Mercurial > hg
annotate mercurial/bundle2.py @ 46166:c511fef30290
bundle2: drop some outdated comment
This commend trace back to a very early bundle2 changeset c7ceae0faf69. And the
code moved past this warning over 5 years ago.
Differential Revision: https://phab.mercurial-scm.org/D9637
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Sat, 19 Dec 2020 15:56:54 +0100 |
parents | 41d695a08e90 |
children | 3e91d9978bec |
rev | line source |
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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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52 |
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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 from __future__ import absolute_import, division |
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149 |
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150 import collections |
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151 import errno |
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152 import os |
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153 import re |
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154 import string |
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155 import struct |
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156 import sys |
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157 |
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158 from .i18n import _ |
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159 from .node import ( |
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160 hex, |
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161 nullid, |
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162 short, |
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163 ) |
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164 from . import ( |
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165 bookmarks, |
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166 changegroup, |
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167 encoding, |
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168 error, |
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169 obsolete, |
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170 phases, |
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171 pushkey, |
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172 pycompat, |
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173 requirements, |
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174 scmutil, |
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175 streamclone, |
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176 tags, |
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177 url, |
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178 util, |
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179 ) |
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180 from .utils import stringutil |
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181 |
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182 urlerr = util.urlerr |
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183 urlreq = util.urlreq |
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184 |
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185 _pack = struct.pack |
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186 _unpack = struct.unpack |
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187 |
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188 _fstreamparamsize = b'>i' |
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189 _fpartheadersize = b'>i' |
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190 _fparttypesize = b'>B' |
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191 _fpartid = b'>I' |
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192 _fpayloadsize = b'>i' |
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193 _fpartparamcount = b'>BB' |
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194 |
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195 preferedchunksize = 32768 |
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196 |
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197 _parttypeforbidden = re.compile(b'[^a-zA-Z0-9_:-]') |
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198 |
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199 |
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200 def outdebug(ui, message): |
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201 """debug regarding output stream (bundling)""" |
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202 if ui.configbool(b'devel', b'bundle2.debug'): |
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203 ui.debug(b'bundle2-output: %s\n' % message) |
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204 |
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205 |
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206 def indebug(ui, message): |
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207 """debug on input stream (unbundling)""" |
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208 if ui.configbool(b'devel', b'bundle2.debug'): |
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209 ui.debug(b'bundle2-input: %s\n' % message) |
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210 |
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211 |
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212 def validateparttype(parttype): |
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213 """raise ValueError if a parttype contains invalid character""" |
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214 if _parttypeforbidden.search(parttype): |
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215 raise ValueError(parttype) |
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216 |
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217 |
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218 def _makefpartparamsizes(nbparams): |
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219 """return a struct format to read part parameter sizes |
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220 |
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221 The number parameters is variable so we need to build that format |
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222 dynamically. |
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223 """ |
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224 return b'>' + (b'BB' * nbparams) |
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225 |
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226 |
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227 parthandlermapping = {} |
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228 |
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229 |
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230 def parthandler(parttype, params=()): |
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231 """decorator that register a function as a bundle2 part handler |
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232 |
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233 eg:: |
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234 |
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235 @parthandler('myparttype', ('mandatory', 'param', 'handled')) |
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236 def myparttypehandler(...): |
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237 '''process a part of type "my part".''' |
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238 ... |
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239 """ |
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240 validateparttype(parttype) |
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241 |
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242 def _decorator(func): |
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243 lparttype = parttype.lower() # enforce lower case matching. |
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244 assert lparttype not in parthandlermapping |
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245 parthandlermapping[lparttype] = func |
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246 func.params = frozenset(params) |
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247 return func |
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248 |
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249 return _decorator |
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250 |
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251 |
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252 class unbundlerecords(object): |
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253 """keep record of what happens during and unbundle |
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254 |
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255 New records are added using `records.add('cat', obj)`. Where 'cat' is a |
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256 category of record and obj is an arbitrary object. |
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257 |
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258 `records['cat']` will return all entries of this category 'cat'. |
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259 |
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260 Iterating on the object itself will yield `('category', obj)` tuples |
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261 for all entries. |
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262 |
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263 All iterations happens in chronological order. |
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264 """ |
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265 |
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266 def __init__(self): |
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267 self._categories = {} |
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268 self._sequences = [] |
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269 self._replies = {} |
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270 |
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271 def add(self, category, entry, inreplyto=None): |
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272 """add a new record of a given category. |
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273 |
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274 The entry can then be retrieved in the list returned by |
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275 self['category'].""" |
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276 self._categories.setdefault(category, []).append(entry) |
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277 self._sequences.append((category, entry)) |
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278 if inreplyto is not None: |
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279 self.getreplies(inreplyto).add(category, entry) |
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280 |
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281 def getreplies(self, partid): |
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282 """get the records that are replies to a specific part""" |
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283 return self._replies.setdefault(partid, unbundlerecords()) |
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284 |
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285 def __getitem__(self, cat): |
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286 return tuple(self._categories.get(cat, ())) |
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287 |
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288 def __iter__(self): |
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289 return iter(self._sequences) |
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290 |
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291 def __len__(self): |
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292 return len(self._sequences) |
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293 |
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294 def __nonzero__(self): |
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295 return bool(self._sequences) |
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296 |
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297 __bool__ = __nonzero__ |
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298 |
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299 |
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300 class bundleoperation(object): |
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301 """an object that represents a single bundling process |
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302 |
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303 Its purpose is to carry unbundle-related objects and states. |
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304 |
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305 A new object should be created at the beginning of each bundle processing. |
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306 The object is to be returned by the processing function. |
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307 |
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308 The object has very little content now it will ultimately contain: |
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309 * an access to the repo the bundle is applied to, |
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310 * a ui object, |
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311 * a way to retrieve a transaction to add changes to the repo, |
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312 * a way to record the result of processing each part, |
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313 * a way to construct a bundle response when applicable. |
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314 """ |
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315 |
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316 def __init__(self, repo, transactiongetter, captureoutput=True, source=b''): |
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317 self.repo = repo |
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318 self.ui = repo.ui |
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319 self.records = unbundlerecords() |
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320 self.reply = None |
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321 self.captureoutput = captureoutput |
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322 self.hookargs = {} |
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323 self._gettransaction = transactiongetter |
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324 # carries value that can modify part behavior |
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325 self.modes = {} |
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326 self.source = source |
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327 |
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328 def gettransaction(self): |
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329 transaction = self._gettransaction() |
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330 |
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331 if self.hookargs: |
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332 # the ones added to the transaction supercede those added |
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333 # to the operation. |
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334 self.hookargs.update(transaction.hookargs) |
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335 transaction.hookargs = self.hookargs |
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336 |
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337 # mark the hookargs as flushed. further attempts to add to |
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338 # hookargs will result in an abort. |
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339 self.hookargs = None |
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340 |
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341 return transaction |
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342 |
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343 def addhookargs(self, hookargs): |
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344 if self.hookargs is None: |
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345 raise error.ProgrammingError( |
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346 b'attempted to add hookargs to ' |
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347 b'operation after transaction started' |
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348 ) |
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349 self.hookargs.update(hookargs) |
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350 |
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351 |
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352 class TransactionUnavailable(RuntimeError): |
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353 pass |
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354 |
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355 |
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356 def _notransaction(): |
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357 """default method to get a transaction while processing a bundle |
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358 |
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359 Raise an exception to highlight the fact that no transaction was expected |
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360 to be created""" |
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361 raise TransactionUnavailable() |
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362 |
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363 |
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364 def applybundle(repo, unbundler, tr, source, url=None, **kwargs): |
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365 # transform me into unbundler.apply() as soon as the freeze is lifted |
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366 if isinstance(unbundler, unbundle20): |
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367 tr.hookargs[b'bundle2'] = b'1' |
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368 if source is not None and b'source' not in tr.hookargs: |
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369 tr.hookargs[b'source'] = source |
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370 if url is not None and b'url' not in tr.hookargs: |
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371 tr.hookargs[b'url'] = url |
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372 return processbundle(repo, unbundler, lambda: tr, source=source) |
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373 else: |
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374 # the transactiongetter won't be used, but we might as well set it |
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375 op = bundleoperation(repo, lambda: tr, source=source) |
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376 _processchangegroup(op, unbundler, tr, source, url, **kwargs) |
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377 return op |
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378 |
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379 |
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380 class partiterator(object): |
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381 def __init__(self, repo, op, unbundler): |
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382 self.repo = repo |
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383 self.op = op |
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384 self.unbundler = unbundler |
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385 self.iterator = None |
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386 self.count = 0 |
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387 self.current = None |
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388 |
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389 def __enter__(self): |
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390 def func(): |
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391 itr = enumerate(self.unbundler.iterparts(), 1) |
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392 for count, p in itr: |
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393 self.count = count |
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394 self.current = p |
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395 yield p |
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396 p.consume() |
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397 self.current = None |
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398 |
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399 self.iterator = func() |
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400 return self.iterator |
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401 |
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402 def __exit__(self, type, exc, tb): |
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403 if not self.iterator: |
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404 return |
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405 |
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406 # Only gracefully abort in a normal exception situation. User aborts |
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407 # like Ctrl+C throw a KeyboardInterrupt which is not a base Exception, |
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408 # and should not gracefully cleanup. |
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409 if isinstance(exc, Exception): |
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410 # Any exceptions seeking to the end of the bundle at this point are |
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411 # almost certainly related to the underlying stream being bad. |
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412 # And, chances are that the exception we're handling is related to |
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413 # getting in that bad state. So, we swallow the seeking error and |
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414 # re-raise the original error. |
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415 seekerror = False |
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416 try: |
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417 if self.current: |
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418 # consume the part content to not corrupt the stream. |
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419 self.current.consume() |
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420 |
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421 for part in self.iterator: |
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422 # consume the bundle content |
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423 part.consume() |
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424 except Exception: |
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425 seekerror = True |
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426 |
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427 # Small hack to let caller code distinguish exceptions from bundle2 |
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428 # processing from processing the old format. This is mostly needed |
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429 # to handle different return codes to unbundle according to the type |
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430 # of bundle. We should probably clean up or drop this return code |
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431 # craziness in a future version. |
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432 exc.duringunbundle2 = True |
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433 salvaged = [] |
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434 replycaps = None |
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435 if self.op.reply is not None: |
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436 salvaged = self.op.reply.salvageoutput() |
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437 replycaps = self.op.reply.capabilities |
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438 exc._replycaps = replycaps |
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439 exc._bundle2salvagedoutput = salvaged |
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440 |
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441 # Re-raising from a variable loses the original stack. So only use |
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442 # that form if we need to. |
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443 if seekerror: |
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444 raise exc |
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445 |
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446 self.repo.ui.debug( |
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447 b'bundle2-input-bundle: %i parts total\n' % self.count |
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448 ) |
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449 |
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450 |
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451 def processbundle(repo, unbundler, transactiongetter=None, op=None, source=b''): |
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452 """This function process a bundle, apply effect to/from a repo |
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453 |
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454 It iterates over each part then searches for and uses the proper handling |
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455 code to process the part. Parts are processed in order. |
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456 |
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457 Unknown Mandatory part will abort the process. |
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458 |
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459 It is temporarily possible to provide a prebuilt bundleoperation to the |
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460 function. This is used to ensure output is properly propagated in case of |
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461 an error during the unbundling. This output capturing part will likely be |
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462 reworked and this ability will probably go away in the process. |
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463 """ |
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464 if op is None: |
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465 if transactiongetter is None: |
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466 transactiongetter = _notransaction |
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467 op = bundleoperation(repo, transactiongetter, source=source) |
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468 # todo: |
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469 # - replace this is a init function soon. |
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470 # - exception catching |
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471 unbundler.params |
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472 if repo.ui.debugflag: |
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473 msg = [b'bundle2-input-bundle:'] |
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474 if unbundler.params: |
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475 msg.append(b' %i params' % len(unbundler.params)) |
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476 if op._gettransaction is None or op._gettransaction is _notransaction: |
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477 msg.append(b' no-transaction') |
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478 else: |
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479 msg.append(b' with-transaction') |
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480 msg.append(b'\n') |
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481 repo.ui.debug(b''.join(msg)) |
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482 |
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483 processparts(repo, op, unbundler) |
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484 |
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485 return op |
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486 |
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487 |
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488 def processparts(repo, op, unbundler): |
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489 with partiterator(repo, op, unbundler) as parts: |
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490 for part in parts: |
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491 _processpart(op, part) |
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492 |
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493 |
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494 def _processchangegroup(op, cg, tr, source, url, **kwargs): |
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495 ret = cg.apply(op.repo, tr, source, url, **kwargs) |
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496 op.records.add( |
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497 b'changegroup', |
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498 { |
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499 b'return': ret, |
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500 }, |
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501 ) |
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502 return ret |
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503 |
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504 |
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505 def _gethandler(op, part): |
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506 status = b'unknown' # used by debug output |
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507 try: |
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508 handler = parthandlermapping.get(part.type) |
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509 if handler is None: |
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510 status = b'unsupported-type' |
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511 raise error.BundleUnknownFeatureError(parttype=part.type) |
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512 indebug(op.ui, b'found a handler for part %s' % part.type) |
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513 unknownparams = part.mandatorykeys - handler.params |
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514 if unknownparams: |
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515 unknownparams = list(unknownparams) |
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516 unknownparams.sort() |
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517 status = b'unsupported-params (%s)' % b', '.join(unknownparams) |
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518 raise error.BundleUnknownFeatureError( |
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519 parttype=part.type, params=unknownparams |
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520 ) |
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521 status = b'supported' |
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522 except error.BundleUnknownFeatureError as exc: |
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523 if part.mandatory: # mandatory parts |
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524 raise |
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525 indebug(op.ui, b'ignoring unsupported advisory part %s' % exc) |
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526 return # skip to part processing |
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527 finally: |
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528 if op.ui.debugflag: |
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529 msg = [b'bundle2-input-part: "%s"' % part.type] |
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530 if not part.mandatory: |
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531 msg.append(b' (advisory)') |
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532 nbmp = len(part.mandatorykeys) |
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533 nbap = len(part.params) - nbmp |
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534 if nbmp or nbap: |
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535 msg.append(b' (params:') |
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536 if nbmp: |
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537 msg.append(b' %i mandatory' % nbmp) |
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538 if nbap: |
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539 msg.append(b' %i advisory' % nbmp) |
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540 msg.append(b')') |
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541 msg.append(b' %s\n' % status) |
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542 op.ui.debug(b''.join(msg)) |
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543 |
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544 return handler |
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545 |
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546 |
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547 def _processpart(op, part): |
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548 """process a single part from a bundle |
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549 |
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550 The part is guaranteed to have been fully consumed when the function exits |
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551 (even if an exception is raised).""" |
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552 handler = _gethandler(op, part) |
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553 if handler is None: |
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554 return |
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555 |
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556 # handler is called outside the above try block so that we don't |
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557 # risk catching KeyErrors from anything other than the |
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558 # parthandlermapping lookup (any KeyError raised by handler() |
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559 # itself represents a defect of a different variety). |
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560 output = None |
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561 if op.captureoutput and op.reply is not None: |
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562 op.ui.pushbuffer(error=True, subproc=True) |
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563 output = b'' |
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564 try: |
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565 handler(op, part) |
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566 finally: |
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567 if output is not None: |
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568 output = op.ui.popbuffer() |
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569 if output: |
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570 outpart = op.reply.newpart(b'output', data=output, mandatory=False) |
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571 outpart.addparam( |
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572 b'in-reply-to', pycompat.bytestr(part.id), mandatory=False |
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573 ) |
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574 |
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575 |
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576 def decodecaps(blob): |
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577 """decode a bundle2 caps bytes blob into a dictionary |
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578 |
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579 The blob is a list of capabilities (one per line) |
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580 Capabilities may have values using a line of the form:: |
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581 |
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582 capability=value1,value2,value3 |
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583 |
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584 The values are always a list.""" |
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585 caps = {} |
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586 for line in blob.splitlines(): |
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587 if not line: |
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588 continue |
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589 if b'=' not in line: |
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590 key, vals = line, () |
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591 else: |
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592 key, vals = line.split(b'=', 1) |
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593 vals = vals.split(b',') |
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594 key = urlreq.unquote(key) |
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595 vals = [urlreq.unquote(v) for v in vals] |
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596 caps[key] = vals |
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597 return caps |
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598 |
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599 |
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600 def encodecaps(caps): |
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601 """encode a bundle2 caps dictionary into a bytes blob""" |
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602 chunks = [] |
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603 for ca in sorted(caps): |
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604 vals = caps[ca] |
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605 ca = urlreq.quote(ca) |
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606 vals = [urlreq.quote(v) for v in vals] |
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607 if vals: |
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608 ca = b"%s=%s" % (ca, b','.join(vals)) |
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609 chunks.append(ca) |
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610 return b'\n'.join(chunks) |
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611 |
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612 |
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613 bundletypes = { |
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614 b"": (b"", b'UN'), # only when using unbundle on ssh and old http servers |
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615 # since the unification ssh accepts a header but there |
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616 # is no capability signaling it. |
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617 b"HG20": (), # special-cased below |
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618 b"HG10UN": (b"HG10UN", b'UN'), |
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619 b"HG10BZ": (b"HG10", b'BZ'), |
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620 b"HG10GZ": (b"HG10GZ", b'GZ'), |
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621 } |
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622 |
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623 # hgweb uses this list to communicate its preferred type |
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624 bundlepriority = [b'HG10GZ', b'HG10BZ', b'HG10UN'] |
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625 |
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626 |
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627 class bundle20(object): |
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628 """represent an outgoing bundle2 container |
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629 |
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630 Use the `addparam` method to add stream level parameter. and `newpart` to |
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631 populate it. Then call `getchunks` to retrieve all the binary chunks of |
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632 data that compose the bundle2 container.""" |
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633 |
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634 _magicstring = b'HG20' |
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|
635 |
21134
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|
636 def __init__(self, ui, capabilities=()): |
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637 self.ui = ui |
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638 self._params = [] |
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639 self._parts = [] |
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640 self.capabilities = dict(capabilities) |
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641 self._compengine = util.compengines.forbundletype(b'UN') |
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642 self._compopts = None |
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643 # If compression is being handled by a consumer of the raw |
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644 # data (e.g. the wire protocol), unsetting this flag tells |
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645 # consumers that the bundle is best left uncompressed. |
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646 self.prefercompressed = True |
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647 |
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648 def setcompression(self, alg, compopts=None): |
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649 """setup core part compression to <alg>""" |
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650 if alg in (None, b'UN'): |
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651 return |
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652 assert not any(n.lower() == b'compression' for n, v in self._params) |
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653 self.addparam(b'Compression', alg) |
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654 self._compengine = util.compengines.forbundletype(alg) |
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655 self._compopts = compopts |
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656 |
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657 @property |
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658 def nbparts(self): |
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659 """total number of parts added to the bundler""" |
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660 return len(self._parts) |
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661 |
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|
662 # methods used to defines the bundle2 content |
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663 def addparam(self, name, value=None): |
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664 """add a stream level parameter""" |
20813
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|
665 if not name: |
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666 raise error.ProgrammingError(b'empty parameter name') |
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|
667 if name[0:1] not in pycompat.bytestr( |
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668 string.ascii_letters # pytype: disable=wrong-arg-types |
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669 ): |
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670 raise error.ProgrammingError( |
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671 b'non letter first character: %s' % name |
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672 ) |
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673 self._params.append((name, value)) |
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|
674 |
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675 def addpart(self, part): |
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676 """add a new part to the bundle2 container |
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|
677 |
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|
678 Parts contains the actual applicative payload.""" |
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679 assert part.id is None |
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680 part.id = len(self._parts) # very cheap counter |
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681 self._parts.append(part) |
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682 |
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683 def newpart(self, typeid, *args, **kwargs): |
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684 """create a new part and add it to the containers |
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685 |
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686 As the part is directly added to the containers. For now, this means |
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687 that any failure to properly initialize the part after calling |
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688 ``newpart`` should result in a failure of the whole bundling process. |
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689 |
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690 You can still fall back to manually create and add if you need better |
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691 control.""" |
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692 part = bundlepart(typeid, *args, **kwargs) |
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693 self.addpart(part) |
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694 return part |
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695 |
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696 # methods used to generate the bundle2 stream |
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697 def getchunks(self): |
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698 if self.ui.debugflag: |
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699 msg = [b'bundle2-output-bundle: "%s",' % self._magicstring] |
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700 if self._params: |
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701 msg.append(b' (%i params)' % len(self._params)) |
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702 msg.append(b' %i parts total\n' % len(self._parts)) |
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703 self.ui.debug(b''.join(msg)) |
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704 outdebug(self.ui, b'start emission of %s stream' % self._magicstring) |
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705 yield self._magicstring |
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706 param = self._paramchunk() |
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707 outdebug(self.ui, b'bundle parameter: %s' % param) |
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708 yield _pack(_fstreamparamsize, len(param)) |
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709 if param: |
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710 yield param |
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711 for chunk in self._compengine.compressstream( |
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712 self._getcorechunk(), self._compopts |
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713 ): |
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714 yield chunk |
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715 |
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716 def _paramchunk(self): |
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717 """return a encoded version of all stream parameters""" |
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718 blocks = [] |
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719 for par, value in self._params: |
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720 par = urlreq.quote(par) |
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721 if value is not None: |
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722 value = urlreq.quote(value) |
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723 par = b'%s=%s' % (par, value) |
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724 blocks.append(par) |
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725 return b' '.join(blocks) |
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726 |
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727 def _getcorechunk(self): |
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728 """yield chunk for the core part of the bundle |
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729 |
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730 (all but headers and parameters)""" |
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731 outdebug(self.ui, b'start of parts') |
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732 for part in self._parts: |
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733 outdebug(self.ui, b'bundle part: "%s"' % part.type) |
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734 for chunk in part.getchunks(ui=self.ui): |
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735 yield chunk |
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736 outdebug(self.ui, b'end of bundle') |
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737 yield _pack(_fpartheadersize, 0) |
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|
738 |
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|
739 def salvageoutput(self): |
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740 """return a list with a copy of all output parts in the bundle |
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|
741 |
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|
742 This is meant to be used during error handling to make sure we preserve |
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|
743 server output""" |
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|
744 salvaged = [] |
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745 for part in self._parts: |
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746 if part.type.startswith(b'output'): |
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|
747 salvaged.append(part.copy()) |
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|
748 return salvaged |
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749 |
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|
750 |
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diff
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|
751 class unpackermixin(object): |
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752 """A mixin to extract bytes and struct data from a stream""" |
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753 |
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754 def __init__(self, fp): |
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755 self._fp = fp |
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756 |
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|
757 def _unpack(self, format): |
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758 """unpack this struct format from the stream |
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|
759 |
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|
760 This method is meant for internal usage by the bundle2 protocol only. |
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|
761 They directly manipulate the low level stream including bundle2 level |
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|
762 instruction. |
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|
763 |
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|
764 Do not use it to implement higher-level logic or methods.""" |
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765 data = self._readexact(struct.calcsize(format)) |
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|
766 return _unpack(format, data) |
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|
767 |
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768 def _readexact(self, size): |
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769 """read exactly <size> bytes from the stream |
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770 |
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771 This method is meant for internal usage by the bundle2 protocol only. |
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772 They directly manipulate the low level stream including bundle2 level |
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|
773 instruction. |
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|
774 |
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|
775 Do not use it to implement higher-level logic or methods.""" |
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776 return changegroup.readexactly(self._fp, size) |
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|
777 |
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|
778 |
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779 def getunbundler(ui, fp, magicstring=None): |
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780 """return a valid unbundler object for a given magicstring""" |
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|
781 if magicstring is None: |
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782 magicstring = changegroup.readexactly(fp, 4) |
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783 magic, version = magicstring[0:2], magicstring[2:4] |
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784 if magic != b'HG': |
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785 ui.debug( |
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786 b"error: invalid magic: %r (version %r), should be 'HG'\n" |
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787 % (magic, version) |
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788 ) |
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789 raise error.Abort(_(b'not a Mercurial bundle')) |
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790 unbundlerclass = formatmap.get(version) |
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791 if unbundlerclass is None: |
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792 raise error.Abort(_(b'unknown bundle version %s') % version) |
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793 unbundler = unbundlerclass(ui, fp) |
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794 indebug(ui, b'start processing of %s stream' % magicstring) |
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795 return unbundler |
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796 |
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797 |
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798 class unbundle20(unpackermixin): |
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799 """interpret a bundle2 stream |
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800 |
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801 This class is fed with a binary stream and yields parts through its |
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802 `iterparts` methods.""" |
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803 |
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804 _magicstring = b'HG20' |
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805 |
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806 def __init__(self, ui, fp): |
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807 """If header is specified, we do not read it out of the stream.""" |
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808 self.ui = ui |
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809 self._compengine = util.compengines.forbundletype(b'UN') |
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810 self._compressed = None |
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811 super(unbundle20, self).__init__(fp) |
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812 |
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813 @util.propertycache |
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814 def params(self): |
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815 """dictionary of stream level parameters""" |
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816 indebug(self.ui, b'reading bundle2 stream parameters') |
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817 params = {} |
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818 paramssize = self._unpack(_fstreamparamsize)[0] |
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819 if paramssize < 0: |
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820 raise error.BundleValueError( |
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821 b'negative bundle param size: %i' % paramssize |
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822 ) |
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823 if paramssize: |
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824 params = self._readexact(paramssize) |
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825 params = self._processallparams(params) |
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826 return params |
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827 |
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828 def _processallparams(self, paramsblock): |
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829 """""" |
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830 params = util.sortdict() |
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831 for p in paramsblock.split(b' '): |
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832 p = p.split(b'=', 1) |
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833 p = [urlreq.unquote(i) for i in p] |
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834 if len(p) < 2: |
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835 p.append(None) |
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836 self._processparam(*p) |
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837 params[p[0]] = p[1] |
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838 return params |
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839 |
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840 def _processparam(self, name, value): |
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841 """process a parameter, applying its effect if needed |
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842 |
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843 Parameter starting with a lower case letter are advisory and will be |
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844 ignored when unknown. Those starting with an upper case letter are |
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845 mandatory and will this function will raise a KeyError when unknown. |
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846 |
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847 Note: no option are currently supported. Any input will be either |
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848 ignored or failing. |
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849 """ |
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|
850 if not name: |
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|
851 raise ValueError('empty parameter name') |
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|
852 if name[0:1] not in pycompat.bytestr( |
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853 string.ascii_letters # pytype: disable=wrong-arg-types |
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854 ): |
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855 raise ValueError('non letter first character: %s' % name) |
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856 try: |
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|
857 handler = b2streamparamsmap[name.lower()] |
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858 except KeyError: |
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859 if name[0:1].islower(): |
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860 indebug(self.ui, b"ignoring unknown parameter %s" % name) |
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861 else: |
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862 raise error.BundleUnknownFeatureError(params=(name,)) |
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863 else: |
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|
864 handler(self, name, value) |
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865 |
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866 def _forwardchunks(self): |
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867 """utility to transfer a bundle2 as binary |
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868 |
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869 This is made necessary by the fact the 'getbundle' command over 'ssh' |
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870 have no way to know then the reply end, relying on the bundle to be |
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871 interpreted to know its end. This is terrible and we are sorry, but we |
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872 needed to move forward to get general delta enabled. |
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873 """ |
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874 yield self._magicstring |
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|
875 assert 'params' not in vars(self) |
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876 paramssize = self._unpack(_fstreamparamsize)[0] |
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877 if paramssize < 0: |
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878 raise error.BundleValueError( |
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879 b'negative bundle param size: %i' % paramssize |
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880 ) |
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881 if paramssize: |
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882 params = self._readexact(paramssize) |
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883 self._processallparams(params) |
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884 # The payload itself is decompressed below, so drop |
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|
885 # the compression parameter passed down to compensate. |
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886 outparams = [] |
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887 for p in params.split(b' '): |
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888 k, v = p.split(b'=', 1) |
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889 if k.lower() != b'compression': |
42143
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bundle2: handle compression in _forwardchunks
Joerg Sonnenberger <joerg@bec.de>
parents:
42057
diff
changeset
|
890 outparams.append(p) |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
891 outparams = b' '.join(outparams) |
42143
29569f2db929
bundle2: handle compression in _forwardchunks
Joerg Sonnenberger <joerg@bec.de>
parents:
42057
diff
changeset
|
892 yield _pack(_fstreamparamsize, len(outparams)) |
29569f2db929
bundle2: handle compression in _forwardchunks
Joerg Sonnenberger <joerg@bec.de>
parents:
42057
diff
changeset
|
893 yield outparams |
29569f2db929
bundle2: handle compression in _forwardchunks
Joerg Sonnenberger <joerg@bec.de>
parents:
42057
diff
changeset
|
894 else: |
29569f2db929
bundle2: handle compression in _forwardchunks
Joerg Sonnenberger <joerg@bec.de>
parents:
42057
diff
changeset
|
895 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
|
896 # 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
|
897 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
|
898 emptycount = 0 |
b87e4638dabf
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26541
diff
changeset
|
899 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
|
900 # 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
|
901 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
|
902 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
|
903 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
|
904 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
|
905 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
|
906 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
|
907 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
|
908 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
|
909 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
|
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 elif size < 0: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
912 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
|
913 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
|
914 |
35116
da91e7309daf
bundle2: don't use seekable bundle2 parts by default (issue5691)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35115
diff
changeset
|
915 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
|
916 """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
|
917 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
|
918 # make sure param have been loaded |
520df53ad26a
bundle2: a very first version of bundle2 unbundler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
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diff
changeset
|
919 self.params |
26404
795f02a24b87
bundle2: allow compressed bundle
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26396
diff
changeset
|
920 # 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
|
921 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
|
922 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
|
923 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
|
924 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
|
925 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
|
926 yield part |
35114
db5038525718
bundle2: implement consume() API on unbundlepart
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35113
diff
changeset
|
927 # 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
|
928 # part. |
db5038525718
bundle2: implement consume() API on unbundlepart
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35113
diff
changeset
|
929 part.consume() |
35115
2b72bc88043f
bundle2: only seek to beginning of part in bundlerepo
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35114
diff
changeset
|
930 |
21014
a6246bba7b9e
bundle2: add an unbundle part responsible from unbundling part
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21013
diff
changeset
|
931 headerblock = self._readpartheader() |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
932 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:
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diff
changeset
|
933 |
21014
a6246bba7b9e
bundle2: add an unbundle part responsible from unbundling part
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21013
diff
changeset
|
934 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
|
935 """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
|
936 |
21014
a6246bba7b9e
bundle2: add an unbundle part responsible from unbundling part
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21013
diff
changeset
|
937 returns None if empty""" |
20864
9a75d2559cff
bundle2: support unbundling empty part
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20856
diff
changeset
|
938 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
|
939 if headersize < 0: |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
940 raise error.BundleValueError( |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
941 b'negative part header size: %i' % headersize |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
942 ) |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
943 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
|
944 if headersize: |
a6246bba7b9e
bundle2: add an unbundle part responsible from unbundling part
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21013
diff
changeset
|
945 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
|
946 return None |
20864
9a75d2559cff
bundle2: support unbundling empty part
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20856
diff
changeset
|
947 |
24071
184a2f6f40da
bundle2.unbundle20: add compressed() method
Eric Sumner <ericsumner@fb.com>
parents:
24070
diff
changeset
|
948 def compressed(self): |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
949 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
|
950 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
|
951 |
31863
cd7aaf344d83
bundle2: move the 'close' method off the unpackermixin
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31862
diff
changeset
|
952 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
|
953 """close underlying file""" |
43115
4aa72cdf616f
py3: delete b'' prefix from safehasattr arguments
Martin von Zweigbergk <martinvonz@google.com>
parents:
43080
diff
changeset
|
954 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
|
955 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
|
956 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
957 |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
958 formatmap = {b'20': unbundle20} |
24648
5cac3accdaa1
unbundle20: allow generic dispatch between unbundlers
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24642
diff
changeset
|
959 |
26395
4e7b0bf9f0b1
unbundle20: allow registering handlers for stream level parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26393
diff
changeset
|
960 b2streamparamsmap = {} |
4e7b0bf9f0b1
unbundle20: allow registering handlers for stream level parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26393
diff
changeset
|
961 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
962 |
26395
4e7b0bf9f0b1
unbundle20: allow registering handlers for stream level parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26393
diff
changeset
|
963 def b2streamparamhandler(name): |
4e7b0bf9f0b1
unbundle20: allow registering handlers for stream level parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26393
diff
changeset
|
964 """register a handler for a stream level parameter""" |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
965 |
26395
4e7b0bf9f0b1
unbundle20: allow registering handlers for stream level parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26393
diff
changeset
|
966 def decorator(func): |
4e7b0bf9f0b1
unbundle20: allow registering handlers for stream level parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26393
diff
changeset
|
967 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
|
968 b2streamparamsmap[name] = func |
4e7b0bf9f0b1
unbundle20: allow registering handlers for stream level parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26393
diff
changeset
|
969 return func |
43076
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formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
970 |
26395
4e7b0bf9f0b1
unbundle20: allow registering handlers for stream level parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26393
diff
changeset
|
971 return decorator |
4e7b0bf9f0b1
unbundle20: allow registering handlers for stream level parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26393
diff
changeset
|
972 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
973 |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
974 @b2streamparamhandler(b'compression') |
26404
795f02a24b87
bundle2: allow compressed bundle
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26396
diff
changeset
|
975 def processcompression(unbundler, param, value): |
795f02a24b87
bundle2: allow compressed bundle
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26396
diff
changeset
|
976 """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
|
977 if value not in util.compengines.supportedbundletypes: |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
978 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
|
979 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
|
980 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
|
981 unbundler._compressed = True |
26404
795f02a24b87
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26396
diff
changeset
|
982 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
983 |
21005
3d38ebb586fe
bundle2: rename part to bundlepart
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21004
diff
changeset
|
984 class bundlepart(object): |
20856
8a6a86c9a5b5
bundle2: support bundling of empty part (with a type)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20844
diff
changeset
|
985 """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
|
986 |
8a6a86c9a5b5
bundle2: support bundling of empty part (with a type)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20844
diff
changeset
|
987 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
|
988 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
|
989 |
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
|
990 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
|
991 generator of byte chunks. |
f9dabfceb259
bundle2: introduce a ``addparam`` method on part
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21604
diff
changeset
|
992 |
f9dabfceb259
bundle2: introduce a ``addparam`` method on part
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21604
diff
changeset
|
993 You can add parameters to the part using the ``addparam`` method. |
f9dabfceb259
bundle2: introduce a ``addparam`` method on part
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21604
diff
changeset
|
994 Parameters can be either mandatory (default) or advisory. Remote side |
f9dabfceb259
bundle2: introduce a ``addparam`` method on part
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21604
diff
changeset
|
995 should be able to safely ignore the advisory ones. |
f9dabfceb259
bundle2: introduce a ``addparam`` method on part
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21604
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996 |
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997 Both data and parameters cannot be modified after the generation has begun. |
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998 """ |
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999 |
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1000 def __init__( |
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1001 self, |
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1002 parttype, |
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1003 mandatoryparams=(), |
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1004 advisoryparams=(), |
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1005 data=b'', |
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1006 mandatory=True, |
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1007 ): |
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1008 validateparttype(parttype) |
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1009 self.id = None |
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1010 self.type = parttype |
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1011 self._data = data |
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1012 self._mandatoryparams = list(mandatoryparams) |
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1013 self._advisoryparams = list(advisoryparams) |
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1014 # checking for duplicated entries |
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1015 self._seenparams = set() |
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1016 for pname, __ in self._mandatoryparams + self._advisoryparams: |
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1017 if pname in self._seenparams: |
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1018 raise error.ProgrammingError(b'duplicated params: %s' % pname) |
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1019 self._seenparams.add(pname) |
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1020 # status of the part's generation: |
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1021 # - None: not started, |
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1022 # - False: currently generated, |
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1023 # - True: generation done. |
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1024 self._generated = None |
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1025 self.mandatory = mandatory |
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1026 |
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1027 def __repr__(self): |
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1028 cls = "%s.%s" % (self.__class__.__module__, self.__class__.__name__) |
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1029 return '<%s object at %x; id: %s; type: %s; mandatory: %s>' % ( |
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1030 cls, |
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1031 id(self), |
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1032 self.id, |
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1033 self.type, |
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1034 self.mandatory, |
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1035 ) |
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1036 |
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1037 def copy(self): |
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1038 """return a copy of the part |
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1039 |
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1040 The new part have the very same content but no partid assigned yet. |
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1041 Parts with generated data cannot be copied.""" |
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1042 assert not util.safehasattr(self.data, 'next') |
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1043 return self.__class__( |
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1044 self.type, |
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1045 self._mandatoryparams, |
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1046 self._advisoryparams, |
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1047 self._data, |
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1048 self.mandatory, |
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1049 ) |
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1050 |
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1051 # methods used to defines the part content |
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1052 @property |
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1053 def data(self): |
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1054 return self._data |
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1055 |
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1056 @data.setter |
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1057 def data(self, data): |
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1058 if self._generated is not None: |
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1059 raise error.ReadOnlyPartError(b'part is being generated') |
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1060 self._data = data |
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1061 |
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1062 @property |
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1063 def mandatoryparams(self): |
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1064 # make it an immutable tuple to force people through ``addparam`` |
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1065 return tuple(self._mandatoryparams) |
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1066 |
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1067 @property |
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1068 def advisoryparams(self): |
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1069 # make it an immutable tuple to force people through ``addparam`` |
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1070 return tuple(self._advisoryparams) |
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1071 |
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1072 def addparam(self, name, value=b'', mandatory=True): |
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1073 """add a parameter to the part |
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1074 |
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1075 If 'mandatory' is set to True, the remote handler must claim support |
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1076 for this parameter or the unbundling will be aborted. |
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1077 |
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1078 The 'name' and 'value' cannot exceed 255 bytes each. |
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1079 """ |
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1080 if self._generated is not None: |
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1081 raise error.ReadOnlyPartError(b'part is being generated') |
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1082 if name in self._seenparams: |
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1083 raise ValueError(b'duplicated params: %s' % name) |
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1084 self._seenparams.add(name) |
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1085 params = self._advisoryparams |
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1086 if mandatory: |
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1087 params = self._mandatoryparams |
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1088 params.append((name, value)) |
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1089 |
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1090 # methods used to generates the bundle2 stream |
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1091 def getchunks(self, ui): |
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1092 if self._generated is not None: |
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1093 raise error.ProgrammingError(b'part can only be consumed once') |
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1094 self._generated = False |
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1095 |
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1096 if ui.debugflag: |
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1097 msg = [b'bundle2-output-part: "%s"' % self.type] |
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1098 if not self.mandatory: |
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1099 msg.append(b' (advisory)') |
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1100 nbmp = len(self.mandatoryparams) |
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1101 nbap = len(self.advisoryparams) |
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1102 if nbmp or nbap: |
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1103 msg.append(b' (params:') |
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1104 if nbmp: |
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1105 msg.append(b' %i mandatory' % nbmp) |
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|
1106 if nbap: |
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1107 msg.append(b' %i advisory' % nbmp) |
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1108 msg.append(b')') |
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|
1109 if not self.data: |
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|
1110 msg.append(b' empty payload') |
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Martin von Zweigbergk <martinvonz@google.com>
parents:
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|
1111 elif util.safehasattr(self.data, 'next') or util.safehasattr( |
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1112 self.data, b'__next__' |
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1113 ): |
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1114 msg.append(b' streamed payload') |
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1115 else: |
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1116 msg.append(b' %i bytes payload' % len(self.data)) |
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1117 msg.append(b'\n') |
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|
1118 ui.debug(b''.join(msg)) |
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|
1119 |
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|
1120 #### header |
23590
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Eric Sumner <ericsumner@fb.com>
parents:
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diff
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|
1121 if self.mandatory: |
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Eric Sumner <ericsumner@fb.com>
parents:
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|
1122 parttype = self.type.upper() |
4440c7cc3728
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Eric Sumner <ericsumner@fb.com>
parents:
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|
1123 else: |
4440c7cc3728
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|
1124 parttype = self.type.lower() |
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1125 outdebug(ui, b'part %s: "%s"' % (pycompat.bytestr(self.id), parttype)) |
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|
1126 ## parttype |
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1127 header = [ |
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1128 _pack(_fparttypesize, len(parttype)), |
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|
1129 parttype, |
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1130 _pack(_fpartid, self.id), |
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|
1131 ] |
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1132 ## parameters |
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1133 # count |
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1134 manpar = self.mandatoryparams |
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1135 advpar = self.advisoryparams |
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|
1136 header.append(_pack(_fpartparamcount, len(manpar), len(advpar))) |
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|
1137 # size |
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1138 parsizes = [] |
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1139 for key, value in manpar: |
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1140 parsizes.append(len(key)) |
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|
1141 parsizes.append(len(value)) |
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|
1142 for key, value in advpar: |
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1143 parsizes.append(len(key)) |
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1144 parsizes.append(len(value)) |
33672
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|
1145 paramsizes = _pack(_makefpartparamsizes(len(parsizes) // 2), *parsizes) |
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1146 header.append(paramsizes) |
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1147 # key, value |
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1148 for key, value in manpar: |
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1149 header.append(key) |
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1150 header.append(value) |
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1151 for key, value in advpar: |
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1152 header.append(key) |
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|
1153 header.append(value) |
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|
1154 ## finalize header |
34249
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Augie Fackler <raf@durin42.com>
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1155 try: |
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1156 headerchunk = b''.join(header) |
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|
1157 except TypeError: |
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1158 raise TypeError( |
43506
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cleanup: remove pointless r-prefixes on single-quoted strings
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parents:
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diff
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|
1159 'Found a non-bytes trying to ' |
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1160 'build bundle part header: %r' % header |
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1161 ) |
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1162 outdebug(ui, b'header chunk size: %i' % len(headerchunk)) |
20856
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20844
diff
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|
1163 yield _pack(_fpartheadersize, len(headerchunk)) |
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|
1164 yield headerchunk |
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|
1165 ## payload |
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1166 try: |
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1167 for chunk in self._payloadchunks(): |
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1168 outdebug(ui, b'payload chunk size: %i' % len(chunk)) |
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|
1169 yield _pack(_fpayloadsize, len(chunk)) |
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|
1170 yield chunk |
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|
1171 except GeneratorExit: |
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|
1172 # GeneratorExit means that nobody is listening for our |
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|
1173 # results anyway, so just bail quickly rather than trying |
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|
1174 # to produce an error part. |
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1175 ui.debug(b'bundle2-generatorexit\n') |
26144
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diff
changeset
|
1176 raise |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25641
diff
changeset
|
1177 except BaseException as exc: |
37084
f0b6fbea00cf
stringutil: bulk-replace call sites to point to new module
Yuya Nishihara <yuya@tcha.org>
parents:
37005
diff
changeset
|
1178 bexc = stringutil.forcebytestr(exc) |
23067
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|
1179 # backup exception data for later |
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|
1180 ui.debug( |
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|
1181 b'bundle2-input-stream-interrupt: encoding exception %s' % bexc |
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|
1182 ) |
32186
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|
1183 tb = sys.exc_info()[2] |
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1184 msg = b'unexpected error: %s' % bexc |
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|
1185 interpart = bundlepart( |
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|
1186 b'error:abort', [(b'message', msg)], mandatory=False |
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|
1187 ) |
23067
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|
1188 interpart.id = 0 |
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|
1189 yield _pack(_fpayloadsize, -1) |
25321
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|
1190 for chunk in interpart.getchunks(ui=ui): |
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|
1191 yield chunk |
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1192 outdebug(ui, b'closing payload chunk') |
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|
1193 # abort current part payload |
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|
1194 yield _pack(_fpayloadsize, 0) |
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|
1195 pycompat.raisewithtb(exc, tb) |
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|
1196 # end of payload |
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1197 outdebug(ui, b'closing payload chunk') |
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|
1198 yield _pack(_fpayloadsize, 0) |
21601
7ff01befc7ec
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|
1199 self._generated = True |
21000
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|
1200 |
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|
1201 def _payloadchunks(self): |
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|
1202 """yield chunks of a the part payload |
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|
1203 |
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|
1204 Exists to handle the different methods to provide data to a part.""" |
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|
1205 # we only support fixed size data now. |
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|
1206 # This will be improved in the future. |
43115
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Martin von Zweigbergk <martinvonz@google.com>
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changeset
|
1207 if util.safehasattr(self.data, 'next') or util.safehasattr( |
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|
1208 self.data, b'__next__' |
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|
1209 ): |
21001
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|
1210 buff = util.chunkbuffer(self.data) |
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|
1211 chunk = buff.read(preferedchunksize) |
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|
1212 while chunk: |
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|
1213 yield chunk |
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|
1214 chunk = buff.read(preferedchunksize) |
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|
1215 elif len(self.data): |
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1216 yield self.data |
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1217 |
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1218 |
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1219 flaginterrupt = -1 |
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1220 |
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1221 |
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1222 class interrupthandler(unpackermixin): |
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1223 """read one part and process it with restricted capability |
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1224 |
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1225 This allows to transmit exception raised on the producer size during part |
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1226 iteration while the consumer is reading a part. |
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1227 |
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1228 Part processed in this manner only have access to a ui object,""" |
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1229 |
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1230 def __init__(self, ui, fp): |
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1231 super(interrupthandler, self).__init__(fp) |
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1232 self.ui = ui |
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1233 |
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1234 def _readpartheader(self): |
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1235 """reads a part header size and return the bytes blob |
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1236 |
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1237 returns None if empty""" |
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1238 headersize = self._unpack(_fpartheadersize)[0] |
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1239 if headersize < 0: |
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1240 raise error.BundleValueError( |
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1241 b'negative part header size: %i' % headersize |
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1242 ) |
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1243 indebug(self.ui, b'part header size: %i\n' % headersize) |
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1244 if headersize: |
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1245 return self._readexact(headersize) |
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1246 return None |
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1247 |
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1248 def __call__(self): |
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1249 |
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1250 self.ui.debug( |
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1251 b'bundle2-input-stream-interrupt: opening out of band context\n' |
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1252 ) |
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1253 indebug(self.ui, b'bundle2 stream interruption, looking for a part.') |
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1254 headerblock = self._readpartheader() |
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1255 if headerblock is None: |
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1256 indebug(self.ui, b'no part found during interruption.') |
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1257 return |
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1258 part = unbundlepart(self.ui, headerblock, self._fp) |
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1259 op = interruptoperation(self.ui) |
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1260 hardabort = False |
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1261 try: |
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1262 _processpart(op, part) |
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1263 except (SystemExit, KeyboardInterrupt): |
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1264 hardabort = True |
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1265 raise |
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1266 finally: |
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1267 if not hardabort: |
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1268 part.consume() |
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1269 self.ui.debug( |
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1270 b'bundle2-input-stream-interrupt: closing out of band context\n' |
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1271 ) |
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1272 |
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1273 |
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1274 class interruptoperation(object): |
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1275 """A limited operation to be use by part handler during interruption |
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1276 |
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1277 It only have access to an ui object. |
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1278 """ |
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1279 |
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1280 def __init__(self, ui): |
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1281 self.ui = ui |
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1282 self.reply = None |
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1283 self.captureoutput = False |
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1284 |
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|
1285 @property |
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1286 def repo(self): |
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|
1287 raise error.ProgrammingError(b'no repo access from stream interruption') |
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1288 |
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1289 def gettransaction(self): |
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1290 raise TransactionUnavailable(b'no repo access from stream interruption') |
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1291 |
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1292 |
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1293 def decodepayloadchunks(ui, fh): |
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1294 """Reads bundle2 part payload data into chunks. |
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1295 |
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1296 Part payload data consists of framed chunks. This function takes |
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1297 a file handle and emits those chunks. |
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1298 """ |
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1299 dolog = ui.configbool(b'devel', b'bundle2.debug') |
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1300 debug = ui.debug |
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1301 |
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1302 headerstruct = struct.Struct(_fpayloadsize) |
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1303 headersize = headerstruct.size |
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1304 unpack = headerstruct.unpack |
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1305 |
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1306 readexactly = changegroup.readexactly |
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1307 read = fh.read |
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1308 |
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1309 chunksize = unpack(readexactly(fh, headersize))[0] |
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1310 indebug(ui, b'payload chunk size: %i' % chunksize) |
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1311 |
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1312 # changegroup.readexactly() is inlined below for performance. |
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1313 while chunksize: |
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1314 if chunksize >= 0: |
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1315 s = read(chunksize) |
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1316 if len(s) < chunksize: |
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1317 raise error.Abort( |
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1318 _( |
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1319 b'stream ended unexpectedly ' |
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1320 b' (got %d bytes, expected %d)' |
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1321 ) |
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1322 % (len(s), chunksize) |
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1323 ) |
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1324 |
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1325 yield s |
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1326 elif chunksize == flaginterrupt: |
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1327 # Interrupt "signal" detected. The regular stream is interrupted |
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1328 # and a bundle2 part follows. Consume it. |
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1329 interrupthandler(ui, fh)() |
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1330 else: |
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1331 raise error.BundleValueError( |
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1332 b'negative payload chunk size: %s' % chunksize |
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1333 ) |
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1334 |
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1335 s = read(headersize) |
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1336 if len(s) < headersize: |
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1337 raise error.Abort( |
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1338 _(b'stream ended unexpectedly (got %d bytes, expected %d)') |
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1339 % (len(s), chunksize) |
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1340 ) |
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1341 |
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1342 chunksize = unpack(s)[0] |
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1343 |
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1344 # indebug() inlined for performance. |
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1345 if dolog: |
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1346 debug(b'bundle2-input: payload chunk size: %i\n' % chunksize) |
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1347 |
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1348 |
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1349 class unbundlepart(unpackermixin): |
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1350 """a bundle part read from a bundle""" |
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1351 |
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1352 def __init__(self, ui, header, fp): |
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1353 super(unbundlepart, self).__init__(fp) |
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1354 self._seekable = util.safehasattr(fp, 'seek') and util.safehasattr( |
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1355 fp, b'tell' |
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1356 ) |
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1357 self.ui = ui |
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1358 # unbundle state attr |
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1359 self._headerdata = header |
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1360 self._headeroffset = 0 |
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1361 self._initialized = False |
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1362 self.consumed = False |
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1363 # part data |
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1364 self.id = None |
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1365 self.type = None |
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1366 self.mandatoryparams = None |
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1367 self.advisoryparams = None |
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1368 self.params = None |
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1369 self.mandatorykeys = () |
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1370 self._readheader() |
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1371 self._mandatory = None |
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1372 self._pos = 0 |
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1373 |
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1374 def _fromheader(self, size): |
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1375 """return the next <size> byte from the header""" |
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1376 offset = self._headeroffset |
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1377 data = self._headerdata[offset : (offset + size)] |
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1378 self._headeroffset = offset + size |
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1379 return data |
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1380 |
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1381 def _unpackheader(self, format): |
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1382 """read given format from header |
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1383 |
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1384 This automatically compute the size of the format to read.""" |
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1385 data = self._fromheader(struct.calcsize(format)) |
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1386 return _unpack(format, data) |
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1387 |
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1388 def _initparams(self, mandatoryparams, advisoryparams): |
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1389 """internal function to setup all logic related parameters""" |
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1390 # make it read only to prevent people touching it by mistake. |
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1391 self.mandatoryparams = tuple(mandatoryparams) |
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1392 self.advisoryparams = tuple(advisoryparams) |
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1393 # user friendly UI |
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1394 self.params = util.sortdict(self.mandatoryparams) |
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1395 self.params.update(self.advisoryparams) |
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1396 self.mandatorykeys = frozenset(p[0] for p in mandatoryparams) |
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1397 |
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1398 def _readheader(self): |
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1399 """read the header and setup the object""" |
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1400 typesize = self._unpackheader(_fparttypesize)[0] |
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1401 self.type = self._fromheader(typesize) |
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1402 indebug(self.ui, b'part type: "%s"' % self.type) |
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1403 self.id = self._unpackheader(_fpartid)[0] |
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1404 indebug(self.ui, b'part id: "%s"' % pycompat.bytestr(self.id)) |
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1405 # extract mandatory bit from type |
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1406 self.mandatory = self.type != self.type.lower() |
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1407 self.type = self.type.lower() |
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1408 ## reading parameters |
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1409 # param count |
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1410 mancount, advcount = self._unpackheader(_fpartparamcount) |
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1411 indebug(self.ui, b'part parameters: %i' % (mancount + advcount)) |
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1412 # param size |
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1413 fparamsizes = _makefpartparamsizes(mancount + advcount) |
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1414 paramsizes = self._unpackheader(fparamsizes) |
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1415 # make it a list of couple again |
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1416 paramsizes = list(zip(paramsizes[::2], paramsizes[1::2])) |
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1417 # split mandatory from advisory |
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1418 mansizes = paramsizes[:mancount] |
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1419 advsizes = paramsizes[mancount:] |
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1420 # retrieve param value |
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1421 manparams = [] |
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1422 for key, value in mansizes: |
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1423 manparams.append((self._fromheader(key), self._fromheader(value))) |
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1424 advparams = [] |
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1425 for key, value in advsizes: |
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1426 advparams.append((self._fromheader(key), self._fromheader(value))) |
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1427 self._initparams(manparams, advparams) |
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1428 ## part payload |
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1429 self._payloadstream = util.chunkbuffer(self._payloadchunks()) |
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1430 # we read the data, tell it |
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1431 self._initialized = True |
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1432 |
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1433 def _payloadchunks(self): |
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1434 """Generator of decoded chunks in the payload.""" |
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1435 return decodepayloadchunks(self.ui, self._fp) |
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1436 |
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1437 def consume(self): |
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1438 """Read the part payload until completion. |
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1439 |
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1440 By consuming the part data, the underlying stream read offset will |
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1441 be advanced to the next part (or end of stream). |
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1442 """ |
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1443 if self.consumed: |
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1444 return |
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1445 |
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1446 chunk = self.read(32768) |
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1447 while chunk: |
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1448 self._pos += len(chunk) |
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1449 chunk = self.read(32768) |
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1450 |
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1451 def read(self, size=None): |
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1452 """read payload data""" |
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1453 if not self._initialized: |
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1454 self._readheader() |
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1455 if size is None: |
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1456 data = self._payloadstream.read() |
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1457 else: |
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1458 data = self._payloadstream.read(size) |
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1459 self._pos += len(data) |
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1460 if size is None or len(data) < size: |
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1461 if not self.consumed and self._pos: |
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1462 self.ui.debug( |
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1463 b'bundle2-input-part: total payload size %i\n' % self._pos |
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1464 ) |
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1465 self.consumed = True |
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1466 return data |
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1467 |
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1468 |
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1469 class seekableunbundlepart(unbundlepart): |
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1470 """A bundle2 part in a bundle that is seekable. |
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1471 |
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1472 Regular ``unbundlepart`` instances can only be read once. This class |
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1473 extends ``unbundlepart`` to enable bi-directional seeking within the |
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1474 part. |
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1475 |
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1476 Bundle2 part data consists of framed chunks. Offsets when seeking |
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1477 refer to the decoded data, not the offsets in the underlying bundle2 |
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1478 stream. |
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1479 |
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1480 To facilitate quickly seeking within the decoded data, instances of this |
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1481 class maintain a mapping between offsets in the underlying stream and |
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1482 the decoded payload. This mapping will consume memory in proportion |
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1483 to the number of chunks within the payload (which almost certainly |
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1484 increases in proportion with the size of the part). |
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1485 """ |
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1486 |
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1487 def __init__(self, ui, header, fp): |
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1488 # (payload, file) offsets for chunk starts. |
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1489 self._chunkindex = [] |
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1490 |
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1491 super(seekableunbundlepart, self).__init__(ui, header, fp) |
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1492 |
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1493 def _payloadchunks(self, chunknum=0): |
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1494 '''seek to specified chunk and start yielding data''' |
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1495 if len(self._chunkindex) == 0: |
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1496 assert chunknum == 0, b'Must start with chunk 0' |
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1497 self._chunkindex.append((0, self._tellfp())) |
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1498 else: |
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|
1499 assert chunknum < len(self._chunkindex), ( |
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1500 b'Unknown chunk %d' % chunknum |
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1501 ) |
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1502 self._seekfp(self._chunkindex[chunknum][1]) |
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1503 |
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1504 pos = self._chunkindex[chunknum][0] |
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1505 |
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1506 for chunk in decodepayloadchunks(self.ui, self._fp): |
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1507 chunknum += 1 |
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1508 pos += len(chunk) |
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1509 if chunknum == len(self._chunkindex): |
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1510 self._chunkindex.append((pos, self._tellfp())) |
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1511 |
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1512 yield chunk |
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1513 |
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1514 def _findchunk(self, pos): |
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1515 '''for a given payload position, return a chunk number and offset''' |
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1516 for chunk, (ppos, fpos) in enumerate(self._chunkindex): |
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1517 if ppos == pos: |
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1518 return chunk, 0 |
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1519 elif ppos > pos: |
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1520 return chunk - 1, pos - self._chunkindex[chunk - 1][0] |
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1521 raise ValueError(b'Unknown chunk') |
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1522 |
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1523 def tell(self): |
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1524 return self._pos |
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1525 |
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1526 def seek(self, offset, whence=os.SEEK_SET): |
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1527 if whence == os.SEEK_SET: |
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1528 newpos = offset |
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1529 elif whence == os.SEEK_CUR: |
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1530 newpos = self._pos + offset |
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1531 elif whence == os.SEEK_END: |
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1532 if not self.consumed: |
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1533 # Can't use self.consume() here because it advances self._pos. |
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1534 chunk = self.read(32768) |
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1535 while chunk: |
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1536 chunk = self.read(32768) |
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1537 newpos = self._chunkindex[-1][0] - offset |
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1538 else: |
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1539 raise ValueError(b'Unknown whence value: %r' % (whence,)) |
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1540 |
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1541 if newpos > self._chunkindex[-1][0] and not self.consumed: |
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1542 # Can't use self.consume() here because it advances self._pos. |
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1543 chunk = self.read(32768) |
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1544 while chunk: |
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1545 chunk = self.read(32668) |
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1546 |
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1547 if not 0 <= newpos <= self._chunkindex[-1][0]: |
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1548 raise ValueError(b'Offset out of range') |
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1549 |
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1550 if self._pos != newpos: |
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1551 chunk, internaloffset = self._findchunk(newpos) |
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1552 self._payloadstream = util.chunkbuffer(self._payloadchunks(chunk)) |
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1553 adjust = self.read(internaloffset) |
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parents:
24036
diff
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|
1554 if len(adjust) != internaloffset: |
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|
1555 raise error.Abort(_(b'Seek failed\n')) |
24037
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Eric Sumner <ericsumner@fb.com>
parents:
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diff
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|
1556 self._pos = newpos |
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bundle2.unbundlepart: implement seek()
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diff
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|
1557 |
31889
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bundle2: move 'seek' and 'tell' methods off the unpackermixin class
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|
1558 def _seekfp(self, offset, whence=0): |
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|
1559 """move the underlying file pointer |
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|
1560 |
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|
1561 This method is meant for internal usage by the bundle2 protocol only. |
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|
1562 They directly manipulate the low level stream including bundle2 level |
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|
1563 instruction. |
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diff
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|
1564 |
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|
1565 Do not use it to implement higher-level logic or methods.""" |
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|
1566 if self._seekable: |
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|
1567 return self._fp.seek(offset, whence) |
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1568 else: |
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|
1569 raise NotImplementedError(_(b'File pointer is not seekable')) |
31889
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|
1570 |
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|
1571 def _tellfp(self): |
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1572 """return the file offset, or None if file is not seekable |
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|
1573 |
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|
1574 This method is meant for internal usage by the bundle2 protocol only. |
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1575 They directly manipulate the low level stream including bundle2 level |
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|
1576 instruction. |
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|
1577 |
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|
1578 Do not use it to implement higher-level logic or methods.""" |
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1579 if self._seekable: |
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1580 try: |
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1581 return self._fp.tell() |
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1582 except IOError as e: |
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1583 if e.errno == errno.ESPIPE: |
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1584 self._seekable = False |
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1585 else: |
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|
1586 raise |
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1587 return None |
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|
1588 |
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1589 |
25317
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|
1590 # These are only the static capabilities. |
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1591 # Check the 'getrepocaps' function for the rest. |
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1592 capabilities = { |
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1593 b'HG20': (), |
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1594 b'bookmarks': (), |
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1595 b'error': (b'abort', b'unsupportedcontent', b'pushraced', b'pushkey'), |
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1596 b'listkeys': (), |
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1597 b'pushkey': (), |
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|
1598 b'digests': tuple(sorted(util.DIGESTS.keys())), |
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|
1599 b'remote-changegroup': (b'http', b'https'), |
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1600 b'hgtagsfnodes': (), |
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1601 b'rev-branch-cache': (), |
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1602 b'phases': (b'heads',), |
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1603 b'stream': (b'v2',), |
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1604 } |
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1605 |
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1606 |
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1607 def getrepocaps(repo, allowpushback=False, role=None): |
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1608 """return the bundle2 capabilities for a given repo |
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1609 |
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1610 Exists to allow extensions (like evolution) to mutate the capabilities. |
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1611 |
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1612 The returned value is used for servers advertising their capabilities as |
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1613 well as clients advertising their capabilities to servers as part of |
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1614 bundle2 requests. The ``role`` argument specifies which is which. |
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1615 """ |
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1616 if role not in (b'client', b'server'): |
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1617 raise error.ProgrammingError(b'role argument must be client or server') |
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1618 |
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1619 caps = capabilities.copy() |
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1620 caps[b'changegroup'] = tuple( |
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1621 sorted(changegroup.supportedincomingversions(repo)) |
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1622 ) |
22953
b1d694d3975e
obsolete: add exchange option
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diff
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|
1623 if obsolete.isenabled(repo, obsolete.exchangeopt): |
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1624 supportedformat = tuple(b'V%i' % v for v in obsolete.formats) |
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1625 caps[b'obsmarkers'] = supportedformat |
23439
743736fc7c41
bundle2-push: provide transaction to reply unbundler
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|
1626 if allowpushback: |
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1627 caps[b'pushback'] = () |
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1628 cpmode = repo.ui.config(b'server', b'concurrent-push-mode') |
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1629 if cpmode == b'check-related': |
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1630 caps[b'checkheads'] = (b'related',) |
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1631 if b'phases' in repo.ui.configlist(b'devel', b'legacy.exchange'): |
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|
1632 caps.pop(b'phases') |
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1633 |
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|
1634 # Don't advertise stream clone support in server mode if not configured. |
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1635 if role == b'server': |
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1636 streamsupported = repo.ui.configbool( |
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1637 b'server', b'uncompressed', untrusted=True |
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1638 ) |
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1639 featuresupported = repo.ui.configbool(b'server', b'bundle2.stream') |
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1640 |
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|
1641 if not streamsupported or not featuresupported: |
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1642 caps.pop(b'stream') |
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1643 # Else always advertise support on client, because payload support |
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1644 # should always be advertised. |
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1645 |
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|
1646 return caps |
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1647 |
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1648 |
21644
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|
1649 def bundle2caps(remote): |
23139
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spelling: fixes from proofreading of spell checker issues
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|
1650 """return the bundle capabilities of a peer as dict""" |
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1651 raw = remote.capable(b'bundle2') |
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|
1652 if not raw and raw != b'': |
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1653 return {} |
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|
1654 capsblob = urlreq.unquote(remote.capable(b'bundle2')) |
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|
1655 return decodecaps(capsblob) |
21014
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1656 |
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|
1657 |
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diff
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|
1658 def obsmarkersversion(caps): |
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89a2afe31e82
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parents:
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|
1659 """extract the list of supported obsmarkers versions from a bundle2caps dict""" |
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1660 obscaps = caps.get(b'obsmarkers', ()) |
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1661 return [int(c[1:]) for c in obscaps if c.startswith(b'V')] |
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|
1662 |
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1663 |
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|
1664 def writenewbundle( |
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|
1665 ui, |
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|
1666 repo, |
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|
1667 source, |
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|
1668 filename, |
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|
1669 bundletype, |
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|
1670 outgoing, |
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|
1671 opts, |
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|
1672 vfs=None, |
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|
1673 compression=None, |
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|
1674 compopts=None, |
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1675 ): |
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|
1676 if bundletype.startswith(b'HG10'): |
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|
1677 cg = changegroup.makechangegroup(repo, outgoing, b'01', source) |
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|
1678 return writebundle( |
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|
1679 ui, |
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|
1680 cg, |
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|
1681 filename, |
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|
1682 bundletype, |
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|
1683 vfs=vfs, |
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|
1684 compression=compression, |
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|
1685 compopts=compopts, |
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|
1686 ) |
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1687 elif not bundletype.startswith(b'HG20'): |
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|
1688 raise error.ProgrammingError(b'unknown bundle type: %s' % bundletype) |
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|
1689 |
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Pierre-Yves David <pierre-yves.david@octobus.net>
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|
1690 caps = {} |
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|
1691 if b'obsolescence' in opts: |
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|
1692 caps[b'obsmarkers'] = (b'V1',) |
32516
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bundle: add an experimental knob to include obsmarkers in bundle
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diff
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|
1693 bundle = bundle20(ui, caps) |
32221
9dc36df78403
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|
1694 bundle.setcompression(compression, compopts) |
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|
1695 _addpartsfromopts(ui, repo, bundle, source, outgoing, opts) |
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|
1696 chunkiter = bundle.getchunks() |
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|
1697 |
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|
1698 return changegroup.writechunks(ui, chunkiter, filename, vfs=vfs) |
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|
1699 |
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1700 |
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|
1701 def _addpartsfromopts(ui, repo, bundler, source, outgoing, opts): |
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|
1702 # We should eventually reconcile this logic with the one behind |
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|
1703 # 'exchange.getbundle2partsgenerator'. |
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1704 # |
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1705 # The type of input from 'getbundle' and 'writenewbundle' are a bit |
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|
1706 # different right now. So we keep them separated for now for the sake of |
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1707 # simplicity. |
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1708 |
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66c0ff381cfc
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|
1709 # we might not always want a changegroup in such bundle, for example in |
66c0ff381cfc
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|
1710 # stream bundles |
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1711 if opts.get(b'changegroup', True): |
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1712 cgversion = opts.get(b'cg.version') |
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|
1713 if cgversion is None: |
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parents:
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|
1714 cgversion = changegroup.safeversion(repo) |
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|
1715 cg = changegroup.makechangegroup(repo, outgoing, cgversion, source) |
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|
1716 part = bundler.newpart(b'changegroup', data=cg.getchunks()) |
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1717 part.addparam(b'version', cg.version) |
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|
1718 if b'clcount' in cg.extras: |
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|
1719 part.addparam( |
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|
1720 b'nbchanges', b'%d' % cg.extras[b'clcount'], mandatory=False |
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|
1721 ) |
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|
1722 if opts.get(b'phases') and repo.revs( |
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c93dd9d9f1e6
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Manuel Jacob <me@manueljacob.de>
parents:
45117
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|
1723 b'%ln and secret()', outgoing.ancestorsof |
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|
1724 ): |
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|
1725 part.addparam( |
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|
1726 b'targetphase', b'%d' % phases.secret, mandatory=False |
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|
1727 ) |
43131
c17a63eb5d4c
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diff
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|
1728 if b'exp-sidedata-flag' in repo.requirements: |
c17a63eb5d4c
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|
1729 part.addparam(b'exp-sidedata', b'1') |
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1730 |
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|
1731 if opts.get(b'streamv2', False): |
37167
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Boris Feld <boris.feld@octobus.net>
parents:
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diff
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|
1732 addpartbundlestream2(bundler, repo, stream=True) |
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Boris Feld <boris.feld@octobus.net>
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|
1733 |
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|
1734 if opts.get(b'tagsfnodescache', True): |
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6c7a6b04b274
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Boris Feld <boris.feld@octobus.net>
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diff
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|
1735 addparttagsfnodescache(repo, bundler, outgoing) |
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|
1736 |
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|
1737 if opts.get(b'revbranchcache', True): |
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|
1738 addpartrevbranchcache(repo, bundler, outgoing) |
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bundle: add optional 'tagsfnodecache' data to on disk bundle (issue5543)
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|
1739 |
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|
1740 if opts.get(b'obsolescence', False): |
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|
1741 obsmarkers = repo.obsstore.relevantmarkers(outgoing.missing) |
46165
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|
1742 buildobsmarkerspart( |
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|
1743 bundler, |
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|
1744 obsmarkers, |
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|
1745 mandatory=opts.get(b'obsolescence-mandatory', True), |
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1746 ) |
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|
1747 |
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|
1748 if opts.get(b'phases', False): |
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Martin von Zweigbergk <martinvonz@google.com>
parents:
33030
diff
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|
1749 headsbyphase = phases.subsetphaseheads(repo, outgoing.missing) |
34319
5779d096a696
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diff
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|
1750 phasedata = phases.binaryencode(headsbyphase) |
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1751 bundler.newpart(b'phase-heads', data=phasedata) |
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1752 |
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1753 |
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|
1754 def addparttagsfnodescache(repo, bundler, outgoing): |
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|
1755 # we include the tags fnode cache for the bundle changeset |
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|
1756 # (as an optional parts) |
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|
1757 cache = tags.hgtagsfnodescache(repo.unfiltered()) |
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|
1758 chunks = [] |
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1759 |
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|
1760 # .hgtags fnodes are only relevant for head changesets. While we could |
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|
1761 # transfer values for all known nodes, there will likely be little to |
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|
1762 # no benefit. |
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|
1763 # |
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|
1764 # We don't bother using a generator to produce output data because |
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|
1765 # a) we only have 40 bytes per head and even esoteric numbers of heads |
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1766 # consume little memory (1M heads is 40MB) b) we don't want to send the |
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1767 # part if we don't have entries and knowing if we have entries requires |
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1768 # cache lookups. |
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1769 for node in outgoing.ancestorsof: |
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1770 # Don't compute missing, as this may slow down serving. |
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1771 fnode = cache.getfnode(node, computemissing=False) |
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1772 if fnode is not None: |
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1773 chunks.extend([node, fnode]) |
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1774 |
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1775 if chunks: |
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1776 bundler.newpart(b'hgtagsfnodes', data=b''.join(chunks)) |
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1777 |
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1778 |
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1779 def addpartrevbranchcache(repo, bundler, outgoing): |
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1780 # we include the rev branch cache for the bundle changeset |
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1781 # (as an optional parts) |
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1782 cache = repo.revbranchcache() |
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1783 cl = repo.unfiltered().changelog |
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1784 branchesdata = collections.defaultdict(lambda: (set(), set())) |
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1785 for node in outgoing.missing: |
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1786 branch, close = cache.branchinfo(cl.rev(node)) |
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1787 branchesdata[branch][close].add(node) |
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1788 |
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1789 def generate(): |
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1790 for branch, (nodes, closed) in sorted(branchesdata.items()): |
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1791 utf8branch = encoding.fromlocal(branch) |
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1792 yield rbcstruct.pack(len(utf8branch), len(nodes), len(closed)) |
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1793 yield utf8branch |
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1794 for n in sorted(nodes): |
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1795 yield n |
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1796 for n in sorted(closed): |
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1797 yield n |
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1798 |
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1799 bundler.newpart(b'cache:rev-branch-cache', data=generate(), mandatory=False) |
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1800 |
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1801 |
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1802 def _formatrequirementsspec(requirements): |
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1803 requirements = [req for req in requirements if req != b"shared"] |
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1804 return urlreq.quote(b','.join(sorted(requirements))) |
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1805 |
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1806 |
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1807 def _formatrequirementsparams(requirements): |
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1808 requirements = _formatrequirementsspec(requirements) |
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1809 params = b"%s%s" % (urlreq.quote(b"requirements="), requirements) |
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1810 return params |
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1811 |
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1812 |
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1813 def addpartbundlestream2(bundler, repo, **kwargs): |
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1814 if not kwargs.get('stream', False): |
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1815 return |
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1816 |
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1817 if not streamclone.allowservergeneration(repo): |
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1818 raise error.Abort( |
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1819 _( |
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1820 b'stream data requested but server does not allow ' |
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1821 b'this feature' |
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1822 ), |
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1823 hint=_( |
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1824 b'well-behaved clients should not be ' |
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1825 b'requesting stream data from servers not ' |
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1826 b'advertising it; the client may be buggy' |
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1827 ), |
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1828 ) |
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1829 |
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1830 # Stream clones don't compress well. And compression undermines a |
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1831 # goal of stream clones, which is to be fast. Communicate the desire |
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1832 # to avoid compression to consumers of the bundle. |
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1833 bundler.prefercompressed = False |
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1834 |
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1835 # get the includes and excludes |
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1836 includepats = kwargs.get('includepats') |
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1837 excludepats = kwargs.get('excludepats') |
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1838 |
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1839 narrowstream = repo.ui.configbool( |
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1840 b'experimental', b'server.stream-narrow-clones' |
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1841 ) |
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1842 |
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|
1843 if (includepats or excludepats) and not narrowstream: |
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1844 raise error.Abort(_(b'server does not support narrow stream clones')) |
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1845 |
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1846 includeobsmarkers = False |
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1847 if repo.obsstore: |
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1848 remoteversions = obsmarkersversion(bundler.capabilities) |
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1849 if not remoteversions: |
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1850 raise error.Abort( |
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1851 _( |
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1852 b'server has obsolescence markers, but client ' |
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1853 b'cannot receive them via stream clone' |
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1854 ) |
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1855 ) |
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1856 elif repo.obsstore._version in remoteversions: |
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1857 includeobsmarkers = True |
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1858 |
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1859 filecount, bytecount, it = streamclone.generatev2( |
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1860 repo, includepats, excludepats, includeobsmarkers |
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1861 ) |
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1862 requirements = _formatrequirementsspec(repo.requirements) |
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1863 part = bundler.newpart(b'stream2', data=it) |
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1864 part.addparam(b'bytecount', b'%d' % bytecount, mandatory=True) |
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1865 part.addparam(b'filecount', b'%d' % filecount, mandatory=True) |
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1866 part.addparam(b'requirements', requirements, mandatory=True) |
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1867 |
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1868 |
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1869 def buildobsmarkerspart(bundler, markers, mandatory=True): |
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1870 """add an obsmarker part to the bundler with <markers> |
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1871 |
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1872 No part is created if markers is empty. |
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1873 Raises ValueError if the bundler doesn't support any known obsmarker format. |
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1874 """ |
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1875 if not markers: |
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1876 return None |
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1877 |
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1878 remoteversions = obsmarkersversion(bundler.capabilities) |
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1879 version = obsolete.commonversion(remoteversions) |
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1880 if version is None: |
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1881 raise ValueError(b'bundler does not support common obsmarker format') |
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|
1882 stream = obsolete.encodemarkers(markers, True, version=version) |
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1883 return bundler.newpart(b'obsmarkers', data=stream, mandatory=mandatory) |
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1884 |
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1885 |
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1886 def writebundle( |
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1887 ui, cg, filename, bundletype, vfs=None, compression=None, compopts=None |
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1888 ): |
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1889 """Write a bundle file and return its filename. |
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1890 |
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1891 Existing files will not be overwritten. |
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1892 If no filename is specified, a temporary file is created. |
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1893 bz2 compression can be turned off. |
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1894 The bundle file will be deleted in case of errors. |
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1895 """ |
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1896 |
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1897 if bundletype == b"HG20": |
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1898 bundle = bundle20(ui) |
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1899 bundle.setcompression(compression, compopts) |
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1900 part = bundle.newpart(b'changegroup', data=cg.getchunks()) |
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1901 part.addparam(b'version', cg.version) |
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1902 if b'clcount' in cg.extras: |
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1903 part.addparam( |
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1904 b'nbchanges', b'%d' % cg.extras[b'clcount'], mandatory=False |
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1905 ) |
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1906 chunkiter = bundle.getchunks() |
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1907 else: |
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1908 # compression argument is only for the bundle2 case |
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1909 assert compression is None |
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1910 if cg.version != b'01': |
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1911 raise error.Abort( |
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1912 _(b'old bundle types only supports v1 changegroups') |
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1913 ) |
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1914 header, comp = bundletypes[bundletype] |
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1915 if comp not in util.compengines.supportedbundletypes: |
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1916 raise error.Abort(_(b'unknown stream compression type: %s') % comp) |
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1917 compengine = util.compengines.forbundletype(comp) |
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1918 |
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1919 def chunkiter(): |
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1920 yield header |
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1921 for chunk in compengine.compressstream(cg.getchunks(), compopts): |
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1922 yield chunk |
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1923 |
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1924 chunkiter = chunkiter() |
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1925 |
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1926 # parse the changegroup data, otherwise we will block |
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1927 # in case of sshrepo because we don't know the end of the stream |
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1928 return changegroup.writechunks(ui, chunkiter, filename, vfs=vfs) |
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1929 |
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1930 |
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1931 def combinechangegroupresults(op): |
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1932 """logic to combine 0 or more addchangegroup results into one""" |
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1933 results = [r.get(b'return', 0) for r in op.records[b'changegroup']] |
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1934 changedheads = 0 |
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1935 result = 1 |
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1936 for ret in results: |
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1937 # If any changegroup result is 0, return 0 |
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1938 if ret == 0: |
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1939 result = 0 |
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|
1940 break |
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|
1941 if ret < -1: |
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1942 changedheads += ret + 1 |
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1943 elif ret > 1: |
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|
1944 changedheads += ret - 1 |
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|
1945 if changedheads > 0: |
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|
1946 result = 1 + changedheads |
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1947 elif changedheads < 0: |
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|
1948 result = -1 + changedheads |
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|
1949 return result |
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|
1950 |
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|
1951 |
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|
1952 @parthandler( |
43131
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|
1953 b'changegroup', |
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|
1954 ( |
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|
1955 b'version', |
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|
1956 b'nbchanges', |
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|
1957 b'exp-sidedata', |
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|
1958 b'treemanifest', |
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|
1959 b'targetphase', |
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|
1960 ), |
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|
1961 ) |
20998
93a3c5b58635
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|
1962 def handlechangegroup(op, inpart): |
46166
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|
1963 """apply a changegroup part on the repo""" |
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1964 from . import localrepo |
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|
1965 |
32930
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|
1966 tr = op.gettransaction() |
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|
1967 unpackerversion = inpart.params.get(b'version', b'01') |
23170
02e8f9b60052
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|
1968 # We should raise an appropriate exception here |
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|
1969 cg = changegroup.getunbundler(unpackerversion, inpart, None) |
23001
4df9b5e62f70
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|
1970 # the source and url passed here are overwritten by the one contained in |
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|
1971 # the transaction.hookargs argument. So 'bundle2' is a placeholder |
25518
ca656f3dffd7
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|
1972 nbchangesets = None |
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|
1973 if b'nbchanges' in inpart.params: |
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|
1974 nbchangesets = int(inpart.params.get(b'nbchanges')) |
45552
10284ce3d5ed
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diff
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|
1975 if b'treemanifest' in inpart.params and not scmutil.istreemanifest(op.repo): |
27734
5c0fd878779c
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|
1976 if len(op.repo.changelog) != 0: |
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|
1977 raise error.Abort( |
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|
1978 _( |
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|
1979 b"bundle contains tree manifests, but local repo is " |
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|
1980 b"non-empty and does not use tree manifests" |
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changeset
|
1981 ) |
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changeset
|
1982 ) |
45372
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requirements: introduce new requirements related module
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parents:
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changeset
|
1983 op.repo.requirements.add(requirements.TREEMANIFEST_REQUIREMENT) |
39700
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parents:
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1984 op.repo.svfs.options = localrepo.resolvestorevfsoptions( |
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1985 op.repo.ui, op.repo.requirements, op.repo.features |
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1986 ) |
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1987 scmutil.writereporequirements(op.repo) |
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1988 |
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1989 bundlesidedata = bool(b'exp-sidedata' in inpart.params) |
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1990 reposidedata = bool(b'exp-sidedata-flag' in op.repo.requirements) |
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1991 if reposidedata and not bundlesidedata: |
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1992 msg = b"repository is using sidedata but the bundle source do not" |
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1993 hint = b'this is currently unsupported' |
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1994 raise error.Abort(msg, hint=hint) |
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1995 |
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1996 extrakwargs = {} |
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1997 targetphase = inpart.params.get(b'targetphase') |
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1998 if targetphase is not None: |
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1999 extrakwargs['targetphase'] = int(targetphase) |
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2000 ret = _processchangegroup( |
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2001 op, |
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2002 cg, |
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2003 tr, |
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2004 b'bundle2', |
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2005 b'bundle2', |
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2006 expectedtotal=nbchangesets, |
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2007 **extrakwargs |
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2008 ) |
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2009 if op.reply is not None: |
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2010 # This is definitely not the final form of this |
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2011 # return. But one need to start somewhere. |
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2012 part = op.reply.newpart(b'reply:changegroup', mandatory=False) |
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2013 part.addparam( |
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2014 b'in-reply-to', pycompat.bytestr(inpart.id), mandatory=False |
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2015 ) |
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2016 part.addparam(b'return', b'%i' % ret, mandatory=False) |
21019
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2017 assert not inpart.read() |
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2018 |
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2019 |
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2020 _remotechangegroupparams = tuple( |
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2021 [b'url', b'size', b'digests'] |
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2022 + [b'digest:%s' % k for k in util.DIGESTS.keys()] |
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2023 ) |
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2024 |
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2025 |
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2026 @parthandler(b'remote-changegroup', _remotechangegroupparams) |
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2027 def handleremotechangegroup(op, inpart): |
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2028 """apply a bundle10 on the repo, given an url and validation information |
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2029 |
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2030 All the information about the remote bundle to import are given as |
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2031 parameters. The parameters include: |
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2032 - url: the url to the bundle10. |
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2033 - size: the bundle10 file size. It is used to validate what was |
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2034 retrieved by the client matches the server knowledge about the bundle. |
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2035 - digests: a space separated list of the digest types provided as |
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2036 parameters. |
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2037 - digest:<digest-type>: the hexadecimal representation of the digest with |
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2038 that name. Like the size, it is used to validate what was retrieved by |
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2039 the client matches what the server knows about the bundle. |
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2040 |
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2041 When multiple digest types are given, all of them are checked. |
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2042 """ |
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2043 try: |
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2044 raw_url = inpart.params[b'url'] |
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2045 except KeyError: |
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2046 raise error.Abort(_(b'remote-changegroup: missing "%s" param') % b'url') |
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2047 parsed_url = util.url(raw_url) |
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2048 if parsed_url.scheme not in capabilities[b'remote-changegroup']: |
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2049 raise error.Abort( |
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2050 _(b'remote-changegroup does not support %s urls') |
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2051 % parsed_url.scheme |
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2052 ) |
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2053 |
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2054 try: |
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2055 size = int(inpart.params[b'size']) |
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2056 except ValueError: |
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2057 raise error.Abort( |
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2058 _(b'remote-changegroup: invalid value for param "%s"') % b'size' |
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2059 ) |
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2060 except KeyError: |
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2061 raise error.Abort( |
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2062 _(b'remote-changegroup: missing "%s" param') % b'size' |
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2063 ) |
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2064 |
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2065 digests = {} |
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2066 for typ in inpart.params.get(b'digests', b'').split(): |
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2067 param = b'digest:%s' % typ |
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|
2068 try: |
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|
2069 value = inpart.params[param] |
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2070 except KeyError: |
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2071 raise error.Abort( |
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2072 _(b'remote-changegroup: missing "%s" param') % param |
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2073 ) |
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2074 digests[typ] = value |
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2075 |
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2076 real_part = util.digestchecker(url.open(op.ui, raw_url), size, digests) |
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|
2077 |
32930
af31d531dda0
changegroup: let callers pass in transaction to apply() (API)
Martin von Zweigbergk <martinvonz@google.com>
parents:
32892
diff
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|
2078 tr = op.gettransaction() |
25919
8221fefaea08
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Gregory Szorc <gregory.szorc@gmail.com>
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|
2079 from . import exchange |
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2080 |
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2081 cg = exchange.readbundle(op.repo.ui, real_part, raw_url) |
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2082 if not isinstance(cg, changegroup.cg1unpacker): |
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2083 raise error.Abort( |
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2084 _(b'%s: not a bundle version 1.0') % util.hidepassword(raw_url) |
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2085 ) |
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2086 ret = _processchangegroup(op, cg, tr, b'bundle2', b'bundle2') |
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|
2087 if op.reply is not None: |
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|
2088 # This is definitely not the final form of this |
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2089 # return. But one need to start somewhere. |
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2090 part = op.reply.newpart(b'reply:changegroup') |
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2091 part.addparam( |
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2092 b'in-reply-to', pycompat.bytestr(inpart.id), mandatory=False |
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2093 ) |
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2094 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
|
2095 try: |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
2096 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
|
2097 except error.Abort as e: |
43076
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Augie Fackler <augie@google.com>
parents:
42931
diff
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|
2098 raise error.Abort( |
43077
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2099 _(b'bundle at %s is corrupted:\n%s') |
45682
d2e1dcd4490d
errors: name arguments to Abort constructor
Martin von Zweigbergk <martinvonz@google.com>
parents:
45552
diff
changeset
|
2100 % (util.hidepassword(raw_url), e.message) |
43076
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
2101 ) |
23029
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
2102 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
|
2103 |
43076
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
2104 |
43077
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2105 @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
|
2106 def handlereplychangegroup(op, inpart): |
43077
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2107 ret = int(inpart.params[b'return']) |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2108 replyto = 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
|
2109 op.records.add(b'changegroup', {b'return': ret}, replyto) |
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
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|
2110 |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
2111 |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2112 @parthandler(b'check:bookmarks') |
35258
dbf868623daf
bookmark: add a 'check:bookmarks' bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
changeset
|
2113 def handlecheckbookmarks(op, inpart): |
dbf868623daf
bookmark: add a 'check:bookmarks' bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
changeset
|
2114 """check location of bookmarks |
dbf868623daf
bookmark: add a 'check:bookmarks' bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
changeset
|
2115 |
dbf868623daf
bookmark: add a 'check:bookmarks' bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
changeset
|
2116 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
|
2117 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
|
2118 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
|
2119 """ |
dbf868623daf
bookmark: add a 'check:bookmarks' bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
changeset
|
2120 bookdata = bookmarks.binarydecode(inpart) |
dbf868623daf
bookmark: add a 'check:bookmarks' bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
changeset
|
2121 |
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Augie Fackler <augie@google.com>
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|
2122 msgstandard = ( |
43077
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2123 b'remote repository changed while pushing - please try again ' |
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2124 b'(bookmark "%s" move from %s to %s)' |
43076
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Augie Fackler <augie@google.com>
parents:
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diff
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|
2125 ) |
2372284d9457
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
2126 msgmissing = ( |
43077
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2127 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
|
2128 b'(bookmark "%s" is missing, expected %s)' |
43076
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Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
2129 ) |
2372284d9457
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Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
2130 msgexist = ( |
43077
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2131 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
|
2132 b'(bookmark "%s" set on %s, expected missing)' |
43076
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Augie Fackler <augie@google.com>
parents:
42931
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changeset
|
2133 ) |
35258
dbf868623daf
bookmark: add a 'check:bookmarks' bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
changeset
|
2134 for book, node in bookdata: |
dbf868623daf
bookmark: add a 'check:bookmarks' bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
changeset
|
2135 currentnode = op.repo._bookmarks.get(book) |
dbf868623daf
bookmark: add a 'check:bookmarks' bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
changeset
|
2136 if currentnode != node: |
dbf868623daf
bookmark: add a 'check:bookmarks' bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
changeset
|
2137 if node is None: |
46113
59fa3890d40a
node: import symbols explicitly
Joerg Sonnenberger <joerg@bec.de>
parents:
45942
diff
changeset
|
2138 finalmsg = msgexist % (book, short(currentnode)) |
35258
dbf868623daf
bookmark: add a 'check:bookmarks' bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
changeset
|
2139 elif currentnode is None: |
46113
59fa3890d40a
node: import symbols explicitly
Joerg Sonnenberger <joerg@bec.de>
parents:
45942
diff
changeset
|
2140 finalmsg = msgmissing % (book, short(node)) |
35258
dbf868623daf
bookmark: add a 'check:bookmarks' bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
changeset
|
2141 else: |
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
2142 finalmsg = msgstandard % ( |
2372284d9457
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Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
2143 book, |
46113
59fa3890d40a
node: import symbols explicitly
Joerg Sonnenberger <joerg@bec.de>
parents:
45942
diff
changeset
|
2144 short(node), |
59fa3890d40a
node: import symbols explicitly
Joerg Sonnenberger <joerg@bec.de>
parents:
45942
diff
changeset
|
2145 short(currentnode), |
43076
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
2146 ) |
35258
dbf868623daf
bookmark: add a 'check:bookmarks' bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
changeset
|
2147 raise error.PushRaced(finalmsg) |
dbf868623daf
bookmark: add a 'check:bookmarks' bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
changeset
|
2148 |
43076
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
2149 |
43077
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2150 @parthandler(b'check:heads') |
22548
8a1ae133770a
bundle2: rename functions that have the same name
Mike Hommey <mh@glandium.org>
parents:
22390
diff
changeset
|
2151 def handlecheckheads(op, inpart): |
21060
0bea9db7543b
bundle2: add a "check:heads" handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
changeset
|
2152 """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
|
2153 |
0bea9db7543b
bundle2: add a "check:heads" handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
changeset
|
2154 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
|
2155 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
|
2156 h = inpart.read(20) |
0bea9db7543b
bundle2: add a "check:heads" handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
changeset
|
2157 heads = [] |
0bea9db7543b
bundle2: add a "check:heads" handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
changeset
|
2158 while len(h) == 20: |
0bea9db7543b
bundle2: add a "check:heads" handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
changeset
|
2159 heads.append(h) |
0bea9db7543b
bundle2: add a "check:heads" handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
changeset
|
2160 h = inpart.read(20) |
0bea9db7543b
bundle2: add a "check:heads" handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
changeset
|
2161 assert not h |
26565
ee1bcb9aa6e4
bundle2: add op.gettransaction() to handlers that need the lock
Durham Goode <durham@fb.com>
parents:
26542
diff
changeset
|
2162 # Trigger a transaction so that we are guaranteed to have the lock now. |
43077
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2163 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
|
2164 op.gettransaction() |
29294
077d0535f51f
bundle2: don't assume ordering of heads checked after push
Mads Kiilerich <madski@unity3d.com>
parents:
28883
diff
changeset
|
2165 if sorted(heads) != sorted(op.repo.heads()): |
43076
2372284d9457
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Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
2166 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
|
2167 b'remote repository changed while pushing - please try again' |
43076
2372284d9457
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Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
2168 ) |
2372284d9457
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Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
2169 |
21130
1ff06386217f
bundle2: introduce `replycaps` part for on-demand reply
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21129
diff
changeset
|
2170 |
43077
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2171 @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
|
2172 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
|
2173 """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
|
2174 |
16ada4cbb1a9
push: add a way to allow concurrent pushes on unrelated heads
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32516
diff
changeset
|
2175 This is similar to 'check:heads' but focus on the heads actually updated |
16ada4cbb1a9
push: add a way to allow concurrent pushes on unrelated heads
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32516
diff
changeset
|
2176 during the push. If other activities happen on unrelated heads, it is |
16ada4cbb1a9
push: add a way to allow concurrent pushes on unrelated heads
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32516
diff
changeset
|
2177 ignored. |
16ada4cbb1a9
push: add a way to allow concurrent pushes on unrelated heads
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32516
diff
changeset
|
2178 |
16ada4cbb1a9
push: add a way to allow concurrent pushes on unrelated heads
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32516
diff
changeset
|
2179 This allow server with high traffic to avoid push contention as long as |
16ada4cbb1a9
push: add a way to allow concurrent pushes on unrelated heads
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32516
diff
changeset
|
2180 unrelated parts of the graph are involved.""" |
16ada4cbb1a9
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32516
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changeset
|
2181 h = inpart.read(20) |
16ada4cbb1a9
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32516
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|
2182 heads = [] |
16ada4cbb1a9
push: add a way to allow concurrent pushes on unrelated heads
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32516
diff
changeset
|
2183 while len(h) == 20: |
16ada4cbb1a9
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Pierre-Yves David <pierre-yves.david@octobus.net>
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32516
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|
2184 heads.append(h) |
16ada4cbb1a9
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Pierre-Yves David <pierre-yves.david@octobus.net>
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32516
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|
2185 h = inpart.read(20) |
16ada4cbb1a9
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32516
diff
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|
2186 assert not h |
16ada4cbb1a9
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Pierre-Yves David <pierre-yves.david@octobus.net>
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32516
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changeset
|
2187 # trigger a transaction so that we are guaranteed to have the lock now. |
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|
2188 if op.ui.configbool(b'experimental', b'bundle2lazylocking'): |
32709
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32516
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|
2189 op.gettransaction() |
16ada4cbb1a9
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32516
diff
changeset
|
2190 |
16ada4cbb1a9
push: add a way to allow concurrent pushes on unrelated heads
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32516
diff
changeset
|
2191 currentheads = set() |
42002
662ffdde5adf
branchcache: rename itervalues() to iterheads()
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41792
diff
changeset
|
2192 for ls in op.repo.branchmap().iterheads(): |
32709
16ada4cbb1a9
push: add a way to allow concurrent pushes on unrelated heads
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32516
diff
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|
2193 currentheads.update(ls) |
16ada4cbb1a9
push: add a way to allow concurrent pushes on unrelated heads
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32516
diff
changeset
|
2194 |
16ada4cbb1a9
push: add a way to allow concurrent pushes on unrelated heads
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32516
diff
changeset
|
2195 for h in heads: |
16ada4cbb1a9
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32516
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|
2196 if h not in currentheads: |
43076
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42931
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|
2197 raise error.PushRaced( |
43077
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parents:
43076
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changeset
|
2198 b'remote repository changed while pushing - ' |
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
43076
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changeset
|
2199 b'please try again' |
43076
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parents:
42931
diff
changeset
|
2200 ) |
2372284d9457
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Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
2201 |
32709
16ada4cbb1a9
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Pierre-Yves David <pierre-yves.david@octobus.net>
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32516
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changeset
|
2202 |
43077
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Augie Fackler <augie@google.com>
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43076
diff
changeset
|
2203 @parthandler(b'check:phases') |
34820
a95067b1dca6
phase: introduce a new 'check:phases' part
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parents:
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diff
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|
2204 def handlecheckphases(op, inpart): |
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phase: introduce a new 'check:phases' part
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parents:
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diff
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|
2205 """check that phase boundaries of the repository did not change |
a95067b1dca6
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diff
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|
2206 |
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parents:
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diff
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|
2207 This is used to detect a push race. |
a95067b1dca6
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parents:
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diff
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|
2208 """ |
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parents:
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diff
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|
2209 phasetonodes = phases.binarydecode(inpart) |
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parents:
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diff
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|
2210 unfi = op.repo.unfiltered() |
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phase: introduce a new 'check:phases' part
Boris Feld <boris.feld@octobus.net>
parents:
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diff
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|
2211 cl = unfi.changelog |
a95067b1dca6
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parents:
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diff
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|
2212 phasecache = unfi._phasecache |
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2213 msg = ( |
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|
2214 b'remote repository changed while pushing - please try again ' |
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|
2215 b'(%s is %s expected %s)' |
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|
2216 ) |
45117
b1e51ef4e536
phases: sparsify phase lists
Joerg Sonnenberger <joerg@bec.de>
parents:
45106
diff
changeset
|
2217 for expectedphase, nodes in pycompat.iteritems(phasetonodes): |
34820
a95067b1dca6
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parents:
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diff
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|
2218 for n in nodes: |
a95067b1dca6
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parents:
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diff
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|
2219 actualphase = phasecache.phase(unfi, cl.rev(n)) |
a95067b1dca6
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|
2220 if actualphase != expectedphase: |
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|
2221 finalmsg = msg % ( |
46113
59fa3890d40a
node: import symbols explicitly
Joerg Sonnenberger <joerg@bec.de>
parents:
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diff
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|
2222 short(n), |
43076
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|
2223 phases.phasenames[actualphase], |
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|
2224 phases.phasenames[expectedphase], |
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|
2225 ) |
34820
a95067b1dca6
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parents:
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diff
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|
2226 raise error.PushRaced(finalmsg) |
a95067b1dca6
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parents:
34637
diff
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|
2227 |
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|
2228 |
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|
2229 @parthandler(b'output') |
21131
b7435117d951
bundle2: capture remote stdout while unbundling
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21130
diff
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|
2230 def handleoutput(op, inpart): |
b7435117d951
bundle2: capture remote stdout while unbundling
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parents:
21130
diff
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|
2231 """forward output captured on the server to the client""" |
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|
2232 for line in inpart.read().splitlines(): |
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|
2233 op.ui.status(_(b'remote: %s\n') % line) |
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2234 |
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|
2235 |
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|
2236 @parthandler(b'replycaps') |
21130
1ff06386217f
bundle2: introduce `replycaps` part for on-demand reply
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21129
diff
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|
2237 def handlereplycaps(op, inpart): |
1ff06386217f
bundle2: introduce `replycaps` part for on-demand reply
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21129
diff
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|
2238 """Notify that a reply bundle should be created |
1ff06386217f
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21129
diff
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|
2239 |
21138
f469879d27ec
bundle2: extract capabilities decoding
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21137
diff
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|
2240 The payload contains the capabilities information for the reply""" |
f469879d27ec
bundle2: extract capabilities decoding
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21137
diff
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|
2241 caps = decodecaps(inpart.read()) |
21130
1ff06386217f
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21129
diff
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|
2242 if op.reply is None: |
21135
98fbf3adfd83
bundle2: add capabilities support in `replycaps` part
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21134
diff
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|
2243 op.reply = bundle20(op.ui, caps) |
21131
b7435117d951
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Pierre-Yves David <pierre-yves.david@fb.com>
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|
2244 |
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diff
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|
2245 |
26829
58f1645f72c3
bundle2: attribute remote failures to remote (issue4788)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26802
diff
changeset
|
2246 class AbortFromPart(error.Abort): |
58f1645f72c3
bundle2: attribute remote failures to remote (issue4788)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26802
diff
changeset
|
2247 """Sub-class of Abort that denotes an error from a bundle2 part.""" |
58f1645f72c3
bundle2: attribute remote failures to remote (issue4788)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26802
diff
changeset
|
2248 |
43076
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|
2249 |
43077
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parents:
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diff
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|
2250 @parthandler(b'error:abort', (b'message', b'hint')) |
24741
bb67e52362d6
bundle2: fix names for error part handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24733
diff
changeset
|
2251 def handleerrorabort(op, inpart): |
21177
952af771bc17
bundle2: gracefully handle abort during unbundle
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
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diff
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|
2252 """Used to transmit abort error over the wire""" |
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|
2253 raise AbortFromPart( |
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diff
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|
2254 inpart.params[b'message'], hint=inpart.params.get(b'hint') |
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|
2255 ) |
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|
2256 |
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|
2257 |
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diff
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|
2258 @parthandler( |
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|
2259 b'error:pushkey', |
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parents:
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diff
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|
2260 (b'namespace', b'key', b'new', b'old', b'ret', b'in-reply-to'), |
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|
2261 ) |
25493
d8e7b0781ad7
bundle2: convey PushkeyFailed error over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25492
diff
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|
2262 def handleerrorpushkey(op, inpart): |
d8e7b0781ad7
bundle2: convey PushkeyFailed error over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25492
diff
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|
2263 """Used to transmit failure of a mandatory pushkey over the wire""" |
d8e7b0781ad7
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parents:
25492
diff
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|
2264 kwargs = {} |
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diff
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|
2265 for name in (b'namespace', b'key', b'new', b'old', b'ret'): |
25493
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bundle2: convey PushkeyFailed error over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25492
diff
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|
2266 value = inpart.params.get(name) |
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parents:
25492
diff
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|
2267 if value is not None: |
d8e7b0781ad7
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parents:
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diff
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|
2268 kwargs[name] = value |
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|
2269 raise error.PushkeyFailed( |
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diff
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|
2270 inpart.params[b'in-reply-to'], **pycompat.strkwargs(kwargs) |
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|
2271 ) |
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|
2272 |
25493
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diff
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|
2273 |
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|
2274 @parthandler(b'error:unsupportedcontent', (b'parttype', b'params')) |
24741
bb67e52362d6
bundle2: fix names for error part handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24733
diff
changeset
|
2275 def handleerrorunsupportedcontent(op, inpart): |
21619
292331e906d7
bundle2: rename b2x:error:unknownpart to b2x:error:unsupportedcontent
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21618
diff
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|
2276 """Used to transmit unknown content error over the wire""" |
21622
457492741007
bundle2: support transmission of params error over the wire
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parents:
21620
diff
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|
2277 kwargs = {} |
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diff
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|
2278 parttype = inpart.params.get(b'parttype') |
21627
3e8bcc90f07c
bundle2: support None parttype in BundleValueError
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21626
diff
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|
2279 if parttype is not None: |
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|
2280 kwargs[b'parttype'] = parttype |
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|
2281 params = inpart.params.get(b'params') |
21622
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21620
diff
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|
2282 if params is not None: |
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|
2283 kwargs[b'params'] = params.split(b'\0') |
21622
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bundle2: support transmission of params error over the wire
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parents:
21620
diff
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|
2284 |
36427
247b473f408e
bundle2: **strkwargs love on various kwargs constructions
Augie Fackler <augie@google.com>
parents:
36273
diff
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|
2285 raise error.BundleUnknownFeatureError(**pycompat.strkwargs(kwargs)) |
21186
9f3652e851f8
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21185
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|
2286 |
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|
2287 |
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|
2288 @parthandler(b'error:pushraced', (b'message',)) |
24741
bb67e52362d6
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parents:
24733
diff
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|
2289 def handleerrorpushraced(op, inpart): |
21186
9f3652e851f8
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21185
diff
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|
2290 """Used to transmit push race error over the wire""" |
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|
2291 raise error.ResponseError(_(b'push failed:'), inpart.params[b'message']) |
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2292 |
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2293 |
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|
2294 @parthandler(b'listkeys', (b'namespace',)) |
21655
35095f332846
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21644
diff
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|
2295 def handlelistkeys(op, inpart): |
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21644
diff
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|
2296 """retrieve pushkey namespace content stored in a bundle2""" |
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2297 namespace = inpart.params[b'namespace'] |
21655
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21644
diff
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|
2298 r = pushkey.decodekeys(inpart.read()) |
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|
2299 op.records.add(b'listkeys', (namespace, r)) |
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|
2300 |
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|
2301 |
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|
2302 @parthandler(b'pushkey', (b'namespace', b'key', b'old', b'new')) |
21660
e87d2a12d41b
bundle2: add ``pushkey`` support
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21655
diff
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|
2303 def handlepushkey(op, inpart): |
e87d2a12d41b
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21655
diff
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|
2304 """process a pushkey request""" |
e87d2a12d41b
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21655
diff
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|
2305 dec = pushkey.decode |
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|
2306 namespace = dec(inpart.params[b'namespace']) |
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|
2307 key = dec(inpart.params[b'key']) |
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|
2308 old = dec(inpart.params[b'old']) |
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|
2309 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
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|
2310 # 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>
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26542
diff
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|
2311 # pushkey. |
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|
2312 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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|
2313 op.gettransaction() |
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e87d2a12d41b
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|
2314 ret = op.repo.pushkey(namespace, key, old, new) |
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2315 record = {b'namespace': namespace, b'key': key, b'old': old, b'new': new} |
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|
2316 op.records.add(b'pushkey', record) |
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diff
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|
2317 if op.reply is not None: |
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|
2318 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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|
2319 rpart.addparam( |
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|
2320 b'in-reply-to', pycompat.bytestr(inpart.id), mandatory=False |
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parents:
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2321 ) |
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diff
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|
2322 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
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|
2323 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
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|
2324 kwargs = {} |
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diff
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|
2325 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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|
2326 if key in inpart.params: |
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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|
2327 kwargs[key] = inpart.params[key] |
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|
2328 raise error.PushkeyFailed( |
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|
2329 partid=b'%d' % inpart.id, **pycompat.strkwargs(kwargs) |
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|
2330 ) |
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|
2331 |
21660
e87d2a12d41b
bundle2: add ``pushkey`` support
Pierre-Yves David <pierre-yves.david@fb.com>
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diff
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|
2332 |
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|
2333 @parthandler(b'bookmarks') |
35260
af5507203d01
bookmark: introduce a 'bookmarks' part
Boris Feld <boris.feld@octobus.net>
parents:
35259
diff
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|
2334 def handlebookmark(op, inpart): |
af5507203d01
bookmark: introduce a 'bookmarks' part
Boris Feld <boris.feld@octobus.net>
parents:
35259
diff
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|
2335 """transmit bookmark information |
af5507203d01
bookmark: introduce a 'bookmarks' part
Boris Feld <boris.feld@octobus.net>
parents:
35259
diff
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|
2336 |
35266
496154e41968
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Boris Feld <boris.feld@octobus.net>
parents:
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diff
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|
2337 The part contains binary encoded bookmark information. |
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Boris Feld <boris.feld@octobus.net>
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|
2338 |
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|
2339 The exact behavior of this part can be controlled by the 'bookmarks' mode |
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diff
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|
2340 on the bundle operation. |
35260
af5507203d01
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Boris Feld <boris.feld@octobus.net>
parents:
35259
diff
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|
2341 |
35266
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|
2342 When mode is 'apply' (the default) the bookmark information is applied as |
496154e41968
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parents:
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diff
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|
2343 is to the unbundling repository. Make sure a 'check:bookmarks' part is |
496154e41968
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Boris Feld <boris.feld@octobus.net>
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diff
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|
2344 issued earlier to check for push races in such update. This behavior is |
496154e41968
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Boris Feld <boris.feld@octobus.net>
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diff
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|
2345 suitable for pushing. |
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Boris Feld <boris.feld@octobus.net>
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diff
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|
2346 |
496154e41968
bundle2: support a 'records' mode for the 'bookmarks' part
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diff
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|
2347 When mode is 'records', the information is recorded into the 'bookmarks' |
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parents:
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diff
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|
2348 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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|
2349 """ |
af5507203d01
bookmark: introduce a 'bookmarks' part
Boris Feld <boris.feld@octobus.net>
parents:
35259
diff
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|
2350 changes = bookmarks.binarydecode(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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|
2351 |
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|
2352 pushkeycompat = op.repo.ui.configbool( |
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|
2353 b'server', b'bookmarks-pushkey-compat' |
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|
2354 ) |
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|
2355 bookmarksmode = op.modes.get(b'bookmarks', b'apply') |
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|
2356 |
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|
2357 if bookmarksmode == b'apply': |
35266
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Boris Feld <boris.feld@octobus.net>
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diff
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|
2358 tr = op.gettransaction() |
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|
2359 bookstore = op.repo._bookmarks |
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|
2360 if pushkeycompat: |
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diff
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|
2361 allhooks = [] |
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|
2362 for book, node in changes: |
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diff
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|
2363 hookargs = tr.hookargs.copy() |
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|
2364 hookargs[b'pushkeycompat'] = b'1' |
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|
2365 hookargs[b'namespace'] = b'bookmarks' |
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|
2366 hookargs[b'key'] = book |
46113
59fa3890d40a
node: import symbols explicitly
Joerg Sonnenberger <joerg@bec.de>
parents:
45942
diff
changeset
|
2367 hookargs[b'old'] = hex(bookstore.get(book, b'')) |
59fa3890d40a
node: import symbols explicitly
Joerg Sonnenberger <joerg@bec.de>
parents:
45942
diff
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|
2368 hookargs[b'new'] = hex(node if node is not None else b'') |
35266
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|
2369 allhooks.append(hookargs) |
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|
2370 |
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|
2371 for hookargs in allhooks: |
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|
2372 op.repo.hook( |
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|
2373 b'prepushkey', throw=True, **pycompat.strkwargs(hookargs) |
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|
2374 ) |
35266
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diff
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|
2375 |
44372
8407031f195f
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parents:
44256
diff
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|
2376 for book, node in changes: |
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bookmarks: prevent pushes of divergent bookmarks (foo@remote)
Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
44256
diff
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|
2377 if bookmarks.isdivergent(book): |
8407031f195f
bookmarks: prevent pushes of divergent bookmarks (foo@remote)
Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
44256
diff
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|
2378 msg = _(b'cannot accept divergent bookmark %s!') % book |
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Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
44256
diff
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|
2379 raise error.Abort(msg) |
8407031f195f
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Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents:
44256
diff
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|
2380 |
35266
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|
2381 bookstore.applychanges(op.repo, op.gettransaction(), changes) |
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Boris Feld <boris.feld@octobus.net>
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|
2382 |
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|
2383 if pushkeycompat: |
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|
2384 |
43778
888bd39ed555
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Kyle Lippincott <spectral@google.com>
parents:
43506
diff
changeset
|
2385 def runhook(unused_success): |
35266
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|
2386 for hookargs in allhooks: |
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|
2387 op.repo.hook(b'pushkey', **pycompat.strkwargs(hookargs)) |
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|
2388 |
35266
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|
2389 op.repo._afterlock(runhook) |
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|
2390 |
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|
2391 elif bookmarksmode == b'records': |
35261
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|
2392 for book, node in changes: |
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2393 record = {b'bookmark': book, b'node': node} |
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2394 op.records.add(b'bookmarks', record) |
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2395 else: |
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2396 raise error.ProgrammingError( |
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|
2397 b'unkown bookmark mode: %s' % bookmarksmode |
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2398 ) |
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2399 |
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|
2400 |
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|
2401 @parthandler(b'phase-heads') |
33031
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Martin von Zweigbergk <martinvonz@google.com>
parents:
33030
diff
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|
2402 def handlephases(op, inpart): |
e8c8d81eb864
bundle: add config option to include phases
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33030
diff
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|
2403 """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
|
2404 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
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|
2405 phases.updatephases(op.repo.unfiltered(), op.gettransaction, headsbyphase) |
33031
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|
2406 |
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2407 |
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2408 @parthandler(b'reply:pushkey', (b'return', b'in-reply-to')) |
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|
2409 def handlepushkeyreply(op, inpart): |
e87d2a12d41b
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|
2410 """retrieve the result of a pushkey request""" |
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2411 ret = int(inpart.params[b'return']) |
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2412 partid = int(inpart.params[b'in-reply-to']) |
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2413 op.records.add(b'pushkey', {b'return': ret}, partid) |
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2414 |
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2415 |
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|
2416 @parthandler(b'obsmarkers') |
22336
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21900
diff
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|
2417 def handleobsmarker(op, inpart): |
60786c8a2f70
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|
2418 """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
|
2419 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
|
2420 markerdata = inpart.read() |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2421 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
|
2422 op.ui.writenoi18n( |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2423 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
|
2424 ) |
26685
ea390d889d3a
bundle2: gracefully skip 'obsmarkers' part if evolution is disabled
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26587
diff
changeset
|
2425 # 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
|
2426 # 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
|
2427 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
|
2428 op.repo.ui.debug( |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2429 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
|
2430 ) |
26685
ea390d889d3a
bundle2: gracefully skip 'obsmarkers' part if evolution is disabled
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26587
diff
changeset
|
2431 return |
24733
c00e4338fa4b
obsolete: experimental flag to get debug about obsmarkers exchange
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24686
diff
changeset
|
2432 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
|
2433 op.repo.invalidatevolatilesets() |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2434 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
|
2435 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
|
2436 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
|
2437 rpart.addparam( |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2438 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
|
2439 ) |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2440 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
|
2441 |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2442 |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2443 @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
|
2444 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
|
2445 """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
|
2446 ret = int(inpart.params[b'new']) |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2447 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
|
2448 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
|
2449 |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2450 |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2451 @parthandler(b'hgtagsfnodes') |
25401
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2452 def handlehgtagsfnodes(op, inpart): |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2453 """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
|
2454 |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2455 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
|
2456 """ |
26565
ee1bcb9aa6e4
bundle2: add op.gettransaction() to handlers that need the lock
Durham Goode <durham@fb.com>
parents:
26542
diff
changeset
|
2457 # 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
|
2458 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
|
2459 op.gettransaction() |
25401
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2460 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
|
2461 |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2462 count = 0 |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2463 while True: |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2464 node = inpart.read(20) |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2465 fnode = inpart.read(20) |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2466 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
|
2467 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
|
2468 break |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2469 cache.setfnode(node, fnode) |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2470 count += 1 |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2471 |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2472 cache.write() |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2473 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
|
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 rbcstruct = struct.Struct(b'>III') |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2477 |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2478 |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2479 @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
|
2480 def handlerbc(op, inpart): |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2481 """receive a rev-branch-cache payload and update the local cache |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2482 |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2483 The payload is a series of data related to each branch |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2484 |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2485 1) branch name length |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2486 2) number of open heads |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2487 3) number of closed heads |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2488 4) open heads nodes |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2489 5) closed heads nodes |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2490 """ |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2491 total = 0 |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2492 rawheader = inpart.read(rbcstruct.size) |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2493 cache = op.repo.revbranchcache() |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2494 cl = op.repo.unfiltered().changelog |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2495 while rawheader: |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2496 header = rbcstruct.unpack(rawheader) |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2497 total += header[1] + header[2] |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2498 utf8branch = inpart.read(header[0]) |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2499 branch = encoding.tolocal(utf8branch) |
38783
e7aa113b14f7
global: use pycompat.xrange()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38701
diff
changeset
|
2500 for x in pycompat.xrange(header[1]): |
36963
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2501 node = inpart.read(20) |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2502 rev = cl.rev(node) |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2503 cache.setdata(branch, rev, node, False) |
38783
e7aa113b14f7
global: use pycompat.xrange()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38701
diff
changeset
|
2504 for x in pycompat.xrange(header[2]): |
36963
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2505 node = inpart.read(20) |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2506 rev = cl.rev(node) |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2507 cache.setdata(branch, rev, node, True) |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2508 rawheader = inpart.read(rbcstruct.size) |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2509 cache.write() |
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
formatting: byteify all mercurial/ and hgext/ string literals
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
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2525 |
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2526 |
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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:
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2528 def handlestreamv2bundle(op, part): |
35758
b996ddf5963d
bundle2: add a 'stream' part handler for stream cloning
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parents:
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2529 |
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2530 requirements = urlreq.unquote(part.params[b'requirements']).split(b',') |
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2531 filecount = int(part.params[b'filecount']) |
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2532 bytecount = int(part.params[b'bytecount']) |
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b996ddf5963d
bundle2: add a 'stream' part handler for stream cloning
Boris Feld <boris.feld@octobus.net>
parents:
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2533 |
b996ddf5963d
bundle2: add a 'stream' part handler for stream cloning
Boris Feld <boris.feld@octobus.net>
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2534 repo = op.repo |
b996ddf5963d
bundle2: add a 'stream' part handler for stream cloning
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parents:
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2535 if len(repo): |
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2536 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:
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2537 raise error.Abort(msg) |
b996ddf5963d
bundle2: add a 'stream' part handler for stream cloning
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parents:
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2538 |
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2539 repo.ui.debug(b'applying stream bundle\n') |
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2540 streamclone.applybundlev2(repo, part, filecount, bytecount, requirements) |
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2541 |
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2542 |
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2543 def widen_bundle( |
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2544 bundler, repo, oldmatcher, newmatcher, common, known, cgversion, ellipses |
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2545 ): |
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Pulkit Goyal <pulkit@yandex-team.ru>
parents:
39850
diff
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|
2546 """generates bundle2 for widening a narrow clone |
1ea80ac13f19
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Pulkit Goyal <pulkit@yandex-team.ru>
parents:
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diff
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2547 |
42417
a97b12f726e4
narrow: pass the bundle to bundle2.widen_bundle() instead of generating there
Pulkit Goyal <7895pulkit@gmail.com>
parents:
42143
diff
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2548 bundler is the bundle to which data should be added |
40072
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parents:
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2549 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
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|
2550 oldmatcher matches what the client already has |
2c5835b4246b
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Martin von Zweigbergk <martinvonz@google.com>
parents:
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2551 newmatcher matches what the client needs (including what it already has) |
40072
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2552 common is set of common heads between server and client |
1ea80ac13f19
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2553 known is a set of revs known on the client side (used in ellipses) |
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2554 cgversion is the changegroup version to send |
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2555 ellipses is boolean value telling whether to send ellipses data or not |
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2556 |
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2557 returns bundle2 of the data required for extending |
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2558 """ |
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2559 commonnodes = set() |
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2560 cl = repo.changelog |
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|
2561 for r in repo.revs(b"::%ln", common): |
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|
2562 commonnodes.add(cl.node(r)) |
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|
2563 if commonnodes: |
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2564 # XXX: we should only send the filelogs (and treemanifest). user |
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2565 # already has the changelog and manifest |
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2566 packer = changegroup.getbundler( |
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|
2567 cgversion, |
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|
2568 repo, |
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|
2569 oldmatcher=oldmatcher, |
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|
2570 matcher=newmatcher, |
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|
2571 fullnodes=commonnodes, |
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|
2572 ) |
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|
2573 cgdata = packer.generate( |
46113
59fa3890d40a
node: import symbols explicitly
Joerg Sonnenberger <joerg@bec.de>
parents:
45942
diff
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|
2574 {nullid}, |
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|
2575 list(commonnodes), |
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2576 False, |
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2577 b'narrow_widen', |
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|
2578 changelog=False, |
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|
2579 ) |
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|
2580 |
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2581 part = bundler.newpart(b'changegroup', data=cgdata) |
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2582 part.addparam(b'version', cgversion) |
45552
10284ce3d5ed
scmutil: introduce function to check whether repo uses treemanifest or not
Pulkit Goyal <7895pulkit@gmail.com>
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45372
diff
changeset
|
2583 if scmutil.istreemanifest(repo): |
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|
2584 part.addparam(b'treemanifest', b'1') |
43131
c17a63eb5d4c
sidedata: apply basic but tight security around exchange
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43117
diff
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|
2585 if b'exp-sidedata-flag' in repo.requirements: |
c17a63eb5d4c
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Pierre-Yves David <pierre-yves.david@octobus.net>
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43117
diff
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|
2586 part.addparam(b'exp-sidedata', b'1') |
40072
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|
2587 |
1ea80ac13f19
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|
2588 return bundler |