Mercurial > hg
annotate mercurial/bundle2.py @ 45106:a03c177a4679
scmutil: add writereporequirements() and route requires writing through it
In upcoming patches, to implement Share Safe plan we will be introducing
requires file in store. We need to route all callers to a single function
to check for a share-safe requirement and if present, write requirements to
.hg/store/requires instead.
After this patch, callers directly calling scmutil.writerequires() are only
those where we don't have the repo object, for example when initializing
the repository object itself.
Differential Revision: https://phab.mercurial-scm.org/D8631
author | Pulkit Goyal <7895pulkit@gmail.com> |
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date | Tue, 14 Apr 2020 16:43:54 +0530 |
parents | 8407031f195f |
children | b1e51ef4e536 |
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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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 . import ( |
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160 bookmarks, |
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161 changegroup, |
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162 encoding, |
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163 error, |
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164 node as nodemod, |
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165 obsolete, |
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166 phases, |
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167 pushkey, |
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168 pycompat, |
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169 scmutil, |
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170 streamclone, |
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171 tags, |
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172 url, |
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173 util, |
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174 ) |
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175 from .utils import stringutil |
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176 |
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177 urlerr = util.urlerr |
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178 urlreq = util.urlreq |
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179 |
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180 _pack = struct.pack |
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181 _unpack = struct.unpack |
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182 |
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183 _fstreamparamsize = b'>i' |
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184 _fpartheadersize = b'>i' |
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185 _fparttypesize = b'>B' |
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186 _fpartid = b'>I' |
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187 _fpayloadsize = b'>i' |
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188 _fpartparamcount = b'>BB' |
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189 |
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190 preferedchunksize = 32768 |
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191 |
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192 _parttypeforbidden = re.compile(b'[^a-zA-Z0-9_:-]') |
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193 |
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194 |
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195 def outdebug(ui, message): |
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196 """debug regarding output stream (bundling)""" |
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197 if ui.configbool(b'devel', b'bundle2.debug'): |
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198 ui.debug(b'bundle2-output: %s\n' % message) |
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199 |
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200 |
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201 def indebug(ui, message): |
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202 """debug on input stream (unbundling)""" |
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203 if ui.configbool(b'devel', b'bundle2.debug'): |
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204 ui.debug(b'bundle2-input: %s\n' % message) |
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205 |
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206 |
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207 def validateparttype(parttype): |
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208 """raise ValueError if a parttype contains invalid character""" |
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209 if _parttypeforbidden.search(parttype): |
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210 raise ValueError(parttype) |
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211 |
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212 |
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213 def _makefpartparamsizes(nbparams): |
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214 """return a struct format to read part parameter sizes |
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215 |
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216 The number parameters is variable so we need to build that format |
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217 dynamically. |
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218 """ |
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219 return b'>' + (b'BB' * nbparams) |
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220 |
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221 |
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222 parthandlermapping = {} |
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223 |
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224 |
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225 def parthandler(parttype, params=()): |
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226 """decorator that register a function as a bundle2 part handler |
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227 |
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228 eg:: |
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229 |
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230 @parthandler('myparttype', ('mandatory', 'param', 'handled')) |
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231 def myparttypehandler(...): |
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232 '''process a part of type "my part".''' |
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233 ... |
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234 """ |
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235 validateparttype(parttype) |
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236 |
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237 def _decorator(func): |
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238 lparttype = parttype.lower() # enforce lower case matching. |
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239 assert lparttype not in parthandlermapping |
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240 parthandlermapping[lparttype] = func |
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241 func.params = frozenset(params) |
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242 return func |
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243 |
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244 return _decorator |
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245 |
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246 |
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247 class unbundlerecords(object): |
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248 """keep record of what happens during and unbundle |
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249 |
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250 New records are added using `records.add('cat', obj)`. Where 'cat' is a |
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251 category of record and obj is an arbitrary object. |
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252 |
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253 `records['cat']` will return all entries of this category 'cat'. |
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254 |
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255 Iterating on the object itself will yield `('category', obj)` tuples |
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256 for all entries. |
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257 |
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258 All iterations happens in chronological order. |
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259 """ |
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260 |
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261 def __init__(self): |
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262 self._categories = {} |
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263 self._sequences = [] |
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264 self._replies = {} |
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265 |
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266 def add(self, category, entry, inreplyto=None): |
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267 """add a new record of a given category. |
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268 |
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269 The entry can then be retrieved in the list returned by |
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270 self['category'].""" |
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271 self._categories.setdefault(category, []).append(entry) |
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272 self._sequences.append((category, entry)) |
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273 if inreplyto is not None: |
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274 self.getreplies(inreplyto).add(category, entry) |
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275 |
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276 def getreplies(self, partid): |
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277 """get the records that are replies to a specific part""" |
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278 return self._replies.setdefault(partid, unbundlerecords()) |
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279 |
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280 def __getitem__(self, cat): |
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281 return tuple(self._categories.get(cat, ())) |
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282 |
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283 def __iter__(self): |
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284 return iter(self._sequences) |
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285 |
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286 def __len__(self): |
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287 return len(self._sequences) |
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288 |
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289 def __nonzero__(self): |
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290 return bool(self._sequences) |
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291 |
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292 __bool__ = __nonzero__ |
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293 |
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294 |
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295 class bundleoperation(object): |
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296 """an object that represents a single bundling process |
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297 |
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298 Its purpose is to carry unbundle-related objects and states. |
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299 |
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300 A new object should be created at the beginning of each bundle processing. |
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301 The object is to be returned by the processing function. |
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302 |
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303 The object has very little content now it will ultimately contain: |
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304 * an access to the repo the bundle is applied to, |
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305 * a ui object, |
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306 * a way to retrieve a transaction to add changes to the repo, |
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307 * a way to record the result of processing each part, |
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308 * a way to construct a bundle response when applicable. |
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309 """ |
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310 |
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311 def __init__(self, repo, transactiongetter, captureoutput=True, source=b''): |
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312 self.repo = repo |
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313 self.ui = repo.ui |
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314 self.records = unbundlerecords() |
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315 self.reply = None |
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316 self.captureoutput = captureoutput |
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317 self.hookargs = {} |
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318 self._gettransaction = transactiongetter |
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319 # carries value that can modify part behavior |
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320 self.modes = {} |
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321 self.source = source |
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322 |
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323 def gettransaction(self): |
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324 transaction = self._gettransaction() |
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325 |
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326 if self.hookargs: |
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327 # the ones added to the transaction supercede those added |
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328 # to the operation. |
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329 self.hookargs.update(transaction.hookargs) |
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330 transaction.hookargs = self.hookargs |
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331 |
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332 # mark the hookargs as flushed. further attempts to add to |
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333 # hookargs will result in an abort. |
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334 self.hookargs = None |
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335 |
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336 return transaction |
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337 |
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338 def addhookargs(self, hookargs): |
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339 if self.hookargs is None: |
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340 raise error.ProgrammingError( |
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341 b'attempted to add hookargs to ' |
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342 b'operation after transaction started' |
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343 ) |
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344 self.hookargs.update(hookargs) |
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345 |
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346 |
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347 class TransactionUnavailable(RuntimeError): |
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348 pass |
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349 |
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350 |
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351 def _notransaction(): |
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352 """default method to get a transaction while processing a bundle |
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353 |
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354 Raise an exception to highlight the fact that no transaction was expected |
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355 to be created""" |
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356 raise TransactionUnavailable() |
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357 |
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358 |
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359 def applybundle(repo, unbundler, tr, source, url=None, **kwargs): |
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360 # transform me into unbundler.apply() as soon as the freeze is lifted |
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361 if isinstance(unbundler, unbundle20): |
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362 tr.hookargs[b'bundle2'] = b'1' |
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363 if source is not None and b'source' not in tr.hookargs: |
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364 tr.hookargs[b'source'] = source |
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365 if url is not None and b'url' not in tr.hookargs: |
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366 tr.hookargs[b'url'] = url |
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367 return processbundle(repo, unbundler, lambda: tr, source=source) |
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368 else: |
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369 # the transactiongetter won't be used, but we might as well set it |
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370 op = bundleoperation(repo, lambda: tr, source=source) |
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371 _processchangegroup(op, unbundler, tr, source, url, **kwargs) |
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372 return op |
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373 |
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374 |
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375 class partiterator(object): |
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376 def __init__(self, repo, op, unbundler): |
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377 self.repo = repo |
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378 self.op = op |
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379 self.unbundler = unbundler |
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380 self.iterator = None |
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381 self.count = 0 |
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382 self.current = None |
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383 |
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384 def __enter__(self): |
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385 def func(): |
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386 itr = enumerate(self.unbundler.iterparts(), 1) |
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387 for count, p in itr: |
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388 self.count = count |
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389 self.current = p |
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390 yield p |
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391 p.consume() |
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392 self.current = None |
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393 |
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394 self.iterator = func() |
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395 return self.iterator |
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396 |
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397 def __exit__(self, type, exc, tb): |
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398 if not self.iterator: |
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399 return |
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400 |
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401 # Only gracefully abort in a normal exception situation. User aborts |
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402 # like Ctrl+C throw a KeyboardInterrupt which is not a base Exception, |
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403 # and should not gracefully cleanup. |
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404 if isinstance(exc, Exception): |
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405 # Any exceptions seeking to the end of the bundle at this point are |
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406 # almost certainly related to the underlying stream being bad. |
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407 # And, chances are that the exception we're handling is related to |
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408 # getting in that bad state. So, we swallow the seeking error and |
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409 # re-raise the original error. |
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410 seekerror = False |
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411 try: |
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412 if self.current: |
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413 # consume the part content to not corrupt the stream. |
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414 self.current.consume() |
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415 |
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416 for part in self.iterator: |
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417 # consume the bundle content |
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418 part.consume() |
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419 except Exception: |
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420 seekerror = True |
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421 |
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422 # Small hack to let caller code distinguish exceptions from bundle2 |
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423 # processing from processing the old format. This is mostly needed |
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424 # to handle different return codes to unbundle according to the type |
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425 # of bundle. We should probably clean up or drop this return code |
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426 # craziness in a future version. |
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427 exc.duringunbundle2 = True |
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428 salvaged = [] |
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429 replycaps = None |
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430 if self.op.reply is not None: |
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431 salvaged = self.op.reply.salvageoutput() |
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432 replycaps = self.op.reply.capabilities |
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433 exc._replycaps = replycaps |
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434 exc._bundle2salvagedoutput = salvaged |
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435 |
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436 # Re-raising from a variable loses the original stack. So only use |
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437 # that form if we need to. |
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438 if seekerror: |
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439 raise exc |
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440 |
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441 self.repo.ui.debug( |
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442 b'bundle2-input-bundle: %i parts total\n' % self.count |
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443 ) |
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444 |
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445 |
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446 def processbundle(repo, unbundler, transactiongetter=None, op=None, source=b''): |
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447 """This function process a bundle, apply effect to/from a repo |
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448 |
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449 It iterates over each part then searches for and uses the proper handling |
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450 code to process the part. Parts are processed in order. |
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451 |
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452 Unknown Mandatory part will abort the process. |
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453 |
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454 It is temporarily possible to provide a prebuilt bundleoperation to the |
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455 function. This is used to ensure output is properly propagated in case of |
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456 an error during the unbundling. This output capturing part will likely be |
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457 reworked and this ability will probably go away in the process. |
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458 """ |
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459 if op is None: |
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460 if transactiongetter is None: |
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461 transactiongetter = _notransaction |
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462 op = bundleoperation(repo, transactiongetter, source=source) |
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463 # todo: |
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464 # - replace this is a init function soon. |
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465 # - exception catching |
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466 unbundler.params |
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467 if repo.ui.debugflag: |
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468 msg = [b'bundle2-input-bundle:'] |
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469 if unbundler.params: |
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470 msg.append(b' %i params' % len(unbundler.params)) |
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471 if op._gettransaction is None or op._gettransaction is _notransaction: |
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472 msg.append(b' no-transaction') |
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473 else: |
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474 msg.append(b' with-transaction') |
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475 msg.append(b'\n') |
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476 repo.ui.debug(b''.join(msg)) |
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477 |
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478 processparts(repo, op, unbundler) |
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479 |
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480 return op |
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481 |
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482 |
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483 def processparts(repo, op, unbundler): |
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484 with partiterator(repo, op, unbundler) as parts: |
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485 for part in parts: |
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486 _processpart(op, part) |
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487 |
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488 |
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489 def _processchangegroup(op, cg, tr, source, url, **kwargs): |
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490 ret = cg.apply(op.repo, tr, source, url, **kwargs) |
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491 op.records.add(b'changegroup', {b'return': ret,}) |
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492 return ret |
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493 |
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494 |
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495 def _gethandler(op, part): |
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496 status = b'unknown' # used by debug output |
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497 try: |
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498 handler = parthandlermapping.get(part.type) |
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499 if handler is None: |
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500 status = b'unsupported-type' |
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501 raise error.BundleUnknownFeatureError(parttype=part.type) |
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502 indebug(op.ui, b'found a handler for part %s' % part.type) |
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503 unknownparams = part.mandatorykeys - handler.params |
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504 if unknownparams: |
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505 unknownparams = list(unknownparams) |
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506 unknownparams.sort() |
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507 status = b'unsupported-params (%s)' % b', '.join(unknownparams) |
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508 raise error.BundleUnknownFeatureError( |
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509 parttype=part.type, params=unknownparams |
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510 ) |
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511 status = b'supported' |
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512 except error.BundleUnknownFeatureError as exc: |
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513 if part.mandatory: # mandatory parts |
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514 raise |
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515 indebug(op.ui, b'ignoring unsupported advisory part %s' % exc) |
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516 return # skip to part processing |
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517 finally: |
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518 if op.ui.debugflag: |
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519 msg = [b'bundle2-input-part: "%s"' % part.type] |
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520 if not part.mandatory: |
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521 msg.append(b' (advisory)') |
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522 nbmp = len(part.mandatorykeys) |
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523 nbap = len(part.params) - nbmp |
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524 if nbmp or nbap: |
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525 msg.append(b' (params:') |
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526 if nbmp: |
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527 msg.append(b' %i mandatory' % nbmp) |
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528 if nbap: |
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529 msg.append(b' %i advisory' % nbmp) |
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530 msg.append(b')') |
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531 msg.append(b' %s\n' % status) |
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532 op.ui.debug(b''.join(msg)) |
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533 |
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534 return handler |
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535 |
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536 |
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537 def _processpart(op, part): |
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538 """process a single part from a bundle |
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539 |
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540 The part is guaranteed to have been fully consumed when the function exits |
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541 (even if an exception is raised).""" |
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542 handler = _gethandler(op, part) |
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543 if handler is None: |
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544 return |
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545 |
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546 # handler is called outside the above try block so that we don't |
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547 # risk catching KeyErrors from anything other than the |
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548 # parthandlermapping lookup (any KeyError raised by handler() |
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549 # itself represents a defect of a different variety). |
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550 output = None |
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551 if op.captureoutput and op.reply is not None: |
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552 op.ui.pushbuffer(error=True, subproc=True) |
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553 output = b'' |
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554 try: |
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555 handler(op, part) |
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556 finally: |
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557 if output is not None: |
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558 output = op.ui.popbuffer() |
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559 if output: |
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560 outpart = op.reply.newpart(b'output', data=output, mandatory=False) |
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561 outpart.addparam( |
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562 b'in-reply-to', pycompat.bytestr(part.id), mandatory=False |
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563 ) |
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564 |
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565 |
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566 def decodecaps(blob): |
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567 """decode a bundle2 caps bytes blob into a dictionary |
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568 |
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569 The blob is a list of capabilities (one per line) |
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570 Capabilities may have values using a line of the form:: |
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571 |
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572 capability=value1,value2,value3 |
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573 |
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574 The values are always a list.""" |
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575 caps = {} |
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576 for line in blob.splitlines(): |
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577 if not line: |
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578 continue |
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579 if b'=' not in line: |
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580 key, vals = line, () |
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581 else: |
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582 key, vals = line.split(b'=', 1) |
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583 vals = vals.split(b',') |
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584 key = urlreq.unquote(key) |
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585 vals = [urlreq.unquote(v) for v in vals] |
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586 caps[key] = vals |
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587 return caps |
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588 |
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589 |
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590 def encodecaps(caps): |
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591 """encode a bundle2 caps dictionary into a bytes blob""" |
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592 chunks = [] |
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593 for ca in sorted(caps): |
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594 vals = caps[ca] |
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595 ca = urlreq.quote(ca) |
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596 vals = [urlreq.quote(v) for v in vals] |
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597 if vals: |
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598 ca = b"%s=%s" % (ca, b','.join(vals)) |
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599 chunks.append(ca) |
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600 return b'\n'.join(chunks) |
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601 |
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602 |
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603 bundletypes = { |
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604 b"": (b"", b'UN'), # only when using unbundle on ssh and old http servers |
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605 # since the unification ssh accepts a header but there |
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606 # is no capability signaling it. |
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607 b"HG20": (), # special-cased below |
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608 b"HG10UN": (b"HG10UN", b'UN'), |
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609 b"HG10BZ": (b"HG10", b'BZ'), |
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610 b"HG10GZ": (b"HG10GZ", b'GZ'), |
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611 } |
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612 |
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613 # hgweb uses this list to communicate its preferred type |
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614 bundlepriority = [b'HG10GZ', b'HG10BZ', b'HG10UN'] |
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615 |
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616 |
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617 class bundle20(object): |
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618 """represent an outgoing bundle2 container |
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619 |
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620 Use the `addparam` method to add stream level parameter. and `newpart` to |
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621 populate it. Then call `getchunks` to retrieve all the binary chunks of |
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622 data that compose the bundle2 container.""" |
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623 |
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624 _magicstring = b'HG20' |
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625 |
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626 def __init__(self, ui, capabilities=()): |
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627 self.ui = ui |
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628 self._params = [] |
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629 self._parts = [] |
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630 self.capabilities = dict(capabilities) |
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631 self._compengine = util.compengines.forbundletype(b'UN') |
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632 self._compopts = None |
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633 # If compression is being handled by a consumer of the raw |
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634 # data (e.g. the wire protocol), unsetting this flag tells |
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635 # consumers that the bundle is best left uncompressed. |
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636 self.prefercompressed = True |
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637 |
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638 def setcompression(self, alg, compopts=None): |
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639 """setup core part compression to <alg>""" |
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640 if alg in (None, b'UN'): |
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641 return |
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642 assert not any(n.lower() == b'compression' for n, v in self._params) |
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643 self.addparam(b'Compression', alg) |
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644 self._compengine = util.compengines.forbundletype(alg) |
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645 self._compopts = compopts |
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646 |
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647 @property |
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648 def nbparts(self): |
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649 """total number of parts added to the bundler""" |
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650 return len(self._parts) |
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651 |
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652 # methods used to defines the bundle2 content |
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653 def addparam(self, name, value=None): |
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|
654 """add a stream level parameter""" |
20813
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|
655 if not name: |
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656 raise error.ProgrammingError(b'empty parameter name') |
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657 if name[0:1] not in pycompat.bytestr( |
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658 string.ascii_letters # pytype: disable=wrong-arg-types |
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659 ): |
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660 raise error.ProgrammingError( |
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661 b'non letter first character: %s' % name |
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|
662 ) |
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663 self._params.append((name, value)) |
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664 |
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665 def addpart(self, part): |
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666 """add a new part to the bundle2 container |
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667 |
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|
668 Parts contains the actual applicative payload.""" |
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669 assert part.id is None |
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670 part.id = len(self._parts) # very cheap counter |
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671 self._parts.append(part) |
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|
672 |
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|
673 def newpart(self, typeid, *args, **kwargs): |
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|
674 """create a new part and add it to the containers |
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675 |
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676 As the part is directly added to the containers. For now, this means |
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677 that any failure to properly initialize the part after calling |
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678 ``newpart`` should result in a failure of the whole bundling process. |
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679 |
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680 You can still fall back to manually create and add if you need better |
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681 control.""" |
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682 part = bundlepart(typeid, *args, **kwargs) |
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683 self.addpart(part) |
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684 return part |
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685 |
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686 # methods used to generate the bundle2 stream |
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687 def getchunks(self): |
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688 if self.ui.debugflag: |
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689 msg = [b'bundle2-output-bundle: "%s",' % self._magicstring] |
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690 if self._params: |
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691 msg.append(b' (%i params)' % len(self._params)) |
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692 msg.append(b' %i parts total\n' % len(self._parts)) |
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693 self.ui.debug(b''.join(msg)) |
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694 outdebug(self.ui, b'start emission of %s stream' % self._magicstring) |
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695 yield self._magicstring |
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696 param = self._paramchunk() |
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697 outdebug(self.ui, b'bundle parameter: %s' % param) |
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698 yield _pack(_fstreamparamsize, len(param)) |
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699 if param: |
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700 yield param |
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701 for chunk in self._compengine.compressstream( |
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702 self._getcorechunk(), self._compopts |
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703 ): |
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704 yield chunk |
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705 |
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706 def _paramchunk(self): |
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707 """return a encoded version of all stream parameters""" |
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708 blocks = [] |
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709 for par, value in self._params: |
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710 par = urlreq.quote(par) |
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711 if value is not None: |
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712 value = urlreq.quote(value) |
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713 par = b'%s=%s' % (par, value) |
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714 blocks.append(par) |
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715 return b' '.join(blocks) |
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716 |
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717 def _getcorechunk(self): |
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718 """yield chunk for the core part of the bundle |
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719 |
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720 (all but headers and parameters)""" |
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721 outdebug(self.ui, b'start of parts') |
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722 for part in self._parts: |
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723 outdebug(self.ui, b'bundle part: "%s"' % part.type) |
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724 for chunk in part.getchunks(ui=self.ui): |
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725 yield chunk |
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726 outdebug(self.ui, b'end of bundle') |
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727 yield _pack(_fpartheadersize, 0) |
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|
728 |
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|
729 def salvageoutput(self): |
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730 """return a list with a copy of all output parts in the bundle |
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|
731 |
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|
732 This is meant to be used during error handling to make sure we preserve |
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|
733 server output""" |
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|
734 salvaged = [] |
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735 for part in self._parts: |
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736 if part.type.startswith(b'output'): |
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|
737 salvaged.append(part.copy()) |
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|
738 return salvaged |
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|
739 |
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|
740 |
21013
a813caca89b3
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diff
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|
741 class unpackermixin(object): |
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|
742 """A mixin to extract bytes and struct data from a stream""" |
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743 |
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744 def __init__(self, fp): |
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745 self._fp = fp |
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746 |
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747 def _unpack(self, format): |
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|
748 """unpack this struct format from the stream |
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|
749 |
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750 This method is meant for internal usage by the bundle2 protocol only. |
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751 They directly manipulate the low level stream including bundle2 level |
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|
752 instruction. |
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|
753 |
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|
754 Do not use it to implement higher-level logic or methods.""" |
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755 data = self._readexact(struct.calcsize(format)) |
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|
756 return _unpack(format, data) |
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|
757 |
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|
758 def _readexact(self, size): |
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759 """read exactly <size> bytes from the stream |
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|
760 |
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|
761 This method is meant for internal usage by the bundle2 protocol only. |
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|
762 They directly manipulate the low level stream including bundle2 level |
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|
763 instruction. |
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|
764 |
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|
765 Do not use it to implement higher-level logic or methods.""" |
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766 return changegroup.readexactly(self._fp, size) |
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767 |
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|
768 |
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|
769 def getunbundler(ui, fp, magicstring=None): |
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770 """return a valid unbundler object for a given magicstring""" |
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771 if magicstring is None: |
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772 magicstring = changegroup.readexactly(fp, 4) |
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773 magic, version = magicstring[0:2], magicstring[2:4] |
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|
774 if magic != b'HG': |
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parents:
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|
775 ui.debug( |
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776 b"error: invalid magic: %r (version %r), should be 'HG'\n" |
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|
777 % (magic, version) |
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|
778 ) |
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|
779 raise error.Abort(_(b'not a Mercurial bundle')) |
24648
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780 unbundlerclass = formatmap.get(version) |
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781 if unbundlerclass is None: |
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782 raise error.Abort(_(b'unknown bundle version %s') % version) |
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783 unbundler = unbundlerclass(ui, fp) |
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784 indebug(ui, b'start processing of %s stream' % magicstring) |
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785 return unbundler |
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786 |
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787 |
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788 class unbundle20(unpackermixin): |
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789 """interpret a bundle2 stream |
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790 |
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791 This class is fed with a binary stream and yields parts through its |
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792 `iterparts` methods.""" |
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793 |
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794 _magicstring = b'HG20' |
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795 |
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796 def __init__(self, ui, fp): |
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797 """If header is specified, we do not read it out of the stream.""" |
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798 self.ui = ui |
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799 self._compengine = util.compengines.forbundletype(b'UN') |
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800 self._compressed = None |
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801 super(unbundle20, self).__init__(fp) |
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802 |
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803 @util.propertycache |
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804 def params(self): |
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805 """dictionary of stream level parameters""" |
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806 indebug(self.ui, b'reading bundle2 stream parameters') |
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807 params = {} |
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808 paramssize = self._unpack(_fstreamparamsize)[0] |
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809 if paramssize < 0: |
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810 raise error.BundleValueError( |
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811 b'negative bundle param size: %i' % paramssize |
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812 ) |
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813 if paramssize: |
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814 params = self._readexact(paramssize) |
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815 params = self._processallparams(params) |
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816 return params |
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817 |
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818 def _processallparams(self, paramsblock): |
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819 """""" |
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820 params = util.sortdict() |
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821 for p in paramsblock.split(b' '): |
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822 p = p.split(b'=', 1) |
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823 p = [urlreq.unquote(i) for i in p] |
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824 if len(p) < 2: |
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825 p.append(None) |
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826 self._processparam(*p) |
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827 params[p[0]] = p[1] |
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828 return params |
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829 |
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830 def _processparam(self, name, value): |
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831 """process a parameter, applying its effect if needed |
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832 |
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833 Parameter starting with a lower case letter are advisory and will be |
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834 ignored when unknown. Those starting with an upper case letter are |
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835 mandatory and will this function will raise a KeyError when unknown. |
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836 |
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837 Note: no option are currently supported. Any input will be either |
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838 ignored or failing. |
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839 """ |
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840 if not name: |
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841 raise ValueError('empty parameter name') |
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842 if name[0:1] not in pycompat.bytestr( |
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843 string.ascii_letters # pytype: disable=wrong-arg-types |
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844 ): |
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845 raise ValueError('non letter first character: %s' % name) |
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846 try: |
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847 handler = b2streamparamsmap[name.lower()] |
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848 except KeyError: |
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849 if name[0:1].islower(): |
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850 indebug(self.ui, b"ignoring unknown parameter %s" % name) |
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851 else: |
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852 raise error.BundleUnknownFeatureError(params=(name,)) |
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853 else: |
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|
854 handler(self, name, value) |
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855 |
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856 def _forwardchunks(self): |
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857 """utility to transfer a bundle2 as binary |
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858 |
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859 This is made necessary by the fact the 'getbundle' command over 'ssh' |
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860 have no way to know then the reply end, relying on the bundle to be |
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861 interpreted to know its end. This is terrible and we are sorry, but we |
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862 needed to move forward to get general delta enabled. |
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863 """ |
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864 yield self._magicstring |
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865 assert 'params' not in vars(self) |
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866 paramssize = self._unpack(_fstreamparamsize)[0] |
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867 if paramssize < 0: |
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868 raise error.BundleValueError( |
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869 b'negative bundle param size: %i' % paramssize |
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870 ) |
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871 if paramssize: |
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872 params = self._readexact(paramssize) |
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|
873 self._processallparams(params) |
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|
874 # The payload itself is decompressed below, so drop |
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875 # the compression parameter passed down to compensate. |
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876 outparams = [] |
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877 for p in params.split(b' '): |
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878 k, v = p.split(b'=', 1) |
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879 if k.lower() != b'compression': |
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880 outparams.append(p) |
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881 outparams = b' '.join(outparams) |
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|
882 yield _pack(_fstreamparamsize, len(outparams)) |
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883 yield outparams |
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|
884 else: |
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|
885 yield _pack(_fstreamparamsize, paramssize) |
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886 # From there, payload might need to be decompressed |
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887 self._fp = self._compengine.decompressorreader(self._fp) |
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888 emptycount = 0 |
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889 while emptycount < 2: |
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890 # so we can brainlessly loop |
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891 assert _fpartheadersize == _fpayloadsize |
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892 size = self._unpack(_fpartheadersize)[0] |
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893 yield _pack(_fpartheadersize, size) |
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894 if size: |
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895 emptycount = 0 |
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896 else: |
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897 emptycount += 1 |
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|
898 continue |
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899 if size == flaginterrupt: |
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900 continue |
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901 elif size < 0: |
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902 raise error.BundleValueError(b'negative chunk size: %i') |
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903 yield self._readexact(size) |
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904 |
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905 def iterparts(self, seekable=False): |
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906 """yield all parts contained in the stream""" |
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907 cls = seekableunbundlepart if seekable else unbundlepart |
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908 # make sure param have been loaded |
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909 self.params |
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910 # From there, payload need to be decompressed |
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911 self._fp = self._compengine.decompressorreader(self._fp) |
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912 indebug(self.ui, b'start extraction of bundle2 parts') |
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913 headerblock = self._readpartheader() |
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914 while headerblock is not None: |
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915 part = cls(self.ui, headerblock, self._fp) |
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916 yield part |
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917 # Ensure part is fully consumed so we can start reading the next |
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918 # part. |
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919 part.consume() |
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920 |
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921 headerblock = self._readpartheader() |
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922 indebug(self.ui, b'end of bundle2 stream') |
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923 |
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924 def _readpartheader(self): |
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925 """reads a part header size and return the bytes blob |
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926 |
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927 returns None if empty""" |
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928 headersize = self._unpack(_fpartheadersize)[0] |
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929 if headersize < 0: |
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930 raise error.BundleValueError( |
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931 b'negative part header size: %i' % headersize |
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932 ) |
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933 indebug(self.ui, b'part header size: %i' % headersize) |
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|
934 if headersize: |
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935 return self._readexact(headersize) |
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|
936 return None |
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|
937 |
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938 def compressed(self): |
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939 self.params # load params |
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940 return self._compressed |
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941 |
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942 def close(self): |
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|
943 """close underlying file""" |
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|
944 if util.safehasattr(self._fp, 'close'): |
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|
945 return self._fp.close() |
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|
946 |
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947 |
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948 formatmap = {b'20': unbundle20} |
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diff
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|
949 |
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|
950 b2streamparamsmap = {} |
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|
951 |
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952 |
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|
953 def b2streamparamhandler(name): |
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|
954 """register a handler for a stream level parameter""" |
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|
955 |
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|
956 def decorator(func): |
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|
957 assert name not in formatmap |
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|
958 b2streamparamsmap[name] = func |
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|
959 return func |
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|
960 |
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|
961 return decorator |
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|
962 |
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963 |
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|
964 @b2streamparamhandler(b'compression') |
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|
965 def processcompression(unbundler, param, value): |
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|
966 """read compression parameter and install payload decompression""" |
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967 if value not in util.compengines.supportedbundletypes: |
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968 raise error.BundleUnknownFeatureError(params=(param,), values=(value,)) |
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|
969 unbundler._compengine = util.compengines.forbundletype(value) |
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|
970 if value is not None: |
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|
971 unbundler._compressed = True |
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|
972 |
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|
973 |
21005
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diff
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|
974 class bundlepart(object): |
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|
975 """A bundle2 part contains application level payload |
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|
976 |
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|
977 The part `type` is used to route the part to the application level |
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|
978 handler. |
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|
979 |
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|
980 The part payload is contained in ``part.data``. It could be raw bytes or a |
21605
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|
981 generator of byte chunks. |
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982 |
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|
983 You can add parameters to the part using the ``addparam`` method. |
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|
984 Parameters can be either mandatory (default) or advisory. Remote side |
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|
985 should be able to safely ignore the advisory ones. |
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|
986 |
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|
987 Both data and parameters cannot be modified after the generation has begun. |
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|
988 """ |
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|
989 |
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|
990 def __init__( |
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|
991 self, |
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992 parttype, |
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|
993 mandatoryparams=(), |
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994 advisoryparams=(), |
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995 data=b'', |
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996 mandatory=True, |
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997 ): |
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998 validateparttype(parttype) |
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999 self.id = None |
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1000 self.type = parttype |
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1001 self._data = data |
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1002 self._mandatoryparams = list(mandatoryparams) |
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1003 self._advisoryparams = list(advisoryparams) |
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1004 # checking for duplicated entries |
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1005 self._seenparams = set() |
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1006 for pname, __ in self._mandatoryparams + self._advisoryparams: |
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1007 if pname in self._seenparams: |
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1008 raise error.ProgrammingError(b'duplicated params: %s' % pname) |
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1009 self._seenparams.add(pname) |
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1010 # status of the part's generation: |
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1011 # - None: not started, |
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1012 # - False: currently generated, |
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1013 # - True: generation done. |
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1014 self._generated = None |
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1015 self.mandatory = mandatory |
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1016 |
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1017 def __repr__(self): |
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1018 cls = "%s.%s" % (self.__class__.__module__, self.__class__.__name__) |
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1019 return '<%s object at %x; id: %s; type: %s; mandatory: %s>' % ( |
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1020 cls, |
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1021 id(self), |
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1022 self.id, |
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1023 self.type, |
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1024 self.mandatory, |
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1025 ) |
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1026 |
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1027 def copy(self): |
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1028 """return a copy of the part |
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1029 |
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1030 The new part have the very same content but no partid assigned yet. |
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1031 Parts with generated data cannot be copied.""" |
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1032 assert not util.safehasattr(self.data, 'next') |
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1033 return self.__class__( |
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1034 self.type, |
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1035 self._mandatoryparams, |
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1036 self._advisoryparams, |
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1037 self._data, |
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1038 self.mandatory, |
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1039 ) |
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1040 |
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1041 # methods used to defines the part content |
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1042 @property |
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1043 def data(self): |
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1044 return self._data |
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1045 |
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1046 @data.setter |
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1047 def data(self, data): |
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1048 if self._generated is not None: |
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1049 raise error.ReadOnlyPartError(b'part is being generated') |
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1050 self._data = data |
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1051 |
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1052 @property |
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1053 def mandatoryparams(self): |
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1054 # make it an immutable tuple to force people through ``addparam`` |
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1055 return tuple(self._mandatoryparams) |
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1056 |
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1057 @property |
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1058 def advisoryparams(self): |
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1059 # make it an immutable tuple to force people through ``addparam`` |
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1060 return tuple(self._advisoryparams) |
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1061 |
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1062 def addparam(self, name, value=b'', mandatory=True): |
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1063 """add a parameter to the part |
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1064 |
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1065 If 'mandatory' is set to True, the remote handler must claim support |
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|
1066 for this parameter or the unbundling will be aborted. |
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1067 |
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1068 The 'name' and 'value' cannot exceed 255 bytes each. |
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1069 """ |
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1070 if self._generated is not None: |
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1071 raise error.ReadOnlyPartError(b'part is being generated') |
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1072 if name in self._seenparams: |
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1073 raise ValueError(b'duplicated params: %s' % name) |
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1074 self._seenparams.add(name) |
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1075 params = self._advisoryparams |
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1076 if mandatory: |
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1077 params = self._mandatoryparams |
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1078 params.append((name, value)) |
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1079 |
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1080 # methods used to generates the bundle2 stream |
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|
1081 def getchunks(self, ui): |
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1082 if self._generated is not None: |
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1083 raise error.ProgrammingError(b'part can only be consumed once') |
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1084 self._generated = False |
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1085 |
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|
1086 if ui.debugflag: |
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1087 msg = [b'bundle2-output-part: "%s"' % self.type] |
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1088 if not self.mandatory: |
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1089 msg.append(b' (advisory)') |
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1090 nbmp = len(self.mandatoryparams) |
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1091 nbap = len(self.advisoryparams) |
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|
1092 if nbmp or nbap: |
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1093 msg.append(b' (params:') |
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1094 if nbmp: |
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1095 msg.append(b' %i mandatory' % nbmp) |
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1096 if nbap: |
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1097 msg.append(b' %i advisory' % nbmp) |
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1098 msg.append(b')') |
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1099 if not self.data: |
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1100 msg.append(b' empty payload') |
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1101 elif util.safehasattr(self.data, 'next') or util.safehasattr( |
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|
1102 self.data, b'__next__' |
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1103 ): |
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1104 msg.append(b' streamed payload') |
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1105 else: |
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1106 msg.append(b' %i bytes payload' % len(self.data)) |
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1107 msg.append(b'\n') |
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1108 ui.debug(b''.join(msg)) |
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|
1109 |
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|
1110 #### header |
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Eric Sumner <ericsumner@fb.com>
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|
1111 if self.mandatory: |
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|
1112 parttype = self.type.upper() |
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|
1113 else: |
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1114 parttype = self.type.lower() |
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1115 outdebug(ui, b'part %s: "%s"' % (pycompat.bytestr(self.id), parttype)) |
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1116 ## parttype |
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1117 header = [ |
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1118 _pack(_fparttypesize, len(parttype)), |
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1119 parttype, |
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1120 _pack(_fpartid, self.id), |
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1121 ] |
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1122 ## parameters |
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1123 # count |
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1124 manpar = self.mandatoryparams |
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1125 advpar = self.advisoryparams |
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1126 header.append(_pack(_fpartparamcount, len(manpar), len(advpar))) |
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1127 # size |
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1128 parsizes = [] |
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1129 for key, value in manpar: |
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1130 parsizes.append(len(key)) |
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1131 parsizes.append(len(value)) |
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|
1132 for key, value in advpar: |
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1133 parsizes.append(len(key)) |
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1134 parsizes.append(len(value)) |
33672
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|
1135 paramsizes = _pack(_makefpartparamsizes(len(parsizes) // 2), *parsizes) |
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1136 header.append(paramsizes) |
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1137 # key, value |
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1138 for key, value in manpar: |
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1139 header.append(key) |
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1140 header.append(value) |
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1141 for key, value in advpar: |
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1142 header.append(key) |
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1143 header.append(value) |
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1144 ## finalize header |
34249
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1145 try: |
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1146 headerchunk = b''.join(header) |
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|
1147 except TypeError: |
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1148 raise TypeError( |
43506
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|
1149 'Found a non-bytes trying to ' |
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1150 'build bundle part header: %r' % header |
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1151 ) |
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1152 outdebug(ui, b'header chunk size: %i' % len(headerchunk)) |
20856
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diff
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|
1153 yield _pack(_fpartheadersize, len(headerchunk)) |
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|
1154 yield headerchunk |
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|
1155 ## payload |
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1156 try: |
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|
1157 for chunk in self._payloadchunks(): |
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1158 outdebug(ui, b'payload chunk size: %i' % len(chunk)) |
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|
1159 yield _pack(_fpayloadsize, len(chunk)) |
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|
1160 yield chunk |
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|
1161 except GeneratorExit: |
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|
1162 # GeneratorExit means that nobody is listening for our |
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1163 # results anyway, so just bail quickly rather than trying |
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|
1164 # to produce an error part. |
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1165 ui.debug(b'bundle2-generatorexit\n') |
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diff
changeset
|
1166 raise |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25641
diff
changeset
|
1167 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
|
1168 bexc = stringutil.forcebytestr(exc) |
23067
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|
1169 # backup exception data for later |
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|
1170 ui.debug( |
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|
1171 b'bundle2-input-stream-interrupt: encoding exception %s' % bexc |
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|
1172 ) |
32186
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|
1173 tb = sys.exc_info()[2] |
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1174 msg = b'unexpected error: %s' % bexc |
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|
1175 interpart = bundlepart( |
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|
1176 b'error:abort', [(b'message', msg)], mandatory=False |
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|
1177 ) |
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|
1178 interpart.id = 0 |
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|
1179 yield _pack(_fpayloadsize, -1) |
25321
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|
1180 for chunk in interpart.getchunks(ui=ui): |
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|
1181 yield chunk |
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1182 outdebug(ui, b'closing payload chunk') |
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|
1183 # abort current part payload |
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|
1184 yield _pack(_fpayloadsize, 0) |
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changeset
|
1185 pycompat.raisewithtb(exc, tb) |
21000
4cae06ae1562
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|
1186 # end of payload |
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1187 outdebug(ui, b'closing payload chunk') |
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|
1188 yield _pack(_fpayloadsize, 0) |
21601
7ff01befc7ec
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21600
diff
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|
1189 self._generated = True |
21000
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|
1190 |
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|
1191 def _payloadchunks(self): |
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|
1192 """yield chunks of a the part payload |
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1193 |
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|
1194 Exists to handle the different methods to provide data to a part.""" |
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|
1195 # we only support fixed size data now. |
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|
1196 # This will be improved in the future. |
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|
1197 if util.safehasattr(self.data, 'next') or util.safehasattr( |
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|
1198 self.data, b'__next__' |
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|
1199 ): |
21001
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|
1200 buff = util.chunkbuffer(self.data) |
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|
1201 chunk = buff.read(preferedchunksize) |
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|
1202 while chunk: |
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|
1203 yield chunk |
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|
1204 chunk = buff.read(preferedchunksize) |
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|
1205 elif len(self.data): |
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|
1206 yield self.data |
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520df53ad26a
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diff
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|
1207 |
23066
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|
1208 |
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|
1209 flaginterrupt = -1 |
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|
1210 |
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1211 |
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|
1212 class interrupthandler(unpackermixin): |
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1213 """read one part and process it with restricted capability |
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1214 |
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1215 This allows to transmit exception raised on the producer size during part |
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1216 iteration while the consumer is reading a part. |
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1217 |
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1218 Part processed in this manner only have access to a ui object,""" |
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1219 |
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1220 def __init__(self, ui, fp): |
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1221 super(interrupthandler, self).__init__(fp) |
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1222 self.ui = ui |
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1223 |
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1224 def _readpartheader(self): |
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1225 """reads a part header size and return the bytes blob |
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1226 |
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1227 returns None if empty""" |
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1228 headersize = self._unpack(_fpartheadersize)[0] |
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1229 if headersize < 0: |
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1230 raise error.BundleValueError( |
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1231 b'negative part header size: %i' % headersize |
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1232 ) |
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1233 indebug(self.ui, b'part header size: %i\n' % headersize) |
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1234 if headersize: |
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1235 return self._readexact(headersize) |
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1236 return None |
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1237 |
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1238 def __call__(self): |
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1239 |
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1240 self.ui.debug( |
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1241 b'bundle2-input-stream-interrupt: opening out of band context\n' |
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1242 ) |
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1243 indebug(self.ui, b'bundle2 stream interruption, looking for a part.') |
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1244 headerblock = self._readpartheader() |
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1245 if headerblock is None: |
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1246 indebug(self.ui, b'no part found during interruption.') |
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1247 return |
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1248 part = unbundlepart(self.ui, headerblock, self._fp) |
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1249 op = interruptoperation(self.ui) |
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1250 hardabort = False |
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1251 try: |
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1252 _processpart(op, part) |
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1253 except (SystemExit, KeyboardInterrupt): |
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1254 hardabort = True |
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1255 raise |
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1256 finally: |
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1257 if not hardabort: |
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1258 part.consume() |
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1259 self.ui.debug( |
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1260 b'bundle2-input-stream-interrupt: closing out of band context\n' |
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1261 ) |
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1262 |
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1263 |
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1264 class interruptoperation(object): |
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1265 """A limited operation to be use by part handler during interruption |
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1266 |
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1267 It only have access to an ui object. |
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1268 """ |
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1269 |
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1270 def __init__(self, ui): |
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1271 self.ui = ui |
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1272 self.reply = None |
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1273 self.captureoutput = False |
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1274 |
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1275 @property |
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1276 def repo(self): |
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1277 raise error.ProgrammingError(b'no repo access from stream interruption') |
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1278 |
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1279 def gettransaction(self): |
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1280 raise TransactionUnavailable(b'no repo access from stream interruption') |
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1281 |
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1282 |
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1283 def decodepayloadchunks(ui, fh): |
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1284 """Reads bundle2 part payload data into chunks. |
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1285 |
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1286 Part payload data consists of framed chunks. This function takes |
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1287 a file handle and emits those chunks. |
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1288 """ |
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1289 dolog = ui.configbool(b'devel', b'bundle2.debug') |
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1290 debug = ui.debug |
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|
1291 |
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1292 headerstruct = struct.Struct(_fpayloadsize) |
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1293 headersize = headerstruct.size |
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1294 unpack = headerstruct.unpack |
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1295 |
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1296 readexactly = changegroup.readexactly |
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1297 read = fh.read |
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1298 |
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1299 chunksize = unpack(readexactly(fh, headersize))[0] |
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1300 indebug(ui, b'payload chunk size: %i' % chunksize) |
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1301 |
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1302 # changegroup.readexactly() is inlined below for performance. |
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1303 while chunksize: |
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1304 if chunksize >= 0: |
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1305 s = read(chunksize) |
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1306 if len(s) < chunksize: |
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1307 raise error.Abort( |
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1308 _( |
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1309 b'stream ended unexpectedly ' |
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1310 b' (got %d bytes, expected %d)' |
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1311 ) |
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1312 % (len(s), chunksize) |
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1313 ) |
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1314 |
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1315 yield s |
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1316 elif chunksize == flaginterrupt: |
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1317 # Interrupt "signal" detected. The regular stream is interrupted |
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1318 # and a bundle2 part follows. Consume it. |
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1319 interrupthandler(ui, fh)() |
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1320 else: |
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1321 raise error.BundleValueError( |
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1322 b'negative payload chunk size: %s' % chunksize |
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1323 ) |
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1324 |
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1325 s = read(headersize) |
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1326 if len(s) < headersize: |
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1327 raise error.Abort( |
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1328 _(b'stream ended unexpectedly (got %d bytes, expected %d)') |
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1329 % (len(s), chunksize) |
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1330 ) |
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1331 |
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1332 chunksize = unpack(s)[0] |
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1333 |
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1334 # indebug() inlined for performance. |
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1335 if dolog: |
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1336 debug(b'bundle2-input: payload chunk size: %i\n' % chunksize) |
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1337 |
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1338 |
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1339 class unbundlepart(unpackermixin): |
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1340 """a bundle part read from a bundle""" |
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1341 |
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1342 def __init__(self, ui, header, fp): |
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1343 super(unbundlepart, self).__init__(fp) |
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1344 self._seekable = util.safehasattr(fp, 'seek') and util.safehasattr( |
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1345 fp, b'tell' |
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1346 ) |
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1347 self.ui = ui |
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1348 # unbundle state attr |
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1349 self._headerdata = header |
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1350 self._headeroffset = 0 |
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1351 self._initialized = False |
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1352 self.consumed = False |
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1353 # part data |
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1354 self.id = None |
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1355 self.type = None |
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1356 self.mandatoryparams = None |
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1357 self.advisoryparams = None |
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1358 self.params = None |
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1359 self.mandatorykeys = () |
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1360 self._readheader() |
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1361 self._mandatory = None |
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1362 self._pos = 0 |
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1363 |
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1364 def _fromheader(self, size): |
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1365 """return the next <size> byte from the header""" |
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1366 offset = self._headeroffset |
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1367 data = self._headerdata[offset : (offset + size)] |
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1368 self._headeroffset = offset + size |
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1369 return data |
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1370 |
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1371 def _unpackheader(self, format): |
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1372 """read given format from header |
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1373 |
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1374 This automatically compute the size of the format to read.""" |
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1375 data = self._fromheader(struct.calcsize(format)) |
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1376 return _unpack(format, data) |
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1377 |
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1378 def _initparams(self, mandatoryparams, advisoryparams): |
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1379 """internal function to setup all logic related parameters""" |
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1380 # make it read only to prevent people touching it by mistake. |
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1381 self.mandatoryparams = tuple(mandatoryparams) |
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1382 self.advisoryparams = tuple(advisoryparams) |
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1383 # user friendly UI |
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1384 self.params = util.sortdict(self.mandatoryparams) |
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1385 self.params.update(self.advisoryparams) |
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1386 self.mandatorykeys = frozenset(p[0] for p in mandatoryparams) |
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1387 |
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1388 def _readheader(self): |
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1389 """read the header and setup the object""" |
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1390 typesize = self._unpackheader(_fparttypesize)[0] |
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1391 self.type = self._fromheader(typesize) |
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1392 indebug(self.ui, b'part type: "%s"' % self.type) |
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1393 self.id = self._unpackheader(_fpartid)[0] |
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1394 indebug(self.ui, b'part id: "%s"' % pycompat.bytestr(self.id)) |
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1395 # extract mandatory bit from type |
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1396 self.mandatory = self.type != self.type.lower() |
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1397 self.type = self.type.lower() |
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1398 ## reading parameters |
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1399 # param count |
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1400 mancount, advcount = self._unpackheader(_fpartparamcount) |
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1401 indebug(self.ui, b'part parameters: %i' % (mancount + advcount)) |
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1402 # param size |
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1403 fparamsizes = _makefpartparamsizes(mancount + advcount) |
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1404 paramsizes = self._unpackheader(fparamsizes) |
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1405 # make it a list of couple again |
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1406 paramsizes = list(zip(paramsizes[::2], paramsizes[1::2])) |
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1407 # split mandatory from advisory |
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1408 mansizes = paramsizes[:mancount] |
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1409 advsizes = paramsizes[mancount:] |
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1410 # retrieve param value |
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1411 manparams = [] |
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1412 for key, value in mansizes: |
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1413 manparams.append((self._fromheader(key), self._fromheader(value))) |
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1414 advparams = [] |
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1415 for key, value in advsizes: |
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1416 advparams.append((self._fromheader(key), self._fromheader(value))) |
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1417 self._initparams(manparams, advparams) |
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1418 ## part payload |
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1419 self._payloadstream = util.chunkbuffer(self._payloadchunks()) |
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1420 # we read the data, tell it |
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1421 self._initialized = True |
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1422 |
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1423 def _payloadchunks(self): |
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1424 """Generator of decoded chunks in the payload.""" |
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1425 return decodepayloadchunks(self.ui, self._fp) |
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1426 |
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1427 def consume(self): |
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1428 """Read the part payload until completion. |
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1429 |
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1430 By consuming the part data, the underlying stream read offset will |
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1431 be advanced to the next part (or end of stream). |
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1432 """ |
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1433 if self.consumed: |
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1434 return |
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1435 |
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1436 chunk = self.read(32768) |
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|
1437 while chunk: |
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1438 self._pos += len(chunk) |
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|
1439 chunk = self.read(32768) |
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diff
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|
1440 |
21019
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diff
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|
1441 def read(self, size=None): |
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diff
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|
1442 """read payload data""" |
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diff
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|
1443 if not self._initialized: |
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diff
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|
1444 self._readheader() |
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diff
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|
1445 if size is None: |
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diff
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|
1446 data = self._payloadstream.read() |
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|
1447 else: |
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diff
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|
1448 data = self._payloadstream.read(size) |
25334
76cba1ecf55f
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parents:
25333
diff
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|
1449 self._pos += len(data) |
21019
3dc09f831a2e
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diff
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|
1450 if size is None or len(data) < size: |
25334
76cba1ecf55f
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diff
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|
1451 if not self.consumed and self._pos: |
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|
1452 self.ui.debug( |
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|
1453 b'bundle2-input-part: total payload size %i\n' % self._pos |
43076
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parents:
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|
1454 ) |
21019
3dc09f831a2e
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diff
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|
1455 self.consumed = True |
3dc09f831a2e
bundle2: lazy unbundle of part payload
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diff
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|
1456 return data |
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|
1457 |
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diff
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|
1458 |
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|
1459 class seekableunbundlepart(unbundlepart): |
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|
1460 """A bundle2 part in a bundle that is seekable. |
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|
1461 |
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|
1462 Regular ``unbundlepart`` instances can only be read once. This class |
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|
1463 extends ``unbundlepart`` to enable bi-directional seeking within the |
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1464 part. |
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|
1465 |
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|
1466 Bundle2 part data consists of framed chunks. Offsets when seeking |
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|
1467 refer to the decoded data, not the offsets in the underlying bundle2 |
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|
1468 stream. |
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|
1469 |
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|
1470 To facilitate quickly seeking within the decoded data, instances of this |
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|
1471 class maintain a mapping between offsets in the underlying stream and |
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1472 the decoded payload. This mapping will consume memory in proportion |
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1473 to the number of chunks within the payload (which almost certainly |
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1474 increases in proportion with the size of the part). |
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|
1475 """ |
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|
1476 |
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1477 def __init__(self, ui, header, fp): |
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|
1478 # (payload, file) offsets for chunk starts. |
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|
1479 self._chunkindex = [] |
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|
1480 |
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|
1481 super(seekableunbundlepart, self).__init__(ui, header, fp) |
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|
1482 |
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|
1483 def _payloadchunks(self, chunknum=0): |
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1484 '''seek to specified chunk and start yielding data''' |
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|
1485 if len(self._chunkindex) == 0: |
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|
1486 assert chunknum == 0, b'Must start with chunk 0' |
35112
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1487 self._chunkindex.append((0, self._tellfp())) |
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|
1488 else: |
41759
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40429
diff
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|
1489 assert chunknum < len(self._chunkindex), ( |
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|
1490 b'Unknown chunk %d' % chunknum |
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|
1491 ) |
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|
1492 self._seekfp(self._chunkindex[chunknum][1]) |
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|
1493 |
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|
1494 pos = self._chunkindex[chunknum][0] |
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|
1495 |
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|
1496 for chunk in decodepayloadchunks(self.ui, self._fp): |
8aa43ff9c12c
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|
1497 chunknum += 1 |
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|
1498 pos += len(chunk) |
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|
1499 if chunknum == len(self._chunkindex): |
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|
1500 self._chunkindex.append((pos, self._tellfp())) |
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diff
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|
1501 |
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|
1502 yield chunk |
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|
1503 |
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|
1504 def _findchunk(self, pos): |
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|
1505 '''for a given payload position, return a chunk number and offset''' |
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|
1506 for chunk, (ppos, fpos) in enumerate(self._chunkindex): |
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|
1507 if ppos == pos: |
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|
1508 return chunk, 0 |
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|
1509 elif ppos > pos: |
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|
1510 return chunk - 1, pos - self._chunkindex[chunk - 1][0] |
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|
1511 raise ValueError(b'Unknown chunk') |
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|
1512 |
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|
1513 def tell(self): |
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|
1514 return self._pos |
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|
1515 |
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diff
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|
1516 def seek(self, offset, whence=os.SEEK_SET): |
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|
1517 if whence == os.SEEK_SET: |
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|
1518 newpos = offset |
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|
1519 elif whence == os.SEEK_CUR: |
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|
1520 newpos = self._pos + offset |
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|
1521 elif whence == os.SEEK_END: |
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|
1522 if not self.consumed: |
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|
1523 # Can't use self.consume() here because it advances self._pos. |
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1524 chunk = self.read(32768) |
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|
1525 while chunk: |
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|
1526 chunk = self.read(32768) |
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|
1527 newpos = self._chunkindex[-1][0] - offset |
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1528 else: |
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|
1529 raise ValueError(b'Unknown whence value: %r' % (whence,)) |
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|
1530 |
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|
1531 if newpos > self._chunkindex[-1][0] and not self.consumed: |
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|
1532 # Can't use self.consume() here because it advances self._pos. |
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|
1533 chunk = self.read(32768) |
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|
1534 while chunk: |
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|
1535 chunk = self.read(32668) |
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1536 |
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|
1537 if not 0 <= newpos <= self._chunkindex[-1][0]: |
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|
1538 raise ValueError(b'Offset out of range') |
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|
1539 |
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|
1540 if self._pos != newpos: |
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|
1541 chunk, internaloffset = self._findchunk(newpos) |
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1542 self._payloadstream = util.chunkbuffer(self._payloadchunks(chunk)) |
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|
1543 adjust = self.read(internaloffset) |
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|
1544 if len(adjust) != internaloffset: |
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1545 raise error.Abort(_(b'Seek failed\n')) |
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|
1546 self._pos = newpos |
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|
1547 |
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1548 def _seekfp(self, offset, whence=0): |
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|
1549 """move the underlying file pointer |
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changeset
|
1550 |
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|
1551 This method is meant for internal usage by the bundle2 protocol only. |
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|
1552 They directly manipulate the low level stream including bundle2 level |
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diff
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|
1553 instruction. |
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diff
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|
1554 |
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diff
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|
1555 Do not use it to implement higher-level logic or methods.""" |
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|
1556 if self._seekable: |
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|
1557 return self._fp.seek(offset, whence) |
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|
1558 else: |
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|
1559 raise NotImplementedError(_(b'File pointer is not seekable')) |
31889
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diff
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|
1560 |
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diff
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|
1561 def _tellfp(self): |
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|
1562 """return the file offset, or None if file is not seekable |
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|
1563 |
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|
1564 This method is meant for internal usage by the bundle2 protocol only. |
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|
1565 They directly manipulate the low level stream including bundle2 level |
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|
1566 instruction. |
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|
1567 |
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|
1568 Do not use it to implement higher-level logic or methods.""" |
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|
1569 if self._seekable: |
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1570 try: |
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|
1571 return self._fp.tell() |
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1572 except IOError as e: |
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|
1573 if e.errno == errno.ESPIPE: |
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1574 self._seekable = False |
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1575 else: |
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|
1576 raise |
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1577 return None |
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|
1578 |
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|
1579 |
25317
5a5b7046d00e
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diff
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|
1580 # These are only the static capabilities. |
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1581 # Check the 'getrepocaps' function for the rest. |
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1582 capabilities = { |
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1583 b'HG20': (), |
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1584 b'bookmarks': (), |
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1585 b'error': (b'abort', b'unsupportedcontent', b'pushraced', b'pushkey'), |
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1586 b'listkeys': (), |
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1587 b'pushkey': (), |
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|
1588 b'digests': tuple(sorted(util.DIGESTS.keys())), |
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|
1589 b'remote-changegroup': (b'http', b'https'), |
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|
1590 b'hgtagsfnodes': (), |
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|
1591 b'rev-branch-cache': (), |
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1592 b'phases': (b'heads',), |
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|
1593 b'stream': (b'v2',), |
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|
1594 } |
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|
1595 |
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|
1596 |
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1597 def getrepocaps(repo, allowpushback=False, role=None): |
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1598 """return the bundle2 capabilities for a given repo |
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1599 |
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1600 Exists to allow extensions (like evolution) to mutate the capabilities. |
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1601 |
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1602 The returned value is used for servers advertising their capabilities as |
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1603 well as clients advertising their capabilities to servers as part of |
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1604 bundle2 requests. The ``role`` argument specifies which is which. |
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1605 """ |
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1606 if role not in (b'client', b'server'): |
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1607 raise error.ProgrammingError(b'role argument must be client or server') |
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1608 |
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|
1609 caps = capabilities.copy() |
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1610 caps[b'changegroup'] = tuple( |
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1611 sorted(changegroup.supportedincomingversions(repo)) |
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|
1612 ) |
22953
b1d694d3975e
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22661
diff
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|
1613 if obsolete.isenabled(repo, obsolete.exchangeopt): |
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1614 supportedformat = tuple(b'V%i' % v for v in obsolete.formats) |
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|
1615 caps[b'obsmarkers'] = supportedformat |
23439
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diff
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|
1616 if allowpushback: |
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1617 caps[b'pushback'] = () |
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1618 cpmode = repo.ui.config(b'server', b'concurrent-push-mode') |
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1619 if cpmode == b'check-related': |
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1620 caps[b'checkheads'] = (b'related',) |
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|
1621 if b'phases' in repo.ui.configlist(b'devel', b'legacy.exchange'): |
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|
1622 caps.pop(b'phases') |
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|
1623 |
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|
1624 # Don't advertise stream clone support in server mode if not configured. |
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1625 if role == b'server': |
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1626 streamsupported = repo.ui.configbool( |
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1627 b'server', b'uncompressed', untrusted=True |
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1628 ) |
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1629 featuresupported = repo.ui.configbool(b'server', b'bundle2.stream') |
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1630 |
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|
1631 if not streamsupported or not featuresupported: |
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1632 caps.pop(b'stream') |
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1633 # Else always advertise support on client, because payload support |
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1634 # should always be advertised. |
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1635 |
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1636 return caps |
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1637 |
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1638 |
21644
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|
1639 def bundle2caps(remote): |
23139
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|
1640 """return the bundle capabilities of a peer as dict""" |
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1641 raw = remote.capable(b'bundle2') |
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1642 if not raw and raw != b'': |
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1643 return {} |
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|
1644 capsblob = urlreq.unquote(remote.capable(b'bundle2')) |
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|
1645 return decodecaps(capsblob) |
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|
1646 |
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1647 |
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1648 def obsmarkersversion(caps): |
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|
1649 """extract the list of supported obsmarkers versions from a bundle2caps dict |
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1650 """ |
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1651 obscaps = caps.get(b'obsmarkers', ()) |
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1652 return [int(c[1:]) for c in obscaps if c.startswith(b'V')] |
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1653 |
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1654 |
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1655 def writenewbundle( |
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1656 ui, |
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1657 repo, |
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1658 source, |
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1659 filename, |
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1660 bundletype, |
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1661 outgoing, |
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1662 opts, |
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1663 vfs=None, |
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1664 compression=None, |
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1665 compopts=None, |
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1666 ): |
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1667 if bundletype.startswith(b'HG10'): |
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1668 cg = changegroup.makechangegroup(repo, outgoing, b'01', source) |
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1669 return writebundle( |
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1670 ui, |
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1671 cg, |
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1672 filename, |
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1673 bundletype, |
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1674 vfs=vfs, |
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1675 compression=compression, |
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1676 compopts=compopts, |
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1677 ) |
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1678 elif not bundletype.startswith(b'HG20'): |
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1679 raise error.ProgrammingError(b'unknown bundle type: %s' % bundletype) |
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1680 |
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1681 caps = {} |
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1682 if b'obsolescence' in opts: |
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1683 caps[b'obsmarkers'] = (b'V1',) |
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1684 bundle = bundle20(ui, caps) |
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1685 bundle.setcompression(compression, compopts) |
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1686 _addpartsfromopts(ui, repo, bundle, source, outgoing, opts) |
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1687 chunkiter = bundle.getchunks() |
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1688 |
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1689 return changegroup.writechunks(ui, chunkiter, filename, vfs=vfs) |
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1690 |
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1691 |
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1692 def _addpartsfromopts(ui, repo, bundler, source, outgoing, opts): |
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1693 # We should eventually reconcile this logic with the one behind |
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1694 # 'exchange.getbundle2partsgenerator'. |
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1695 # |
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1696 # The type of input from 'getbundle' and 'writenewbundle' are a bit |
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1697 # different right now. So we keep them separated for now for the sake of |
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1698 # simplicity. |
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1699 |
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1700 # we might not always want a changegroup in such bundle, for example in |
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1701 # stream bundles |
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1702 if opts.get(b'changegroup', True): |
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1703 cgversion = opts.get(b'cg.version') |
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1704 if cgversion is None: |
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1705 cgversion = changegroup.safeversion(repo) |
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1706 cg = changegroup.makechangegroup(repo, outgoing, cgversion, source) |
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1707 part = bundler.newpart(b'changegroup', data=cg.getchunks()) |
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1708 part.addparam(b'version', cg.version) |
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1709 if b'clcount' in cg.extras: |
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1710 part.addparam( |
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1711 b'nbchanges', b'%d' % cg.extras[b'clcount'], mandatory=False |
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1712 ) |
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1713 if opts.get(b'phases') and repo.revs( |
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1714 b'%ln and secret()', outgoing.missingheads |
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1715 ): |
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1716 part.addparam( |
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1717 b'targetphase', b'%d' % phases.secret, mandatory=False |
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1718 ) |
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|
1719 if b'exp-sidedata-flag' in repo.requirements: |
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1720 part.addparam(b'exp-sidedata', b'1') |
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1721 |
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1722 if opts.get(b'streamv2', False): |
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1723 addpartbundlestream2(bundler, repo, stream=True) |
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1724 |
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1725 if opts.get(b'tagsfnodescache', True): |
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1726 addparttagsfnodescache(repo, bundler, outgoing) |
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1727 |
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1728 if opts.get(b'revbranchcache', True): |
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|
1729 addpartrevbranchcache(repo, bundler, outgoing) |
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1730 |
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1731 if opts.get(b'obsolescence', False): |
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1732 obsmarkers = repo.obsstore.relevantmarkers(outgoing.missing) |
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1733 buildobsmarkerspart(bundler, obsmarkers) |
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1734 |
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1735 if opts.get(b'phases', False): |
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diff
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1736 headsbyphase = phases.subsetphaseheads(repo, outgoing.missing) |
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1737 phasedata = phases.binaryencode(headsbyphase) |
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1738 bundler.newpart(b'phase-heads', data=phasedata) |
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1739 |
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1740 |
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1741 def addparttagsfnodescache(repo, bundler, outgoing): |
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1742 # we include the tags fnode cache for the bundle changeset |
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1743 # (as an optional parts) |
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1744 cache = tags.hgtagsfnodescache(repo.unfiltered()) |
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1745 chunks = [] |
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1746 |
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1747 # .hgtags fnodes are only relevant for head changesets. While we could |
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1748 # transfer values for all known nodes, there will likely be little to |
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1749 # no benefit. |
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1750 # |
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1751 # We don't bother using a generator to produce output data because |
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|
1752 # a) we only have 40 bytes per head and even esoteric numbers of heads |
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1753 # consume little memory (1M heads is 40MB) b) we don't want to send the |
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|
1754 # part if we don't have entries and knowing if we have entries requires |
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1755 # cache lookups. |
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1756 for node in outgoing.missingheads: |
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1757 # Don't compute missing, as this may slow down serving. |
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|
1758 fnode = cache.getfnode(node, computemissing=False) |
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|
1759 if fnode is not None: |
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|
1760 chunks.extend([node, fnode]) |
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1761 |
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1762 if chunks: |
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1763 bundler.newpart(b'hgtagsfnodes', data=b''.join(chunks)) |
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1764 |
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1765 |
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|
1766 def addpartrevbranchcache(repo, bundler, outgoing): |
79b73be4dda5
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|
1767 # we include the rev branch cache for the bundle changeset |
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|
1768 # (as an optional parts) |
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1769 cache = repo.revbranchcache() |
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1770 cl = repo.unfiltered().changelog |
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1771 branchesdata = collections.defaultdict(lambda: (set(), set())) |
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1772 for node in outgoing.missing: |
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1773 branch, close = cache.branchinfo(cl.rev(node)) |
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1774 branchesdata[branch][close].add(node) |
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1775 |
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|
1776 def generate(): |
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1777 for branch, (nodes, closed) in sorted(branchesdata.items()): |
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1778 utf8branch = encoding.fromlocal(branch) |
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1779 yield rbcstruct.pack(len(utf8branch), len(nodes), len(closed)) |
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1780 yield utf8branch |
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|
1781 for n in sorted(nodes): |
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1782 yield n |
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1783 for n in sorted(closed): |
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1784 yield n |
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1785 |
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1786 bundler.newpart(b'cache:rev-branch-cache', data=generate(), mandatory=False) |
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1787 |
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1788 |
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1789 def _formatrequirementsspec(requirements): |
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1790 requirements = [req for req in requirements if req != b"shared"] |
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1791 return urlreq.quote(b','.join(sorted(requirements))) |
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1792 |
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1793 |
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1794 def _formatrequirementsparams(requirements): |
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1795 requirements = _formatrequirementsspec(requirements) |
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1796 params = b"%s%s" % (urlreq.quote(b"requirements="), requirements) |
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1797 return params |
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|
1798 |
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1799 |
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1800 def addpartbundlestream2(bundler, repo, **kwargs): |
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1801 if not kwargs.get('stream', False): |
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1802 return |
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|
1803 |
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1804 if not streamclone.allowservergeneration(repo): |
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1805 raise error.Abort( |
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1806 _( |
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1807 b'stream data requested but server does not allow ' |
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1808 b'this feature' |
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1809 ), |
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1810 hint=_( |
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1811 b'well-behaved clients should not be ' |
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1812 b'requesting stream data from servers not ' |
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1813 b'advertising it; the client may be buggy' |
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1814 ), |
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1815 ) |
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1816 |
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1817 # Stream clones don't compress well. And compression undermines a |
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1818 # goal of stream clones, which is to be fast. Communicate the desire |
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1819 # to avoid compression to consumers of the bundle. |
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1820 bundler.prefercompressed = False |
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1821 |
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|
1822 # get the includes and excludes |
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|
1823 includepats = kwargs.get('includepats') |
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1824 excludepats = kwargs.get('excludepats') |
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1825 |
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1826 narrowstream = repo.ui.configbool( |
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1827 b'experimental', b'server.stream-narrow-clones' |
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1828 ) |
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|
1829 |
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|
1830 if (includepats or excludepats) and not narrowstream: |
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|
1831 raise error.Abort(_(b'server does not support narrow stream clones')) |
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|
1832 |
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|
1833 includeobsmarkers = False |
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|
1834 if repo.obsstore: |
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|
1835 remoteversions = obsmarkersversion(bundler.capabilities) |
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|
1836 if not remoteversions: |
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1837 raise error.Abort( |
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1838 _( |
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1839 b'server has obsolescence markers, but client ' |
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1840 b'cannot receive them via stream clone' |
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|
1841 ) |
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1842 ) |
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|
1843 elif repo.obsstore._version in remoteversions: |
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|
1844 includeobsmarkers = True |
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1845 |
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1846 filecount, bytecount, it = streamclone.generatev2( |
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1847 repo, includepats, excludepats, includeobsmarkers |
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1848 ) |
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1849 requirements = _formatrequirementsspec(repo.requirements) |
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1850 part = bundler.newpart(b'stream2', data=it) |
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1851 part.addparam(b'bytecount', b'%d' % bytecount, mandatory=True) |
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1852 part.addparam(b'filecount', b'%d' % filecount, mandatory=True) |
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1853 part.addparam(b'requirements', requirements, mandatory=True) |
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1854 |
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1855 |
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|
1856 def buildobsmarkerspart(bundler, markers): |
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1857 """add an obsmarker part to the bundler with <markers> |
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1858 |
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1859 No part is created if markers is empty. |
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1860 Raises ValueError if the bundler doesn't support any known obsmarker format. |
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1861 """ |
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1862 if not markers: |
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1863 return None |
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1864 |
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1865 remoteversions = obsmarkersversion(bundler.capabilities) |
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|
1866 version = obsolete.commonversion(remoteversions) |
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1867 if version is None: |
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1868 raise ValueError(b'bundler does not support common obsmarker format') |
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1869 stream = obsolete.encodemarkers(markers, True, version=version) |
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1870 return bundler.newpart(b'obsmarkers', data=stream) |
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1871 |
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1872 |
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1873 def writebundle( |
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1874 ui, cg, filename, bundletype, vfs=None, compression=None, compopts=None |
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1875 ): |
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1876 """Write a bundle file and return its filename. |
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1877 |
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1878 Existing files will not be overwritten. |
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1879 If no filename is specified, a temporary file is created. |
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1880 bz2 compression can be turned off. |
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1881 The bundle file will be deleted in case of errors. |
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1882 """ |
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1883 |
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1884 if bundletype == b"HG20": |
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1885 bundle = bundle20(ui) |
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1886 bundle.setcompression(compression, compopts) |
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1887 part = bundle.newpart(b'changegroup', data=cg.getchunks()) |
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1888 part.addparam(b'version', cg.version) |
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1889 if b'clcount' in cg.extras: |
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1890 part.addparam( |
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1891 b'nbchanges', b'%d' % cg.extras[b'clcount'], mandatory=False |
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1892 ) |
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1893 chunkiter = bundle.getchunks() |
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1894 else: |
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1895 # compression argument is only for the bundle2 case |
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1896 assert compression is None |
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1897 if cg.version != b'01': |
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1898 raise error.Abort( |
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1899 _(b'old bundle types only supports v1 changegroups') |
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1900 ) |
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1901 header, comp = bundletypes[bundletype] |
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1902 if comp not in util.compengines.supportedbundletypes: |
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1903 raise error.Abort(_(b'unknown stream compression type: %s') % comp) |
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1904 compengine = util.compengines.forbundletype(comp) |
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1905 |
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1906 def chunkiter(): |
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1907 yield header |
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1908 for chunk in compengine.compressstream(cg.getchunks(), compopts): |
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1909 yield chunk |
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1910 |
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1911 chunkiter = chunkiter() |
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1912 |
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1913 # parse the changegroup data, otherwise we will block |
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1914 # in case of sshrepo because we don't know the end of the stream |
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1915 return changegroup.writechunks(ui, chunkiter, filename, vfs=vfs) |
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1916 |
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1917 |
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1918 def combinechangegroupresults(op): |
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1919 """logic to combine 0 or more addchangegroup results into one""" |
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1920 results = [r.get(b'return', 0) for r in op.records[b'changegroup']] |
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1921 changedheads = 0 |
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1922 result = 1 |
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1923 for ret in results: |
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1924 # If any changegroup result is 0, return 0 |
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1925 if ret == 0: |
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1926 result = 0 |
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1927 break |
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1928 if ret < -1: |
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1929 changedheads += ret + 1 |
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1930 elif ret > 1: |
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1931 changedheads += ret - 1 |
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1932 if changedheads > 0: |
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1933 result = 1 + changedheads |
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1934 elif changedheads < 0: |
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1935 result = -1 + changedheads |
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1936 return result |
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1937 |
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1938 |
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1939 @parthandler( |
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1940 b'changegroup', |
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1941 ( |
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1942 b'version', |
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1943 b'nbchanges', |
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1944 b'exp-sidedata', |
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1945 b'treemanifest', |
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1946 b'targetphase', |
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1947 ), |
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1948 ) |
20998
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1949 def handlechangegroup(op, inpart): |
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1950 """apply a changegroup part on the repo |
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1951 |
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1952 This is a very early implementation that will massive rework before being |
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1953 inflicted to any end-user. |
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1954 """ |
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1955 from . import localrepo |
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1956 |
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1957 tr = op.gettransaction() |
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1958 unpackerversion = inpart.params.get(b'version', b'01') |
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1959 # We should raise an appropriate exception here |
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1960 cg = changegroup.getunbundler(unpackerversion, inpart, None) |
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1961 # the source and url passed here are overwritten by the one contained in |
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1962 # the transaction.hookargs argument. So 'bundle2' is a placeholder |
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1963 nbchangesets = None |
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1964 if b'nbchanges' in inpart.params: |
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1965 nbchangesets = int(inpart.params.get(b'nbchanges')) |
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1966 if ( |
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1967 b'treemanifest' in inpart.params |
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1968 and b'treemanifest' not in op.repo.requirements |
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1969 ): |
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1970 if len(op.repo.changelog) != 0: |
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1971 raise error.Abort( |
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|
1972 _( |
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1973 b"bundle contains tree manifests, but local repo is " |
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|
1974 b"non-empty and does not use tree manifests" |
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1975 ) |
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|
1976 ) |
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1977 op.repo.requirements.add(b'treemanifest') |
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1978 op.repo.svfs.options = localrepo.resolvestorevfsoptions( |
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1979 op.repo.ui, op.repo.requirements, op.repo.features |
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1980 ) |
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1981 scmutil.writereporequirements(op.repo) |
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1982 |
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1983 bundlesidedata = bool(b'exp-sidedata' in inpart.params) |
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1984 reposidedata = bool(b'exp-sidedata-flag' in op.repo.requirements) |
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1985 if reposidedata and not bundlesidedata: |
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1986 msg = b"repository is using sidedata but the bundle source do not" |
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1987 hint = b'this is currently unsupported' |
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1988 raise error.Abort(msg, hint=hint) |
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1989 |
33407
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1990 extrakwargs = {} |
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1991 targetphase = inpart.params.get(b'targetphase') |
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1992 if targetphase is not None: |
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1993 extrakwargs['targetphase'] = int(targetphase) |
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1994 ret = _processchangegroup( |
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1995 op, |
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1996 cg, |
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1997 tr, |
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1998 b'bundle2', |
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1999 b'bundle2', |
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2000 expectedtotal=nbchangesets, |
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2001 **extrakwargs |
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2002 ) |
20998
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2003 if op.reply is not None: |
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2004 # This is definitely not the final form of this |
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2005 # return. But one need to start somewhere. |
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2006 part = op.reply.newpart(b'reply:changegroup', mandatory=False) |
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2007 part.addparam( |
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2008 b'in-reply-to', pycompat.bytestr(inpart.id), mandatory=False |
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2009 ) |
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2010 part.addparam(b'return', b'%i' % ret, mandatory=False) |
21019
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2011 assert not inpart.read() |
20950
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2012 |
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2013 |
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2014 _remotechangegroupparams = tuple( |
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2015 [b'url', b'size', b'digests'] |
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2016 + [b'digest:%s' % k for k in util.DIGESTS.keys()] |
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2017 ) |
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2018 |
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2019 |
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2020 @parthandler(b'remote-changegroup', _remotechangegroupparams) |
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2021 def handleremotechangegroup(op, inpart): |
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2022 """apply a bundle10 on the repo, given an url and validation information |
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2023 |
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2024 All the information about the remote bundle to import are given as |
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2025 parameters. The parameters include: |
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2026 - url: the url to the bundle10. |
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2027 - size: the bundle10 file size. It is used to validate what was |
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2028 retrieved by the client matches the server knowledge about the bundle. |
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2029 - digests: a space separated list of the digest types provided as |
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2030 parameters. |
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2031 - digest:<digest-type>: the hexadecimal representation of the digest with |
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2032 that name. Like the size, it is used to validate what was retrieved by |
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2033 the client matches what the server knows about the bundle. |
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|
2034 |
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2035 When multiple digest types are given, all of them are checked. |
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2036 """ |
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2037 try: |
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2038 raw_url = inpart.params[b'url'] |
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|
2039 except KeyError: |
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2040 raise error.Abort(_(b'remote-changegroup: missing "%s" param') % b'url') |
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2041 parsed_url = util.url(raw_url) |
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|
2042 if parsed_url.scheme not in capabilities[b'remote-changegroup']: |
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2043 raise error.Abort( |
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2044 _(b'remote-changegroup does not support %s urls') |
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2045 % parsed_url.scheme |
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2046 ) |
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|
2047 |
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2048 try: |
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2049 size = int(inpart.params[b'size']) |
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|
2050 except ValueError: |
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2051 raise error.Abort( |
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|
2052 _(b'remote-changegroup: invalid value for param "%s"') % b'size' |
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2053 ) |
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|
2054 except KeyError: |
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2055 raise error.Abort( |
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2056 _(b'remote-changegroup: missing "%s" param') % b'size' |
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2057 ) |
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|
2058 |
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2059 digests = {} |
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2060 for typ in inpart.params.get(b'digests', b'').split(): |
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|
2061 param = b'digest:%s' % typ |
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|
2062 try: |
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|
2063 value = inpart.params[param] |
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|
2064 except KeyError: |
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2065 raise error.Abort( |
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|
2066 _(b'remote-changegroup: missing "%s" param') % param |
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2067 ) |
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|
2068 digests[typ] = value |
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|
2069 |
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|
2070 real_part = util.digestchecker(url.open(op.ui, raw_url), size, digests) |
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|
2071 |
32930
af31d531dda0
changegroup: let callers pass in transaction to apply() (API)
Martin von Zweigbergk <martinvonz@google.com>
parents:
32892
diff
changeset
|
2072 tr = op.gettransaction() |
25919
8221fefaea08
bundle2: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
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|
2073 from . import exchange |
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2074 |
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|
2075 cg = exchange.readbundle(op.repo.ui, real_part, raw_url) |
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|
2076 if not isinstance(cg, changegroup.cg1unpacker): |
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|
2077 raise error.Abort( |
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2078 _(b'%s: not a bundle version 1.0') % util.hidepassword(raw_url) |
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2079 ) |
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2080 ret = _processchangegroup(op, cg, tr, b'bundle2', b'bundle2') |
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|
2081 if op.reply is not None: |
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|
2082 # This is definitely not the final form of this |
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|
2083 # return. But one need to start somewhere. |
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2084 part = op.reply.newpart(b'reply:changegroup') |
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2085 part.addparam( |
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|
2086 b'in-reply-to', pycompat.bytestr(inpart.id), mandatory=False |
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2087 ) |
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|
2088 part.addparam(b'return', b'%i' % ret, mandatory=False) |
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|
2089 try: |
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changeset
|
2090 real_part.validate() |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26565
diff
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|
2091 except error.Abort as e: |
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|
2092 raise error.Abort( |
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|
2093 _(b'bundle at %s is corrupted:\n%s') |
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|
2094 % (util.hidepassword(raw_url), bytes(e)) |
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|
2095 ) |
23029
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
2096 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
|
2097 |
43076
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|
2098 |
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diff
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|
2099 @parthandler(b'reply:changegroup', (b'return', b'in-reply-to')) |
22548
8a1ae133770a
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Mike Hommey <mh@glandium.org>
parents:
22390
diff
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|
2100 def handlereplychangegroup(op, inpart): |
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|
2101 ret = int(inpart.params[b'return']) |
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|
2102 replyto = int(inpart.params[b'in-reply-to']) |
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|
2103 op.records.add(b'changegroup', {b'return': ret}, replyto) |
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|
2104 |
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|
2105 |
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|
2106 @parthandler(b'check:bookmarks') |
35258
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Boris Feld <boris.feld@octobus.net>
parents:
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diff
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|
2107 def handlecheckbookmarks(op, inpart): |
dbf868623daf
bookmark: add a 'check:bookmarks' bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
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|
2108 """check location of bookmarks |
dbf868623daf
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Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
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|
2109 |
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parents:
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diff
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|
2110 This part is to be used to detect push race regarding bookmark, it |
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parents:
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diff
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|
2111 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:
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diff
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|
2112 not marks the one in the part, a PushRaced exception is raised |
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Boris Feld <boris.feld@octobus.net>
parents:
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diff
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|
2113 """ |
dbf868623daf
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parents:
35120
diff
changeset
|
2114 bookdata = bookmarks.binarydecode(inpart) |
dbf868623daf
bookmark: add a 'check:bookmarks' bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
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|
2115 |
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|
2116 msgstandard = ( |
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|
2117 b'remote repository changed while pushing - please try again ' |
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parents:
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|
2118 b'(bookmark "%s" move from %s to %s)' |
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|
2119 ) |
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|
2120 msgmissing = ( |
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|
2121 b'remote repository changed while pushing - please try again ' |
687b865b95ad
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parents:
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|
2122 b'(bookmark "%s" is missing, expected %s)' |
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|
2123 ) |
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|
2124 msgexist = ( |
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|
2125 b'remote repository changed while pushing - please try again ' |
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
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|
2126 b'(bookmark "%s" set on %s, expected missing)' |
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|
2127 ) |
35258
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Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
changeset
|
2128 for book, node in bookdata: |
dbf868623daf
bookmark: add a 'check:bookmarks' bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
changeset
|
2129 currentnode = op.repo._bookmarks.get(book) |
dbf868623daf
bookmark: add a 'check:bookmarks' bundle2 part
Boris Feld <boris.feld@octobus.net>
parents:
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diff
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|
2130 if currentnode != node: |
dbf868623daf
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Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
changeset
|
2131 if node is None: |
dbf868623daf
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Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
changeset
|
2132 finalmsg = msgexist % (book, nodemod.short(currentnode)) |
dbf868623daf
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parents:
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diff
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|
2133 elif currentnode is None: |
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Boris Feld <boris.feld@octobus.net>
parents:
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diff
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|
2134 finalmsg = msgmissing % (book, nodemod.short(node)) |
dbf868623daf
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|
2135 else: |
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|
2136 finalmsg = msgstandard % ( |
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|
2137 book, |
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|
2138 nodemod.short(node), |
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|
2139 nodemod.short(currentnode), |
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|
2140 ) |
35258
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Boris Feld <boris.feld@octobus.net>
parents:
35120
diff
changeset
|
2141 raise error.PushRaced(finalmsg) |
dbf868623daf
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Boris Feld <boris.feld@octobus.net>
parents:
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|
2142 |
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|
2143 |
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changeset
|
2144 @parthandler(b'check:heads') |
22548
8a1ae133770a
bundle2: rename functions that have the same name
Mike Hommey <mh@glandium.org>
parents:
22390
diff
changeset
|
2145 def handlecheckheads(op, inpart): |
21060
0bea9db7543b
bundle2: add a "check:heads" handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
changeset
|
2146 """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
|
2147 |
0bea9db7543b
bundle2: add a "check:heads" handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
changeset
|
2148 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
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|
2149 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
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|
2150 h = inpart.read(20) |
0bea9db7543b
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
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|
2151 heads = [] |
0bea9db7543b
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
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|
2152 while len(h) == 20: |
0bea9db7543b
bundle2: add a "check:heads" handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
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|
2153 heads.append(h) |
0bea9db7543b
bundle2: add a "check:heads" handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
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|
2154 h = inpart.read(20) |
0bea9db7543b
bundle2: add a "check:heads" handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
changeset
|
2155 assert not h |
26565
ee1bcb9aa6e4
bundle2: add op.gettransaction() to handlers that need the lock
Durham Goode <durham@fb.com>
parents:
26542
diff
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|
2156 # Trigger a transaction so that we are guaranteed to have the lock now. |
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|
2157 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
|
2158 op.gettransaction() |
29294
077d0535f51f
bundle2: don't assume ordering of heads checked after push
Mads Kiilerich <madski@unity3d.com>
parents:
28883
diff
changeset
|
2159 if sorted(heads) != sorted(op.repo.heads()): |
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|
2160 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
|
2161 b'remote repository changed while pushing - please try again' |
43076
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|
2162 ) |
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|
2163 |
21130
1ff06386217f
bundle2: introduce `replycaps` part for on-demand reply
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21129
diff
changeset
|
2164 |
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|
2165 @parthandler(b'check:updated-heads') |
32709
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Pierre-Yves David <pierre-yves.david@octobus.net>
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32516
diff
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|
2166 def handlecheckupdatedheads(op, inpart): |
16ada4cbb1a9
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Pierre-Yves David <pierre-yves.david@octobus.net>
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|
2167 """check for race on the heads touched by a push |
16ada4cbb1a9
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Pierre-Yves David <pierre-yves.david@octobus.net>
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|
2168 |
16ada4cbb1a9
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diff
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|
2169 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
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|
2170 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:
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diff
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|
2171 ignored. |
16ada4cbb1a9
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|
2172 |
16ada4cbb1a9
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|
2173 This allow server with high traffic to avoid push contention as long as |
16ada4cbb1a9
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|
2174 unrelated parts of the graph are involved.""" |
16ada4cbb1a9
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|
2175 h = inpart.read(20) |
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|
2176 heads = [] |
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|
2177 while len(h) == 20: |
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|
2178 heads.append(h) |
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|
2179 h = inpart.read(20) |
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|
2180 assert not h |
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|
2181 # trigger a transaction so that we are guaranteed to have the lock now. |
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|
2182 if op.ui.configbool(b'experimental', b'bundle2lazylocking'): |
32709
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|
2183 op.gettransaction() |
16ada4cbb1a9
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32516
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|
2184 |
16ada4cbb1a9
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changeset
|
2185 currentheads = set() |
42002
662ffdde5adf
branchcache: rename itervalues() to iterheads()
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41792
diff
changeset
|
2186 for ls in op.repo.branchmap().iterheads(): |
32709
16ada4cbb1a9
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Pierre-Yves David <pierre-yves.david@octobus.net>
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|
2187 currentheads.update(ls) |
16ada4cbb1a9
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32516
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|
2188 |
16ada4cbb1a9
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32516
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changeset
|
2189 for h in heads: |
16ada4cbb1a9
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|
2190 if h not in currentheads: |
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|
2191 raise error.PushRaced( |
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|
2192 b'remote repository changed while pushing - ' |
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|
2193 b'please try again' |
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|
2194 ) |
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|
2195 |
32709
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|
2196 |
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changeset
|
2197 @parthandler(b'check:phases') |
34820
a95067b1dca6
phase: introduce a new 'check:phases' part
Boris Feld <boris.feld@octobus.net>
parents:
34637
diff
changeset
|
2198 def handlecheckphases(op, inpart): |
a95067b1dca6
phase: introduce a new 'check:phases' part
Boris Feld <boris.feld@octobus.net>
parents:
34637
diff
changeset
|
2199 """check that phase boundaries of the repository did not change |
a95067b1dca6
phase: introduce a new 'check:phases' part
Boris Feld <boris.feld@octobus.net>
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34637
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|
2200 |
a95067b1dca6
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diff
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|
2201 This is used to detect a push race. |
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parents:
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diff
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|
2202 """ |
a95067b1dca6
phase: introduce a new 'check:phases' part
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parents:
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diff
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|
2203 phasetonodes = phases.binarydecode(inpart) |
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phase: introduce a new 'check:phases' part
Boris Feld <boris.feld@octobus.net>
parents:
34637
diff
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|
2204 unfi = op.repo.unfiltered() |
a95067b1dca6
phase: introduce a new 'check:phases' part
Boris Feld <boris.feld@octobus.net>
parents:
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diff
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|
2205 cl = unfi.changelog |
a95067b1dca6
phase: introduce a new 'check:phases' part
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parents:
34637
diff
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|
2206 phasecache = unfi._phasecache |
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2207 msg = ( |
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|
2208 b'remote repository changed while pushing - please try again ' |
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|
2209 b'(%s is %s expected %s)' |
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|
2210 ) |
34820
a95067b1dca6
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Boris Feld <boris.feld@octobus.net>
parents:
34637
diff
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|
2211 for expectedphase, nodes in enumerate(phasetonodes): |
a95067b1dca6
phase: introduce a new 'check:phases' part
Boris Feld <boris.feld@octobus.net>
parents:
34637
diff
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|
2212 for n in nodes: |
a95067b1dca6
phase: introduce a new 'check:phases' part
Boris Feld <boris.feld@octobus.net>
parents:
34637
diff
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|
2213 actualphase = phasecache.phase(unfi, cl.rev(n)) |
a95067b1dca6
phase: introduce a new 'check:phases' part
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parents:
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diff
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|
2214 if actualphase != expectedphase: |
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|
2215 finalmsg = msg % ( |
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|
2216 nodemod.short(n), |
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|
2217 phases.phasenames[actualphase], |
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|
2218 phases.phasenames[expectedphase], |
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|
2219 ) |
34820
a95067b1dca6
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parents:
34637
diff
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|
2220 raise error.PushRaced(finalmsg) |
a95067b1dca6
phase: introduce a new 'check:phases' part
Boris Feld <boris.feld@octobus.net>
parents:
34637
diff
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|
2221 |
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|
2222 |
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|
2223 @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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|
2224 def handleoutput(op, inpart): |
b7435117d951
bundle2: capture remote stdout while unbundling
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parents:
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|
2225 """forward output captured on the server to the client""" |
b7435117d951
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|
2226 for line in inpart.read().splitlines(): |
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2227 op.ui.status(_(b'remote: %s\n') % line) |
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2228 |
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|
2229 |
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|
2230 @parthandler(b'replycaps') |
21130
1ff06386217f
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21129
diff
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|
2231 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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|
2232 """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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|
2233 |
21138
f469879d27ec
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21137
diff
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|
2234 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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|
2235 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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|
2236 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
changeset
|
2237 op.reply = bundle20(op.ui, caps) |
21131
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Pierre-Yves David <pierre-yves.david@fb.com>
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|
2238 |
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|
2239 |
26829
58f1645f72c3
bundle2: attribute remote failures to remote (issue4788)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26802
diff
changeset
|
2240 class AbortFromPart(error.Abort): |
58f1645f72c3
bundle2: attribute remote failures to remote (issue4788)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26802
diff
changeset
|
2241 """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
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|
2242 |
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|
2243 |
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|
2244 @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
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|
2245 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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|
2246 """Used to transmit abort error over the wire""" |
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|
2247 raise AbortFromPart( |
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|
2248 inpart.params[b'message'], hint=inpart.params.get(b'hint') |
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|
2249 ) |
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diff
changeset
|
2250 |
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|
2251 |
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|
2252 @parthandler( |
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|
2253 b'error:pushkey', |
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parents:
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|
2254 (b'namespace', b'key', b'new', b'old', b'ret', b'in-reply-to'), |
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|
2255 ) |
25493
d8e7b0781ad7
bundle2: convey PushkeyFailed error over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25492
diff
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|
2256 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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|
2257 """Used to transmit failure of a mandatory pushkey over the wire""" |
d8e7b0781ad7
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parents:
25492
diff
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|
2258 kwargs = {} |
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diff
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|
2259 for name in (b'namespace', b'key', b'new', b'old', b'ret'): |
25493
d8e7b0781ad7
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25492
diff
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|
2260 value = inpart.params.get(name) |
d8e7b0781ad7
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parents:
25492
diff
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|
2261 if value is not None: |
d8e7b0781ad7
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parents:
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diff
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|
2262 kwargs[name] = value |
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|
2263 raise error.PushkeyFailed( |
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diff
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|
2264 inpart.params[b'in-reply-to'], **pycompat.strkwargs(kwargs) |
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|
2265 ) |
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|
2266 |
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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|
2267 |
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|
2268 @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
|
2269 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
changeset
|
2270 """Used to transmit unknown content error over the wire""" |
21622
457492741007
bundle2: support transmission of params error over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21620
diff
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|
2271 kwargs = {} |
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parents:
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diff
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|
2272 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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|
2273 if parttype is not None: |
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|
2274 kwargs[b'parttype'] = parttype |
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|
2275 params = inpart.params.get(b'params') |
21622
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parents:
21620
diff
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|
2276 if params is not None: |
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|
2277 kwargs[b'params'] = params.split(b'\0') |
21622
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bundle2: support transmission of params error over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21620
diff
changeset
|
2278 |
36427
247b473f408e
bundle2: **strkwargs love on various kwargs constructions
Augie Fackler <augie@google.com>
parents:
36273
diff
changeset
|
2279 raise error.BundleUnknownFeatureError(**pycompat.strkwargs(kwargs)) |
21186
9f3652e851f8
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21185
diff
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|
2280 |
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|
2281 |
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|
2282 @parthandler(b'error:pushraced', (b'message',)) |
24741
bb67e52362d6
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parents:
24733
diff
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|
2283 def handleerrorpushraced(op, inpart): |
21186
9f3652e851f8
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parents:
21185
diff
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|
2284 """Used to transmit push race error over the wire""" |
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|
2285 raise error.ResponseError(_(b'push failed:'), inpart.params[b'message']) |
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2286 |
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|
2287 |
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|
2288 @parthandler(b'listkeys', (b'namespace',)) |
21655
35095f332846
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parents:
21644
diff
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|
2289 def handlelistkeys(op, inpart): |
35095f332846
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21644
diff
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|
2290 """retrieve pushkey namespace content stored in a bundle2""" |
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|
2291 namespace = inpart.params[b'namespace'] |
21655
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21644
diff
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|
2292 r = pushkey.decodekeys(inpart.read()) |
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|
2293 op.records.add(b'listkeys', (namespace, r)) |
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|
2294 |
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|
2295 |
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|
2296 @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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|
2297 def handlepushkey(op, inpart): |
e87d2a12d41b
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21655
diff
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|
2298 """process a pushkey request""" |
e87d2a12d41b
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21655
diff
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|
2299 dec = pushkey.decode |
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2300 namespace = dec(inpart.params[b'namespace']) |
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|
2301 key = dec(inpart.params[b'key']) |
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|
2302 old = dec(inpart.params[b'old']) |
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|
2303 new = dec(inpart.params[b'new']) |
26565
ee1bcb9aa6e4
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26542
diff
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|
2304 # 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
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|
2305 # pushkey. |
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|
2306 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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|
2307 op.gettransaction() |
21660
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|
2308 ret = op.repo.pushkey(namespace, key, old, new) |
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2309 record = {b'namespace': namespace, b'key': key, b'old': old, b'new': new} |
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|
2310 op.records.add(b'pushkey', record) |
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2311 if op.reply is not None: |
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2312 rpart = op.reply.newpart(b'reply:pushkey') |
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|
2313 rpart.addparam( |
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2314 b'in-reply-to', pycompat.bytestr(inpart.id), mandatory=False |
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2315 ) |
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|
2316 rpart.addparam(b'return', b'%i' % ret, mandatory=False) |
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
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diff
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|
2317 if inpart.mandatory and not ret: |
25484
a5192774e925
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diff
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|
2318 kwargs = {} |
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|
2319 for key in (b'namespace', b'key', b'new', b'old', b'ret'): |
25484
a5192774e925
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diff
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|
2320 if key in inpart.params: |
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|
2321 kwargs[key] = inpart.params[key] |
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2322 raise error.PushkeyFailed( |
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2323 partid=b'%d' % inpart.id, **pycompat.strkwargs(kwargs) |
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|
2324 ) |
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|
2325 |
21660
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2326 |
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|
2327 @parthandler(b'bookmarks') |
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Boris Feld <boris.feld@octobus.net>
parents:
35259
diff
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|
2328 def handlebookmark(op, inpart): |
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|
2329 """transmit bookmark information |
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diff
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|
2330 |
35266
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2331 The part contains binary encoded bookmark information. |
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2332 |
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|
2333 The exact behavior of this part can be controlled by the 'bookmarks' mode |
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|
2334 on the bundle operation. |
35260
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|
2335 |
35266
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|
2336 When mode is 'apply' (the default) the bookmark information is applied as |
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diff
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|
2337 is to the unbundling repository. Make sure a 'check:bookmarks' part is |
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|
2338 issued earlier to check for push races in such update. This behavior is |
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|
2339 suitable for pushing. |
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|
2340 |
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|
2341 When mode is 'records', the information is recorded into the 'bookmarks' |
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|
2342 records of the bundle operation. This behavior is suitable for pulling. |
35260
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diff
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|
2343 """ |
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|
2344 changes = bookmarks.binarydecode(inpart) |
35261
f392066d127c
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diff
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|
2345 |
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2346 pushkeycompat = op.repo.ui.configbool( |
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2347 b'server', b'bookmarks-pushkey-compat' |
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2348 ) |
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|
2349 bookmarksmode = op.modes.get(b'bookmarks', b'apply') |
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2350 |
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|
2351 if bookmarksmode == b'apply': |
35266
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|
2352 tr = op.gettransaction() |
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|
2353 bookstore = op.repo._bookmarks |
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|
2354 if pushkeycompat: |
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|
2355 allhooks = [] |
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|
2356 for book, node in changes: |
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|
2357 hookargs = tr.hookargs.copy() |
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2358 hookargs[b'pushkeycompat'] = b'1' |
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2359 hookargs[b'namespace'] = b'bookmarks' |
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2360 hookargs[b'key'] = book |
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2361 hookargs[b'old'] = nodemod.hex(bookstore.get(book, b'')) |
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2362 hookargs[b'new'] = nodemod.hex( |
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|
2363 node if node is not None else b'' |
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2364 ) |
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|
2365 allhooks.append(hookargs) |
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|
2366 |
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|
2367 for hookargs in allhooks: |
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|
2368 op.repo.hook( |
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|
2369 b'prepushkey', throw=True, **pycompat.strkwargs(hookargs) |
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|
2370 ) |
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|
2371 |
44372
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44256
diff
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|
2372 for book, node in changes: |
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|
2373 if bookmarks.isdivergent(book): |
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|
2374 msg = _(b'cannot accept divergent bookmark %s!') % book |
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diff
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|
2375 raise error.Abort(msg) |
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|
2376 |
35266
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|
2377 bookstore.applychanges(op.repo, op.gettransaction(), changes) |
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|
2378 |
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|
2379 if pushkeycompat: |
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|
2380 |
43778
888bd39ed555
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parents:
43506
diff
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|
2381 def runhook(unused_success): |
35266
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|
2382 for hookargs in allhooks: |
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2383 op.repo.hook(b'pushkey', **pycompat.strkwargs(hookargs)) |
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2384 |
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|
2385 op.repo._afterlock(runhook) |
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|
2386 |
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|
2387 elif bookmarksmode == b'records': |
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|
2388 for book, node in changes: |
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2389 record = {b'bookmark': book, b'node': node} |
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2390 op.records.add(b'bookmarks', record) |
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2391 else: |
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2392 raise error.ProgrammingError( |
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2393 b'unkown bookmark mode: %s' % bookmarksmode |
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2394 ) |
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2395 |
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2396 |
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|
2397 @parthandler(b'phase-heads') |
33031
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diff
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|
2398 def handlephases(op, inpart): |
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|
2399 """apply phases from bundle part to repo""" |
34320
12c42bcd4133
phases: move the binary decoding function in the phases module
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34319
diff
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|
2400 headsbyphase = phases.binarydecode(inpart) |
34321
4ef472b975ff
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34320
diff
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|
2401 phases.updatephases(op.repo.unfiltered(), op.gettransaction, headsbyphase) |
33031
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|
2402 |
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2403 |
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2404 @parthandler(b'reply:pushkey', (b'return', b'in-reply-to')) |
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2405 def handlepushkeyreply(op, inpart): |
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2406 """retrieve the result of a pushkey request""" |
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2407 ret = int(inpart.params[b'return']) |
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2408 partid = int(inpart.params[b'in-reply-to']) |
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2409 op.records.add(b'pushkey', {b'return': ret}, partid) |
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2410 |
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2411 |
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|
2412 @parthandler(b'obsmarkers') |
22336
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21900
diff
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|
2413 def handleobsmarker(op, inpart): |
60786c8a2f70
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|
2414 """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
|
2415 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
|
2416 markerdata = inpart.read() |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2417 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
|
2418 op.ui.writenoi18n( |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2419 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
|
2420 ) |
26685
ea390d889d3a
bundle2: gracefully skip 'obsmarkers' part if evolution is disabled
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26587
diff
changeset
|
2421 # 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
|
2422 # 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
|
2423 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
|
2424 op.repo.ui.debug( |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2425 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
|
2426 ) |
26685
ea390d889d3a
bundle2: gracefully skip 'obsmarkers' part if evolution is disabled
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26587
diff
changeset
|
2427 return |
24733
c00e4338fa4b
obsolete: experimental flag to get debug about obsmarkers exchange
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24686
diff
changeset
|
2428 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
|
2429 op.repo.invalidatevolatilesets() |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2430 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
|
2431 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
|
2432 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
|
2433 rpart.addparam( |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2434 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
|
2435 ) |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2436 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
|
2437 |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2438 |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2439 @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
|
2440 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
|
2441 """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
|
2442 ret = int(inpart.params[b'new']) |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2443 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
|
2444 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
|
2445 |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2446 |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2447 @parthandler(b'hgtagsfnodes') |
25401
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2448 def handlehgtagsfnodes(op, inpart): |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2449 """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
|
2450 |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2451 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
|
2452 """ |
26565
ee1bcb9aa6e4
bundle2: add op.gettransaction() to handlers that need the lock
Durham Goode <durham@fb.com>
parents:
26542
diff
changeset
|
2453 # 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
|
2454 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
|
2455 op.gettransaction() |
25401
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2456 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
|
2457 |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2458 count = 0 |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2459 while True: |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2460 node = inpart.read(20) |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2461 fnode = inpart.read(20) |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2462 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
|
2463 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
|
2464 break |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2465 cache.setfnode(node, fnode) |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2466 count += 1 |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2467 |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2468 cache.write() |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2469 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
|
2470 |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2471 |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2472 rbcstruct = struct.Struct(b'>III') |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2473 |
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 @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
|
2476 def handlerbc(op, inpart): |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2477 """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
|
2478 |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2479 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
|
2480 |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2481 1) branch name length |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2482 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
|
2483 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
|
2484 4) open heads nodes |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2485 5) closed heads nodes |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2486 """ |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2487 total = 0 |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2488 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
|
2489 cache = op.repo.revbranchcache() |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2490 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
|
2491 while rawheader: |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2492 header = rbcstruct.unpack(rawheader) |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2493 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
|
2494 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
|
2495 branch = encoding.tolocal(utf8branch) |
38783
e7aa113b14f7
global: use pycompat.xrange()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38701
diff
changeset
|
2496 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
|
2497 node = inpart.read(20) |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2498 rev = cl.rev(node) |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2499 cache.setdata(branch, rev, node, False) |
38783
e7aa113b14f7
global: use pycompat.xrange()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38701
diff
changeset
|
2500 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
|
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, True) |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2504 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
|
2505 cache.write() |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2506 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
2507 |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2508 @parthandler(b'pushvars') |
33693
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2509 def bundle2getvars(op, part): |
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2510 '''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
|
2511 # 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
|
2512 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
|
2513 hookargs = {} |
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2514 for key, value in part.advisoryparams: |
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2515 key = key.upper() |
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2516 # 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
|
2517 # 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
|
2518 key = b"USERVAR_" + key |
33693
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2519 hookargs[key] = value |
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2520 op.addhookargs(hookargs) |
35758
b996ddf5963d
bundle2: add a 'stream' part handler for stream cloning
Boris Feld <boris.feld@octobus.net>
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2521 |
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2522 |
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2523 @parthandler(b'stream2', (b'requirements', b'filecount', b'bytecount')) |
35788
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bundle2: move version of stream clone into part name
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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2524 def handlestreamv2bundle(op, part): |
35758
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bundle2: add a 'stream' part handler for stream cloning
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parents:
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2525 |
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2526 requirements = urlreq.unquote(part.params[b'requirements']).split(b',') |
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2527 filecount = int(part.params[b'filecount']) |
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2528 bytecount = int(part.params[b'bytecount']) |
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2529 |
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2530 repo = op.repo |
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2531 if len(repo): |
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2532 msg = _(b'cannot apply stream clone to non empty repository') |
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parents:
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2533 raise error.Abort(msg) |
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2534 |
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2535 repo.ui.debug(b'applying stream bundle\n') |
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2536 streamclone.applybundlev2(repo, part, filecount, bytecount, requirements) |
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2537 |
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2538 |
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2539 def widen_bundle( |
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2540 bundler, repo, oldmatcher, newmatcher, common, known, cgversion, ellipses |
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2541 ): |
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2542 """generates bundle2 for widening a narrow clone |
1ea80ac13f19
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2543 |
42417
a97b12f726e4
narrow: pass the bundle to bundle2.widen_bundle() instead of generating there
Pulkit Goyal <7895pulkit@gmail.com>
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2544 bundler is the bundle to which data should be added |
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2545 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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2546 oldmatcher matches what the client already has |
2c5835b4246b
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Martin von Zweigbergk <martinvonz@google.com>
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2547 newmatcher matches what the client needs (including what it already has) |
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2548 common is set of common heads between server and client |
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2549 known is a set of revs known on the client side (used in ellipses) |
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2550 cgversion is the changegroup version to send |
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2551 ellipses is boolean value telling whether to send ellipses data or not |
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2552 |
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2553 returns bundle2 of the data required for extending |
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2554 """ |
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2555 commonnodes = set() |
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2556 cl = repo.changelog |
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2557 for r in repo.revs(b"::%ln", common): |
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2558 commonnodes.add(cl.node(r)) |
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2559 if commonnodes: |
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2560 # XXX: we should only send the filelogs (and treemanifest). user |
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2561 # already has the changelog and manifest |
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2562 packer = changegroup.getbundler( |
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2563 cgversion, |
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2564 repo, |
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2565 oldmatcher=oldmatcher, |
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2566 matcher=newmatcher, |
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2567 fullnodes=commonnodes, |
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2568 ) |
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2569 cgdata = packer.generate( |
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2570 {nodemod.nullid}, |
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2571 list(commonnodes), |
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2572 False, |
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2573 b'narrow_widen', |
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2574 changelog=False, |
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2575 ) |
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2576 |
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2577 part = bundler.newpart(b'changegroup', data=cgdata) |
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2578 part.addparam(b'version', cgversion) |
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2579 if b'treemanifest' in repo.requirements: |
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2580 part.addparam(b'treemanifest', b'1') |
43131
c17a63eb5d4c
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43117
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|
2581 if b'exp-sidedata-flag' in repo.requirements: |
c17a63eb5d4c
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|
2582 part.addparam(b'exp-sidedata', b'1') |
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2583 |
1ea80ac13f19
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2584 return bundler |