Mercurial > hg
annotate mercurial/bundle2.py @ 49541:976648e20856
tests: remove non-python3 line matching and tests block
We don't support Python2 anymore
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Thu, 22 Sep 2022 16:27:17 +0200 |
parents | 290c29df1915 |
children | 9be765b82a90 |
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1 # bundle2.py - generic container format to transmit arbitrary data. |
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2 # |
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3 # Copyright 2013 Facebook, Inc. |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
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6 # GNU General Public License version 2 or any later version. |
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7 """Handling of the new bundle2 format |
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8 |
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9 The goal of bundle2 is to act as an atomically packet to transmit a set of |
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10 payloads in an application agnostic way. It consist in a sequence of "parts" |
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11 that will be handed to and processed by the application layer. |
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12 |
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13 |
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14 General format architecture |
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15 =========================== |
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16 |
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17 The format is architectured as follow |
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18 |
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19 - magic string |
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20 - stream level parameters |
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21 - payload parts (any number) |
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22 - end of stream marker. |
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23 |
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24 the Binary format |
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25 ============================ |
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26 |
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27 All numbers are unsigned and big-endian. |
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28 |
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29 stream level parameters |
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30 ------------------------ |
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31 |
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32 Binary format is as follow |
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33 |
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34 :params size: int32 |
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35 |
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36 The total number of Bytes used by the parameters |
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37 |
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38 :params value: arbitrary number of Bytes |
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39 |
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40 A blob of `params size` containing the serialized version of all stream level |
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41 parameters. |
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42 |
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43 The blob contains a space separated list of parameters. Parameters with value |
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44 are stored in the form `<name>=<value>`. Both name and value are urlquoted. |
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45 |
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46 Empty name are obviously forbidden. |
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47 |
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48 Name MUST start with a letter. If this first letter is lower case, the |
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49 parameter is advisory and can be safely ignored. However when the first |
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50 letter is capital, the parameter is mandatory and the bundling process MUST |
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51 stop if he is not able to proceed it. |
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53 Stream parameters use a simple textual format for two main reasons: |
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54 |
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55 - Stream level parameters should remain simple and we want to discourage any |
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56 crazy usage. |
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57 - Textual data allow easy human inspection of a bundle2 header in case of |
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58 troubles. |
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59 |
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60 Any Applicative level options MUST go into a bundle2 part instead. |
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61 |
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62 Payload part |
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63 ------------------------ |
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64 |
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65 Binary format is as follow |
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66 |
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67 :header size: int32 |
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68 |
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69 The total number of Bytes used by the part header. When the header is empty |
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70 (size = 0) this is interpreted as the end of stream marker. |
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71 |
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72 :header: |
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73 |
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74 The header defines how to interpret the part. It contains two piece of |
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75 data: the part type, and the part parameters. |
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76 |
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77 The part type is used to route an application level handler, that can |
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78 interpret payload. |
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79 |
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80 Part parameters are passed to the application level handler. They are |
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81 meant to convey information that will help the application level object to |
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82 interpret the part payload. |
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83 |
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84 The binary format of the header is has follow |
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85 |
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86 :typesize: (one byte) |
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87 |
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88 :parttype: alphanumerical part name (restricted to [a-zA-Z0-9_:-]*) |
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89 |
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90 :partid: A 32bits integer (unique in the bundle) that can be used to refer |
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91 to this part. |
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92 |
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93 :parameters: |
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94 |
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95 Part's parameter may have arbitrary content, the binary structure is:: |
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96 |
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97 <mandatory-count><advisory-count><param-sizes><param-data> |
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98 |
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99 :mandatory-count: 1 byte, number of mandatory parameters |
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100 |
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101 :advisory-count: 1 byte, number of advisory parameters |
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102 |
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103 :param-sizes: |
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104 |
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105 N couple of bytes, where N is the total number of parameters. Each |
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106 couple contains (<size-of-key>, <size-of-value) for one parameter. |
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107 |
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108 :param-data: |
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109 |
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110 A blob of bytes from which each parameter key and value can be |
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111 retrieved using the list of size couples stored in the previous |
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112 field. |
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113 |
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114 Mandatory parameters comes first, then the advisory ones. |
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115 |
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116 Each parameter's key MUST be unique within the part. |
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117 |
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118 :payload: |
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119 |
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120 payload is a series of `<chunksize><chunkdata>`. |
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121 |
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122 `chunksize` is an int32, `chunkdata` are plain bytes (as much as |
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123 `chunksize` says)` The payload part is concluded by a zero size chunk. |
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124 |
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125 The current implementation always produces either zero or one chunk. |
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126 This is an implementation limitation that will ultimately be lifted. |
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127 |
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128 `chunksize` can be negative to trigger special case processing. No such |
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129 processing is in place yet. |
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130 |
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131 Bundle processing |
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132 ============================ |
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133 |
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134 Each part is processed in order using a "part handler". Handler are registered |
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135 for a certain part type. |
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136 |
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137 The matching of a part to its handler is case insensitive. The case of the |
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138 part type is used to know if a part is mandatory or advisory. If the Part type |
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139 contains any uppercase char it is considered mandatory. When no handler is |
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140 known for a Mandatory part, the process is aborted and an exception is raised. |
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141 If the part is advisory and no handler is known, the part is ignored. When the |
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142 process is aborted, the full bundle is still read from the stream to keep the |
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143 channel usable. But none of the part read from an abort are processed. In the |
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144 future, dropping the stream may become an option for channel we do not care to |
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145 preserve. |
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146 """ |
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147 |
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148 |
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149 import collections |
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150 import errno |
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151 import os |
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152 import re |
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153 import string |
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154 import struct |
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155 import sys |
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156 |
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157 from .i18n import _ |
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158 from .node import ( |
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159 hex, |
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160 short, |
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161 ) |
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162 from . import ( |
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163 bookmarks, |
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164 changegroup, |
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165 encoding, |
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166 error, |
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167 obsolete, |
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168 phases, |
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169 pushkey, |
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170 pycompat, |
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171 requirements, |
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172 scmutil, |
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173 streamclone, |
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174 tags, |
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175 url, |
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176 util, |
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177 ) |
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178 from .utils import ( |
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179 stringutil, |
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180 urlutil, |
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181 ) |
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182 from .interfaces import repository |
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183 |
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184 urlerr = util.urlerr |
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185 urlreq = util.urlreq |
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186 |
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187 _pack = struct.pack |
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188 _unpack = struct.unpack |
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189 |
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190 _fstreamparamsize = b'>i' |
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191 _fpartheadersize = b'>i' |
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192 _fparttypesize = b'>B' |
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193 _fpartid = b'>I' |
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194 _fpayloadsize = b'>i' |
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195 _fpartparamcount = b'>BB' |
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196 |
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197 preferedchunksize = 32768 |
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198 |
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199 _parttypeforbidden = re.compile(b'[^a-zA-Z0-9_:-]') |
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200 |
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201 |
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202 def outdebug(ui, message): |
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203 """debug regarding output stream (bundling)""" |
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204 if ui.configbool(b'devel', b'bundle2.debug'): |
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205 ui.debug(b'bundle2-output: %s\n' % message) |
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206 |
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207 |
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208 def indebug(ui, message): |
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209 """debug on input stream (unbundling)""" |
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210 if ui.configbool(b'devel', b'bundle2.debug'): |
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211 ui.debug(b'bundle2-input: %s\n' % message) |
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212 |
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213 |
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214 def validateparttype(parttype): |
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215 """raise ValueError if a parttype contains invalid character""" |
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216 if _parttypeforbidden.search(parttype): |
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217 raise ValueError(parttype) |
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218 |
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219 |
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220 def _makefpartparamsizes(nbparams): |
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221 """return a struct format to read part parameter sizes |
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222 |
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223 The number parameters is variable so we need to build that format |
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224 dynamically. |
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225 """ |
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226 return b'>' + (b'BB' * nbparams) |
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227 |
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228 |
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229 parthandlermapping = {} |
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230 |
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231 |
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232 def parthandler(parttype, params=()): |
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233 """decorator that register a function as a bundle2 part handler |
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234 |
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235 eg:: |
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236 |
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237 @parthandler('myparttype', ('mandatory', 'param', 'handled')) |
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238 def myparttypehandler(...): |
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239 '''process a part of type "my part".''' |
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240 ... |
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241 """ |
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242 validateparttype(parttype) |
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243 |
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244 def _decorator(func): |
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245 lparttype = parttype.lower() # enforce lower case matching. |
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246 assert lparttype not in parthandlermapping |
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247 parthandlermapping[lparttype] = func |
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248 func.params = frozenset(params) |
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249 return func |
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250 |
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251 return _decorator |
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252 |
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253 |
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254 class unbundlerecords: |
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255 """keep record of what happens during and unbundle |
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256 |
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257 New records are added using `records.add('cat', obj)`. Where 'cat' is a |
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258 category of record and obj is an arbitrary object. |
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259 |
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260 `records['cat']` will return all entries of this category 'cat'. |
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261 |
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262 Iterating on the object itself will yield `('category', obj)` tuples |
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263 for all entries. |
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264 |
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265 All iterations happens in chronological order. |
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266 """ |
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267 |
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268 def __init__(self): |
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269 self._categories = {} |
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270 self._sequences = [] |
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271 self._replies = {} |
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272 |
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273 def add(self, category, entry, inreplyto=None): |
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274 """add a new record of a given category. |
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275 |
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276 The entry can then be retrieved in the list returned by |
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277 self['category'].""" |
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278 self._categories.setdefault(category, []).append(entry) |
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279 self._sequences.append((category, entry)) |
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280 if inreplyto is not None: |
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281 self.getreplies(inreplyto).add(category, entry) |
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282 |
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283 def getreplies(self, partid): |
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284 """get the records that are replies to a specific part""" |
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285 return self._replies.setdefault(partid, unbundlerecords()) |
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286 |
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287 def __getitem__(self, cat): |
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288 return tuple(self._categories.get(cat, ())) |
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289 |
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290 def __iter__(self): |
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291 return iter(self._sequences) |
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292 |
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293 def __len__(self): |
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294 return len(self._sequences) |
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295 |
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296 def __nonzero__(self): |
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297 return bool(self._sequences) |
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298 |
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299 __bool__ = __nonzero__ |
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300 |
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301 |
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302 class bundleoperation: |
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303 """an object that represents a single bundling process |
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304 |
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305 Its purpose is to carry unbundle-related objects and states. |
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306 |
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307 A new object should be created at the beginning of each bundle processing. |
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308 The object is to be returned by the processing function. |
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309 |
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310 The object has very little content now it will ultimately contain: |
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311 * an access to the repo the bundle is applied to, |
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312 * a ui object, |
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313 * a way to retrieve a transaction to add changes to the repo, |
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314 * a way to record the result of processing each part, |
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315 * a way to construct a bundle response when applicable. |
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316 """ |
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317 |
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318 def __init__(self, repo, transactiongetter, captureoutput=True, source=b''): |
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319 self.repo = repo |
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320 self.ui = repo.ui |
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321 self.records = unbundlerecords() |
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322 self.reply = None |
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323 self.captureoutput = captureoutput |
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324 self.hookargs = {} |
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325 self._gettransaction = transactiongetter |
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326 # carries value that can modify part behavior |
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327 self.modes = {} |
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328 self.source = source |
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329 |
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330 def gettransaction(self): |
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331 transaction = self._gettransaction() |
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332 |
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333 if self.hookargs: |
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334 # the ones added to the transaction supercede those added |
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335 # to the operation. |
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336 self.hookargs.update(transaction.hookargs) |
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337 transaction.hookargs = self.hookargs |
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338 |
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339 # mark the hookargs as flushed. further attempts to add to |
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340 # hookargs will result in an abort. |
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341 self.hookargs = None |
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342 |
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343 return transaction |
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344 |
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345 def addhookargs(self, hookargs): |
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346 if self.hookargs is None: |
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347 raise error.ProgrammingError( |
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348 b'attempted to add hookargs to ' |
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349 b'operation after transaction started' |
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350 ) |
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351 self.hookargs.update(hookargs) |
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352 |
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353 |
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354 class TransactionUnavailable(RuntimeError): |
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355 pass |
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356 |
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357 |
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358 def _notransaction(): |
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359 """default method to get a transaction while processing a bundle |
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360 |
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361 Raise an exception to highlight the fact that no transaction was expected |
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362 to be created""" |
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363 raise TransactionUnavailable() |
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364 |
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365 |
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366 def applybundle(repo, unbundler, tr, source, url=None, **kwargs): |
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367 # transform me into unbundler.apply() as soon as the freeze is lifted |
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368 if isinstance(unbundler, unbundle20): |
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369 tr.hookargs[b'bundle2'] = b'1' |
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370 if source is not None and b'source' not in tr.hookargs: |
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371 tr.hookargs[b'source'] = source |
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372 if url is not None and b'url' not in tr.hookargs: |
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373 tr.hookargs[b'url'] = url |
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374 return processbundle(repo, unbundler, lambda: tr, source=source) |
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375 else: |
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376 # the transactiongetter won't be used, but we might as well set it |
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377 op = bundleoperation(repo, lambda: tr, source=source) |
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378 _processchangegroup(op, unbundler, tr, source, url, **kwargs) |
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379 return op |
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380 |
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381 |
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382 class partiterator: |
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383 def __init__(self, repo, op, unbundler): |
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384 self.repo = repo |
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385 self.op = op |
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386 self.unbundler = unbundler |
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387 self.iterator = None |
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388 self.count = 0 |
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389 self.current = None |
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390 |
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391 def __enter__(self): |
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392 def func(): |
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393 itr = enumerate(self.unbundler.iterparts(), 1) |
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394 for count, p in itr: |
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395 self.count = count |
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396 self.current = p |
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397 yield p |
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398 p.consume() |
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399 self.current = None |
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400 |
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401 self.iterator = func() |
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402 return self.iterator |
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403 |
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404 def __exit__(self, type, exc, tb): |
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405 if not self.iterator: |
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406 return |
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407 |
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408 # Only gracefully abort in a normal exception situation. User aborts |
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409 # like Ctrl+C throw a KeyboardInterrupt which is not a base Exception, |
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410 # and should not gracefully cleanup. |
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411 if isinstance(exc, Exception): |
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412 # Any exceptions seeking to the end of the bundle at this point are |
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413 # almost certainly related to the underlying stream being bad. |
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414 # And, chances are that the exception we're handling is related to |
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415 # getting in that bad state. So, we swallow the seeking error and |
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416 # re-raise the original error. |
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417 seekerror = False |
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418 try: |
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419 if self.current: |
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420 # consume the part content to not corrupt the stream. |
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421 self.current.consume() |
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422 |
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423 for part in self.iterator: |
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424 # consume the bundle content |
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425 part.consume() |
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426 except Exception: |
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427 seekerror = True |
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428 |
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429 # Small hack to let caller code distinguish exceptions from bundle2 |
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430 # processing from processing the old format. This is mostly needed |
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431 # to handle different return codes to unbundle according to the type |
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432 # of bundle. We should probably clean up or drop this return code |
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433 # craziness in a future version. |
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434 exc.duringunbundle2 = True |
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435 salvaged = [] |
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436 replycaps = None |
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437 if self.op.reply is not None: |
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438 salvaged = self.op.reply.salvageoutput() |
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439 replycaps = self.op.reply.capabilities |
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440 exc._replycaps = replycaps |
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441 exc._bundle2salvagedoutput = salvaged |
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442 |
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443 # Re-raising from a variable loses the original stack. So only use |
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444 # that form if we need to. |
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445 if seekerror: |
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446 raise exc |
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447 |
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448 self.repo.ui.debug( |
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449 b'bundle2-input-bundle: %i parts total\n' % self.count |
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450 ) |
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451 |
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452 |
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453 def processbundle(repo, unbundler, transactiongetter=None, op=None, source=b''): |
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454 """This function process a bundle, apply effect to/from a repo |
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455 |
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456 It iterates over each part then searches for and uses the proper handling |
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457 code to process the part. Parts are processed in order. |
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458 |
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459 Unknown Mandatory part will abort the process. |
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460 |
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461 It is temporarily possible to provide a prebuilt bundleoperation to the |
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462 function. This is used to ensure output is properly propagated in case of |
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463 an error during the unbundling. This output capturing part will likely be |
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464 reworked and this ability will probably go away in the process. |
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465 """ |
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466 if op is None: |
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467 if transactiongetter is None: |
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468 transactiongetter = _notransaction |
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469 op = bundleoperation(repo, transactiongetter, source=source) |
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470 # todo: |
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471 # - replace this is a init function soon. |
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472 # - exception catching |
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473 unbundler.params |
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474 if repo.ui.debugflag: |
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475 msg = [b'bundle2-input-bundle:'] |
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476 if unbundler.params: |
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477 msg.append(b' %i params' % len(unbundler.params)) |
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478 if op._gettransaction is None or op._gettransaction is _notransaction: |
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479 msg.append(b' no-transaction') |
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480 else: |
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481 msg.append(b' with-transaction') |
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482 msg.append(b'\n') |
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483 repo.ui.debug(b''.join(msg)) |
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484 |
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485 processparts(repo, op, unbundler) |
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486 |
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487 return op |
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488 |
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489 |
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490 def processparts(repo, op, unbundler): |
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491 with partiterator(repo, op, unbundler) as parts: |
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492 for part in parts: |
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493 _processpart(op, part) |
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494 |
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495 |
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496 def _processchangegroup(op, cg, tr, source, url, **kwargs): |
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497 ret = cg.apply(op.repo, tr, source, url, **kwargs) |
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498 op.records.add( |
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499 b'changegroup', |
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500 { |
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501 b'return': ret, |
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502 }, |
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503 ) |
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504 return ret |
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505 |
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506 |
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507 def _gethandler(op, part): |
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508 status = b'unknown' # used by debug output |
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509 try: |
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510 handler = parthandlermapping.get(part.type) |
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511 if handler is None: |
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512 status = b'unsupported-type' |
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513 raise error.BundleUnknownFeatureError(parttype=part.type) |
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514 indebug(op.ui, b'found a handler for part %s' % part.type) |
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515 unknownparams = part.mandatorykeys - handler.params |
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516 if unknownparams: |
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517 unknownparams = list(unknownparams) |
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518 unknownparams.sort() |
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519 status = b'unsupported-params (%s)' % b', '.join(unknownparams) |
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520 raise error.BundleUnknownFeatureError( |
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521 parttype=part.type, params=unknownparams |
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522 ) |
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523 status = b'supported' |
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524 except error.BundleUnknownFeatureError as exc: |
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525 if part.mandatory: # mandatory parts |
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526 raise |
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527 indebug(op.ui, b'ignoring unsupported advisory part %s' % exc) |
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528 return # skip to part processing |
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529 finally: |
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530 if op.ui.debugflag: |
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531 msg = [b'bundle2-input-part: "%s"' % part.type] |
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532 if not part.mandatory: |
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533 msg.append(b' (advisory)') |
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534 nbmp = len(part.mandatorykeys) |
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535 nbap = len(part.params) - nbmp |
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536 if nbmp or nbap: |
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537 msg.append(b' (params:') |
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538 if nbmp: |
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539 msg.append(b' %i mandatory' % nbmp) |
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540 if nbap: |
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541 msg.append(b' %i advisory' % nbmp) |
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542 msg.append(b')') |
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543 msg.append(b' %s\n' % status) |
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544 op.ui.debug(b''.join(msg)) |
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545 |
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546 return handler |
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547 |
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548 |
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549 def _processpart(op, part): |
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550 """process a single part from a bundle |
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551 |
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552 The part is guaranteed to have been fully consumed when the function exits |
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553 (even if an exception is raised).""" |
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554 handler = _gethandler(op, part) |
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555 if handler is None: |
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556 return |
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557 |
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558 # handler is called outside the above try block so that we don't |
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559 # risk catching KeyErrors from anything other than the |
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560 # parthandlermapping lookup (any KeyError raised by handler() |
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561 # itself represents a defect of a different variety). |
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562 output = None |
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563 if op.captureoutput and op.reply is not None: |
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564 op.ui.pushbuffer(error=True, subproc=True) |
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565 output = b'' |
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566 try: |
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567 handler(op, part) |
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568 finally: |
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569 if output is not None: |
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570 output = op.ui.popbuffer() |
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571 if output: |
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572 outpart = op.reply.newpart(b'output', data=output, mandatory=False) |
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573 outpart.addparam( |
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574 b'in-reply-to', pycompat.bytestr(part.id), mandatory=False |
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575 ) |
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576 |
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577 |
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578 def decodecaps(blob): |
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579 """decode a bundle2 caps bytes blob into a dictionary |
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580 |
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581 The blob is a list of capabilities (one per line) |
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582 Capabilities may have values using a line of the form:: |
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583 |
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584 capability=value1,value2,value3 |
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585 |
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586 The values are always a list.""" |
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587 caps = {} |
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588 for line in blob.splitlines(): |
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589 if not line: |
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590 continue |
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591 if b'=' not in line: |
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592 key, vals = line, () |
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593 else: |
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594 key, vals = line.split(b'=', 1) |
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595 vals = vals.split(b',') |
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596 key = urlreq.unquote(key) |
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597 vals = [urlreq.unquote(v) for v in vals] |
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598 caps[key] = vals |
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599 return caps |
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600 |
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601 |
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602 def encodecaps(caps): |
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603 """encode a bundle2 caps dictionary into a bytes blob""" |
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604 chunks = [] |
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605 for ca in sorted(caps): |
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606 vals = caps[ca] |
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607 ca = urlreq.quote(ca) |
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608 vals = [urlreq.quote(v) for v in vals] |
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609 if vals: |
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610 ca = b"%s=%s" % (ca, b','.join(vals)) |
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611 chunks.append(ca) |
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612 return b'\n'.join(chunks) |
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613 |
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614 |
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615 bundletypes = { |
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616 b"": (b"", b'UN'), # only when using unbundle on ssh and old http servers |
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617 # since the unification ssh accepts a header but there |
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618 # is no capability signaling it. |
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619 b"HG20": (), # special-cased below |
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620 b"HG10UN": (b"HG10UN", b'UN'), |
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621 b"HG10BZ": (b"HG10", b'BZ'), |
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622 b"HG10GZ": (b"HG10GZ", b'GZ'), |
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623 } |
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624 |
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625 # hgweb uses this list to communicate its preferred type |
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626 bundlepriority = [b'HG10GZ', b'HG10BZ', b'HG10UN'] |
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627 |
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628 |
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629 class bundle20: |
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630 """represent an outgoing bundle2 container |
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631 |
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632 Use the `addparam` method to add stream level parameter. and `newpart` to |
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633 populate it. Then call `getchunks` to retrieve all the binary chunks of |
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634 data that compose the bundle2 container.""" |
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635 |
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636 _magicstring = b'HG20' |
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|
637 |
21134
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638 def __init__(self, ui, capabilities=()): |
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639 self.ui = ui |
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640 self._params = [] |
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641 self._parts = [] |
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642 self.capabilities = dict(capabilities) |
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643 self._compengine = util.compengines.forbundletype(b'UN') |
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644 self._compopts = None |
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645 # If compression is being handled by a consumer of the raw |
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646 # data (e.g. the wire protocol), unsetting this flag tells |
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647 # consumers that the bundle is best left uncompressed. |
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648 self.prefercompressed = True |
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649 |
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650 def setcompression(self, alg, compopts=None): |
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651 """setup core part compression to <alg>""" |
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652 if alg in (None, b'UN'): |
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653 return |
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654 assert not any(n.lower() == b'compression' for n, v in self._params) |
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655 self.addparam(b'Compression', alg) |
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656 self._compengine = util.compengines.forbundletype(alg) |
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657 self._compopts = compopts |
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658 |
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659 @property |
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660 def nbparts(self): |
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661 """total number of parts added to the bundler""" |
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662 return len(self._parts) |
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663 |
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664 # methods used to defines the bundle2 content |
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665 def addparam(self, name, value=None): |
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666 """add a stream level parameter""" |
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|
667 if not name: |
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668 raise error.ProgrammingError(b'empty parameter name') |
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669 if name[0:1] not in pycompat.bytestr( |
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670 string.ascii_letters # pytype: disable=wrong-arg-types |
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671 ): |
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672 raise error.ProgrammingError( |
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673 b'non letter first character: %s' % name |
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674 ) |
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675 self._params.append((name, value)) |
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676 |
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677 def addpart(self, part): |
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678 """add a new part to the bundle2 container |
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679 |
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680 Parts contains the actual applicative payload.""" |
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681 assert part.id is None |
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682 part.id = len(self._parts) # very cheap counter |
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683 self._parts.append(part) |
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684 |
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685 def newpart(self, typeid, *args, **kwargs): |
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686 """create a new part and add it to the containers |
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687 |
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688 As the part is directly added to the containers. For now, this means |
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689 that any failure to properly initialize the part after calling |
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690 ``newpart`` should result in a failure of the whole bundling process. |
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691 |
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692 You can still fall back to manually create and add if you need better |
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693 control.""" |
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694 part = bundlepart(typeid, *args, **kwargs) |
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695 self.addpart(part) |
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696 return part |
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697 |
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698 # methods used to generate the bundle2 stream |
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699 def getchunks(self): |
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700 if self.ui.debugflag: |
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701 msg = [b'bundle2-output-bundle: "%s",' % self._magicstring] |
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702 if self._params: |
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703 msg.append(b' (%i params)' % len(self._params)) |
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704 msg.append(b' %i parts total\n' % len(self._parts)) |
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705 self.ui.debug(b''.join(msg)) |
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706 outdebug(self.ui, b'start emission of %s stream' % self._magicstring) |
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707 yield self._magicstring |
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708 param = self._paramchunk() |
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709 outdebug(self.ui, b'bundle parameter: %s' % param) |
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710 yield _pack(_fstreamparamsize, len(param)) |
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711 if param: |
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712 yield param |
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713 for chunk in self._compengine.compressstream( |
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714 self._getcorechunk(), self._compopts |
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715 ): |
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716 yield chunk |
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717 |
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718 def _paramchunk(self): |
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719 """return a encoded version of all stream parameters""" |
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720 blocks = [] |
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721 for par, value in self._params: |
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722 par = urlreq.quote(par) |
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|
723 if value is not None: |
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|
724 value = urlreq.quote(value) |
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725 par = b'%s=%s' % (par, value) |
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726 blocks.append(par) |
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727 return b' '.join(blocks) |
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|
728 |
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729 def _getcorechunk(self): |
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730 """yield chunk for the core part of the bundle |
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731 |
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|
732 (all but headers and parameters)""" |
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733 outdebug(self.ui, b'start of parts') |
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|
734 for part in self._parts: |
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735 outdebug(self.ui, b'bundle part: "%s"' % part.type) |
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|
736 for chunk in part.getchunks(ui=self.ui): |
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737 yield chunk |
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738 outdebug(self.ui, b'end of bundle') |
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|
739 yield _pack(_fpartheadersize, 0) |
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|
740 |
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|
741 def salvageoutput(self): |
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742 """return a list with a copy of all output parts in the bundle |
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743 |
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744 This is meant to be used during error handling to make sure we preserve |
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|
745 server output""" |
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|
746 salvaged = [] |
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|
747 for part in self._parts: |
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748 if part.type.startswith(b'output'): |
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|
749 salvaged.append(part.copy()) |
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|
750 return salvaged |
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|
751 |
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|
752 |
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|
753 class unpackermixin: |
21013
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diff
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|
754 """A mixin to extract bytes and struct data from a stream""" |
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755 |
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|
756 def __init__(self, fp): |
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757 self._fp = fp |
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758 |
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|
759 def _unpack(self, format): |
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|
760 """unpack this struct format from the stream |
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|
761 |
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|
762 This method is meant for internal usage by the bundle2 protocol only. |
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763 They directly manipulate the low level stream including bundle2 level |
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|
764 instruction. |
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|
765 |
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|
766 Do not use it to implement higher-level logic or methods.""" |
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767 data = self._readexact(struct.calcsize(format)) |
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768 return _unpack(format, data) |
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769 |
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770 def _readexact(self, size): |
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771 """read exactly <size> bytes from the stream |
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|
772 |
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773 This method is meant for internal usage by the bundle2 protocol only. |
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774 They directly manipulate the low level stream including bundle2 level |
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|
775 instruction. |
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|
776 |
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|
777 Do not use it to implement higher-level logic or methods.""" |
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778 return changegroup.readexactly(self._fp, size) |
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|
779 |
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|
780 |
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|
781 def getunbundler(ui, fp, magicstring=None): |
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|
782 """return a valid unbundler object for a given magicstring""" |
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|
783 if magicstring is None: |
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784 magicstring = changegroup.readexactly(fp, 4) |
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785 magic, version = magicstring[0:2], magicstring[2:4] |
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786 if magic != b'HG': |
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787 ui.debug( |
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788 b"error: invalid magic: %r (version %r), should be 'HG'\n" |
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789 % (magic, version) |
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790 ) |
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791 raise error.Abort(_(b'not a Mercurial bundle')) |
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792 unbundlerclass = formatmap.get(version) |
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793 if unbundlerclass is None: |
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794 raise error.Abort(_(b'unknown bundle version %s') % version) |
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795 unbundler = unbundlerclass(ui, fp) |
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796 indebug(ui, b'start processing of %s stream' % magicstring) |
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797 return unbundler |
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|
798 |
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799 |
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800 class unbundle20(unpackermixin): |
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801 """interpret a bundle2 stream |
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802 |
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803 This class is fed with a binary stream and yields parts through its |
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804 `iterparts` methods.""" |
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805 |
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806 _magicstring = b'HG20' |
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807 |
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808 def __init__(self, ui, fp): |
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809 """If header is specified, we do not read it out of the stream.""" |
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810 self.ui = ui |
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811 self._compengine = util.compengines.forbundletype(b'UN') |
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812 self._compressed = None |
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813 super(unbundle20, self).__init__(fp) |
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814 |
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815 @util.propertycache |
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816 def params(self): |
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817 """dictionary of stream level parameters""" |
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818 indebug(self.ui, b'reading bundle2 stream parameters') |
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819 params = {} |
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820 paramssize = self._unpack(_fstreamparamsize)[0] |
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821 if paramssize < 0: |
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822 raise error.BundleValueError( |
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823 b'negative bundle param size: %i' % paramssize |
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824 ) |
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825 if paramssize: |
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826 params = self._readexact(paramssize) |
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827 params = self._processallparams(params) |
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828 return params |
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829 |
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830 def _processallparams(self, paramsblock): |
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831 """ """ |
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parents:
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|
832 params = util.sortdict() |
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833 for p in paramsblock.split(b' '): |
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834 p = p.split(b'=', 1) |
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835 p = [urlreq.unquote(i) for i in p] |
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836 if len(p) < 2: |
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837 p.append(None) |
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838 self._processparam(*p) |
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839 params[p[0]] = p[1] |
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840 return params |
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841 |
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842 def _processparam(self, name, value): |
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|
843 """process a parameter, applying its effect if needed |
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844 |
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845 Parameter starting with a lower case letter are advisory and will be |
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diff
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|
846 ignored when unknown. Those starting with an upper case letter are |
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|
847 mandatory and will this function will raise a KeyError when unknown. |
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848 |
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849 Note: no option are currently supported. Any input will be either |
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850 ignored or failing. |
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851 """ |
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|
852 if not name: |
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|
853 raise ValueError('empty parameter name') |
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|
854 if name[0:1] not in pycompat.bytestr( |
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|
855 string.ascii_letters # pytype: disable=wrong-arg-types |
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|
856 ): |
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|
857 raise ValueError('non letter first character: %s' % name) |
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|
858 try: |
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|
859 handler = b2streamparamsmap[name.lower()] |
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860 except KeyError: |
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861 if name[0:1].islower(): |
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862 indebug(self.ui, b"ignoring unknown parameter %s" % name) |
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863 else: |
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|
864 raise error.BundleUnknownFeatureError(params=(name,)) |
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865 else: |
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|
866 handler(self, name, value) |
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|
867 |
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|
868 def _forwardchunks(self): |
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869 """utility to transfer a bundle2 as binary |
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|
870 |
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871 This is made necessary by the fact the 'getbundle' command over 'ssh' |
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872 have no way to know then the reply end, relying on the bundle to be |
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|
873 interpreted to know its end. This is terrible and we are sorry, but we |
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|
874 needed to move forward to get general delta enabled. |
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875 """ |
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|
876 yield self._magicstring |
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parents:
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|
877 assert 'params' not in vars(self) |
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|
878 paramssize = self._unpack(_fstreamparamsize)[0] |
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|
879 if paramssize < 0: |
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880 raise error.BundleValueError( |
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881 b'negative bundle param size: %i' % paramssize |
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|
882 ) |
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883 if paramssize: |
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884 params = self._readexact(paramssize) |
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|
885 self._processallparams(params) |
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parents:
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|
886 # The payload itself is decompressed below, so drop |
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diff
changeset
|
887 # the compression parameter passed down to compensate. |
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888 outparams = [] |
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889 for p in params.split(b' '): |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
890 k, v = p.split(b'=', 1) |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
891 if k.lower() != b'compression': |
42143
29569f2db929
bundle2: handle compression in _forwardchunks
Joerg Sonnenberger <joerg@bec.de>
parents:
42057
diff
changeset
|
892 outparams.append(p) |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
893 outparams = b' '.join(outparams) |
42143
29569f2db929
bundle2: handle compression in _forwardchunks
Joerg Sonnenberger <joerg@bec.de>
parents:
42057
diff
changeset
|
894 yield _pack(_fstreamparamsize, len(outparams)) |
29569f2db929
bundle2: handle compression in _forwardchunks
Joerg Sonnenberger <joerg@bec.de>
parents:
42057
diff
changeset
|
895 yield outparams |
29569f2db929
bundle2: handle compression in _forwardchunks
Joerg Sonnenberger <joerg@bec.de>
parents:
42057
diff
changeset
|
896 else: |
29569f2db929
bundle2: handle compression in _forwardchunks
Joerg Sonnenberger <joerg@bec.de>
parents:
42057
diff
changeset
|
897 yield _pack(_fstreamparamsize, paramssize) |
26542
b87e4638dabf
bundle2: add a way to just forward the bundle2 stream to another user
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26541
diff
changeset
|
898 # From there, payload might need to be decompressed |
30353
d045b4091197
bundle2: use compression engines API to obtain decompressor
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30351
diff
changeset
|
899 self._fp = self._compengine.decompressorreader(self._fp) |
26542
b87e4638dabf
bundle2: add a way to just forward the bundle2 stream to another user
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26541
diff
changeset
|
900 emptycount = 0 |
b87e4638dabf
bundle2: add a way to just forward the bundle2 stream to another user
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26541
diff
changeset
|
901 while emptycount < 2: |
b87e4638dabf
bundle2: add a way to just forward the bundle2 stream to another user
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26541
diff
changeset
|
902 # so we can brainlessly loop |
b87e4638dabf
bundle2: add a way to just forward the bundle2 stream to another user
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26541
diff
changeset
|
903 assert _fpartheadersize == _fpayloadsize |
b87e4638dabf
bundle2: add a way to just forward the bundle2 stream to another user
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26541
diff
changeset
|
904 size = self._unpack(_fpartheadersize)[0] |
b87e4638dabf
bundle2: add a way to just forward the bundle2 stream to another user
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26541
diff
changeset
|
905 yield _pack(_fpartheadersize, size) |
b87e4638dabf
bundle2: add a way to just forward the bundle2 stream to another user
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26541
diff
changeset
|
906 if size: |
b87e4638dabf
bundle2: add a way to just forward the bundle2 stream to another user
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26541
diff
changeset
|
907 emptycount = 0 |
b87e4638dabf
bundle2: add a way to just forward the bundle2 stream to another user
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26541
diff
changeset
|
908 else: |
b87e4638dabf
bundle2: add a way to just forward the bundle2 stream to another user
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26541
diff
changeset
|
909 emptycount += 1 |
b87e4638dabf
bundle2: add a way to just forward the bundle2 stream to another user
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26541
diff
changeset
|
910 continue |
b87e4638dabf
bundle2: add a way to just forward the bundle2 stream to another user
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26541
diff
changeset
|
911 if size == flaginterrupt: |
b87e4638dabf
bundle2: add a way to just forward the bundle2 stream to another user
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26541
diff
changeset
|
912 continue |
b87e4638dabf
bundle2: add a way to just forward the bundle2 stream to another user
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26541
diff
changeset
|
913 elif size < 0: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
914 raise error.BundleValueError(b'negative chunk size: %i') |
26542
b87e4638dabf
bundle2: add a way to just forward the bundle2 stream to another user
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26541
diff
changeset
|
915 yield self._readexact(size) |
b87e4638dabf
bundle2: add a way to just forward the bundle2 stream to another user
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26541
diff
changeset
|
916 |
35116
da91e7309daf
bundle2: don't use seekable bundle2 parts by default (issue5691)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35115
diff
changeset
|
917 def iterparts(self, seekable=False): |
20802
520df53ad26a
bundle2: a very first version of bundle2 unbundler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20801
diff
changeset
|
918 """yield all parts contained in the stream""" |
35116
da91e7309daf
bundle2: don't use seekable bundle2 parts by default (issue5691)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35115
diff
changeset
|
919 cls = seekableunbundlepart if seekable else unbundlepart |
20802
520df53ad26a
bundle2: a very first version of bundle2 unbundler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20801
diff
changeset
|
920 # make sure param have been loaded |
520df53ad26a
bundle2: a very first version of bundle2 unbundler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20801
diff
changeset
|
921 self.params |
26404
795f02a24b87
bundle2: allow compressed bundle
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26396
diff
changeset
|
922 # From there, payload need to be decompressed |
30353
d045b4091197
bundle2: use compression engines API to obtain decompressor
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30351
diff
changeset
|
923 self._fp = self._compengine.decompressorreader(self._fp) |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
924 indebug(self.ui, b'start extraction of bundle2 parts') |
21014
a6246bba7b9e
bundle2: add an unbundle part responsible from unbundling part
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21013
diff
changeset
|
925 headerblock = self._readpartheader() |
a6246bba7b9e
bundle2: add an unbundle part responsible from unbundling part
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21013
diff
changeset
|
926 while headerblock is not None: |
35116
da91e7309daf
bundle2: don't use seekable bundle2 parts by default (issue5691)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35115
diff
changeset
|
927 part = cls(self.ui, headerblock, self._fp) |
20802
520df53ad26a
bundle2: a very first version of bundle2 unbundler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20801
diff
changeset
|
928 yield part |
35114
db5038525718
bundle2: implement consume() API on unbundlepart
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35113
diff
changeset
|
929 # Ensure part is fully consumed so we can start reading the next |
db5038525718
bundle2: implement consume() API on unbundlepart
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35113
diff
changeset
|
930 # part. |
db5038525718
bundle2: implement consume() API on unbundlepart
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35113
diff
changeset
|
931 part.consume() |
35115
2b72bc88043f
bundle2: only seek to beginning of part in bundlerepo
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35114
diff
changeset
|
932 |
21014
a6246bba7b9e
bundle2: add an unbundle part responsible from unbundling part
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21013
diff
changeset
|
933 headerblock = self._readpartheader() |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
934 indebug(self.ui, b'end of bundle2 stream') |
20802
520df53ad26a
bundle2: a very first version of bundle2 unbundler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20801
diff
changeset
|
935 |
21014
a6246bba7b9e
bundle2: add an unbundle part responsible from unbundling part
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21013
diff
changeset
|
936 def _readpartheader(self): |
a6246bba7b9e
bundle2: add an unbundle part responsible from unbundling part
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21013
diff
changeset
|
937 """reads a part header size and return the bytes blob |
20864
9a75d2559cff
bundle2: support unbundling empty part
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20856
diff
changeset
|
938 |
21014
a6246bba7b9e
bundle2: add an unbundle part responsible from unbundling part
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21013
diff
changeset
|
939 returns None if empty""" |
20864
9a75d2559cff
bundle2: support unbundling empty part
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20856
diff
changeset
|
940 headersize = self._unpack(_fpartheadersize)[0] |
23011
006a81d07e57
bundle2: detect and disallow a negative chunk size
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23010
diff
changeset
|
941 if headersize < 0: |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
942 raise error.BundleValueError( |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
943 b'negative part header size: %i' % headersize |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
944 ) |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
945 indebug(self.ui, b'part header size: %i' % headersize) |
21014
a6246bba7b9e
bundle2: add an unbundle part responsible from unbundling part
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21013
diff
changeset
|
946 if headersize: |
a6246bba7b9e
bundle2: add an unbundle part responsible from unbundling part
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21013
diff
changeset
|
947 return self._readexact(headersize) |
a6246bba7b9e
bundle2: add an unbundle part responsible from unbundling part
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21013
diff
changeset
|
948 return None |
20864
9a75d2559cff
bundle2: support unbundling empty part
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20856
diff
changeset
|
949 |
24071
184a2f6f40da
bundle2.unbundle20: add compressed() method
Eric Sumner <ericsumner@fb.com>
parents:
24070
diff
changeset
|
950 def compressed(self): |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
951 self.params # load params |
26802
42f705f2c02d
bundle2: make unbundle.compressed return True when compressed
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26795
diff
changeset
|
952 return self._compressed |
20802
520df53ad26a
bundle2: a very first version of bundle2 unbundler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20801
diff
changeset
|
953 |
31863
cd7aaf344d83
bundle2: move the 'close' method off the unpackermixin
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31862
diff
changeset
|
954 def close(self): |
cd7aaf344d83
bundle2: move the 'close' method off the unpackermixin
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31862
diff
changeset
|
955 """close underlying file""" |
43115
4aa72cdf616f
py3: delete b'' prefix from safehasattr arguments
Martin von Zweigbergk <martinvonz@google.com>
parents:
43080
diff
changeset
|
956 if util.safehasattr(self._fp, 'close'): |
31863
cd7aaf344d83
bundle2: move the 'close' method off the unpackermixin
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31862
diff
changeset
|
957 return self._fp.close() |
cd7aaf344d83
bundle2: move the 'close' method off the unpackermixin
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31862
diff
changeset
|
958 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
959 |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
960 formatmap = {b'20': unbundle20} |
24648
5cac3accdaa1
unbundle20: allow generic dispatch between unbundlers
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24642
diff
changeset
|
961 |
26395
4e7b0bf9f0b1
unbundle20: allow registering handlers for stream level parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26393
diff
changeset
|
962 b2streamparamsmap = {} |
4e7b0bf9f0b1
unbundle20: allow registering handlers for stream level parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26393
diff
changeset
|
963 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
964 |
26395
4e7b0bf9f0b1
unbundle20: allow registering handlers for stream level parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26393
diff
changeset
|
965 def b2streamparamhandler(name): |
4e7b0bf9f0b1
unbundle20: allow registering handlers for stream level parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26393
diff
changeset
|
966 """register a handler for a stream level parameter""" |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
967 |
26395
4e7b0bf9f0b1
unbundle20: allow registering handlers for stream level parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26393
diff
changeset
|
968 def decorator(func): |
4e7b0bf9f0b1
unbundle20: allow registering handlers for stream level parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26393
diff
changeset
|
969 assert name not in formatmap |
4e7b0bf9f0b1
unbundle20: allow registering handlers for stream level parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26393
diff
changeset
|
970 b2streamparamsmap[name] = func |
4e7b0bf9f0b1
unbundle20: allow registering handlers for stream level parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26393
diff
changeset
|
971 return func |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
972 |
26395
4e7b0bf9f0b1
unbundle20: allow registering handlers for stream level parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26393
diff
changeset
|
973 return decorator |
4e7b0bf9f0b1
unbundle20: allow registering handlers for stream level parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26393
diff
changeset
|
974 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
975 |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
976 @b2streamparamhandler(b'compression') |
26404
795f02a24b87
bundle2: allow compressed bundle
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26396
diff
changeset
|
977 def processcompression(unbundler, param, value): |
795f02a24b87
bundle2: allow compressed bundle
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26396
diff
changeset
|
978 """read compression parameter and install payload decompression""" |
30353
d045b4091197
bundle2: use compression engines API to obtain decompressor
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30351
diff
changeset
|
979 if value not in util.compengines.supportedbundletypes: |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
980 raise error.BundleUnknownFeatureError(params=(param,), values=(value,)) |
30353
d045b4091197
bundle2: use compression engines API to obtain decompressor
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30351
diff
changeset
|
981 unbundler._compengine = util.compengines.forbundletype(value) |
26802
42f705f2c02d
bundle2: make unbundle.compressed return True when compressed
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26795
diff
changeset
|
982 if value is not None: |
42f705f2c02d
bundle2: make unbundle.compressed return True when compressed
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26795
diff
changeset
|
983 unbundler._compressed = True |
26404
795f02a24b87
bundle2: allow compressed bundle
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26396
diff
changeset
|
984 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
985 |
48946
642e31cb55f0
py3: use class X: instead of class X(object):
Gregory Szorc <gregory.szorc@gmail.com>
parents:
48913
diff
changeset
|
986 class bundlepart: |
20856
8a6a86c9a5b5
bundle2: support bundling of empty part (with a type)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20844
diff
changeset
|
987 """A bundle2 part contains application level payload |
8a6a86c9a5b5
bundle2: support bundling of empty part (with a type)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20844
diff
changeset
|
988 |
8a6a86c9a5b5
bundle2: support bundling of empty part (with a type)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20844
diff
changeset
|
989 The part `type` is used to route the part to the application level |
8a6a86c9a5b5
bundle2: support bundling of empty part (with a type)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20844
diff
changeset
|
990 handler. |
21604
c399bf961cb9
bundle2: the ability to set ``data`` attribute of the part is now official
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21603
diff
changeset
|
991 |
c399bf961cb9
bundle2: the ability to set ``data`` attribute of the part is now official
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21603
diff
changeset
|
992 The part payload is contained in ``part.data``. It could be raw bytes or a |
21605
f9dabfceb259
bundle2: introduce a ``addparam`` method on part
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21604
diff
changeset
|
993 generator of byte chunks. |
f9dabfceb259
bundle2: introduce a ``addparam`` method on part
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21604
diff
changeset
|
994 |
f9dabfceb259
bundle2: introduce a ``addparam`` method on part
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21604
diff
changeset
|
995 You can add parameters to the part using the ``addparam`` method. |
f9dabfceb259
bundle2: introduce a ``addparam`` method on part
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996 Parameters can be either mandatory (default) or advisory. Remote side |
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997 should be able to safely ignore the advisory ones. |
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998 |
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999 Both data and parameters cannot be modified after the generation has begun. |
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1000 """ |
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1001 |
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1002 def __init__( |
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1003 self, |
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1004 parttype, |
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1005 mandatoryparams=(), |
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1006 advisoryparams=(), |
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1007 data=b'', |
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1008 mandatory=True, |
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1009 ): |
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1010 validateparttype(parttype) |
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1011 self.id = None |
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1012 self.type = parttype |
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1013 self._data = data |
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1014 self._mandatoryparams = list(mandatoryparams) |
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1015 self._advisoryparams = list(advisoryparams) |
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1016 # checking for duplicated entries |
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1017 self._seenparams = set() |
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1018 for pname, __ in self._mandatoryparams + self._advisoryparams: |
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1019 if pname in self._seenparams: |
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1020 raise error.ProgrammingError(b'duplicated params: %s' % pname) |
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1021 self._seenparams.add(pname) |
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1022 # status of the part's generation: |
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1023 # - None: not started, |
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1024 # - False: currently generated, |
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1025 # - True: generation done. |
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1026 self._generated = None |
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1027 self.mandatory = mandatory |
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1028 |
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1029 def __repr__(self): |
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1030 cls = "%s.%s" % (self.__class__.__module__, self.__class__.__name__) |
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1031 return '<%s object at %x; id: %s; type: %s; mandatory: %s>' % ( |
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1032 cls, |
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1033 id(self), |
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1034 self.id, |
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1035 self.type, |
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1036 self.mandatory, |
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1037 ) |
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1038 |
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1039 def copy(self): |
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1040 """return a copy of the part |
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1041 |
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1042 The new part have the very same content but no partid assigned yet. |
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1043 Parts with generated data cannot be copied.""" |
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1044 assert not util.safehasattr(self.data, 'next') |
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1045 return self.__class__( |
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1046 self.type, |
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1047 self._mandatoryparams, |
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1048 self._advisoryparams, |
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1049 self._data, |
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1050 self.mandatory, |
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1051 ) |
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1052 |
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1053 # methods used to defines the part content |
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1054 @property |
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1055 def data(self): |
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1056 return self._data |
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1057 |
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1058 @data.setter |
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1059 def data(self, data): |
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1060 if self._generated is not None: |
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1061 raise error.ReadOnlyPartError(b'part is being generated') |
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1062 self._data = data |
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1063 |
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1064 @property |
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1065 def mandatoryparams(self): |
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1066 # make it an immutable tuple to force people through ``addparam`` |
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1067 return tuple(self._mandatoryparams) |
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1068 |
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1069 @property |
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1070 def advisoryparams(self): |
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1071 # make it an immutable tuple to force people through ``addparam`` |
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1072 return tuple(self._advisoryparams) |
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1073 |
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1074 def addparam(self, name, value=b'', mandatory=True): |
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1075 """add a parameter to the part |
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1076 |
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1077 If 'mandatory' is set to True, the remote handler must claim support |
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1078 for this parameter or the unbundling will be aborted. |
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1079 |
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1080 The 'name' and 'value' cannot exceed 255 bytes each. |
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1081 """ |
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1082 if self._generated is not None: |
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1083 raise error.ReadOnlyPartError(b'part is being generated') |
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1084 if name in self._seenparams: |
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1085 raise ValueError(b'duplicated params: %s' % name) |
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1086 self._seenparams.add(name) |
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1087 params = self._advisoryparams |
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1088 if mandatory: |
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1089 params = self._mandatoryparams |
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1090 params.append((name, value)) |
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1091 |
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1092 # methods used to generates the bundle2 stream |
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1093 def getchunks(self, ui): |
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1094 if self._generated is not None: |
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1095 raise error.ProgrammingError(b'part can only be consumed once') |
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1096 self._generated = False |
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1097 |
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1098 if ui.debugflag: |
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1099 msg = [b'bundle2-output-part: "%s"' % self.type] |
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1100 if not self.mandatory: |
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1101 msg.append(b' (advisory)') |
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1102 nbmp = len(self.mandatoryparams) |
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1103 nbap = len(self.advisoryparams) |
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1104 if nbmp or nbap: |
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1105 msg.append(b' (params:') |
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1106 if nbmp: |
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1107 msg.append(b' %i mandatory' % nbmp) |
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1108 if nbap: |
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1109 msg.append(b' %i advisory' % nbmp) |
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1110 msg.append(b')') |
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1111 if not self.data: |
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|
1112 msg.append(b' empty payload') |
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Martin von Zweigbergk <martinvonz@google.com>
parents:
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|
1113 elif util.safehasattr(self.data, 'next') or util.safehasattr( |
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1114 self.data, b'__next__' |
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1115 ): |
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1116 msg.append(b' streamed payload') |
25323
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1117 else: |
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1118 msg.append(b' %i bytes payload' % len(self.data)) |
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1119 msg.append(b'\n') |
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|
1120 ui.debug(b''.join(msg)) |
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|
1121 |
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|
1122 #### header |
23590
4440c7cc3728
bundle2.bundlepart: make mandatory part flag explicit in API
Eric Sumner <ericsumner@fb.com>
parents:
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diff
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|
1123 if self.mandatory: |
4440c7cc3728
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Eric Sumner <ericsumner@fb.com>
parents:
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|
1124 parttype = self.type.upper() |
4440c7cc3728
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Eric Sumner <ericsumner@fb.com>
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|
1125 else: |
4440c7cc3728
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|
1126 parttype = self.type.lower() |
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|
1127 outdebug(ui, b'part %s: "%s"' % (pycompat.bytestr(self.id), parttype)) |
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|
1128 ## parttype |
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1129 header = [ |
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1130 _pack(_fparttypesize, len(parttype)), |
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|
1131 parttype, |
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1132 _pack(_fpartid, self.id), |
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|
1133 ] |
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|
1134 ## parameters |
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1135 # count |
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1136 manpar = self.mandatoryparams |
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1137 advpar = self.advisoryparams |
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|
1138 header.append(_pack(_fpartparamcount, len(manpar), len(advpar))) |
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|
1139 # size |
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1140 parsizes = [] |
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|
1141 for key, value in manpar: |
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1142 parsizes.append(len(key)) |
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|
1143 parsizes.append(len(value)) |
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|
1144 for key, value in advpar: |
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1145 parsizes.append(len(key)) |
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|
1146 parsizes.append(len(value)) |
33672
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bundle2: use modern Python division
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parents:
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diff
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|
1147 paramsizes = _pack(_makefpartparamsizes(len(parsizes) // 2), *parsizes) |
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1148 header.append(paramsizes) |
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1149 # key, value |
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1150 for key, value in manpar: |
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1151 header.append(key) |
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|
1152 header.append(value) |
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1153 for key, value in advpar: |
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1154 header.append(key) |
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|
1155 header.append(value) |
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1156 ## finalize header |
34249
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1157 try: |
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1158 headerchunk = b''.join(header) |
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|
1159 except TypeError: |
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1160 raise TypeError( |
43506
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cleanup: remove pointless r-prefixes on single-quoted strings
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diff
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|
1161 'Found a non-bytes trying to ' |
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1162 'build bundle part header: %r' % header |
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1163 ) |
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1164 outdebug(ui, b'header chunk size: %i' % len(headerchunk)) |
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|
1165 yield _pack(_fpartheadersize, len(headerchunk)) |
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|
1166 yield headerchunk |
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1167 ## payload |
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1168 try: |
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1169 for chunk in self._payloadchunks(): |
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1170 outdebug(ui, b'payload chunk size: %i' % len(chunk)) |
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|
1171 yield _pack(_fpayloadsize, len(chunk)) |
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|
1172 yield chunk |
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|
1173 except GeneratorExit: |
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|
1174 # GeneratorExit means that nobody is listening for our |
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|
1175 # results anyway, so just bail quickly rather than trying |
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|
1176 # to produce an error part. |
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1177 ui.debug(b'bundle2-generatorexit\n') |
26144
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|
1178 raise |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25641
diff
changeset
|
1179 except BaseException as exc: |
37084
f0b6fbea00cf
stringutil: bulk-replace call sites to point to new module
Yuya Nishihara <yuya@tcha.org>
parents:
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|
1180 bexc = stringutil.forcebytestr(exc) |
23067
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1181 # backup exception data for later |
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|
1182 ui.debug( |
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1183 b'bundle2-input-stream-interrupt: encoding exception %s' % bexc |
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|
1184 ) |
32186
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|
1185 tb = sys.exc_info()[2] |
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1186 msg = b'unexpected error: %s' % bexc |
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|
1187 interpart = bundlepart( |
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|
1188 b'error:abort', [(b'message', msg)], mandatory=False |
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|
1189 ) |
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1190 interpart.id = 0 |
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|
1191 yield _pack(_fpayloadsize, -1) |
25321
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|
1192 for chunk in interpart.getchunks(ui=ui): |
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|
1193 yield chunk |
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1194 outdebug(ui, b'closing payload chunk') |
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|
1195 # abort current part payload |
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|
1196 yield _pack(_fpayloadsize, 0) |
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|
1197 pycompat.raisewithtb(exc, tb) |
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|
1198 # end of payload |
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1199 outdebug(ui, b'closing payload chunk') |
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|
1200 yield _pack(_fpayloadsize, 0) |
21601
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21600
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|
1201 self._generated = True |
21000
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|
1202 |
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|
1203 def _payloadchunks(self): |
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|
1204 """yield chunks of a the part payload |
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1205 |
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|
1206 Exists to handle the different methods to provide data to a part.""" |
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|
1207 # we only support fixed size data now. |
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|
1208 # This will be improved in the future. |
43115
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Martin von Zweigbergk <martinvonz@google.com>
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changeset
|
1209 if util.safehasattr(self.data, 'next') or util.safehasattr( |
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|
1210 self.data, b'__next__' |
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|
1211 ): |
21001
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|
1212 buff = util.chunkbuffer(self.data) |
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|
1213 chunk = buff.read(preferedchunksize) |
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|
1214 while chunk: |
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1215 yield chunk |
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1216 chunk = buff.read(preferedchunksize) |
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1217 elif len(self.data): |
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diff
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1218 yield self.data |
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1219 |
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1220 |
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1221 flaginterrupt = -1 |
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1222 |
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1223 |
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1224 class interrupthandler(unpackermixin): |
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1225 """read one part and process it with restricted capability |
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1226 |
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1227 This allows to transmit exception raised on the producer size during part |
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1228 iteration while the consumer is reading a part. |
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1229 |
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1230 Part processed in this manner only have access to a ui object,""" |
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1231 |
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1232 def __init__(self, ui, fp): |
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1233 super(interrupthandler, self).__init__(fp) |
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1234 self.ui = ui |
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1235 |
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1236 def _readpartheader(self): |
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1237 """reads a part header size and return the bytes blob |
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1238 |
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1239 returns None if empty""" |
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1240 headersize = self._unpack(_fpartheadersize)[0] |
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1241 if headersize < 0: |
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1242 raise error.BundleValueError( |
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1243 b'negative part header size: %i' % headersize |
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1244 ) |
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1245 indebug(self.ui, b'part header size: %i\n' % headersize) |
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1246 if headersize: |
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1247 return self._readexact(headersize) |
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1248 return None |
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1249 |
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1250 def __call__(self): |
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1251 |
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1252 self.ui.debug( |
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1253 b'bundle2-input-stream-interrupt: opening out of band context\n' |
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1254 ) |
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1255 indebug(self.ui, b'bundle2 stream interruption, looking for a part.') |
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1256 headerblock = self._readpartheader() |
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1257 if headerblock is None: |
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1258 indebug(self.ui, b'no part found during interruption.') |
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1259 return |
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1260 part = unbundlepart(self.ui, headerblock, self._fp) |
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1261 op = interruptoperation(self.ui) |
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|
1262 hardabort = False |
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1263 try: |
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1264 _processpart(op, part) |
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1265 except (SystemExit, KeyboardInterrupt): |
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1266 hardabort = True |
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1267 raise |
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1268 finally: |
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1269 if not hardabort: |
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1270 part.consume() |
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1271 self.ui.debug( |
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1272 b'bundle2-input-stream-interrupt: closing out of band context\n' |
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1273 ) |
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1274 |
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1275 |
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1276 class interruptoperation: |
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1277 """A limited operation to be use by part handler during interruption |
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1278 |
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1279 It only have access to an ui object. |
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1280 """ |
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1281 |
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1282 def __init__(self, ui): |
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1283 self.ui = ui |
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1284 self.reply = None |
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1285 self.captureoutput = False |
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1286 |
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|
1287 @property |
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1288 def repo(self): |
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1289 raise error.ProgrammingError(b'no repo access from stream interruption') |
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1290 |
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1291 def gettransaction(self): |
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1292 raise TransactionUnavailable(b'no repo access from stream interruption') |
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1293 |
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1294 |
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1295 def decodepayloadchunks(ui, fh): |
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1296 """Reads bundle2 part payload data into chunks. |
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1297 |
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1298 Part payload data consists of framed chunks. This function takes |
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1299 a file handle and emits those chunks. |
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1300 """ |
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1301 dolog = ui.configbool(b'devel', b'bundle2.debug') |
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1302 debug = ui.debug |
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1303 |
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1304 headerstruct = struct.Struct(_fpayloadsize) |
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1305 headersize = headerstruct.size |
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1306 unpack = headerstruct.unpack |
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1307 |
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1308 readexactly = changegroup.readexactly |
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1309 read = fh.read |
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1310 |
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1311 chunksize = unpack(readexactly(fh, headersize))[0] |
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1312 indebug(ui, b'payload chunk size: %i' % chunksize) |
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1313 |
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1314 # changegroup.readexactly() is inlined below for performance. |
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1315 while chunksize: |
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1316 if chunksize >= 0: |
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1317 s = read(chunksize) |
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1318 if len(s) < chunksize: |
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1319 raise error.Abort( |
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1320 _( |
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1321 b'stream ended unexpectedly ' |
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1322 b' (got %d bytes, expected %d)' |
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1323 ) |
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1324 % (len(s), chunksize) |
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1325 ) |
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1326 |
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1327 yield s |
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1328 elif chunksize == flaginterrupt: |
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1329 # Interrupt "signal" detected. The regular stream is interrupted |
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1330 # and a bundle2 part follows. Consume it. |
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1331 interrupthandler(ui, fh)() |
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1332 else: |
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1333 raise error.BundleValueError( |
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1334 b'negative payload chunk size: %s' % chunksize |
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1335 ) |
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1336 |
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1337 s = read(headersize) |
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1338 if len(s) < headersize: |
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1339 raise error.Abort( |
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1340 _(b'stream ended unexpectedly (got %d bytes, expected %d)') |
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1341 % (len(s), chunksize) |
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1342 ) |
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1343 |
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1344 chunksize = unpack(s)[0] |
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1345 |
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|
1346 # indebug() inlined for performance. |
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1347 if dolog: |
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1348 debug(b'bundle2-input: payload chunk size: %i\n' % chunksize) |
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1349 |
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1350 |
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1351 class unbundlepart(unpackermixin): |
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1352 """a bundle part read from a bundle""" |
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1353 |
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1354 def __init__(self, ui, header, fp): |
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1355 super(unbundlepart, self).__init__(fp) |
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1356 self._seekable = util.safehasattr(fp, 'seek') and util.safehasattr( |
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1357 fp, b'tell' |
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1358 ) |
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1359 self.ui = ui |
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1360 # unbundle state attr |
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1361 self._headerdata = header |
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1362 self._headeroffset = 0 |
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1363 self._initialized = False |
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1364 self.consumed = False |
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1365 # part data |
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1366 self.id = None |
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1367 self.type = None |
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1368 self.mandatoryparams = None |
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1369 self.advisoryparams = None |
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1370 self.params = None |
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1371 self.mandatorykeys = () |
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1372 self._readheader() |
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1373 self._mandatory = None |
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1374 self._pos = 0 |
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1375 |
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1376 def _fromheader(self, size): |
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1377 """return the next <size> byte from the header""" |
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1378 offset = self._headeroffset |
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1379 data = self._headerdata[offset : (offset + size)] |
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1380 self._headeroffset = offset + size |
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1381 return data |
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1382 |
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1383 def _unpackheader(self, format): |
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1384 """read given format from header |
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1385 |
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1386 This automatically compute the size of the format to read.""" |
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1387 data = self._fromheader(struct.calcsize(format)) |
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1388 return _unpack(format, data) |
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1389 |
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1390 def _initparams(self, mandatoryparams, advisoryparams): |
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1391 """internal function to setup all logic related parameters""" |
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1392 # make it read only to prevent people touching it by mistake. |
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1393 self.mandatoryparams = tuple(mandatoryparams) |
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1394 self.advisoryparams = tuple(advisoryparams) |
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1395 # user friendly UI |
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1396 self.params = util.sortdict(self.mandatoryparams) |
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1397 self.params.update(self.advisoryparams) |
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1398 self.mandatorykeys = frozenset(p[0] for p in mandatoryparams) |
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1399 |
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1400 def _readheader(self): |
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1401 """read the header and setup the object""" |
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1402 typesize = self._unpackheader(_fparttypesize)[0] |
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1403 self.type = self._fromheader(typesize) |
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1404 indebug(self.ui, b'part type: "%s"' % self.type) |
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1405 self.id = self._unpackheader(_fpartid)[0] |
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1406 indebug(self.ui, b'part id: "%s"' % pycompat.bytestr(self.id)) |
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1407 # extract mandatory bit from type |
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1408 self.mandatory = self.type != self.type.lower() |
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1409 self.type = self.type.lower() |
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1410 ## reading parameters |
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1411 # param count |
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1412 mancount, advcount = self._unpackheader(_fpartparamcount) |
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1413 indebug(self.ui, b'part parameters: %i' % (mancount + advcount)) |
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1414 # param size |
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1415 fparamsizes = _makefpartparamsizes(mancount + advcount) |
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1416 paramsizes = self._unpackheader(fparamsizes) |
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1417 # make it a list of couple again |
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1418 paramsizes = list(zip(paramsizes[::2], paramsizes[1::2])) |
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1419 # split mandatory from advisory |
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1420 mansizes = paramsizes[:mancount] |
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1421 advsizes = paramsizes[mancount:] |
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1422 # retrieve param value |
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1423 manparams = [] |
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1424 for key, value in mansizes: |
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1425 manparams.append((self._fromheader(key), self._fromheader(value))) |
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1426 advparams = [] |
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1427 for key, value in advsizes: |
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1428 advparams.append((self._fromheader(key), self._fromheader(value))) |
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1429 self._initparams(manparams, advparams) |
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1430 ## part payload |
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1431 self._payloadstream = util.chunkbuffer(self._payloadchunks()) |
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1432 # we read the data, tell it |
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1433 self._initialized = True |
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1434 |
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|
1435 def _payloadchunks(self): |
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1436 """Generator of decoded chunks in the payload.""" |
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|
1437 return decodepayloadchunks(self.ui, self._fp) |
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1438 |
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1439 def consume(self): |
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1440 """Read the part payload until completion. |
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1441 |
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1442 By consuming the part data, the underlying stream read offset will |
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1443 be advanced to the next part (or end of stream). |
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1444 """ |
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1445 if self.consumed: |
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1446 return |
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1447 |
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1448 chunk = self.read(32768) |
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1449 while chunk: |
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1450 self._pos += len(chunk) |
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1451 chunk = self.read(32768) |
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1452 |
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1453 def read(self, size=None): |
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1454 """read payload data""" |
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1455 if not self._initialized: |
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1456 self._readheader() |
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1457 if size is None: |
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1458 data = self._payloadstream.read() |
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1459 else: |
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1460 data = self._payloadstream.read(size) |
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1461 self._pos += len(data) |
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1462 if size is None or len(data) < size: |
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1463 if not self.consumed and self._pos: |
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1464 self.ui.debug( |
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1465 b'bundle2-input-part: total payload size %i\n' % self._pos |
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|
1466 ) |
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1467 self.consumed = True |
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1468 return data |
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|
1469 |
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1470 |
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1471 class seekableunbundlepart(unbundlepart): |
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1472 """A bundle2 part in a bundle that is seekable. |
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1473 |
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1474 Regular ``unbundlepart`` instances can only be read once. This class |
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1475 extends ``unbundlepart`` to enable bi-directional seeking within the |
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1476 part. |
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1477 |
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1478 Bundle2 part data consists of framed chunks. Offsets when seeking |
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1479 refer to the decoded data, not the offsets in the underlying bundle2 |
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1480 stream. |
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1481 |
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1482 To facilitate quickly seeking within the decoded data, instances of this |
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1483 class maintain a mapping between offsets in the underlying stream and |
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1484 the decoded payload. This mapping will consume memory in proportion |
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1485 to the number of chunks within the payload (which almost certainly |
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1486 increases in proportion with the size of the part). |
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1487 """ |
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1488 |
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1489 def __init__(self, ui, header, fp): |
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1490 # (payload, file) offsets for chunk starts. |
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1491 self._chunkindex = [] |
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1492 |
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1493 super(seekableunbundlepart, self).__init__(ui, header, fp) |
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1494 |
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1495 def _payloadchunks(self, chunknum=0): |
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1496 '''seek to specified chunk and start yielding data''' |
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1497 if len(self._chunkindex) == 0: |
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1498 assert chunknum == 0, b'Must start with chunk 0' |
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1499 self._chunkindex.append((0, self._tellfp())) |
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1500 else: |
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|
1501 assert chunknum < len(self._chunkindex), ( |
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1502 b'Unknown chunk %d' % chunknum |
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1503 ) |
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1504 self._seekfp(self._chunkindex[chunknum][1]) |
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1505 |
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|
1506 pos = self._chunkindex[chunknum][0] |
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1507 |
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1508 for chunk in decodepayloadchunks(self.ui, self._fp): |
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1509 chunknum += 1 |
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1510 pos += len(chunk) |
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|
1511 if chunknum == len(self._chunkindex): |
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1512 self._chunkindex.append((pos, self._tellfp())) |
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|
1513 |
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1514 yield chunk |
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1515 |
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1516 def _findchunk(self, pos): |
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1517 '''for a given payload position, return a chunk number and offset''' |
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1518 for chunk, (ppos, fpos) in enumerate(self._chunkindex): |
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1519 if ppos == pos: |
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1520 return chunk, 0 |
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1521 elif ppos > pos: |
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1522 return chunk - 1, pos - self._chunkindex[chunk - 1][0] |
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1523 raise ValueError(b'Unknown chunk') |
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1524 |
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1525 def tell(self): |
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|
1526 return self._pos |
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1527 |
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|
1528 def seek(self, offset, whence=os.SEEK_SET): |
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1529 if whence == os.SEEK_SET: |
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1530 newpos = offset |
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1531 elif whence == os.SEEK_CUR: |
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|
1532 newpos = self._pos + offset |
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1533 elif whence == os.SEEK_END: |
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1534 if not self.consumed: |
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1535 # Can't use self.consume() here because it advances self._pos. |
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1536 chunk = self.read(32768) |
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|
1537 while chunk: |
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|
1538 chunk = self.read(32768) |
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1539 newpos = self._chunkindex[-1][0] - offset |
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1540 else: |
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1541 raise ValueError(b'Unknown whence value: %r' % (whence,)) |
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1542 |
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1543 if newpos > self._chunkindex[-1][0] and not self.consumed: |
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1544 # Can't use self.consume() here because it advances self._pos. |
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1545 chunk = self.read(32768) |
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1546 while chunk: |
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|
1547 chunk = self.read(32668) |
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1548 |
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|
1549 if not 0 <= newpos <= self._chunkindex[-1][0]: |
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1550 raise ValueError(b'Offset out of range') |
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1551 |
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|
1552 if self._pos != newpos: |
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|
1553 chunk, internaloffset = self._findchunk(newpos) |
f0b498cfc5c8
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Eric Sumner <ericsumner@fb.com>
parents:
24036
diff
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|
1554 self._payloadstream = util.chunkbuffer(self._payloadchunks(chunk)) |
f0b498cfc5c8
bundle2.unbundlepart: implement seek()
Eric Sumner <ericsumner@fb.com>
parents:
24036
diff
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|
1555 adjust = self.read(internaloffset) |
f0b498cfc5c8
bundle2.unbundlepart: implement seek()
Eric Sumner <ericsumner@fb.com>
parents:
24036
diff
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|
1556 if len(adjust) != internaloffset: |
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diff
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|
1557 raise error.Abort(_(b'Seek failed\n')) |
24037
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Eric Sumner <ericsumner@fb.com>
parents:
24036
diff
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|
1558 self._pos = newpos |
f0b498cfc5c8
bundle2.unbundlepart: implement seek()
Eric Sumner <ericsumner@fb.com>
parents:
24036
diff
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|
1559 |
31889
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bundle2: move 'seek' and 'tell' methods off the unpackermixin class
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
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31863
diff
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|
1560 def _seekfp(self, offset, whence=0): |
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bundle2: move 'seek' and 'tell' methods off the unpackermixin class
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diff
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|
1561 """move the underlying file pointer |
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
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diff
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|
1562 |
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diff
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|
1563 This method is meant for internal usage by the bundle2 protocol only. |
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|
1564 They directly manipulate the low level stream including bundle2 level |
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diff
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|
1565 instruction. |
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parents:
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diff
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|
1566 |
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diff
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|
1567 Do not use it to implement higher-level logic or methods.""" |
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diff
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|
1568 if self._seekable: |
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|
1569 return self._fp.seek(offset, whence) |
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diff
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|
1570 else: |
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|
1571 raise NotImplementedError(_(b'File pointer is not seekable')) |
31889
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diff
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|
1572 |
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|
1573 def _tellfp(self): |
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|
1574 """return the file offset, or None if file is not seekable |
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|
1575 |
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|
1576 This method is meant for internal usage by the bundle2 protocol only. |
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|
1577 They directly manipulate the low level stream including bundle2 level |
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|
1578 instruction. |
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|
1579 |
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|
1580 Do not use it to implement higher-level logic or methods.""" |
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|
1581 if self._seekable: |
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|
1582 try: |
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|
1583 return self._fp.tell() |
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1584 except IOError as e: |
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|
1585 if e.errno == errno.ESPIPE: |
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|
1586 self._seekable = False |
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|
1587 else: |
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|
1588 raise |
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|
1589 return None |
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|
1590 |
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|
1591 |
25317
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parents:
25315
diff
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|
1592 # These are only the static capabilities. |
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|
1593 # Check the 'getrepocaps' function for the rest. |
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1594 capabilities = { |
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1595 b'HG20': (), |
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|
1596 b'bookmarks': (), |
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|
1597 b'error': (b'abort', b'unsupportedcontent', b'pushraced', b'pushkey'), |
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|
1598 b'listkeys': (), |
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|
1599 b'pushkey': (), |
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|
1600 b'digests': tuple(sorted(util.DIGESTS.keys())), |
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|
1601 b'remote-changegroup': (b'http', b'https'), |
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|
1602 b'hgtagsfnodes': (), |
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|
1603 b'phases': (b'heads',), |
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|
1604 b'stream': (b'v2',), |
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|
1605 } |
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|
1606 |
22341
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22340
diff
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|
1607 |
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|
1608 def getrepocaps(repo, allowpushback=False, role=None): |
22342
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|
1609 """return the bundle2 capabilities for a given repo |
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|
1610 |
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|
1611 Exists to allow extensions (like evolution) to mutate the capabilities. |
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|
1612 |
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|
1613 The returned value is used for servers advertising their capabilities as |
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|
1614 well as clients advertising their capabilities to servers as part of |
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|
1615 bundle2 requests. The ``role`` argument specifies which is which. |
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|
1616 """ |
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|
1617 if role not in (b'client', b'server'): |
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|
1618 raise error.ProgrammingError(b'role argument must be client or server') |
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|
1619 |
22343
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|
1620 caps = capabilities.copy() |
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1621 caps[b'changegroup'] = tuple( |
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1622 sorted(changegroup.supportedincomingversions(repo)) |
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|
1623 ) |
22953
b1d694d3975e
obsolete: add exchange option
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parents:
22661
diff
changeset
|
1624 if obsolete.isenabled(repo, obsolete.exchangeopt): |
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|
1625 supportedformat = tuple(b'V%i' % v for v in obsolete.formats) |
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|
1626 caps[b'obsmarkers'] = supportedformat |
23439
743736fc7c41
bundle2-push: provide transaction to reply unbundler
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parents:
23438
diff
changeset
|
1627 if allowpushback: |
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|
1628 caps[b'pushback'] = () |
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|
1629 cpmode = repo.ui.config(b'server', b'concurrent-push-mode') |
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|
1630 if cpmode == b'check-related': |
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|
1631 caps[b'checkheads'] = (b'related',) |
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|
1632 if b'phases' in repo.ui.configlist(b'devel', b'legacy.exchange'): |
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|
1633 caps.pop(b'phases') |
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|
1634 |
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|
1635 # Don't advertise stream clone support in server mode if not configured. |
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1636 if role == b'server': |
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|
1637 streamsupported = repo.ui.configbool( |
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|
1638 b'server', b'uncompressed', untrusted=True |
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|
1639 ) |
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|
1640 featuresupported = repo.ui.configbool(b'server', b'bundle2.stream') |
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|
1641 |
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|
1642 if not streamsupported or not featuresupported: |
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|
1643 caps.pop(b'stream') |
35792
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|
1644 # Else always advertise support on client, because payload support |
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|
1645 # should always be advertised. |
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|
1646 |
46633
7015b0232c5e
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diff
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|
1647 # b'rev-branch-cache is no longer advertised, but still supported |
7015b0232c5e
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|
1648 # for legacy clients. |
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|
1649 |
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|
1650 return caps |
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|
1651 |
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|
1652 |
21644
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21628
diff
changeset
|
1653 def bundle2caps(remote): |
23139
e53f6b72a0e4
spelling: fixes from proofreading of spell checker issues
Mads Kiilerich <madski@unity3d.com>
parents:
23067
diff
changeset
|
1654 """return the bundle capabilities of a peer as dict""" |
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|
1655 raw = remote.capable(b'bundle2') |
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|
1656 if not raw and raw != b'': |
21644
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diff
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1657 return {} |
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|
1658 capsblob = urlreq.unquote(remote.capable(b'bundle2')) |
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17755dd8c509
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|
1659 return decodecaps(capsblob) |
21014
a6246bba7b9e
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|
1660 |
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1661 |
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parents:
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diff
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|
1662 def obsmarkersversion(caps): |
45942
89a2afe31e82
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Augie Fackler <raf@durin42.com>
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|
1663 """extract the list of supported obsmarkers versions from a bundle2caps dict""" |
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1664 obscaps = caps.get(b'obsmarkers', ()) |
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1665 return [int(c[1:]) for c in obscaps if c.startswith(b'V')] |
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1666 |
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1667 |
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|
1668 def writenewbundle( |
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|
1669 ui, |
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|
1670 repo, |
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|
1671 source, |
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|
1672 filename, |
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|
1673 bundletype, |
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|
1674 outgoing, |
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|
1675 opts, |
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|
1676 vfs=None, |
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|
1677 compression=None, |
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|
1678 compopts=None, |
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1679 ): |
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1680 if bundletype.startswith(b'HG10'): |
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|
1681 cg = changegroup.makechangegroup(repo, outgoing, b'01', source) |
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|
1682 return writebundle( |
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|
1683 ui, |
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|
1684 cg, |
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|
1685 filename, |
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|
1686 bundletype, |
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|
1687 vfs=vfs, |
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|
1688 compression=compression, |
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|
1689 compopts=compopts, |
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|
1690 ) |
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1691 elif not bundletype.startswith(b'HG20'): |
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|
1692 raise error.ProgrammingError(b'unknown bundle type: %s' % bundletype) |
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parents:
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|
1693 |
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Pierre-Yves David <pierre-yves.david@octobus.net>
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diff
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|
1694 caps = {} |
49336
290c29df1915
bundlespec: check the `obsolescence` value before adding the caps
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
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diff
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|
1695 if opts.get(b'obsolescence', False): |
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|
1696 caps[b'obsmarkers'] = (b'V1',) |
32516
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parents:
32515
diff
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|
1697 bundle = bundle20(ui, caps) |
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|
1698 bundle.setcompression(compression, compopts) |
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|
1699 _addpartsfromopts(ui, repo, bundle, source, outgoing, opts) |
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diff
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|
1700 chunkiter = bundle.getchunks() |
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|
1701 |
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|
1702 return changegroup.writechunks(ui, chunkiter, filename, vfs=vfs) |
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1703 |
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1704 |
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|
1705 def _addpartsfromopts(ui, repo, bundler, source, outgoing, opts): |
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1706 # We should eventually reconcile this logic with the one behind |
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1707 # 'exchange.getbundle2partsgenerator'. |
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1708 # |
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1709 # The type of input from 'getbundle' and 'writenewbundle' are a bit |
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1710 # different right now. So we keep them separated for now for the sake of |
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1711 # simplicity. |
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1712 |
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|
1713 # we might not always want a changegroup in such bundle, for example in |
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1714 # stream bundles |
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1715 if opts.get(b'changegroup', True): |
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1716 cgversion = opts.get(b'cg.version') |
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|
1717 if cgversion is None: |
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|
1718 cgversion = changegroup.safeversion(repo) |
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1719 cg = changegroup.makechangegroup(repo, outgoing, cgversion, source) |
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1720 part = bundler.newpart(b'changegroup', data=cg.getchunks()) |
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1721 part.addparam(b'version', cg.version) |
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1722 if b'clcount' in cg.extras: |
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1723 part.addparam( |
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|
1724 b'nbchanges', b'%d' % cg.extras[b'clcount'], mandatory=False |
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1725 ) |
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|
1726 if opts.get(b'phases') and repo.revs( |
45144
c93dd9d9f1e6
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parents:
45117
diff
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|
1727 b'%ln and secret()', outgoing.ancestorsof |
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1728 ): |
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|
1729 part.addparam( |
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|
1730 b'targetphase', b'%d' % phases.secret, mandatory=False |
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1731 ) |
47226
19d4802cb304
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diff
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|
1732 if repository.REPO_FEATURE_SIDE_DATA in repo.features: |
19d4802cb304
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|
1733 part.addparam(b'exp-sidedata', b'1') |
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1734 |
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|
1735 if opts.get(b'streamv2', False): |
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Boris Feld <boris.feld@octobus.net>
parents:
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|
1736 addpartbundlestream2(bundler, repo, stream=True) |
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|
1737 |
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|
1738 if opts.get(b'tagsfnodescache', True): |
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|
1739 addparttagsfnodescache(repo, bundler, outgoing) |
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|
1740 |
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|
1741 if opts.get(b'revbranchcache', True): |
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|
1742 addpartrevbranchcache(repo, bundler, outgoing) |
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|
1743 |
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1744 if opts.get(b'obsolescence', False): |
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|
1745 obsmarkers = repo.obsstore.relevantmarkers(outgoing.missing) |
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|
1746 buildobsmarkerspart( |
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|
1747 bundler, |
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|
1748 obsmarkers, |
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|
1749 mandatory=opts.get(b'obsolescence-mandatory', True), |
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1750 ) |
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1751 |
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|
1752 if opts.get(b'phases', False): |
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Martin von Zweigbergk <martinvonz@google.com>
parents:
33030
diff
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|
1753 headsbyphase = phases.subsetphaseheads(repo, outgoing.missing) |
34319
5779d096a696
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diff
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|
1754 phasedata = phases.binaryencode(headsbyphase) |
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|
1755 bundler.newpart(b'phase-heads', data=phasedata) |
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1756 |
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1757 |
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|
1758 def addparttagsfnodescache(repo, bundler, outgoing): |
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|
1759 # we include the tags fnode cache for the bundle changeset |
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|
1760 # (as an optional parts) |
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|
1761 cache = tags.hgtagsfnodescache(repo.unfiltered()) |
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|
1762 chunks = [] |
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|
1763 |
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|
1764 # .hgtags fnodes are only relevant for head changesets. While we could |
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|
1765 # transfer values for all known nodes, there will likely be little to |
6068712cbf03
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1766 # no benefit. |
6068712cbf03
bundle2: move tagsfnodecache generation in a generic function
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diff
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|
1767 # |
6068712cbf03
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|
1768 # We don't bother using a generator to produce output data because |
6068712cbf03
bundle2: move tagsfnodecache generation in a generic function
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parents:
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|
1769 # a) we only have 40 bytes per head and even esoteric numbers of heads |
6068712cbf03
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|
1770 # consume little memory (1M heads is 40MB) b) we don't want to send the |
6068712cbf03
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|
1771 # part if we don't have entries and knowing if we have entries requires |
6068712cbf03
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|
1772 # cache lookups. |
45144
c93dd9d9f1e6
discovery: change users of `outgoing.missingheads` to `outgoing.ancestorsof`
Manuel Jacob <me@manueljacob.de>
parents:
45117
diff
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|
1773 for node in outgoing.ancestorsof: |
32222
6068712cbf03
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|
1774 # Don't compute missing, as this may slow down serving. |
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|
1775 fnode = cache.getfnode(node, computemissing=False) |
46495
5aac1a1a5beb
tagcache: distinguish between invalid and missing entries
Matt Harbison <matt_harbison@yahoo.com>
parents:
46409
diff
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|
1776 if fnode: |
32222
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parents:
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|
1777 chunks.extend([node, fnode]) |
6068712cbf03
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parents:
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|
1778 |
6068712cbf03
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|
1779 if chunks: |
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|
1780 bundler.newpart(b'hgtagsfnodes', data=b''.join(chunks)) |
32222
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|
1781 |
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|
1782 |
36964
79b73be4dda5
rev-branch-cache: add a function to generate a part
Boris Feld <boris.feld@octobus.net>
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|
1783 def addpartrevbranchcache(repo, bundler, outgoing): |
79b73be4dda5
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parents:
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|
1784 # we include the rev branch cache for the bundle changeset |
79b73be4dda5
rev-branch-cache: add a function to generate a part
Boris Feld <boris.feld@octobus.net>
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|
1785 # (as an optional parts) |
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|
1786 cache = repo.revbranchcache() |
79b73be4dda5
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|
1787 cl = repo.unfiltered().changelog |
79b73be4dda5
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Boris Feld <boris.feld@octobus.net>
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|
1788 branchesdata = collections.defaultdict(lambda: (set(), set())) |
79b73be4dda5
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Boris Feld <boris.feld@octobus.net>
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|
1789 for node in outgoing.missing: |
79b73be4dda5
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|
1790 branch, close = cache.branchinfo(cl.rev(node)) |
79b73be4dda5
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|
1791 branchesdata[branch][close].add(node) |
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Boris Feld <boris.feld@octobus.net>
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|
1792 |
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Boris Feld <boris.feld@octobus.net>
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|
1793 def generate(): |
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|
1794 for branch, (nodes, closed) in sorted(branchesdata.items()): |
79b73be4dda5
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parents:
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|
1795 utf8branch = encoding.fromlocal(branch) |
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parents:
36963
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|
1796 yield rbcstruct.pack(len(utf8branch), len(nodes), len(closed)) |
79b73be4dda5
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|
1797 yield utf8branch |
79b73be4dda5
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|
1798 for n in sorted(nodes): |
79b73be4dda5
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Boris Feld <boris.feld@octobus.net>
parents:
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|
1799 yield n |
79b73be4dda5
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Boris Feld <boris.feld@octobus.net>
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|
1800 for n in sorted(closed): |
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Boris Feld <boris.feld@octobus.net>
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|
1801 yield n |
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|
1802 |
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|
1803 bundler.newpart(b'cache:rev-branch-cache', data=generate(), mandatory=False) |
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|
1804 |
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1805 |
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|
1806 def _formatrequirementsspec(requirements): |
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|
1807 requirements = [req for req in requirements if req != b"shared"] |
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1808 return urlreq.quote(b','.join(sorted(requirements))) |
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1809 |
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1810 |
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|
1811 def _formatrequirementsparams(requirements): |
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1812 requirements = _formatrequirementsspec(requirements) |
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1813 params = b"%s%s" % (urlreq.quote(b"requirements="), requirements) |
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1814 return params |
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1815 |
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1816 |
46713
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|
1817 def format_remote_wanted_sidedata(repo): |
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diff
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|
1818 """Formats a repo's wanted sidedata categories into a bytestring for |
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|
1819 capabilities exchange.""" |
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|
1820 wanted = b"" |
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|
1821 if repo._wanted_sidedata: |
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|
1822 wanted = b','.join( |
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|
1823 pycompat.bytestr(c) for c in sorted(repo._wanted_sidedata) |
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|
1824 ) |
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|
1825 return wanted |
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|
1826 |
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|
1827 |
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Raphaël Gomès <rgomes@octobus.net>
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|
1828 def read_remote_wanted_sidedata(remote): |
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|
1829 sidedata_categories = remote.capable(b'exp-wanted-sidedata') |
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|
1830 return read_wanted_sidedata(sidedata_categories) |
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|
1831 |
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|
1832 |
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|
1833 def read_wanted_sidedata(formatted): |
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|
1834 if formatted: |
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|
1835 return set(formatted.split(b',')) |
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|
1836 return set() |
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|
1837 |
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|
1838 |
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|
1839 def addpartbundlestream2(bundler, repo, **kwargs): |
43506
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Augie Fackler <augie@google.com>
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|
1840 if not kwargs.get('stream', False): |
37167
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|
1841 return |
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|
1842 |
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|
1843 if not streamclone.allowservergeneration(repo): |
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|
1844 raise error.Abort( |
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|
1845 _( |
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1846 b'stream data requested but server does not allow ' |
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1847 b'this feature' |
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|
1848 ), |
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|
1849 hint=_( |
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1850 b'well-behaved clients should not be ' |
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1851 b'requesting stream data from servers not ' |
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1852 b'advertising it; the client may be buggy' |
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|
1853 ), |
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|
1854 ) |
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|
1855 |
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|
1856 # Stream clones don't compress well. And compression undermines a |
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|
1857 # goal of stream clones, which is to be fast. Communicate the desire |
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|
1858 # to avoid compression to consumers of the bundle. |
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|
1859 bundler.prefercompressed = False |
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|
1860 |
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|
1861 # get the includes and excludes |
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|
1862 includepats = kwargs.get('includepats') |
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|
1863 excludepats = kwargs.get('excludepats') |
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|
1864 |
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1865 narrowstream = repo.ui.configbool( |
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|
1866 b'experimental', b'server.stream-narrow-clones' |
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1867 ) |
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1868 |
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|
1869 if (includepats or excludepats) and not narrowstream: |
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|
1870 raise error.Abort(_(b'server does not support narrow stream clones')) |
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|
1871 |
40398
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Anton Shestakov <av6@dwimlabs.net>
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40372
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changeset
|
1872 includeobsmarkers = False |
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1873 if repo.obsstore: |
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1874 remoteversions = obsmarkersversion(bundler.capabilities) |
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1875 if not remoteversions: |
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1876 raise error.Abort( |
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1877 _( |
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1878 b'server has obsolescence markers, but client ' |
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1879 b'cannot receive them via stream clone' |
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1880 ) |
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1881 ) |
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1882 elif repo.obsstore._version in remoteversions: |
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1883 includeobsmarkers = True |
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1884 |
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1885 filecount, bytecount, it = streamclone.generatev2( |
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1886 repo, includepats, excludepats, includeobsmarkers |
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1887 ) |
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1888 requirements = streamclone.streamed_requirements(repo) |
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1889 requirements = _formatrequirementsspec(requirements) |
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1890 part = bundler.newpart(b'stream2', data=it) |
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1891 part.addparam(b'bytecount', b'%d' % bytecount, mandatory=True) |
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1892 part.addparam(b'filecount', b'%d' % filecount, mandatory=True) |
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1893 part.addparam(b'requirements', requirements, mandatory=True) |
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1894 |
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1895 |
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1896 def buildobsmarkerspart(bundler, markers, mandatory=True): |
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1897 """add an obsmarker part to the bundler with <markers> |
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1898 |
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1899 No part is created if markers is empty. |
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1900 Raises ValueError if the bundler doesn't support any known obsmarker format. |
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1901 """ |
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1902 if not markers: |
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1903 return None |
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1904 |
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1905 remoteversions = obsmarkersversion(bundler.capabilities) |
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1906 version = obsolete.commonversion(remoteversions) |
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1907 if version is None: |
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1908 raise ValueError(b'bundler does not support common obsmarker format') |
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1909 stream = obsolete.encodemarkers(markers, True, version=version) |
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1910 return bundler.newpart(b'obsmarkers', data=stream, mandatory=mandatory) |
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1911 |
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1912 |
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1913 def writebundle( |
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1914 ui, cg, filename, bundletype, vfs=None, compression=None, compopts=None |
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1915 ): |
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1916 """Write a bundle file and return its filename. |
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1917 |
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1918 Existing files will not be overwritten. |
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1919 If no filename is specified, a temporary file is created. |
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1920 bz2 compression can be turned off. |
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1921 The bundle file will be deleted in case of errors. |
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1922 """ |
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1923 |
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1924 if bundletype == b"HG20": |
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1925 bundle = bundle20(ui) |
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1926 bundle.setcompression(compression, compopts) |
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1927 part = bundle.newpart(b'changegroup', data=cg.getchunks()) |
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1928 part.addparam(b'version', cg.version) |
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1929 if b'clcount' in cg.extras: |
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1930 part.addparam( |
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1931 b'nbchanges', b'%d' % cg.extras[b'clcount'], mandatory=False |
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1932 ) |
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1933 chunkiter = bundle.getchunks() |
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1934 else: |
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1935 # compression argument is only for the bundle2 case |
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1936 assert compression is None |
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1937 if cg.version != b'01': |
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1938 raise error.Abort( |
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1939 _(b'old bundle types only supports v1 changegroups') |
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1940 ) |
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1941 header, comp = bundletypes[bundletype] |
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1942 if comp not in util.compengines.supportedbundletypes: |
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1943 raise error.Abort(_(b'unknown stream compression type: %s') % comp) |
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1944 compengine = util.compengines.forbundletype(comp) |
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1945 |
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1946 def chunkiter(): |
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1947 yield header |
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1948 for chunk in compengine.compressstream(cg.getchunks(), compopts): |
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1949 yield chunk |
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1950 |
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1951 chunkiter = chunkiter() |
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1952 |
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1953 # parse the changegroup data, otherwise we will block |
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1954 # in case of sshrepo because we don't know the end of the stream |
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1955 return changegroup.writechunks(ui, chunkiter, filename, vfs=vfs) |
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1956 |
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1957 |
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1958 def combinechangegroupresults(op): |
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1959 """logic to combine 0 or more addchangegroup results into one""" |
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1960 results = [r.get(b'return', 0) for r in op.records[b'changegroup']] |
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1961 changedheads = 0 |
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1962 result = 1 |
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1963 for ret in results: |
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1964 # If any changegroup result is 0, return 0 |
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1965 if ret == 0: |
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1966 result = 0 |
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1967 break |
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1968 if ret < -1: |
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1969 changedheads += ret + 1 |
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1970 elif ret > 1: |
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1971 changedheads += ret - 1 |
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1972 if changedheads > 0: |
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1973 result = 1 + changedheads |
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1974 elif changedheads < 0: |
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1975 result = -1 + changedheads |
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1976 return result |
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1977 |
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1978 |
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1979 @parthandler( |
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1980 b'changegroup', |
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|
1981 ( |
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1982 b'version', |
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1983 b'nbchanges', |
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1984 b'exp-sidedata', |
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1985 b'exp-wanted-sidedata', |
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1986 b'treemanifest', |
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1987 b'targetphase', |
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1988 ), |
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1989 ) |
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1990 def handlechangegroup(op, inpart): |
46166
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1991 """apply a changegroup part on the repo""" |
39700
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1992 from . import localrepo |
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1993 |
32930
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changegroup: let callers pass in transaction to apply() (API)
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1994 tr = op.gettransaction() |
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1995 unpackerversion = inpart.params.get(b'version', b'01') |
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1996 # We should raise an appropriate exception here |
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1997 cg = changegroup.getunbundler(unpackerversion, inpart, None) |
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1998 # the source and url passed here are overwritten by the one contained in |
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1999 # the transaction.hookargs argument. So 'bundle2' is a placeholder |
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2000 nbchangesets = None |
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2001 if b'nbchanges' in inpart.params: |
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2002 nbchangesets = int(inpart.params.get(b'nbchanges')) |
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2003 if b'treemanifest' in inpart.params and not scmutil.istreemanifest(op.repo): |
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2004 if len(op.repo.changelog) != 0: |
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2005 raise error.Abort( |
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2006 _( |
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2007 b"bundle contains tree manifests, but local repo is " |
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2008 b"non-empty and does not use tree manifests" |
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2009 ) |
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2010 ) |
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|
2011 op.repo.requirements.add(requirements.TREEMANIFEST_REQUIREMENT) |
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2012 op.repo.svfs.options = localrepo.resolvestorevfsoptions( |
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2013 op.repo.ui, op.repo.requirements, op.repo.features |
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2014 ) |
45106
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2015 scmutil.writereporequirements(op.repo) |
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2016 |
33407
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2017 extrakwargs = {} |
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2018 targetphase = inpart.params.get(b'targetphase') |
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2019 if targetphase is not None: |
43506
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2020 extrakwargs['targetphase'] = int(targetphase) |
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2021 |
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2022 remote_sidedata = inpart.params.get(b'exp-wanted-sidedata') |
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2023 extrakwargs['sidedata_categories'] = read_wanted_sidedata(remote_sidedata) |
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2024 |
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2025 ret = _processchangegroup( |
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2026 op, |
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2027 cg, |
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|
2028 tr, |
46519
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2029 op.source, |
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2030 b'bundle2', |
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|
2031 expectedtotal=nbchangesets, |
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|
2032 **extrakwargs |
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|
2033 ) |
20998
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|
2034 if op.reply is not None: |
23139
e53f6b72a0e4
spelling: fixes from proofreading of spell checker issues
Mads Kiilerich <madski@unity3d.com>
parents:
23067
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|
2035 # This is definitely not the final form of this |
20998
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|
2036 # return. But one need to start somewhere. |
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|
2037 part = op.reply.newpart(b'reply:changegroup', mandatory=False) |
33675
24b7c75c6441
bundle2: use bytestr() instead of str() to convert part id to bytes
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diff
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|
2038 part.addparam( |
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|
2039 b'in-reply-to', pycompat.bytestr(inpart.id), mandatory=False |
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|
2040 ) |
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|
2041 part.addparam(b'return', b'%i' % ret, mandatory=False) |
21019
3dc09f831a2e
bundle2: lazy unbundle of part payload
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21016
diff
changeset
|
2042 assert not inpart.read() |
20950
c7ceae0faf69
bundle2: first crude version of bundling changeset with bundle2
Pierre-Yves David <pierre-yves.david@fb.com>
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|
2043 |
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|
2044 |
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|
2045 _remotechangegroupparams = tuple( |
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|
2046 [b'url', b'size', b'digests'] |
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|
2047 + [b'digest:%s' % k for k in util.DIGESTS.keys()] |
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|
2048 ) |
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|
2049 |
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|
2050 |
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changeset
|
2051 @parthandler(b'remote-changegroup', _remotechangegroupparams) |
23029
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Mike Hommey <mh@glandium.org>
parents:
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|
2052 def handleremotechangegroup(op, inpart): |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
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|
2053 """apply a bundle10 on the repo, given an url and validation information |
149fc8a44184
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Mike Hommey <mh@glandium.org>
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diff
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|
2054 |
149fc8a44184
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|
2055 All the information about the remote bundle to import are given as |
149fc8a44184
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|
2056 parameters. The parameters include: |
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parents:
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diff
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|
2057 - url: the url to the bundle10. |
149fc8a44184
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parents:
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diff
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|
2058 - size: the bundle10 file size. It is used to validate what was |
149fc8a44184
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parents:
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|
2059 retrieved by the client matches the server knowledge about the bundle. |
149fc8a44184
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|
2060 - digests: a space separated list of the digest types provided as |
149fc8a44184
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parents:
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|
2061 parameters. |
149fc8a44184
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Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
2062 - digest:<digest-type>: the hexadecimal representation of the digest with |
149fc8a44184
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Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
2063 that name. Like the size, it is used to validate what was retrieved by |
149fc8a44184
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Mike Hommey <mh@glandium.org>
parents:
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|
2064 the client matches what the server knows about the bundle. |
149fc8a44184
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|
2065 |
149fc8a44184
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changeset
|
2066 When multiple digest types are given, all of them are checked. |
149fc8a44184
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|
2067 """ |
149fc8a44184
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parents:
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diff
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|
2068 try: |
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|
2069 raw_url = inpart.params[b'url'] |
23029
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|
2070 except KeyError: |
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changeset
|
2071 raise error.Abort(_(b'remote-changegroup: missing "%s" param') % b'url') |
46907
ffd3e823a7e5
urlutil: extract `url` related code from `util` into the new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
46780
diff
changeset
|
2072 parsed_url = urlutil.url(raw_url) |
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changeset
|
2073 if parsed_url.scheme not in capabilities[b'remote-changegroup']: |
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|
2074 raise error.Abort( |
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|
2075 _(b'remote-changegroup does not support %s urls') |
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|
2076 % parsed_url.scheme |
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|
2077 ) |
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parents:
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|
2078 |
149fc8a44184
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parents:
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changeset
|
2079 try: |
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|
2080 size = int(inpart.params[b'size']) |
23029
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parents:
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|
2081 except ValueError: |
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|
2082 raise error.Abort( |
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|
2083 _(b'remote-changegroup: invalid value for param "%s"') % b'size' |
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|
2084 ) |
23029
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changeset
|
2085 except KeyError: |
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|
2086 raise error.Abort( |
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|
2087 _(b'remote-changegroup: missing "%s" param') % b'size' |
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|
2088 ) |
23029
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parents:
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changeset
|
2089 |
149fc8a44184
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changeset
|
2090 digests = {} |
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|
2091 for typ in inpart.params.get(b'digests', b'').split(): |
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diff
changeset
|
2092 param = b'digest:%s' % typ |
23029
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
2093 try: |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
2094 value = inpart.params[param] |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
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diff
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|
2095 except KeyError: |
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|
2096 raise error.Abort( |
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diff
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|
2097 _(b'remote-changegroup: missing "%s" param') % param |
43076
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diff
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|
2098 ) |
23029
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
2099 digests[typ] = value |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
2100 |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
2101 real_part = util.digestchecker(url.open(op.ui, raw_url), size, digests) |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
2102 |
32930
af31d531dda0
changegroup: let callers pass in transaction to apply() (API)
Martin von Zweigbergk <martinvonz@google.com>
parents:
32892
diff
changeset
|
2103 tr = op.gettransaction() |
25919
8221fefaea08
bundle2: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25660
diff
changeset
|
2104 from . import exchange |
43076
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diff
changeset
|
2105 |
23029
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
2106 cg = exchange.readbundle(op.repo.ui, real_part, raw_url) |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
2107 if not isinstance(cg, changegroup.cg1unpacker): |
43076
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|
2108 raise error.Abort( |
46907
ffd3e823a7e5
urlutil: extract `url` related code from `util` into the new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
46780
diff
changeset
|
2109 _(b'%s: not a bundle version 1.0') % urlutil.hidepassword(raw_url) |
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|
2110 ) |
46519
83ac7c91e172
bundle2: pass the operation source down to the changegroup
Raphaël Gomès <rgomes@octobus.net>
parents:
46495
diff
changeset
|
2111 ret = _processchangegroup(op, cg, tr, op.source, b'bundle2') |
23029
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
2112 if op.reply is not None: |
23139
e53f6b72a0e4
spelling: fixes from proofreading of spell checker issues
Mads Kiilerich <madski@unity3d.com>
parents:
23067
diff
changeset
|
2113 # This is definitely not the final form of this |
23029
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
2114 # return. But one need to start somewhere. |
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parents:
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diff
changeset
|
2115 part = op.reply.newpart(b'reply:changegroup') |
33675
24b7c75c6441
bundle2: use bytestr() instead of str() to convert part id to bytes
Augie Fackler <augie@google.com>
parents:
33674
diff
changeset
|
2116 part.addparam( |
43077
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parents:
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diff
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|
2117 b'in-reply-to', pycompat.bytestr(inpart.id), mandatory=False |
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parents:
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|
2118 ) |
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diff
changeset
|
2119 part.addparam(b'return', b'%i' % ret, mandatory=False) |
23029
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
2120 try: |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
2121 real_part.validate() |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26565
diff
changeset
|
2122 except error.Abort as e: |
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|
2123 raise error.Abort( |
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parents:
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diff
changeset
|
2124 _(b'bundle at %s is corrupted:\n%s') |
46907
ffd3e823a7e5
urlutil: extract `url` related code from `util` into the new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
46780
diff
changeset
|
2125 % (urlutil.hidepassword(raw_url), e.message) |
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Augie Fackler <augie@google.com>
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diff
changeset
|
2126 ) |
23029
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
2127 assert not inpart.read() |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
2128 |
43076
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|
2129 |
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
2130 @parthandler(b'reply:changegroup', (b'return', b'in-reply-to')) |
22548
8a1ae133770a
bundle2: rename functions that have the same name
Mike Hommey <mh@glandium.org>
parents:
22390
diff
changeset
|
2131 def handlereplychangegroup(op, inpart): |
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|
2132 ret = int(inpart.params[b'return']) |
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diff
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|
2133 replyto = int(inpart.params[b'in-reply-to']) |
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parents:
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|
2134 op.records.add(b'changegroup', {b'return': ret}, replyto) |
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|
2135 |
687b865b95ad
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changeset
|
2136 |
687b865b95ad
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parents:
43076
diff
changeset
|
2137 @parthandler(b'check:bookmarks') |
35258
dbf868623daf
bookmark: add a 'check:bookmarks' bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
changeset
|
2138 def handlecheckbookmarks(op, inpart): |
dbf868623daf
bookmark: add a 'check:bookmarks' bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
changeset
|
2139 """check location of bookmarks |
dbf868623daf
bookmark: add a 'check:bookmarks' bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
changeset
|
2140 |
dbf868623daf
bookmark: add a 'check:bookmarks' bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
changeset
|
2141 This part is to be used to detect push race regarding bookmark, it |
dbf868623daf
bookmark: add a 'check:bookmarks' bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
changeset
|
2142 contains binary encoded (bookmark, node) tuple. If the local state does |
dbf868623daf
bookmark: add a 'check:bookmarks' bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
changeset
|
2143 not marks the one in the part, a PushRaced exception is raised |
dbf868623daf
bookmark: add a 'check:bookmarks' bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
changeset
|
2144 """ |
46780
6266d19556ad
node: introduce nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents:
46713
diff
changeset
|
2145 bookdata = bookmarks.binarydecode(op.repo, inpart) |
35258
dbf868623daf
bookmark: add a 'check:bookmarks' bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
changeset
|
2146 |
43076
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changeset
|
2147 msgstandard = ( |
43077
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2148 b'remote repository changed while pushing - please try again ' |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2149 b'(bookmark "%s" move from %s to %s)' |
43076
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Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
2150 ) |
2372284d9457
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Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
2151 msgmissing = ( |
43077
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2152 b'remote repository changed while pushing - please try again ' |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2153 b'(bookmark "%s" is missing, expected %s)' |
43076
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parents:
42931
diff
changeset
|
2154 ) |
2372284d9457
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Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
2155 msgexist = ( |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2156 b'remote repository changed while pushing - please try again ' |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2157 b'(bookmark "%s" set on %s, expected missing)' |
43076
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Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
2158 ) |
35258
dbf868623daf
bookmark: add a 'check:bookmarks' bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
changeset
|
2159 for book, node in bookdata: |
dbf868623daf
bookmark: add a 'check:bookmarks' bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
changeset
|
2160 currentnode = op.repo._bookmarks.get(book) |
dbf868623daf
bookmark: add a 'check:bookmarks' bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
changeset
|
2161 if currentnode != node: |
dbf868623daf
bookmark: add a 'check:bookmarks' bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
changeset
|
2162 if node is None: |
46113
59fa3890d40a
node: import symbols explicitly
Joerg Sonnenberger <joerg@bec.de>
parents:
45942
diff
changeset
|
2163 finalmsg = msgexist % (book, short(currentnode)) |
35258
dbf868623daf
bookmark: add a 'check:bookmarks' bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
changeset
|
2164 elif currentnode is None: |
46113
59fa3890d40a
node: import symbols explicitly
Joerg Sonnenberger <joerg@bec.de>
parents:
45942
diff
changeset
|
2165 finalmsg = msgmissing % (book, short(node)) |
35258
dbf868623daf
bookmark: add a 'check:bookmarks' bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
changeset
|
2166 else: |
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diff
changeset
|
2167 finalmsg = msgstandard % ( |
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Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
2168 book, |
46113
59fa3890d40a
node: import symbols explicitly
Joerg Sonnenberger <joerg@bec.de>
parents:
45942
diff
changeset
|
2169 short(node), |
59fa3890d40a
node: import symbols explicitly
Joerg Sonnenberger <joerg@bec.de>
parents:
45942
diff
changeset
|
2170 short(currentnode), |
43076
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Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
2171 ) |
35258
dbf868623daf
bookmark: add a 'check:bookmarks' bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
changeset
|
2172 raise error.PushRaced(finalmsg) |
dbf868623daf
bookmark: add a 'check:bookmarks' bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
changeset
|
2173 |
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Augie Fackler <augie@google.com>
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changeset
|
2174 |
43077
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parents:
43076
diff
changeset
|
2175 @parthandler(b'check:heads') |
22548
8a1ae133770a
bundle2: rename functions that have the same name
Mike Hommey <mh@glandium.org>
parents:
22390
diff
changeset
|
2176 def handlecheckheads(op, inpart): |
21060
0bea9db7543b
bundle2: add a "check:heads" handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
changeset
|
2177 """check that head of the repo did not change |
0bea9db7543b
bundle2: add a "check:heads" handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
changeset
|
2178 |
0bea9db7543b
bundle2: add a "check:heads" handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
changeset
|
2179 This is used to detect a push race when using unbundle. |
0bea9db7543b
bundle2: add a "check:heads" handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
changeset
|
2180 This replaces the "heads" argument of unbundle.""" |
0bea9db7543b
bundle2: add a "check:heads" handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
changeset
|
2181 h = inpart.read(20) |
0bea9db7543b
bundle2: add a "check:heads" handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
changeset
|
2182 heads = [] |
0bea9db7543b
bundle2: add a "check:heads" handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
changeset
|
2183 while len(h) == 20: |
0bea9db7543b
bundle2: add a "check:heads" handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
changeset
|
2184 heads.append(h) |
0bea9db7543b
bundle2: add a "check:heads" handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
changeset
|
2185 h = inpart.read(20) |
0bea9db7543b
bundle2: add a "check:heads" handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
changeset
|
2186 assert not h |
26565
ee1bcb9aa6e4
bundle2: add op.gettransaction() to handlers that need the lock
Durham Goode <durham@fb.com>
parents:
26542
diff
changeset
|
2187 # Trigger a transaction so that we are guaranteed to have the lock now. |
43077
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43076
diff
changeset
|
2188 if op.ui.configbool(b'experimental', b'bundle2lazylocking'): |
26565
ee1bcb9aa6e4
bundle2: add op.gettransaction() to handlers that need the lock
Durham Goode <durham@fb.com>
parents:
26542
diff
changeset
|
2189 op.gettransaction() |
29294
077d0535f51f
bundle2: don't assume ordering of heads checked after push
Mads Kiilerich <madski@unity3d.com>
parents:
28883
diff
changeset
|
2190 if sorted(heads) != sorted(op.repo.heads()): |
43076
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42931
diff
changeset
|
2191 raise error.PushRaced( |
43117
8ff1ecfadcd1
cleanup: join string literals that are already on one line
Martin von Zweigbergk <martinvonz@google.com>
parents:
43115
diff
changeset
|
2192 b'remote repository changed while pushing - please try again' |
43076
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42931
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changeset
|
2193 ) |
2372284d9457
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Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
2194 |
21130
1ff06386217f
bundle2: introduce `replycaps` part for on-demand reply
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21129
diff
changeset
|
2195 |
43077
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2196 @parthandler(b'check:updated-heads') |
32709
16ada4cbb1a9
push: add a way to allow concurrent pushes on unrelated heads
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32516
diff
changeset
|
2197 def handlecheckupdatedheads(op, inpart): |
16ada4cbb1a9
push: add a way to allow concurrent pushes on unrelated heads
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32516
diff
changeset
|
2198 """check for race on the heads touched by a push |
16ada4cbb1a9
push: add a way to allow concurrent pushes on unrelated heads
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32516
diff
changeset
|
2199 |
16ada4cbb1a9
push: add a way to allow concurrent pushes on unrelated heads
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32516
diff
changeset
|
2200 This is similar to 'check:heads' but focus on the heads actually updated |
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2201 during the push. If other activities happen on unrelated heads, it is |
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2202 ignored. |
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2203 |
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2204 This allow server with high traffic to avoid push contention as long as |
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2205 unrelated parts of the graph are involved.""" |
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2206 h = inpart.read(20) |
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2207 heads = [] |
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2208 while len(h) == 20: |
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2209 heads.append(h) |
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2210 h = inpart.read(20) |
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2211 assert not h |
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2212 # trigger a transaction so that we are guaranteed to have the lock now. |
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2213 if op.ui.configbool(b'experimental', b'bundle2lazylocking'): |
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2214 op.gettransaction() |
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2215 |
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|
2216 currentheads = set() |
42002
662ffdde5adf
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parents:
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diff
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|
2217 for ls in op.repo.branchmap().iterheads(): |
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|
2218 currentheads.update(ls) |
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2219 |
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2220 for h in heads: |
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2221 if h not in currentheads: |
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2222 raise error.PushRaced( |
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2223 b'remote repository changed while pushing - ' |
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2224 b'please try again' |
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2225 ) |
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2226 |
32709
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2227 |
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2228 @parthandler(b'check:phases') |
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diff
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|
2229 def handlecheckphases(op, inpart): |
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2230 """check that phase boundaries of the repository did not change |
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2231 |
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|
2232 This is used to detect a push race. |
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2233 """ |
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|
2234 phasetonodes = phases.binarydecode(inpart) |
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|
2235 unfi = op.repo.unfiltered() |
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|
2236 cl = unfi.changelog |
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|
2237 phasecache = unfi._phasecache |
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2238 msg = ( |
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2239 b'remote repository changed while pushing - please try again ' |
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2240 b'(%s is %s expected %s)' |
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2241 ) |
48913
f254fc73d956
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parents:
48875
diff
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|
2242 for expectedphase, nodes in phasetonodes.items(): |
34820
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|
2243 for n in nodes: |
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diff
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|
2244 actualphase = phasecache.phase(unfi, cl.rev(n)) |
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|
2245 if actualphase != expectedphase: |
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|
2246 finalmsg = msg % ( |
46113
59fa3890d40a
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diff
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|
2247 short(n), |
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2248 phases.phasenames[actualphase], |
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2249 phases.phasenames[expectedphase], |
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|
2250 ) |
34820
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|
2251 raise error.PushRaced(finalmsg) |
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|
2252 |
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2253 |
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|
2254 @parthandler(b'output') |
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diff
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|
2255 def handleoutput(op, inpart): |
b7435117d951
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|
2256 """forward output captured on the server to the client""" |
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|
2257 for line in inpart.read().splitlines(): |
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|
2258 op.ui.status(_(b'remote: %s\n') % line) |
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2259 |
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|
2260 |
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|
2261 @parthandler(b'replycaps') |
21130
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parents:
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diff
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|
2262 def handlereplycaps(op, inpart): |
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diff
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|
2263 """Notify that a reply bundle should be created |
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diff
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|
2264 |
21138
f469879d27ec
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|
2265 The payload contains the capabilities information for the reply""" |
f469879d27ec
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diff
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|
2266 caps = decodecaps(inpart.read()) |
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|
2267 if op.reply is None: |
21135
98fbf3adfd83
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21134
diff
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|
2268 op.reply = bundle20(op.ui, caps) |
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|
2269 |
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|
2270 |
26829
58f1645f72c3
bundle2: attribute remote failures to remote (issue4788)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26802
diff
changeset
|
2271 class AbortFromPart(error.Abort): |
58f1645f72c3
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
26802
diff
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|
2272 """Sub-class of Abort that denotes an error from a bundle2 part.""" |
58f1645f72c3
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|
2273 |
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|
2274 |
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|
2275 @parthandler(b'error:abort', (b'message', b'hint')) |
24741
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diff
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|
2276 def handleerrorabort(op, inpart): |
21177
952af771bc17
bundle2: gracefully handle abort during unbundle
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|
2277 """Used to transmit abort error over the wire""" |
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|
2278 raise AbortFromPart( |
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2279 inpart.params[b'message'], hint=inpart.params.get(b'hint') |
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2280 ) |
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|
2281 |
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|
2282 |
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|
2283 @parthandler( |
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2284 b'error:pushkey', |
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2285 (b'namespace', b'key', b'new', b'old', b'ret', b'in-reply-to'), |
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2286 ) |
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|
2287 def handleerrorpushkey(op, inpart): |
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|
2288 """Used to transmit failure of a mandatory pushkey over the wire""" |
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|
2289 kwargs = {} |
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|
2290 for name in (b'namespace', b'key', b'new', b'old', b'ret'): |
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2291 value = inpart.params.get(name) |
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|
2292 if value is not None: |
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2293 kwargs[name] = value |
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2294 raise error.PushkeyFailed( |
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2295 inpart.params[b'in-reply-to'], **pycompat.strkwargs(kwargs) |
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2296 ) |
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|
2297 |
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|
2298 |
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|
2299 @parthandler(b'error:unsupportedcontent', (b'parttype', b'params')) |
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24733
diff
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|
2300 def handleerrorunsupportedcontent(op, inpart): |
21619
292331e906d7
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21618
diff
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|
2301 """Used to transmit unknown content error over the wire""" |
21622
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21620
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|
2302 kwargs = {} |
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2303 parttype = inpart.params.get(b'parttype') |
21627
3e8bcc90f07c
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21626
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|
2304 if parttype is not None: |
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2305 kwargs[b'parttype'] = parttype |
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2306 params = inpart.params.get(b'params') |
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|
2307 if params is not None: |
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|
2308 kwargs[b'params'] = params.split(b'\0') |
21622
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21620
diff
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|
2309 |
36427
247b473f408e
bundle2: **strkwargs love on various kwargs constructions
Augie Fackler <augie@google.com>
parents:
36273
diff
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|
2310 raise error.BundleUnknownFeatureError(**pycompat.strkwargs(kwargs)) |
21186
9f3652e851f8
bundle2: gracefully handle PushRaced error during unbundle
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
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diff
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|
2311 |
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diff
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|
2312 |
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parents:
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diff
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|
2313 @parthandler(b'error:pushraced', (b'message',)) |
24741
bb67e52362d6
bundle2: fix names for error part handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24733
diff
changeset
|
2314 def handleerrorpushraced(op, inpart): |
21186
9f3652e851f8
bundle2: gracefully handle PushRaced error during unbundle
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
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diff
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|
2315 """Used to transmit push race error over the wire""" |
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parents:
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diff
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|
2316 raise error.ResponseError(_(b'push failed:'), inpart.params[b'message']) |
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parents:
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|
2317 |
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|
2318 |
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parents:
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diff
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|
2319 @parthandler(b'listkeys', (b'namespace',)) |
21655
35095f332846
bundle: introduce a listkey handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21644
diff
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|
2320 def handlelistkeys(op, inpart): |
35095f332846
bundle: introduce a listkey handler
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parents:
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diff
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|
2321 """retrieve pushkey namespace content stored in a bundle2""" |
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parents:
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diff
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|
2322 namespace = inpart.params[b'namespace'] |
21655
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bundle: introduce a listkey handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
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diff
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|
2323 r = pushkey.decodekeys(inpart.read()) |
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parents:
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diff
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|
2324 op.records.add(b'listkeys', (namespace, r)) |
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parents:
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diff
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|
2325 |
687b865b95ad
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parents:
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diff
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|
2326 |
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parents:
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diff
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|
2327 @parthandler(b'pushkey', (b'namespace', b'key', b'old', b'new')) |
21660
e87d2a12d41b
bundle2: add ``pushkey`` support
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
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diff
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|
2328 def handlepushkey(op, inpart): |
e87d2a12d41b
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parents:
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|
2329 """process a pushkey request""" |
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bundle2: add ``pushkey`` support
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parents:
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diff
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|
2330 dec = pushkey.decode |
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diff
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|
2331 namespace = dec(inpart.params[b'namespace']) |
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parents:
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diff
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|
2332 key = dec(inpart.params[b'key']) |
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diff
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|
2333 old = dec(inpart.params[b'old']) |
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parents:
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diff
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|
2334 new = dec(inpart.params[b'new']) |
26565
ee1bcb9aa6e4
bundle2: add op.gettransaction() to handlers that need the lock
Durham Goode <durham@fb.com>
parents:
26542
diff
changeset
|
2335 # Grab the transaction to ensure that we have the lock before performing the |
ee1bcb9aa6e4
bundle2: add op.gettransaction() to handlers that need the lock
Durham Goode <durham@fb.com>
parents:
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diff
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|
2336 # pushkey. |
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diff
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|
2337 if op.ui.configbool(b'experimental', b'bundle2lazylocking'): |
26565
ee1bcb9aa6e4
bundle2: add op.gettransaction() to handlers that need the lock
Durham Goode <durham@fb.com>
parents:
26542
diff
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|
2338 op.gettransaction() |
21660
e87d2a12d41b
bundle2: add ``pushkey`` support
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
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diff
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|
2339 ret = op.repo.pushkey(namespace, key, old, new) |
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diff
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|
2340 record = {b'namespace': namespace, b'key': key, b'old': old, b'new': new} |
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diff
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|
2341 op.records.add(b'pushkey', record) |
21660
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bundle2: add ``pushkey`` support
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parents:
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diff
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|
2342 if op.reply is not None: |
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parents:
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diff
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|
2343 rpart = op.reply.newpart(b'reply:pushkey') |
33675
24b7c75c6441
bundle2: use bytestr() instead of str() to convert part id to bytes
Augie Fackler <augie@google.com>
parents:
33674
diff
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|
2344 rpart.addparam( |
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parents:
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diff
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|
2345 b'in-reply-to', pycompat.bytestr(inpart.id), mandatory=False |
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parents:
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diff
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|
2346 ) |
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parents:
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diff
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|
2347 rpart.addparam(b'return', b'%i' % ret, mandatory=False) |
25481
6de96cb31176
bundle2: abort when a mandatory pushkey part fails
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25401
diff
changeset
|
2348 if inpart.mandatory and not ret: |
25484
a5192774e925
bundle2: introduce a PushkeyFail error to abort unbundle on pushkey error
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25481
diff
changeset
|
2349 kwargs = {} |
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diff
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|
2350 for key in (b'namespace', b'key', b'new', b'old', b'ret'): |
25484
a5192774e925
bundle2: introduce a PushkeyFail error to abort unbundle on pushkey error
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25481
diff
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|
2351 if key in inpart.params: |
a5192774e925
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25481
diff
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|
2352 kwargs[key] = inpart.params[key] |
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|
2353 raise error.PushkeyFailed( |
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diff
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|
2354 partid=b'%d' % inpart.id, **pycompat.strkwargs(kwargs) |
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|
2355 ) |
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|
2356 |
21660
e87d2a12d41b
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diff
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|
2357 |
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diff
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|
2358 @parthandler(b'bookmarks') |
35260
af5507203d01
bookmark: introduce a 'bookmarks' part
Boris Feld <boris.feld@octobus.net>
parents:
35259
diff
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|
2359 def handlebookmark(op, inpart): |
af5507203d01
bookmark: introduce a 'bookmarks' part
Boris Feld <boris.feld@octobus.net>
parents:
35259
diff
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|
2360 """transmit bookmark information |
af5507203d01
bookmark: introduce a 'bookmarks' part
Boris Feld <boris.feld@octobus.net>
parents:
35259
diff
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|
2361 |
35266
496154e41968
bundle2: support a 'records' mode for the 'bookmarks' part
Boris Feld <boris.feld@octobus.net>
parents:
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diff
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|
2362 The part contains binary encoded bookmark information. |
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bundle2: support a 'records' mode for the 'bookmarks' part
Boris Feld <boris.feld@octobus.net>
parents:
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|
2363 |
496154e41968
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|
2364 The exact behavior of this part can be controlled by the 'bookmarks' mode |
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bundle2: support a 'records' mode for the 'bookmarks' part
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parents:
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diff
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|
2365 on the bundle operation. |
35260
af5507203d01
bookmark: introduce a 'bookmarks' part
Boris Feld <boris.feld@octobus.net>
parents:
35259
diff
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|
2366 |
35266
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Boris Feld <boris.feld@octobus.net>
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|
2367 When mode is 'apply' (the default) the bookmark information is applied as |
496154e41968
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Boris Feld <boris.feld@octobus.net>
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diff
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|
2368 is to the unbundling repository. Make sure a 'check:bookmarks' part is |
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Boris Feld <boris.feld@octobus.net>
parents:
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diff
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|
2369 issued earlier to check for push races in such update. This behavior is |
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Boris Feld <boris.feld@octobus.net>
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|
2370 suitable for pushing. |
496154e41968
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Boris Feld <boris.feld@octobus.net>
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|
2371 |
496154e41968
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diff
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|
2372 When mode is 'records', the information is recorded into the 'bookmarks' |
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diff
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|
2373 records of the bundle operation. This behavior is suitable for pulling. |
35260
af5507203d01
bookmark: introduce a 'bookmarks' part
Boris Feld <boris.feld@octobus.net>
parents:
35259
diff
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|
2374 """ |
46780
6266d19556ad
node: introduce nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents:
46713
diff
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|
2375 changes = bookmarks.binarydecode(op.repo, inpart) |
35261
f392066d127c
bookmark: add pushkey hook compatiblity to the bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
35260
diff
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|
2376 |
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|
2377 pushkeycompat = op.repo.ui.configbool( |
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|
2378 b'server', b'bookmarks-pushkey-compat' |
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|
2379 ) |
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|
2380 bookmarksmode = op.modes.get(b'bookmarks', b'apply') |
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|
2381 |
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|
2382 if bookmarksmode == b'apply': |
35266
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|
2383 tr = op.gettransaction() |
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|
2384 bookstore = op.repo._bookmarks |
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|
2385 if pushkeycompat: |
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|
2386 allhooks = [] |
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|
2387 for book, node in changes: |
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|
2388 hookargs = tr.hookargs.copy() |
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|
2389 hookargs[b'pushkeycompat'] = b'1' |
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2390 hookargs[b'namespace'] = b'bookmarks' |
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|
2391 hookargs[b'key'] = book |
46113
59fa3890d40a
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Joerg Sonnenberger <joerg@bec.de>
parents:
45942
diff
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|
2392 hookargs[b'old'] = hex(bookstore.get(book, b'')) |
59fa3890d40a
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Joerg Sonnenberger <joerg@bec.de>
parents:
45942
diff
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|
2393 hookargs[b'new'] = hex(node if node is not None else b'') |
35266
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|
2394 allhooks.append(hookargs) |
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|
2395 |
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|
2396 for hookargs in allhooks: |
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|
2397 op.repo.hook( |
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|
2398 b'prepushkey', throw=True, **pycompat.strkwargs(hookargs) |
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2399 ) |
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|
2400 |
44372
8407031f195f
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44256
diff
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|
2401 for book, node in changes: |
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44256
diff
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|
2402 if bookmarks.isdivergent(book): |
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|
2403 msg = _(b'cannot accept divergent bookmark %s!') % book |
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|
2404 raise error.Abort(msg) |
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|
2405 |
35266
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|
2406 bookstore.applychanges(op.repo, op.gettransaction(), changes) |
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2407 |
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|
2408 if pushkeycompat: |
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|
2409 |
43778
888bd39ed555
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Kyle Lippincott <spectral@google.com>
parents:
43506
diff
changeset
|
2410 def runhook(unused_success): |
35266
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|
2411 for hookargs in allhooks: |
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|
2412 op.repo.hook(b'pushkey', **pycompat.strkwargs(hookargs)) |
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2413 |
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|
2414 op.repo._afterlock(runhook) |
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changeset
|
2415 |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2416 elif bookmarksmode == b'records': |
35261
f392066d127c
bookmark: add pushkey hook compatiblity to the bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
35260
diff
changeset
|
2417 for book, node in changes: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2418 record = {b'bookmark': book, b'node': node} |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2419 op.records.add(b'bookmarks', record) |
35266
496154e41968
bundle2: support a 'records' mode for the 'bookmarks' part
Boris Feld <boris.feld@octobus.net>
parents:
35265
diff
changeset
|
2420 else: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2421 raise error.ProgrammingError( |
48423
fff5942d445f
typo: s/unkown/unknown across the codebase
Raphaël Gomès <rgomes@octobus.net>
parents:
47226
diff
changeset
|
2422 b'unknown bookmark mode: %s' % bookmarksmode |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2423 ) |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2424 |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2425 |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2426 @parthandler(b'phase-heads') |
33031
e8c8d81eb864
bundle: add config option to include phases
Martin von Zweigbergk <martinvonz@google.com>
parents:
33030
diff
changeset
|
2427 def handlephases(op, inpart): |
e8c8d81eb864
bundle: add config option to include phases
Martin von Zweigbergk <martinvonz@google.com>
parents:
33030
diff
changeset
|
2428 """apply phases from bundle part to repo""" |
34320
12c42bcd4133
phases: move the binary decoding function in the phases module
Boris Feld <boris.feld@octobus.net>
parents:
34319
diff
changeset
|
2429 headsbyphase = phases.binarydecode(inpart) |
34321
4ef472b975ff
bundle2: only grab a transaction when 'phase-heads' affect the repository
Boris Feld <boris.feld@octobus.net>
parents:
34320
diff
changeset
|
2430 phases.updatephases(op.repo.unfiltered(), op.gettransaction, headsbyphase) |
33031
e8c8d81eb864
bundle: add config option to include phases
Martin von Zweigbergk <martinvonz@google.com>
parents:
33030
diff
changeset
|
2431 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
2432 |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2433 @parthandler(b'reply:pushkey', (b'return', b'in-reply-to')) |
21660
e87d2a12d41b
bundle2: add ``pushkey`` support
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21655
diff
changeset
|
2434 def handlepushkeyreply(op, inpart): |
e87d2a12d41b
bundle2: add ``pushkey`` support
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21655
diff
changeset
|
2435 """retrieve the result of a pushkey request""" |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2436 ret = int(inpart.params[b'return']) |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2437 partid = int(inpart.params[b'in-reply-to']) |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2438 op.records.add(b'pushkey', {b'return': ret}, partid) |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2439 |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2440 |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2441 @parthandler(b'obsmarkers') |
22336
60786c8a2f70
bundle2: add an obsmarkers part handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21900
diff
changeset
|
2442 def handleobsmarker(op, inpart): |
60786c8a2f70
bundle2: add an obsmarkers part handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21900
diff
changeset
|
2443 """add a stream of obsmarkers to the repo""" |
60786c8a2f70
bundle2: add an obsmarkers part handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21900
diff
changeset
|
2444 tr = op.gettransaction() |
24733
c00e4338fa4b
obsolete: experimental flag to get debug about obsmarkers exchange
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24686
diff
changeset
|
2445 markerdata = inpart.read() |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2446 if op.ui.config(b'experimental', b'obsmarkers-exchange-debug'): |
43080
86e4daa2d54c
cleanup: mark some ui.(status|note|warn|write) calls as not needing i18n
Augie Fackler <augie@google.com>
parents:
43077
diff
changeset
|
2447 op.ui.writenoi18n( |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2448 b'obsmarker-exchange: %i bytes received\n' % len(markerdata) |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2449 ) |
26685
ea390d889d3a
bundle2: gracefully skip 'obsmarkers' part if evolution is disabled
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26587
diff
changeset
|
2450 # The mergemarkers call will crash if marker creation is not enabled. |
ea390d889d3a
bundle2: gracefully skip 'obsmarkers' part if evolution is disabled
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26587
diff
changeset
|
2451 # we want to avoid this if the part is advisory. |
ea390d889d3a
bundle2: gracefully skip 'obsmarkers' part if evolution is disabled
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26587
diff
changeset
|
2452 if not inpart.mandatory and op.repo.obsstore.readonly: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2453 op.repo.ui.debug( |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2454 b'ignoring obsolescence markers, feature not enabled\n' |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2455 ) |
26685
ea390d889d3a
bundle2: gracefully skip 'obsmarkers' part if evolution is disabled
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26587
diff
changeset
|
2456 return |
24733
c00e4338fa4b
obsolete: experimental flag to get debug about obsmarkers exchange
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24686
diff
changeset
|
2457 new = op.repo.obsstore.mergemarkers(tr, markerdata) |
32326
99515353c72a
obsolete: invalidate "volatile" set cache after merging marker
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32024
diff
changeset
|
2458 op.repo.invalidatevolatilesets() |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2459 op.records.add(b'obsmarkers', {b'new': new}) |
22340
394a17de6a2d
obsmarker: produce a reply part for markers received through bundle2
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22338
diff
changeset
|
2460 if op.reply is not None: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2461 rpart = op.reply.newpart(b'reply:obsmarkers') |
33675
24b7c75c6441
bundle2: use bytestr() instead of str() to convert part id to bytes
Augie Fackler <augie@google.com>
parents:
33674
diff
changeset
|
2462 rpart.addparam( |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2463 b'in-reply-to', pycompat.bytestr(inpart.id), mandatory=False |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
2464 ) |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2465 rpart.addparam(b'new', b'%i' % new, mandatory=False) |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2466 |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2467 |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2468 @parthandler(b'reply:obsmarkers', (b'new', b'in-reply-to')) |
25506
86472038dfd2
bundle2: rename duplicate handlepushkeyreply to handleobsmarkerreply
Martin von Zweigbergk <martinvonz@google.com>
parents:
25493
diff
changeset
|
2469 def handleobsmarkerreply(op, inpart): |
22340
394a17de6a2d
obsmarker: produce a reply part for markers received through bundle2
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22338
diff
changeset
|
2470 """retrieve the result of a pushkey request""" |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2471 ret = int(inpart.params[b'new']) |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2472 partid = int(inpart.params[b'in-reply-to']) |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2473 op.records.add(b'obsmarkers', {b'new': ret}, partid) |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2474 |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2475 |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2476 @parthandler(b'hgtagsfnodes') |
25401
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2477 def handlehgtagsfnodes(op, inpart): |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2478 """Applies .hgtags fnodes cache entries to the local repo. |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2479 |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2480 Payload is pairs of 20 byte changeset nodes and filenodes. |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2481 """ |
26565
ee1bcb9aa6e4
bundle2: add op.gettransaction() to handlers that need the lock
Durham Goode <durham@fb.com>
parents:
26542
diff
changeset
|
2482 # Grab the transaction so we ensure that we have the lock at this point. |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2483 if op.ui.configbool(b'experimental', b'bundle2lazylocking'): |
26565
ee1bcb9aa6e4
bundle2: add op.gettransaction() to handlers that need the lock
Durham Goode <durham@fb.com>
parents:
26542
diff
changeset
|
2484 op.gettransaction() |
25401
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2485 cache = tags.hgtagsfnodescache(op.repo.unfiltered()) |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2486 |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2487 count = 0 |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2488 while True: |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2489 node = inpart.read(20) |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2490 fnode = inpart.read(20) |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2491 if len(node) < 20 or len(fnode) < 20: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2492 op.ui.debug(b'ignoring incomplete received .hgtags fnodes data\n') |
25401
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2493 break |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2494 cache.setfnode(node, fnode) |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2495 count += 1 |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2496 |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2497 cache.write() |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2498 op.ui.debug(b'applied %i hgtags fnodes cache entries\n' % count) |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2499 |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2500 |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2501 rbcstruct = struct.Struct(b'>III') |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2502 |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2503 |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2504 @parthandler(b'cache:rev-branch-cache') |
36963
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2505 def handlerbc(op, inpart): |
46372
3e91d9978bec
branchmap: update rev-branch-cache incrementally
Joerg Sonnenberger <joerg@bec.de>
parents:
46166
diff
changeset
|
2506 """Legacy part, ignored for compatibility with bundles from or |
3e91d9978bec
branchmap: update rev-branch-cache incrementally
Joerg Sonnenberger <joerg@bec.de>
parents:
46166
diff
changeset
|
2507 for Mercurial before 5.7. Newer Mercurial computes the cache |
3e91d9978bec
branchmap: update rev-branch-cache incrementally
Joerg Sonnenberger <joerg@bec.de>
parents:
46166
diff
changeset
|
2508 efficiently enough during unbundling that the additional transfer |
3e91d9978bec
branchmap: update rev-branch-cache incrementally
Joerg Sonnenberger <joerg@bec.de>
parents:
46166
diff
changeset
|
2509 is unnecessary.""" |
36963
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2510 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
2511 |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2512 @parthandler(b'pushvars') |
33693
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2513 def bundle2getvars(op, part): |
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2514 '''unbundle a bundle2 containing shellvars on the server''' |
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2515 # An option to disable unbundling on server-side for security reasons |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2516 if op.ui.configbool(b'push', b'pushvars.server'): |
33693
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2517 hookargs = {} |
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2518 for key, value in part.advisoryparams: |
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2519 key = key.upper() |
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2520 # We want pushed variables to have USERVAR_ prepended so we know |
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2521 # they came from the --pushvar flag. |
43077
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2522 key = b"USERVAR_" + key |
33693
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2523 hookargs[key] = value |
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2524 op.addhookargs(hookargs) |
35758
b996ddf5963d
bundle2: add a 'stream' part handler for stream cloning
Boris Feld <boris.feld@octobus.net>
parents:
35655
diff
changeset
|
2525 |
43076
2372284d9457
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Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
2526 |
43077
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2527 @parthandler(b'stream2', (b'requirements', b'filecount', b'bytecount')) |
35788
b116a66bcc44
bundle2: move version of stream clone into part name
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35787
diff
changeset
|
2528 def handlestreamv2bundle(op, part): |
35758
b996ddf5963d
bundle2: add a 'stream' part handler for stream cloning
Boris Feld <boris.feld@octobus.net>
parents:
35655
diff
changeset
|
2529 |
48990
d9ed7c5e915d
streamclone: avoid some obscure error in a corner case
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents:
48653
diff
changeset
|
2530 requirements = urlreq.unquote(part.params[b'requirements']) |
d9ed7c5e915d
streamclone: avoid some obscure error in a corner case
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents:
48653
diff
changeset
|
2531 requirements = requirements.split(b',') if requirements else [] |
43077
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2532 filecount = int(part.params[b'filecount']) |
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2533 bytecount = int(part.params[b'bytecount']) |
35758
b996ddf5963d
bundle2: add a 'stream' part handler for stream cloning
Boris Feld <boris.feld@octobus.net>
parents:
35655
diff
changeset
|
2534 |
b996ddf5963d
bundle2: add a 'stream' part handler for stream cloning
Boris Feld <boris.feld@octobus.net>
parents:
35655
diff
changeset
|
2535 repo = op.repo |
b996ddf5963d
bundle2: add a 'stream' part handler for stream cloning
Boris Feld <boris.feld@octobus.net>
parents:
35655
diff
changeset
|
2536 if len(repo): |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2537 msg = _(b'cannot apply stream clone to non empty repository') |
35758
b996ddf5963d
bundle2: add a 'stream' part handler for stream cloning
Boris Feld <boris.feld@octobus.net>
parents:
35655
diff
changeset
|
2538 raise error.Abort(msg) |
b996ddf5963d
bundle2: add a 'stream' part handler for stream cloning
Boris Feld <boris.feld@octobus.net>
parents:
35655
diff
changeset
|
2539 |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2540 repo.ui.debug(b'applying stream bundle\n') |
43076
2372284d9457
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parents:
42931
diff
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|
2541 streamclone.applybundlev2(repo, part, filecount, bytecount, requirements) |
2372284d9457
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parents:
42931
diff
changeset
|
2542 |
2372284d9457
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parents:
42931
diff
changeset
|
2543 |
2372284d9457
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parents:
42931
diff
changeset
|
2544 def widen_bundle( |
2372284d9457
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parents:
42931
diff
changeset
|
2545 bundler, repo, oldmatcher, newmatcher, common, known, cgversion, ellipses |
2372284d9457
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Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
2546 ): |
40072
1ea80ac13f19
narrow: move the code to generate a widening bundle2 to core
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
39850
diff
changeset
|
2547 """generates bundle2 for widening a narrow clone |
1ea80ac13f19
narrow: move the code to generate a widening bundle2 to core
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
39850
diff
changeset
|
2548 |
42417
a97b12f726e4
narrow: pass the bundle to bundle2.widen_bundle() instead of generating there
Pulkit Goyal <7895pulkit@gmail.com>
parents:
42143
diff
changeset
|
2549 bundler is the bundle to which data should be added |
40072
1ea80ac13f19
narrow: move the code to generate a widening bundle2 to core
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
39850
diff
changeset
|
2550 repo is the localrepository instance |
40344
2c5835b4246b
narrow: when widening, don't include manifests the client already has
Martin von Zweigbergk <martinvonz@google.com>
parents:
40338
diff
changeset
|
2551 oldmatcher matches what the client already has |
2c5835b4246b
narrow: when widening, don't include manifests the client already has
Martin von Zweigbergk <martinvonz@google.com>
parents:
40338
diff
changeset
|
2552 newmatcher matches what the client needs (including what it already has) |
40072
1ea80ac13f19
narrow: move the code to generate a widening bundle2 to core
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
39850
diff
changeset
|
2553 common is set of common heads between server and client |
1ea80ac13f19
narrow: move the code to generate a widening bundle2 to core
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
39850
diff
changeset
|
2554 known is a set of revs known on the client side (used in ellipses) |
1ea80ac13f19
narrow: move the code to generate a widening bundle2 to core
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
39850
diff
changeset
|
2555 cgversion is the changegroup version to send |
1ea80ac13f19
narrow: move the code to generate a widening bundle2 to core
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
39850
diff
changeset
|
2556 ellipses is boolean value telling whether to send ellipses data or not |
1ea80ac13f19
narrow: move the code to generate a widening bundle2 to core
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
39850
diff
changeset
|
2557 |
1ea80ac13f19
narrow: move the code to generate a widening bundle2 to core
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
39850
diff
changeset
|
2558 returns bundle2 of the data required for extending |
1ea80ac13f19
narrow: move the code to generate a widening bundle2 to core
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
39850
diff
changeset
|
2559 """ |
1ea80ac13f19
narrow: move the code to generate a widening bundle2 to core
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
39850
diff
changeset
|
2560 commonnodes = set() |
1ea80ac13f19
narrow: move the code to generate a widening bundle2 to core
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
39850
diff
changeset
|
2561 cl = repo.changelog |
43077
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2562 for r in repo.revs(b"::%ln", common): |
40072
1ea80ac13f19
narrow: move the code to generate a widening bundle2 to core
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
39850
diff
changeset
|
2563 commonnodes.add(cl.node(r)) |
1ea80ac13f19
narrow: move the code to generate a widening bundle2 to core
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
39850
diff
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|
2564 if commonnodes: |
43076
2372284d9457
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diff
changeset
|
2565 packer = changegroup.getbundler( |
2372284d9457
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parents:
42931
diff
changeset
|
2566 cgversion, |
2372284d9457
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parents:
42931
diff
changeset
|
2567 repo, |
2372284d9457
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parents:
42931
diff
changeset
|
2568 oldmatcher=oldmatcher, |
2372284d9457
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parents:
42931
diff
changeset
|
2569 matcher=newmatcher, |
2372284d9457
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42931
diff
changeset
|
2570 fullnodes=commonnodes, |
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parents:
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diff
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|
2571 ) |
2372284d9457
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42931
diff
changeset
|
2572 cgdata = packer.generate( |
47012
d55b71393907
node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents:
46907
diff
changeset
|
2573 {repo.nullid}, |
43076
2372284d9457
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42931
diff
changeset
|
2574 list(commonnodes), |
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42931
diff
changeset
|
2575 False, |
43077
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2576 b'narrow_widen', |
43076
2372284d9457
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parents:
42931
diff
changeset
|
2577 changelog=False, |
2372284d9457
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parents:
42931
diff
changeset
|
2578 ) |
40072
1ea80ac13f19
narrow: move the code to generate a widening bundle2 to core
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
39850
diff
changeset
|
2579 |
43077
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2580 part = bundler.newpart(b'changegroup', data=cgdata) |
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2581 part.addparam(b'version', cgversion) |
45552
10284ce3d5ed
scmutil: introduce function to check whether repo uses treemanifest or not
Pulkit Goyal <7895pulkit@gmail.com>
parents:
45372
diff
changeset
|
2582 if scmutil.istreemanifest(repo): |
43077
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2583 part.addparam(b'treemanifest', b'1') |
47226
19d4802cb304
sidedata: add a 'side-data' repository feature and use it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47128
diff
changeset
|
2584 if repository.REPO_FEATURE_SIDE_DATA in repo.features: |
19d4802cb304
sidedata: add a 'side-data' repository feature and use it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47128
diff
changeset
|
2585 part.addparam(b'exp-sidedata', b'1') |
19d4802cb304
sidedata: add a 'side-data' repository feature and use it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47128
diff
changeset
|
2586 wanted = format_remote_wanted_sidedata(repo) |
19d4802cb304
sidedata: add a 'side-data' repository feature and use it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
47128
diff
changeset
|
2587 part.addparam(b'exp-wanted-sidedata', wanted) |
40072
1ea80ac13f19
narrow: move the code to generate a widening bundle2 to core
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
39850
diff
changeset
|
2588 |
1ea80ac13f19
narrow: move the code to generate a widening bundle2 to core
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
39850
diff
changeset
|
2589 return bundler |