Mercurial > hg
annotate mercurial/bundle2.py @ 43131:c17a63eb5d4c
sidedata: apply basic but tight security around exchange
We don't currently have code to deal with exchange between repository using
sidedata and repository not using sidedata. Until we implement such code (eg:
dropping side data when pushing to a non-sidedata repo) we prevent the two kind
of repo to speak to each other. This is somewhere similar to what 'treemanifest'
does.
Note that sidedata exchange is broken unless one use changegroup v3 anyway. See
next changeset for details.
Differential Revision: https://phab.mercurial-scm.org/D6939
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Sun, 06 Oct 2019 23:36:51 -0400 |
parents | 8ff1ecfadcd1 |
children | be384a2052aa ea25b4673231 |
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 streamclone, |
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170 tags, |
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171 url, |
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172 util, |
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173 ) |
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174 from .utils import stringutil |
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175 |
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176 urlerr = util.urlerr |
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177 urlreq = util.urlreq |
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178 |
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179 _pack = struct.pack |
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180 _unpack = struct.unpack |
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181 |
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182 _fstreamparamsize = b'>i' |
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183 _fpartheadersize = b'>i' |
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184 _fparttypesize = b'>B' |
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185 _fpartid = b'>I' |
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186 _fpayloadsize = b'>i' |
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187 _fpartparamcount = b'>BB' |
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188 |
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189 preferedchunksize = 32768 |
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190 |
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191 _parttypeforbidden = re.compile(b'[^a-zA-Z0-9_:-]') |
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192 |
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193 |
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194 def outdebug(ui, message): |
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195 """debug regarding output stream (bundling)""" |
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196 if ui.configbool(b'devel', b'bundle2.debug'): |
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197 ui.debug(b'bundle2-output: %s\n' % message) |
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198 |
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199 |
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200 def indebug(ui, message): |
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201 """debug on input stream (unbundling)""" |
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202 if ui.configbool(b'devel', b'bundle2.debug'): |
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203 ui.debug(b'bundle2-input: %s\n' % message) |
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204 |
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205 |
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206 def validateparttype(parttype): |
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207 """raise ValueError if a parttype contains invalid character""" |
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208 if _parttypeforbidden.search(parttype): |
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209 raise ValueError(parttype) |
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210 |
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211 |
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212 def _makefpartparamsizes(nbparams): |
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213 """return a struct format to read part parameter sizes |
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214 |
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215 The number parameters is variable so we need to build that format |
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216 dynamically. |
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217 """ |
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218 return b'>' + (b'BB' * nbparams) |
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219 |
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220 |
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221 parthandlermapping = {} |
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222 |
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223 |
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224 def parthandler(parttype, params=()): |
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225 """decorator that register a function as a bundle2 part handler |
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226 |
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227 eg:: |
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228 |
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229 @parthandler('myparttype', ('mandatory', 'param', 'handled')) |
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230 def myparttypehandler(...): |
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231 '''process a part of type "my part".''' |
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232 ... |
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233 """ |
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234 validateparttype(parttype) |
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235 |
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236 def _decorator(func): |
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237 lparttype = parttype.lower() # enforce lower case matching. |
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238 assert lparttype not in parthandlermapping |
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239 parthandlermapping[lparttype] = func |
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240 func.params = frozenset(params) |
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241 return func |
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242 |
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243 return _decorator |
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244 |
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245 |
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246 class unbundlerecords(object): |
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247 """keep record of what happens during and unbundle |
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248 |
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249 New records are added using `records.add('cat', obj)`. Where 'cat' is a |
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250 category of record and obj is an arbitrary object. |
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251 |
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252 `records['cat']` will return all entries of this category 'cat'. |
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253 |
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254 Iterating on the object itself will yield `('category', obj)` tuples |
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255 for all entries. |
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256 |
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257 All iterations happens in chronological order. |
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258 """ |
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259 |
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260 def __init__(self): |
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261 self._categories = {} |
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262 self._sequences = [] |
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263 self._replies = {} |
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264 |
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265 def add(self, category, entry, inreplyto=None): |
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266 """add a new record of a given category. |
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267 |
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268 The entry can then be retrieved in the list returned by |
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269 self['category'].""" |
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270 self._categories.setdefault(category, []).append(entry) |
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271 self._sequences.append((category, entry)) |
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272 if inreplyto is not None: |
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273 self.getreplies(inreplyto).add(category, entry) |
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274 |
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275 def getreplies(self, partid): |
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276 """get the records that are replies to a specific part""" |
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277 return self._replies.setdefault(partid, unbundlerecords()) |
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278 |
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279 def __getitem__(self, cat): |
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280 return tuple(self._categories.get(cat, ())) |
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281 |
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282 def __iter__(self): |
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283 return iter(self._sequences) |
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284 |
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285 def __len__(self): |
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286 return len(self._sequences) |
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287 |
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288 def __nonzero__(self): |
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289 return bool(self._sequences) |
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290 |
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291 __bool__ = __nonzero__ |
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292 |
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293 |
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294 class bundleoperation(object): |
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295 """an object that represents a single bundling process |
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296 |
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297 Its purpose is to carry unbundle-related objects and states. |
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298 |
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299 A new object should be created at the beginning of each bundle processing. |
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300 The object is to be returned by the processing function. |
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301 |
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302 The object has very little content now it will ultimately contain: |
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303 * an access to the repo the bundle is applied to, |
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304 * a ui object, |
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305 * a way to retrieve a transaction to add changes to the repo, |
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306 * a way to record the result of processing each part, |
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307 * a way to construct a bundle response when applicable. |
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308 """ |
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309 |
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310 def __init__(self, repo, transactiongetter, captureoutput=True, source=b''): |
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311 self.repo = repo |
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312 self.ui = repo.ui |
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313 self.records = unbundlerecords() |
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314 self.reply = None |
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315 self.captureoutput = captureoutput |
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316 self.hookargs = {} |
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317 self._gettransaction = transactiongetter |
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318 # carries value that can modify part behavior |
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319 self.modes = {} |
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320 self.source = source |
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321 |
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322 def gettransaction(self): |
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323 transaction = self._gettransaction() |
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324 |
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325 if self.hookargs: |
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326 # the ones added to the transaction supercede those added |
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327 # to the operation. |
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328 self.hookargs.update(transaction.hookargs) |
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329 transaction.hookargs = self.hookargs |
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330 |
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331 # mark the hookargs as flushed. further attempts to add to |
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332 # hookargs will result in an abort. |
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333 self.hookargs = None |
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334 |
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335 return transaction |
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336 |
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337 def addhookargs(self, hookargs): |
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338 if self.hookargs is None: |
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339 raise error.ProgrammingError( |
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340 b'attempted to add hookargs to ' |
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341 b'operation after transaction started' |
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342 ) |
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343 self.hookargs.update(hookargs) |
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344 |
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345 |
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346 class TransactionUnavailable(RuntimeError): |
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347 pass |
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348 |
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349 |
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350 def _notransaction(): |
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351 """default method to get a transaction while processing a bundle |
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352 |
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353 Raise an exception to highlight the fact that no transaction was expected |
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354 to be created""" |
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355 raise TransactionUnavailable() |
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356 |
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357 |
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358 def applybundle(repo, unbundler, tr, source, url=None, **kwargs): |
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359 # transform me into unbundler.apply() as soon as the freeze is lifted |
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360 if isinstance(unbundler, unbundle20): |
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361 tr.hookargs[b'bundle2'] = b'1' |
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362 if source is not None and b'source' not in tr.hookargs: |
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363 tr.hookargs[b'source'] = source |
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364 if url is not None and b'url' not in tr.hookargs: |
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365 tr.hookargs[b'url'] = url |
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366 return processbundle(repo, unbundler, lambda: tr, source=source) |
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367 else: |
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368 # the transactiongetter won't be used, but we might as well set it |
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369 op = bundleoperation(repo, lambda: tr, source=source) |
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370 _processchangegroup(op, unbundler, tr, source, url, **kwargs) |
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371 return op |
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372 |
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373 |
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374 class partiterator(object): |
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375 def __init__(self, repo, op, unbundler): |
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376 self.repo = repo |
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377 self.op = op |
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378 self.unbundler = unbundler |
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379 self.iterator = None |
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380 self.count = 0 |
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381 self.current = None |
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382 |
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383 def __enter__(self): |
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384 def func(): |
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385 itr = enumerate(self.unbundler.iterparts(), 1) |
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386 for count, p in itr: |
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387 self.count = count |
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388 self.current = p |
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389 yield p |
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390 p.consume() |
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391 self.current = None |
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392 |
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393 self.iterator = func() |
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394 return self.iterator |
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395 |
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396 def __exit__(self, type, exc, tb): |
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397 if not self.iterator: |
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398 return |
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399 |
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400 # Only gracefully abort in a normal exception situation. User aborts |
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401 # like Ctrl+C throw a KeyboardInterrupt which is not a base Exception, |
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402 # and should not gracefully cleanup. |
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403 if isinstance(exc, Exception): |
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404 # Any exceptions seeking to the end of the bundle at this point are |
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405 # almost certainly related to the underlying stream being bad. |
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406 # And, chances are that the exception we're handling is related to |
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407 # getting in that bad state. So, we swallow the seeking error and |
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408 # re-raise the original error. |
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409 seekerror = False |
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410 try: |
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411 if self.current: |
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412 # consume the part content to not corrupt the stream. |
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413 self.current.consume() |
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414 |
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415 for part in self.iterator: |
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416 # consume the bundle content |
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417 part.consume() |
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418 except Exception: |
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419 seekerror = True |
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420 |
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421 # Small hack to let caller code distinguish exceptions from bundle2 |
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422 # processing from processing the old format. This is mostly needed |
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423 # to handle different return codes to unbundle according to the type |
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424 # of bundle. We should probably clean up or drop this return code |
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425 # craziness in a future version. |
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426 exc.duringunbundle2 = True |
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427 salvaged = [] |
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428 replycaps = None |
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429 if self.op.reply is not None: |
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430 salvaged = self.op.reply.salvageoutput() |
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431 replycaps = self.op.reply.capabilities |
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432 exc._replycaps = replycaps |
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433 exc._bundle2salvagedoutput = salvaged |
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434 |
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435 # Re-raising from a variable loses the original stack. So only use |
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436 # that form if we need to. |
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437 if seekerror: |
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438 raise exc |
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439 |
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440 self.repo.ui.debug( |
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441 b'bundle2-input-bundle: %i parts total\n' % self.count |
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442 ) |
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443 |
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444 |
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445 def processbundle(repo, unbundler, transactiongetter=None, op=None, source=b''): |
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446 """This function process a bundle, apply effect to/from a repo |
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447 |
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448 It iterates over each part then searches for and uses the proper handling |
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449 code to process the part. Parts are processed in order. |
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450 |
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451 Unknown Mandatory part will abort the process. |
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452 |
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453 It is temporarily possible to provide a prebuilt bundleoperation to the |
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454 function. This is used to ensure output is properly propagated in case of |
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455 an error during the unbundling. This output capturing part will likely be |
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456 reworked and this ability will probably go away in the process. |
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457 """ |
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458 if op is None: |
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459 if transactiongetter is None: |
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460 transactiongetter = _notransaction |
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461 op = bundleoperation(repo, transactiongetter, source=source) |
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462 # todo: |
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463 # - replace this is a init function soon. |
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464 # - exception catching |
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465 unbundler.params |
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466 if repo.ui.debugflag: |
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467 msg = [b'bundle2-input-bundle:'] |
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468 if unbundler.params: |
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469 msg.append(b' %i params' % len(unbundler.params)) |
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470 if op._gettransaction is None or op._gettransaction is _notransaction: |
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471 msg.append(b' no-transaction') |
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472 else: |
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473 msg.append(b' with-transaction') |
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474 msg.append(b'\n') |
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475 repo.ui.debug(b''.join(msg)) |
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476 |
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477 processparts(repo, op, unbundler) |
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478 |
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479 return op |
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480 |
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481 |
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482 def processparts(repo, op, unbundler): |
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483 with partiterator(repo, op, unbundler) as parts: |
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484 for part in parts: |
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485 _processpart(op, part) |
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486 |
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487 |
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488 def _processchangegroup(op, cg, tr, source, url, **kwargs): |
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489 ret = cg.apply(op.repo, tr, source, url, **kwargs) |
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490 op.records.add(b'changegroup', {b'return': ret,}) |
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491 return ret |
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492 |
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493 |
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494 def _gethandler(op, part): |
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495 status = b'unknown' # used by debug output |
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496 try: |
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497 handler = parthandlermapping.get(part.type) |
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498 if handler is None: |
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499 status = b'unsupported-type' |
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500 raise error.BundleUnknownFeatureError(parttype=part.type) |
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501 indebug(op.ui, b'found a handler for part %s' % part.type) |
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502 unknownparams = part.mandatorykeys - handler.params |
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503 if unknownparams: |
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504 unknownparams = list(unknownparams) |
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505 unknownparams.sort() |
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506 status = b'unsupported-params (%s)' % b', '.join(unknownparams) |
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507 raise error.BundleUnknownFeatureError( |
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508 parttype=part.type, params=unknownparams |
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509 ) |
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510 status = b'supported' |
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511 except error.BundleUnknownFeatureError as exc: |
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512 if part.mandatory: # mandatory parts |
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513 raise |
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514 indebug(op.ui, b'ignoring unsupported advisory part %s' % exc) |
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515 return # skip to part processing |
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516 finally: |
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517 if op.ui.debugflag: |
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518 msg = [b'bundle2-input-part: "%s"' % part.type] |
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519 if not part.mandatory: |
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520 msg.append(b' (advisory)') |
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521 nbmp = len(part.mandatorykeys) |
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522 nbap = len(part.params) - nbmp |
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523 if nbmp or nbap: |
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524 msg.append(b' (params:') |
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525 if nbmp: |
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526 msg.append(b' %i mandatory' % nbmp) |
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527 if nbap: |
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528 msg.append(b' %i advisory' % nbmp) |
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529 msg.append(b')') |
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530 msg.append(b' %s\n' % status) |
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531 op.ui.debug(b''.join(msg)) |
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532 |
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533 return handler |
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534 |
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535 |
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536 def _processpart(op, part): |
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537 """process a single part from a bundle |
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538 |
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539 The part is guaranteed to have been fully consumed when the function exits |
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540 (even if an exception is raised).""" |
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541 handler = _gethandler(op, part) |
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542 if handler is None: |
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543 return |
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544 |
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545 # handler is called outside the above try block so that we don't |
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546 # risk catching KeyErrors from anything other than the |
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547 # parthandlermapping lookup (any KeyError raised by handler() |
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548 # itself represents a defect of a different variety). |
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549 output = None |
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550 if op.captureoutput and op.reply is not None: |
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551 op.ui.pushbuffer(error=True, subproc=True) |
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552 output = b'' |
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553 try: |
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554 handler(op, part) |
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555 finally: |
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556 if output is not None: |
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557 output = op.ui.popbuffer() |
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558 if output: |
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559 outpart = op.reply.newpart(b'output', data=output, mandatory=False) |
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560 outpart.addparam( |
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561 b'in-reply-to', pycompat.bytestr(part.id), mandatory=False |
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562 ) |
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563 |
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564 |
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565 def decodecaps(blob): |
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566 """decode a bundle2 caps bytes blob into a dictionary |
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567 |
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568 The blob is a list of capabilities (one per line) |
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569 Capabilities may have values using a line of the form:: |
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570 |
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571 capability=value1,value2,value3 |
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572 |
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573 The values are always a list.""" |
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574 caps = {} |
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575 for line in blob.splitlines(): |
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576 if not line: |
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577 continue |
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578 if b'=' not in line: |
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579 key, vals = line, () |
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580 else: |
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581 key, vals = line.split(b'=', 1) |
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582 vals = vals.split(b',') |
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583 key = urlreq.unquote(key) |
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584 vals = [urlreq.unquote(v) for v in vals] |
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585 caps[key] = vals |
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586 return caps |
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587 |
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588 |
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589 def encodecaps(caps): |
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590 """encode a bundle2 caps dictionary into a bytes blob""" |
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591 chunks = [] |
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592 for ca in sorted(caps): |
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593 vals = caps[ca] |
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594 ca = urlreq.quote(ca) |
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595 vals = [urlreq.quote(v) for v in vals] |
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596 if vals: |
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597 ca = b"%s=%s" % (ca, b','.join(vals)) |
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598 chunks.append(ca) |
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599 return b'\n'.join(chunks) |
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600 |
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601 |
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602 bundletypes = { |
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603 b"": (b"", b'UN'), # only when using unbundle on ssh and old http servers |
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604 # since the unification ssh accepts a header but there |
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605 # is no capability signaling it. |
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606 b"HG20": (), # special-cased below |
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607 b"HG10UN": (b"HG10UN", b'UN'), |
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608 b"HG10BZ": (b"HG10", b'BZ'), |
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609 b"HG10GZ": (b"HG10GZ", b'GZ'), |
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610 } |
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611 |
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612 # hgweb uses this list to communicate its preferred type |
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613 bundlepriority = [b'HG10GZ', b'HG10BZ', b'HG10UN'] |
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614 |
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615 |
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616 class bundle20(object): |
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617 """represent an outgoing bundle2 container |
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618 |
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619 Use the `addparam` method to add stream level parameter. and `newpart` to |
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620 populate it. Then call `getchunks` to retrieve all the binary chunks of |
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621 data that compose the bundle2 container.""" |
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622 |
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623 _magicstring = b'HG20' |
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624 |
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625 def __init__(self, ui, capabilities=()): |
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626 self.ui = ui |
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627 self._params = [] |
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628 self._parts = [] |
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629 self.capabilities = dict(capabilities) |
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630 self._compengine = util.compengines.forbundletype(b'UN') |
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631 self._compopts = None |
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632 # If compression is being handled by a consumer of the raw |
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633 # data (e.g. the wire protocol), unsetting this flag tells |
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634 # consumers that the bundle is best left uncompressed. |
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635 self.prefercompressed = True |
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636 |
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637 def setcompression(self, alg, compopts=None): |
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638 """setup core part compression to <alg>""" |
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639 if alg in (None, b'UN'): |
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640 return |
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641 assert not any(n.lower() == b'compression' for n, v in self._params) |
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642 self.addparam(b'Compression', alg) |
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643 self._compengine = util.compengines.forbundletype(alg) |
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644 self._compopts = compopts |
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645 |
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646 @property |
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647 def nbparts(self): |
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648 """total number of parts added to the bundler""" |
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649 return len(self._parts) |
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650 |
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651 # methods used to defines the bundle2 content |
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652 def addparam(self, name, value=None): |
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653 """add a stream level parameter""" |
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654 if not name: |
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655 raise error.ProgrammingError(b'empty parameter name') |
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656 if name[0:1] not in pycompat.bytestr(string.ascii_letters): |
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657 raise error.ProgrammingError( |
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658 b'non letter first character: %s' % name |
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659 ) |
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660 self._params.append((name, value)) |
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661 |
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662 def addpart(self, part): |
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663 """add a new part to the bundle2 container |
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664 |
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665 Parts contains the actual applicative payload.""" |
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666 assert part.id is None |
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667 part.id = len(self._parts) # very cheap counter |
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668 self._parts.append(part) |
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669 |
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670 def newpart(self, typeid, *args, **kwargs): |
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671 """create a new part and add it to the containers |
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672 |
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673 As the part is directly added to the containers. For now, this means |
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674 that any failure to properly initialize the part after calling |
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675 ``newpart`` should result in a failure of the whole bundling process. |
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676 |
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677 You can still fall back to manually create and add if you need better |
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678 control.""" |
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679 part = bundlepart(typeid, *args, **kwargs) |
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680 self.addpart(part) |
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681 return part |
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|
682 |
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683 # methods used to generate the bundle2 stream |
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684 def getchunks(self): |
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685 if self.ui.debugflag: |
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686 msg = [b'bundle2-output-bundle: "%s",' % self._magicstring] |
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687 if self._params: |
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688 msg.append(b' (%i params)' % len(self._params)) |
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689 msg.append(b' %i parts total\n' % len(self._parts)) |
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690 self.ui.debug(b''.join(msg)) |
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691 outdebug(self.ui, b'start emission of %s stream' % self._magicstring) |
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692 yield self._magicstring |
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693 param = self._paramchunk() |
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694 outdebug(self.ui, b'bundle parameter: %s' % param) |
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695 yield _pack(_fstreamparamsize, len(param)) |
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696 if param: |
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697 yield param |
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698 for chunk in self._compengine.compressstream( |
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699 self._getcorechunk(), self._compopts |
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700 ): |
30357
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|
701 yield chunk |
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702 |
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703 def _paramchunk(self): |
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704 """return a encoded version of all stream parameters""" |
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705 blocks = [] |
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706 for par, value in self._params: |
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707 par = urlreq.quote(par) |
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708 if value is not None: |
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709 value = urlreq.quote(value) |
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710 par = b'%s=%s' % (par, value) |
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711 blocks.append(par) |
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712 return b' '.join(blocks) |
20804
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|
713 |
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|
714 def _getcorechunk(self): |
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715 """yield chunk for the core part of the bundle |
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716 |
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717 (all but headers and parameters)""" |
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718 outdebug(self.ui, b'start of parts') |
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|
719 for part in self._parts: |
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720 outdebug(self.ui, b'bundle part: "%s"' % part.type) |
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|
721 for chunk in part.getchunks(ui=self.ui): |
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722 yield chunk |
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723 outdebug(self.ui, b'end of bundle') |
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|
724 yield _pack(_fpartheadersize, 0) |
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diff
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|
725 |
24794
21f2e8f48ae1
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diff
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|
726 def salvageoutput(self): |
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727 """return a list with a copy of all output parts in the bundle |
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|
728 |
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bundle2: add a 'salvageoutput' method on bundle20
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|
729 This is meant to be used during error handling to make sure we preserve |
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diff
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|
730 server output""" |
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diff
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|
731 salvaged = [] |
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bundle2: add a 'salvageoutput' method on bundle20
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|
732 for part in self._parts: |
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|
733 if part.type.startswith(b'output'): |
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diff
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|
734 salvaged.append(part.copy()) |
21f2e8f48ae1
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diff
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|
735 return salvaged |
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diff
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|
736 |
21f2e8f48ae1
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diff
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|
737 |
21013
a813caca89b3
bundle2: extract stream/unpack logic in an unpackermixin
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21005
diff
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|
738 class unpackermixin(object): |
a813caca89b3
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diff
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|
739 """A mixin to extract bytes and struct data from a stream""" |
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|
740 |
21013
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diff
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|
741 def __init__(self, fp): |
20802
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|
742 self._fp = fp |
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|
743 |
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|
744 def _unpack(self, format): |
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|
745 """unpack this struct format from the stream |
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|
746 |
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|
747 This method is meant for internal usage by the bundle2 protocol only. |
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|
748 They directly manipulate the low level stream including bundle2 level |
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|
749 instruction. |
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|
750 |
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|
751 Do not use it to implement higher-level logic or methods.""" |
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|
752 data = self._readexact(struct.calcsize(format)) |
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|
753 return _unpack(format, data) |
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|
754 |
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|
755 def _readexact(self, size): |
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|
756 """read exactly <size> bytes from the stream |
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|
757 |
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|
758 This method is meant for internal usage by the bundle2 protocol only. |
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|
759 They directly manipulate the low level stream including bundle2 level |
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diff
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|
760 instruction. |
9bd9e9cb3f69
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diff
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|
761 |
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diff
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|
762 Do not use it to implement higher-level logic or methods.""" |
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|
763 return changegroup.readexactly(self._fp, size) |
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|
764 |
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|
765 |
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parents:
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diff
changeset
|
766 def getunbundler(ui, fp, magicstring=None): |
39f0064a3079
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changeset
|
767 """return a valid unbundler object for a given magicstring""" |
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|
768 if magicstring is None: |
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|
769 magicstring = changegroup.readexactly(fp, 4) |
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|
770 magic, version = magicstring[0:2], magicstring[2:4] |
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|
771 if magic != b'HG': |
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Siddharth Agarwal <sid0@fb.com>
parents:
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|
772 ui.debug( |
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|
773 b"error: invalid magic: %r (version %r), should be 'HG'\n" |
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|
774 % (magic, version) |
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|
775 ) |
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changeset
|
776 raise error.Abort(_(b'not a Mercurial bundle')) |
24648
5cac3accdaa1
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parents:
24642
diff
changeset
|
777 unbundlerclass = formatmap.get(version) |
5cac3accdaa1
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parents:
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diff
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|
778 if unbundlerclass is None: |
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779 raise error.Abort(_(b'unknown bundle version %s') % version) |
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780 unbundler = unbundlerclass(ui, fp) |
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781 indebug(ui, b'start processing of %s stream' % magicstring) |
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782 return unbundler |
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|
783 |
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784 |
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785 class unbundle20(unpackermixin): |
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786 """interpret a bundle2 stream |
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787 |
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788 This class is fed with a binary stream and yields parts through its |
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789 `iterparts` methods.""" |
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790 |
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791 _magicstring = b'HG20' |
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792 |
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793 def __init__(self, ui, fp): |
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794 """If header is specified, we do not read it out of the stream.""" |
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795 self.ui = ui |
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796 self._compengine = util.compengines.forbundletype(b'UN') |
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797 self._compressed = None |
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798 super(unbundle20, self).__init__(fp) |
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799 |
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800 @util.propertycache |
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801 def params(self): |
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802 """dictionary of stream level parameters""" |
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803 indebug(self.ui, b'reading bundle2 stream parameters') |
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804 params = {} |
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805 paramssize = self._unpack(_fstreamparamsize)[0] |
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diff
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|
806 if paramssize < 0: |
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807 raise error.BundleValueError( |
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808 b'negative bundle param size: %i' % paramssize |
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809 ) |
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810 if paramssize: |
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|
811 params = self._readexact(paramssize) |
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812 params = self._processallparams(params) |
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813 return params |
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814 |
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815 def _processallparams(self, paramsblock): |
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816 """""" |
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817 params = util.sortdict() |
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818 for p in paramsblock.split(b' '): |
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819 p = p.split(b'=', 1) |
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diff
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|
820 p = [urlreq.unquote(i) for i in p] |
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821 if len(p) < 2: |
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|
822 p.append(None) |
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823 self._processparam(*p) |
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824 params[p[0]] = p[1] |
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825 return params |
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|
826 |
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|
827 def _processparam(self, name, value): |
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|
828 """process a parameter, applying its effect if needed |
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829 |
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830 Parameter starting with a lower case letter are advisory and will be |
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diff
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|
831 ignored when unknown. Those starting with an upper case letter are |
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|
832 mandatory and will this function will raise a KeyError when unknown. |
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|
833 |
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diff
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|
834 Note: no option are currently supported. Any input will be either |
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|
835 ignored or failing. |
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836 """ |
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|
837 if not name: |
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diff
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|
838 raise ValueError(r'empty parameter name') |
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|
839 if name[0:1] not in pycompat.bytestr(string.ascii_letters): |
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diff
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|
840 raise ValueError(r'non letter first character: %s' % name) |
26395
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|
841 try: |
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diff
changeset
|
842 handler = b2streamparamsmap[name.lower()] |
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|
843 except KeyError: |
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|
844 if name[0:1].islower(): |
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845 indebug(self.ui, b"ignoring unknown parameter %s" % name) |
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|
846 else: |
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diff
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|
847 raise error.BundleUnknownFeatureError(params=(name,)) |
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|
848 else: |
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|
849 handler(self, name, value) |
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|
850 |
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|
851 def _forwardchunks(self): |
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852 """utility to transfer a bundle2 as binary |
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|
853 |
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|
854 This is made necessary by the fact the 'getbundle' command over 'ssh' |
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|
855 have no way to know then the reply end, relying on the bundle to be |
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|
856 interpreted to know its end. This is terrible and we are sorry, but we |
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|
857 needed to move forward to get general delta enabled. |
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|
858 """ |
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859 yield self._magicstring |
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860 assert b'params' not in vars(self) |
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861 paramssize = self._unpack(_fstreamparamsize)[0] |
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862 if paramssize < 0: |
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863 raise error.BundleValueError( |
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864 b'negative bundle param size: %i' % paramssize |
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|
865 ) |
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866 if paramssize: |
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867 params = self._readexact(paramssize) |
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|
868 self._processallparams(params) |
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869 # The payload itself is decompressed below, so drop |
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870 # the compression parameter passed down to compensate. |
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871 outparams = [] |
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872 for p in params.split(b' '): |
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873 k, v = p.split(b'=', 1) |
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874 if k.lower() != b'compression': |
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875 outparams.append(p) |
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876 outparams = b' '.join(outparams) |
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877 yield _pack(_fstreamparamsize, len(outparams)) |
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|
878 yield outparams |
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|
879 else: |
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|
880 yield _pack(_fstreamparamsize, paramssize) |
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|
881 # From there, payload might need to be decompressed |
30353
d045b4091197
bundle2: use compression engines API to obtain decompressor
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30351
diff
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|
882 self._fp = self._compengine.decompressorreader(self._fp) |
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883 emptycount = 0 |
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|
884 while emptycount < 2: |
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|
885 # so we can brainlessly loop |
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886 assert _fpartheadersize == _fpayloadsize |
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887 size = self._unpack(_fpartheadersize)[0] |
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888 yield _pack(_fpartheadersize, size) |
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889 if size: |
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890 emptycount = 0 |
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891 else: |
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892 emptycount += 1 |
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893 continue |
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894 if size == flaginterrupt: |
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895 continue |
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896 elif size < 0: |
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897 raise error.BundleValueError(b'negative chunk size: %i') |
26542
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898 yield self._readexact(size) |
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899 |
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900 def iterparts(self, seekable=False): |
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901 """yield all parts contained in the stream""" |
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902 cls = seekableunbundlepart if seekable else unbundlepart |
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903 # make sure param have been loaded |
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904 self.params |
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905 # From there, payload need to be decompressed |
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906 self._fp = self._compengine.decompressorreader(self._fp) |
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907 indebug(self.ui, b'start extraction of bundle2 parts') |
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908 headerblock = self._readpartheader() |
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909 while headerblock is not None: |
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910 part = cls(self.ui, headerblock, self._fp) |
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911 yield part |
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912 # Ensure part is fully consumed so we can start reading the next |
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913 # part. |
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914 part.consume() |
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915 |
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916 headerblock = self._readpartheader() |
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917 indebug(self.ui, b'end of bundle2 stream') |
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918 |
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919 def _readpartheader(self): |
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920 """reads a part header size and return the bytes blob |
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921 |
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922 returns None if empty""" |
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923 headersize = self._unpack(_fpartheadersize)[0] |
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924 if headersize < 0: |
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925 raise error.BundleValueError( |
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926 b'negative part header size: %i' % headersize |
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927 ) |
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928 indebug(self.ui, b'part header size: %i' % headersize) |
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929 if headersize: |
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930 return self._readexact(headersize) |
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931 return None |
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932 |
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933 def compressed(self): |
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934 self.params # load params |
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935 return self._compressed |
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936 |
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937 def close(self): |
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938 """close underlying file""" |
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|
939 if util.safehasattr(self._fp, 'close'): |
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940 return self._fp.close() |
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941 |
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942 |
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943 formatmap = {b'20': unbundle20} |
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944 |
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945 b2streamparamsmap = {} |
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946 |
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947 |
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|
948 def b2streamparamhandler(name): |
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949 """register a handler for a stream level parameter""" |
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950 |
26395
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|
951 def decorator(func): |
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952 assert name not in formatmap |
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953 b2streamparamsmap[name] = func |
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|
954 return func |
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|
955 |
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|
956 return decorator |
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|
957 |
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958 |
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959 @b2streamparamhandler(b'compression') |
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|
960 def processcompression(unbundler, param, value): |
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|
961 """read compression parameter and install payload decompression""" |
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962 if value not in util.compengines.supportedbundletypes: |
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963 raise error.BundleUnknownFeatureError(params=(param,), values=(value,)) |
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|
964 unbundler._compengine = util.compengines.forbundletype(value) |
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|
965 if value is not None: |
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|
966 unbundler._compressed = True |
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967 |
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968 |
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|
969 class bundlepart(object): |
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970 """A bundle2 part contains application level payload |
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971 |
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|
972 The part `type` is used to route the part to the application level |
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|
973 handler. |
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974 |
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975 The part payload is contained in ``part.data``. It could be raw bytes or a |
21605
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|
976 generator of byte chunks. |
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977 |
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|
978 You can add parameters to the part using the ``addparam`` method. |
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|
979 Parameters can be either mandatory (default) or advisory. Remote side |
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|
980 should be able to safely ignore the advisory ones. |
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|
981 |
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|
982 Both data and parameters cannot be modified after the generation has begun. |
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|
983 """ |
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|
984 |
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|
985 def __init__( |
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|
986 self, |
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|
987 parttype, |
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|
988 mandatoryparams=(), |
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|
989 advisoryparams=(), |
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|
990 data=b'', |
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|
991 mandatory=True, |
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|
992 ): |
23868
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diff
changeset
|
993 validateparttype(parttype) |
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994 self.id = None |
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995 self.type = parttype |
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996 self._data = data |
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997 self._mandatoryparams = list(mandatoryparams) |
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998 self._advisoryparams = list(advisoryparams) |
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999 # checking for duplicated entries |
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1000 self._seenparams = set() |
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1001 for pname, __ in self._mandatoryparams + self._advisoryparams: |
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1002 if pname in self._seenparams: |
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1003 raise error.ProgrammingError(b'duplicated params: %s' % pname) |
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1004 self._seenparams.add(pname) |
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1005 # status of the part's generation: |
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1006 # - None: not started, |
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1007 # - False: currently generated, |
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1008 # - True: generation done. |
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1009 self._generated = None |
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1010 self.mandatory = mandatory |
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1011 |
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1012 def __repr__(self): |
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1013 cls = b"%s.%s" % (self.__class__.__module__, self.__class__.__name__) |
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1014 return b'<%s object at %x; id: %s; type: %s; mandatory: %s>' % ( |
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1015 cls, |
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1016 id(self), |
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1017 self.id, |
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1018 self.type, |
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1019 self.mandatory, |
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1020 ) |
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1021 |
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1022 def copy(self): |
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1023 """return a copy of the part |
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1024 |
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1025 The new part have the very same content but no partid assigned yet. |
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1026 Parts with generated data cannot be copied.""" |
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1027 assert not util.safehasattr(self.data, 'next') |
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1028 return self.__class__( |
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1029 self.type, |
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1030 self._mandatoryparams, |
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1031 self._advisoryparams, |
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1032 self._data, |
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1033 self.mandatory, |
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1034 ) |
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1035 |
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1036 # methods used to defines the part content |
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1037 @property |
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1038 def data(self): |
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1039 return self._data |
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1040 |
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1041 @data.setter |
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1042 def data(self, data): |
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1043 if self._generated is not None: |
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1044 raise error.ReadOnlyPartError(b'part is being generated') |
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1045 self._data = data |
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1046 |
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1047 @property |
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1048 def mandatoryparams(self): |
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1049 # make it an immutable tuple to force people through ``addparam`` |
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1050 return tuple(self._mandatoryparams) |
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1051 |
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1052 @property |
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1053 def advisoryparams(self): |
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1054 # make it an immutable tuple to force people through ``addparam`` |
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1055 return tuple(self._advisoryparams) |
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1056 |
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1057 def addparam(self, name, value=b'', mandatory=True): |
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1058 """add a parameter to the part |
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1059 |
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1060 If 'mandatory' is set to True, the remote handler must claim support |
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|
1061 for this parameter or the unbundling will be aborted. |
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|
1062 |
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1063 The 'name' and 'value' cannot exceed 255 bytes each. |
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|
1064 """ |
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1065 if self._generated is not None: |
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1066 raise error.ReadOnlyPartError(b'part is being generated') |
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1067 if name in self._seenparams: |
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1068 raise ValueError(b'duplicated params: %s' % name) |
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1069 self._seenparams.add(name) |
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1070 params = self._advisoryparams |
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1071 if mandatory: |
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1072 params = self._mandatoryparams |
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1073 params.append((name, value)) |
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1074 |
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1075 # methods used to generates the bundle2 stream |
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|
1076 def getchunks(self, ui): |
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1077 if self._generated is not None: |
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1078 raise error.ProgrammingError(b'part can only be consumed once') |
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|
1079 self._generated = False |
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1080 |
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|
1081 if ui.debugflag: |
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1082 msg = [b'bundle2-output-part: "%s"' % self.type] |
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1083 if not self.mandatory: |
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1084 msg.append(b' (advisory)') |
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1085 nbmp = len(self.mandatoryparams) |
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1086 nbap = len(self.advisoryparams) |
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1087 if nbmp or nbap: |
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1088 msg.append(b' (params:') |
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1089 if nbmp: |
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1090 msg.append(b' %i mandatory' % nbmp) |
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1091 if nbap: |
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1092 msg.append(b' %i advisory' % nbmp) |
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1093 msg.append(b')') |
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1094 if not self.data: |
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1095 msg.append(b' empty payload') |
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1096 elif util.safehasattr(self.data, 'next') or util.safehasattr( |
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1097 self.data, b'__next__' |
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1098 ): |
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1099 msg.append(b' streamed payload') |
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1100 else: |
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1101 msg.append(b' %i bytes payload' % len(self.data)) |
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1102 msg.append(b'\n') |
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1103 ui.debug(b''.join(msg)) |
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1104 |
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1105 #### header |
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1106 if self.mandatory: |
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1107 parttype = self.type.upper() |
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1108 else: |
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1109 parttype = self.type.lower() |
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1110 outdebug(ui, b'part %s: "%s"' % (pycompat.bytestr(self.id), parttype)) |
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1111 ## parttype |
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1112 header = [ |
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1113 _pack(_fparttypesize, len(parttype)), |
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1114 parttype, |
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1115 _pack(_fpartid, self.id), |
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1116 ] |
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1117 ## parameters |
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1118 # count |
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1119 manpar = self.mandatoryparams |
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1120 advpar = self.advisoryparams |
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1121 header.append(_pack(_fpartparamcount, len(manpar), len(advpar))) |
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1122 # size |
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1123 parsizes = [] |
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1124 for key, value in manpar: |
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1125 parsizes.append(len(key)) |
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1126 parsizes.append(len(value)) |
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1127 for key, value in advpar: |
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1128 parsizes.append(len(key)) |
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1129 parsizes.append(len(value)) |
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1130 paramsizes = _pack(_makefpartparamsizes(len(parsizes) // 2), *parsizes) |
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1131 header.append(paramsizes) |
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1132 # key, value |
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1133 for key, value in manpar: |
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1134 header.append(key) |
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1135 header.append(value) |
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1136 for key, value in advpar: |
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1137 header.append(key) |
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1138 header.append(value) |
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1139 ## finalize header |
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1140 try: |
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1141 headerchunk = b''.join(header) |
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1142 except TypeError: |
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1143 raise TypeError( |
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1144 r'Found a non-bytes trying to ' |
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1145 r'build bundle part header: %r' % header |
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1146 ) |
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1147 outdebug(ui, b'header chunk size: %i' % len(headerchunk)) |
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1148 yield _pack(_fpartheadersize, len(headerchunk)) |
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1149 yield headerchunk |
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1150 ## payload |
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1151 try: |
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1152 for chunk in self._payloadchunks(): |
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1153 outdebug(ui, b'payload chunk size: %i' % len(chunk)) |
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1154 yield _pack(_fpayloadsize, len(chunk)) |
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1155 yield chunk |
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1156 except GeneratorExit: |
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1157 # GeneratorExit means that nobody is listening for our |
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1158 # results anyway, so just bail quickly rather than trying |
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1159 # to produce an error part. |
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1160 ui.debug(b'bundle2-generatorexit\n') |
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|
1161 raise |
25660
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|
1162 except BaseException as exc: |
37084
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1163 bexc = stringutil.forcebytestr(exc) |
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1164 # backup exception data for later |
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1165 ui.debug( |
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1166 b'bundle2-input-stream-interrupt: encoding exception %s' % bexc |
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|
1167 ) |
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1168 tb = sys.exc_info()[2] |
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1169 msg = b'unexpected error: %s' % bexc |
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1170 interpart = bundlepart( |
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1171 b'error:abort', [(b'message', msg)], mandatory=False |
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1172 ) |
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1173 interpart.id = 0 |
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1174 yield _pack(_fpayloadsize, -1) |
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1175 for chunk in interpart.getchunks(ui=ui): |
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1176 yield chunk |
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1177 outdebug(ui, b'closing payload chunk') |
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1178 # abort current part payload |
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1179 yield _pack(_fpayloadsize, 0) |
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|
1180 pycompat.raisewithtb(exc, tb) |
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1181 # end of payload |
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1182 outdebug(ui, b'closing payload chunk') |
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1183 yield _pack(_fpayloadsize, 0) |
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1184 self._generated = True |
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1185 |
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1186 def _payloadchunks(self): |
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1187 """yield chunks of a the part payload |
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1188 |
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1189 Exists to handle the different methods to provide data to a part.""" |
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1190 # we only support fixed size data now. |
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1191 # This will be improved in the future. |
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1192 if util.safehasattr(self.data, 'next') or util.safehasattr( |
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1193 self.data, b'__next__' |
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1194 ): |
21001
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1195 buff = util.chunkbuffer(self.data) |
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1196 chunk = buff.read(preferedchunksize) |
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1197 while chunk: |
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1198 yield chunk |
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1199 chunk = buff.read(preferedchunksize) |
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1200 elif len(self.data): |
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1201 yield self.data |
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|
1202 |
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1203 |
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1204 flaginterrupt = -1 |
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1205 |
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1206 |
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1207 class interrupthandler(unpackermixin): |
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1208 """read one part and process it with restricted capability |
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1209 |
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1210 This allows to transmit exception raised on the producer size during part |
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1211 iteration while the consumer is reading a part. |
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1212 |
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1213 Part processed in this manner only have access to a ui object,""" |
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1214 |
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1215 def __init__(self, ui, fp): |
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1216 super(interrupthandler, self).__init__(fp) |
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1217 self.ui = ui |
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1218 |
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1219 def _readpartheader(self): |
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1220 """reads a part header size and return the bytes blob |
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1221 |
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1222 returns None if empty""" |
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1223 headersize = self._unpack(_fpartheadersize)[0] |
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1224 if headersize < 0: |
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1225 raise error.BundleValueError( |
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1226 b'negative part header size: %i' % headersize |
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1227 ) |
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1228 indebug(self.ui, b'part header size: %i\n' % headersize) |
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1229 if headersize: |
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1230 return self._readexact(headersize) |
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1231 return None |
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1232 |
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1233 def __call__(self): |
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1234 |
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1235 self.ui.debug( |
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1236 b'bundle2-input-stream-interrupt: opening out of band context\n' |
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1237 ) |
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1238 indebug(self.ui, b'bundle2 stream interruption, looking for a part.') |
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1239 headerblock = self._readpartheader() |
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1240 if headerblock is None: |
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1241 indebug(self.ui, b'no part found during interruption.') |
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1242 return |
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1243 part = unbundlepart(self.ui, headerblock, self._fp) |
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1244 op = interruptoperation(self.ui) |
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1245 hardabort = False |
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1246 try: |
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1247 _processpart(op, part) |
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1248 except (SystemExit, KeyboardInterrupt): |
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1249 hardabort = True |
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1250 raise |
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1251 finally: |
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1252 if not hardabort: |
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1253 part.consume() |
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1254 self.ui.debug( |
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1255 b'bundle2-input-stream-interrupt: closing out of band context\n' |
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1256 ) |
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1257 |
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1258 |
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1259 class interruptoperation(object): |
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1260 """A limited operation to be use by part handler during interruption |
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1261 |
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1262 It only have access to an ui object. |
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1263 """ |
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1264 |
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1265 def __init__(self, ui): |
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1266 self.ui = ui |
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1267 self.reply = None |
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1268 self.captureoutput = False |
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1269 |
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1270 @property |
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1271 def repo(self): |
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1272 raise error.ProgrammingError(b'no repo access from stream interruption') |
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1273 |
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1274 def gettransaction(self): |
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1275 raise TransactionUnavailable(b'no repo access from stream interruption') |
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1276 |
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1277 |
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1278 def decodepayloadchunks(ui, fh): |
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1279 """Reads bundle2 part payload data into chunks. |
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1280 |
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1281 Part payload data consists of framed chunks. This function takes |
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1282 a file handle and emits those chunks. |
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1283 """ |
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1284 dolog = ui.configbool(b'devel', b'bundle2.debug') |
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1285 debug = ui.debug |
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1286 |
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1287 headerstruct = struct.Struct(_fpayloadsize) |
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1288 headersize = headerstruct.size |
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1289 unpack = headerstruct.unpack |
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1290 |
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1291 readexactly = changegroup.readexactly |
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1292 read = fh.read |
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1293 |
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1294 chunksize = unpack(readexactly(fh, headersize))[0] |
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1295 indebug(ui, b'payload chunk size: %i' % chunksize) |
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1296 |
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1297 # changegroup.readexactly() is inlined below for performance. |
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1298 while chunksize: |
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1299 if chunksize >= 0: |
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1300 s = read(chunksize) |
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1301 if len(s) < chunksize: |
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1302 raise error.Abort( |
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1303 _( |
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1304 b'stream ended unexpectedly ' |
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1305 b' (got %d bytes, expected %d)' |
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1306 ) |
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1307 % (len(s), chunksize) |
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1308 ) |
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1309 |
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1310 yield s |
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1311 elif chunksize == flaginterrupt: |
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1312 # Interrupt "signal" detected. The regular stream is interrupted |
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1313 # and a bundle2 part follows. Consume it. |
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1314 interrupthandler(ui, fh)() |
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1315 else: |
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1316 raise error.BundleValueError( |
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1317 b'negative payload chunk size: %s' % chunksize |
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1318 ) |
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1319 |
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1320 s = read(headersize) |
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1321 if len(s) < headersize: |
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1322 raise error.Abort( |
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1323 _(b'stream ended unexpectedly (got %d bytes, expected %d)') |
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1324 % (len(s), chunksize) |
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1325 ) |
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1326 |
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1327 chunksize = unpack(s)[0] |
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1328 |
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1329 # indebug() inlined for performance. |
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1330 if dolog: |
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1331 debug(b'bundle2-input: payload chunk size: %i\n' % chunksize) |
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1332 |
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1333 |
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1334 class unbundlepart(unpackermixin): |
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1335 """a bundle part read from a bundle""" |
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1336 |
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1337 def __init__(self, ui, header, fp): |
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1338 super(unbundlepart, self).__init__(fp) |
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1339 self._seekable = util.safehasattr(fp, 'seek') and util.safehasattr( |
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1340 fp, b'tell' |
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1341 ) |
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1342 self.ui = ui |
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1343 # unbundle state attr |
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1344 self._headerdata = header |
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1345 self._headeroffset = 0 |
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1346 self._initialized = False |
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1347 self.consumed = False |
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1348 # part data |
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1349 self.id = None |
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1350 self.type = None |
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1351 self.mandatoryparams = None |
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1352 self.advisoryparams = None |
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1353 self.params = None |
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1354 self.mandatorykeys = () |
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1355 self._readheader() |
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1356 self._mandatory = None |
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1357 self._pos = 0 |
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1358 |
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1359 def _fromheader(self, size): |
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1360 """return the next <size> byte from the header""" |
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1361 offset = self._headeroffset |
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1362 data = self._headerdata[offset : (offset + size)] |
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1363 self._headeroffset = offset + size |
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1364 return data |
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1365 |
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1366 def _unpackheader(self, format): |
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1367 """read given format from header |
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1368 |
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1369 This automatically compute the size of the format to read.""" |
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1370 data = self._fromheader(struct.calcsize(format)) |
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1371 return _unpack(format, data) |
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1372 |
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1373 def _initparams(self, mandatoryparams, advisoryparams): |
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1374 """internal function to setup all logic related parameters""" |
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1375 # make it read only to prevent people touching it by mistake. |
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1376 self.mandatoryparams = tuple(mandatoryparams) |
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1377 self.advisoryparams = tuple(advisoryparams) |
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1378 # user friendly UI |
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1379 self.params = util.sortdict(self.mandatoryparams) |
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1380 self.params.update(self.advisoryparams) |
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1381 self.mandatorykeys = frozenset(p[0] for p in mandatoryparams) |
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1382 |
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1383 def _readheader(self): |
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1384 """read the header and setup the object""" |
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1385 typesize = self._unpackheader(_fparttypesize)[0] |
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1386 self.type = self._fromheader(typesize) |
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1387 indebug(self.ui, b'part type: "%s"' % self.type) |
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1388 self.id = self._unpackheader(_fpartid)[0] |
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1389 indebug(self.ui, b'part id: "%s"' % pycompat.bytestr(self.id)) |
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1390 # extract mandatory bit from type |
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1391 self.mandatory = self.type != self.type.lower() |
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1392 self.type = self.type.lower() |
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1393 ## reading parameters |
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1394 # param count |
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1395 mancount, advcount = self._unpackheader(_fpartparamcount) |
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1396 indebug(self.ui, b'part parameters: %i' % (mancount + advcount)) |
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1397 # param size |
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1398 fparamsizes = _makefpartparamsizes(mancount + advcount) |
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1399 paramsizes = self._unpackheader(fparamsizes) |
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1400 # make it a list of couple again |
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1401 paramsizes = list(zip(paramsizes[::2], paramsizes[1::2])) |
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1402 # split mandatory from advisory |
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1403 mansizes = paramsizes[:mancount] |
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1404 advsizes = paramsizes[mancount:] |
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1405 # retrieve param value |
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1406 manparams = [] |
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1407 for key, value in mansizes: |
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1408 manparams.append((self._fromheader(key), self._fromheader(value))) |
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1409 advparams = [] |
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1410 for key, value in advsizes: |
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1411 advparams.append((self._fromheader(key), self._fromheader(value))) |
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1412 self._initparams(manparams, advparams) |
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1413 ## part payload |
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1414 self._payloadstream = util.chunkbuffer(self._payloadchunks()) |
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1415 # we read the data, tell it |
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1416 self._initialized = True |
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1417 |
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1418 def _payloadchunks(self): |
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1419 """Generator of decoded chunks in the payload.""" |
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1420 return decodepayloadchunks(self.ui, self._fp) |
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1421 |
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1422 def consume(self): |
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1423 """Read the part payload until completion. |
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1424 |
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1425 By consuming the part data, the underlying stream read offset will |
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1426 be advanced to the next part (or end of stream). |
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1427 """ |
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1428 if self.consumed: |
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1429 return |
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1430 |
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1431 chunk = self.read(32768) |
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1432 while chunk: |
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1433 self._pos += len(chunk) |
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1434 chunk = self.read(32768) |
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1435 |
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1436 def read(self, size=None): |
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1437 """read payload data""" |
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1438 if not self._initialized: |
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|
1439 self._readheader() |
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1440 if size is None: |
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1441 data = self._payloadstream.read() |
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1442 else: |
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1443 data = self._payloadstream.read(size) |
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1444 self._pos += len(data) |
21019
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|
1445 if size is None or len(data) < size: |
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1446 if not self.consumed and self._pos: |
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1447 self.ui.debug( |
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1448 b'bundle2-input-part: total payload size %i\n' % self._pos |
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|
1449 ) |
21019
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|
1450 self.consumed = True |
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1451 return data |
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|
1452 |
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1453 |
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1454 class seekableunbundlepart(unbundlepart): |
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1455 """A bundle2 part in a bundle that is seekable. |
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1456 |
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1457 Regular ``unbundlepart`` instances can only be read once. This class |
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1458 extends ``unbundlepart`` to enable bi-directional seeking within the |
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1459 part. |
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1460 |
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1461 Bundle2 part data consists of framed chunks. Offsets when seeking |
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1462 refer to the decoded data, not the offsets in the underlying bundle2 |
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1463 stream. |
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1464 |
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1465 To facilitate quickly seeking within the decoded data, instances of this |
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1466 class maintain a mapping between offsets in the underlying stream and |
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1467 the decoded payload. This mapping will consume memory in proportion |
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1468 to the number of chunks within the payload (which almost certainly |
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1469 increases in proportion with the size of the part). |
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1470 """ |
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1471 |
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1472 def __init__(self, ui, header, fp): |
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1473 # (payload, file) offsets for chunk starts. |
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1474 self._chunkindex = [] |
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1475 |
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1476 super(seekableunbundlepart, self).__init__(ui, header, fp) |
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1477 |
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1478 def _payloadchunks(self, chunknum=0): |
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1479 '''seek to specified chunk and start yielding data''' |
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1480 if len(self._chunkindex) == 0: |
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1481 assert chunknum == 0, b'Must start with chunk 0' |
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1482 self._chunkindex.append((0, self._tellfp())) |
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1483 else: |
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|
1484 assert chunknum < len(self._chunkindex), ( |
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1485 b'Unknown chunk %d' % chunknum |
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1486 ) |
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1487 self._seekfp(self._chunkindex[chunknum][1]) |
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1488 |
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1489 pos = self._chunkindex[chunknum][0] |
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1490 |
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1491 for chunk in decodepayloadchunks(self.ui, self._fp): |
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1492 chunknum += 1 |
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1493 pos += len(chunk) |
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1494 if chunknum == len(self._chunkindex): |
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1495 self._chunkindex.append((pos, self._tellfp())) |
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|
1496 |
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1497 yield chunk |
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1498 |
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1499 def _findchunk(self, pos): |
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1500 '''for a given payload position, return a chunk number and offset''' |
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1501 for chunk, (ppos, fpos) in enumerate(self._chunkindex): |
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1502 if ppos == pos: |
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1503 return chunk, 0 |
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1504 elif ppos > pos: |
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1505 return chunk - 1, pos - self._chunkindex[chunk - 1][0] |
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1506 raise ValueError(b'Unknown chunk') |
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1507 |
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|
1508 def tell(self): |
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|
1509 return self._pos |
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1510 |
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1511 def seek(self, offset, whence=os.SEEK_SET): |
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1512 if whence == os.SEEK_SET: |
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1513 newpos = offset |
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1514 elif whence == os.SEEK_CUR: |
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1515 newpos = self._pos + offset |
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1516 elif whence == os.SEEK_END: |
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1517 if not self.consumed: |
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1518 # Can't use self.consume() here because it advances self._pos. |
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1519 chunk = self.read(32768) |
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1520 while chunk: |
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1521 chunk = self.read(32768) |
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1522 newpos = self._chunkindex[-1][0] - offset |
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1523 else: |
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1524 raise ValueError(b'Unknown whence value: %r' % (whence,)) |
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1525 |
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1526 if newpos > self._chunkindex[-1][0] and not self.consumed: |
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1527 # Can't use self.consume() here because it advances self._pos. |
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1528 chunk = self.read(32768) |
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1529 while chunk: |
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1530 chunk = self.read(32668) |
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1531 |
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1532 if not 0 <= newpos <= self._chunkindex[-1][0]: |
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1533 raise ValueError(b'Offset out of range') |
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1534 |
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1535 if self._pos != newpos: |
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1536 chunk, internaloffset = self._findchunk(newpos) |
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1537 self._payloadstream = util.chunkbuffer(self._payloadchunks(chunk)) |
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1538 adjust = self.read(internaloffset) |
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1539 if len(adjust) != internaloffset: |
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1540 raise error.Abort(_(b'Seek failed\n')) |
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1541 self._pos = newpos |
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1542 |
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1543 def _seekfp(self, offset, whence=0): |
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1544 """move the underlying file pointer |
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1545 |
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1546 This method is meant for internal usage by the bundle2 protocol only. |
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1547 They directly manipulate the low level stream including bundle2 level |
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1548 instruction. |
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diff
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|
1549 |
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diff
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|
1550 Do not use it to implement higher-level logic or methods.""" |
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diff
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|
1551 if self._seekable: |
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diff
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|
1552 return self._fp.seek(offset, whence) |
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diff
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|
1553 else: |
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parents:
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diff
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|
1554 raise NotImplementedError(_(b'File pointer is not seekable')) |
31889
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31863
diff
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|
1555 |
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diff
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|
1556 def _tellfp(self): |
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diff
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|
1557 """return the file offset, or None if file is not seekable |
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diff
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|
1558 |
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diff
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|
1559 This method is meant for internal usage by the bundle2 protocol only. |
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|
1560 They directly manipulate the low level stream including bundle2 level |
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diff
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|
1561 instruction. |
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diff
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|
1562 |
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|
1563 Do not use it to implement higher-level logic or methods.""" |
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diff
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|
1564 if self._seekable: |
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|
1565 try: |
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diff
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|
1566 return self._fp.tell() |
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|
1567 except IOError as e: |
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|
1568 if e.errno == errno.ESPIPE: |
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diff
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|
1569 self._seekable = False |
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|
1570 else: |
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|
1571 raise |
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1572 return None |
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|
1573 |
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|
1574 |
25317
5a5b7046d00e
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diff
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|
1575 # These are only the static capabilities. |
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1576 # Check the 'getrepocaps' function for the rest. |
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1577 capabilities = { |
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1578 b'HG20': (), |
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1579 b'bookmarks': (), |
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1580 b'error': (b'abort', b'unsupportedcontent', b'pushraced', b'pushkey'), |
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1581 b'listkeys': (), |
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1582 b'pushkey': (), |
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1583 b'digests': tuple(sorted(util.DIGESTS.keys())), |
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|
1584 b'remote-changegroup': (b'http', b'https'), |
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|
1585 b'hgtagsfnodes': (), |
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|
1586 b'rev-branch-cache': (), |
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1587 b'phases': (b'heads',), |
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|
1588 b'stream': (b'v2',), |
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|
1589 } |
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|
1590 |
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|
1591 |
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|
1592 def getrepocaps(repo, allowpushback=False, role=None): |
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|
1593 """return the bundle2 capabilities for a given repo |
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|
1594 |
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|
1595 Exists to allow extensions (like evolution) to mutate the capabilities. |
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|
1596 |
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|
1597 The returned value is used for servers advertising their capabilities as |
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|
1598 well as clients advertising their capabilities to servers as part of |
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|
1599 bundle2 requests. The ``role`` argument specifies which is which. |
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1600 """ |
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1601 if role not in (b'client', b'server'): |
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|
1602 raise error.ProgrammingError(b'role argument must be client or server') |
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|
1603 |
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|
1604 caps = capabilities.copy() |
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|
1605 caps[b'changegroup'] = tuple( |
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1606 sorted(changegroup.supportedincomingversions(repo)) |
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|
1607 ) |
22953
b1d694d3975e
obsolete: add exchange option
Durham Goode <durham@fb.com>
parents:
22661
diff
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|
1608 if obsolete.isenabled(repo, obsolete.exchangeopt): |
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|
1609 supportedformat = tuple(b'V%i' % v for v in obsolete.formats) |
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|
1610 caps[b'obsmarkers'] = supportedformat |
23439
743736fc7c41
bundle2-push: provide transaction to reply unbundler
Eric Sumner <ericsumner@fb.com>
parents:
23438
diff
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|
1611 if allowpushback: |
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|
1612 caps[b'pushback'] = () |
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|
1613 cpmode = repo.ui.config(b'server', b'concurrent-push-mode') |
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|
1614 if cpmode == b'check-related': |
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|
1615 caps[b'checkheads'] = (b'related',) |
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|
1616 if b'phases' in repo.ui.configlist(b'devel', b'legacy.exchange'): |
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|
1617 caps.pop(b'phases') |
35790
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|
1618 |
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|
1619 # Don't advertise stream clone support in server mode if not configured. |
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1620 if role == b'server': |
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|
1621 streamsupported = repo.ui.configbool( |
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|
1622 b'server', b'uncompressed', untrusted=True |
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1623 ) |
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|
1624 featuresupported = repo.ui.configbool(b'server', b'bundle2.stream') |
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|
1625 |
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|
1626 if not streamsupported or not featuresupported: |
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|
1627 caps.pop(b'stream') |
35792
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|
1628 # Else always advertise support on client, because payload support |
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|
1629 # should always be advertised. |
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1630 |
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|
1631 return caps |
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|
1632 |
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|
1633 |
21644
17755dd8c509
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diff
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|
1634 def bundle2caps(remote): |
23139
e53f6b72a0e4
spelling: fixes from proofreading of spell checker issues
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diff
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|
1635 """return the bundle capabilities of a peer as dict""" |
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1636 raw = remote.capable(b'bundle2') |
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1637 if not raw and raw != b'': |
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1638 return {} |
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|
1639 capsblob = urlreq.unquote(remote.capable(b'bundle2')) |
21644
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|
1640 return decodecaps(capsblob) |
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|
1641 |
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1642 |
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|
1643 def obsmarkersversion(caps): |
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|
1644 """extract the list of supported obsmarkers versions from a bundle2caps dict |
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|
1645 """ |
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|
1646 obscaps = caps.get(b'obsmarkers', ()) |
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|
1647 return [int(c[1:]) for c in obscaps if c.startswith(b'V')] |
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1648 |
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1649 |
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|
1650 def writenewbundle( |
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|
1651 ui, |
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1652 repo, |
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1653 source, |
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1654 filename, |
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1655 bundletype, |
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1656 outgoing, |
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1657 opts, |
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1658 vfs=None, |
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1659 compression=None, |
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1660 compopts=None, |
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1661 ): |
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1662 if bundletype.startswith(b'HG10'): |
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1663 cg = changegroup.makechangegroup(repo, outgoing, b'01', source) |
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1664 return writebundle( |
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|
1665 ui, |
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|
1666 cg, |
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1667 filename, |
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1668 bundletype, |
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|
1669 vfs=vfs, |
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|
1670 compression=compression, |
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1671 compopts=compopts, |
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1672 ) |
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1673 elif not bundletype.startswith(b'HG20'): |
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1674 raise error.ProgrammingError(b'unknown bundle type: %s' % bundletype) |
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1675 |
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1676 caps = {} |
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1677 if b'obsolescence' in opts: |
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1678 caps[b'obsmarkers'] = (b'V1',) |
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1679 bundle = bundle20(ui, caps) |
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1680 bundle.setcompression(compression, compopts) |
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1681 _addpartsfromopts(ui, repo, bundle, source, outgoing, opts) |
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1682 chunkiter = bundle.getchunks() |
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1683 |
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1684 return changegroup.writechunks(ui, chunkiter, filename, vfs=vfs) |
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1685 |
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1686 |
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1687 def _addpartsfromopts(ui, repo, bundler, source, outgoing, opts): |
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1688 # We should eventually reconcile this logic with the one behind |
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1689 # 'exchange.getbundle2partsgenerator'. |
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1690 # |
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1691 # The type of input from 'getbundle' and 'writenewbundle' are a bit |
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1692 # different right now. So we keep them separated for now for the sake of |
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1693 # simplicity. |
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1694 |
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1695 # we might not always want a changegroup in such bundle, for example in |
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1696 # stream bundles |
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1697 if opts.get(b'changegroup', True): |
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1698 cgversion = opts.get(b'cg.version') |
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1699 if cgversion is None: |
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1700 cgversion = changegroup.safeversion(repo) |
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1701 cg = changegroup.makechangegroup(repo, outgoing, cgversion, source) |
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1702 part = bundler.newpart(b'changegroup', data=cg.getchunks()) |
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1703 part.addparam(b'version', cg.version) |
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1704 if b'clcount' in cg.extras: |
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1705 part.addparam( |
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1706 b'nbchanges', b'%d' % cg.extras[b'clcount'], mandatory=False |
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1707 ) |
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1708 if opts.get(b'phases') and repo.revs( |
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1709 b'%ln and secret()', outgoing.missingheads |
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1710 ): |
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1711 part.addparam( |
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1712 b'targetphase', b'%d' % phases.secret, mandatory=False |
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1713 ) |
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|
1714 if b'exp-sidedata-flag' in repo.requirements: |
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1715 part.addparam(b'exp-sidedata', b'1') |
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1716 |
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1717 if opts.get(b'streamv2', False): |
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1718 addpartbundlestream2(bundler, repo, stream=True) |
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1719 |
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1720 if opts.get(b'tagsfnodescache', True): |
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1721 addparttagsfnodescache(repo, bundler, outgoing) |
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1722 |
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1723 if opts.get(b'revbranchcache', True): |
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|
1724 addpartrevbranchcache(repo, bundler, outgoing) |
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1725 |
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1726 if opts.get(b'obsolescence', False): |
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1727 obsmarkers = repo.obsstore.relevantmarkers(outgoing.missing) |
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1728 buildobsmarkerspart(bundler, obsmarkers) |
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1729 |
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1730 if opts.get(b'phases', False): |
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Martin von Zweigbergk <martinvonz@google.com>
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diff
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|
1731 headsbyphase = phases.subsetphaseheads(repo, outgoing.missing) |
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5779d096a696
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|
1732 phasedata = phases.binaryencode(headsbyphase) |
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1733 bundler.newpart(b'phase-heads', data=phasedata) |
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1734 |
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1735 |
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1736 def addparttagsfnodescache(repo, bundler, outgoing): |
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1737 # we include the tags fnode cache for the bundle changeset |
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1738 # (as an optional parts) |
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1739 cache = tags.hgtagsfnodescache(repo.unfiltered()) |
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1740 chunks = [] |
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1741 |
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1742 # .hgtags fnodes are only relevant for head changesets. While we could |
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1743 # transfer values for all known nodes, there will likely be little to |
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1744 # no benefit. |
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1745 # |
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1746 # We don't bother using a generator to produce output data because |
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|
1747 # a) we only have 40 bytes per head and even esoteric numbers of heads |
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|
1748 # consume little memory (1M heads is 40MB) b) we don't want to send the |
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|
1749 # part if we don't have entries and knowing if we have entries requires |
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|
1750 # cache lookups. |
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1751 for node in outgoing.missingheads: |
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1752 # Don't compute missing, as this may slow down serving. |
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|
1753 fnode = cache.getfnode(node, computemissing=False) |
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|
1754 if fnode is not None: |
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|
1755 chunks.extend([node, fnode]) |
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|
1756 |
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1757 if chunks: |
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1758 bundler.newpart(b'hgtagsfnodes', data=b''.join(chunks)) |
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1759 |
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1760 |
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1761 def addpartrevbranchcache(repo, bundler, outgoing): |
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1762 # we include the rev branch cache for the bundle changeset |
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1763 # (as an optional parts) |
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1764 cache = repo.revbranchcache() |
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1765 cl = repo.unfiltered().changelog |
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1766 branchesdata = collections.defaultdict(lambda: (set(), set())) |
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1767 for node in outgoing.missing: |
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1768 branch, close = cache.branchinfo(cl.rev(node)) |
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1769 branchesdata[branch][close].add(node) |
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1770 |
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1771 def generate(): |
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1772 for branch, (nodes, closed) in sorted(branchesdata.items()): |
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1773 utf8branch = encoding.fromlocal(branch) |
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1774 yield rbcstruct.pack(len(utf8branch), len(nodes), len(closed)) |
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1775 yield utf8branch |
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1776 for n in sorted(nodes): |
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1777 yield n |
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1778 for n in sorted(closed): |
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1779 yield n |
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1780 |
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1781 bundler.newpart(b'cache:rev-branch-cache', data=generate(), mandatory=False) |
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1782 |
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1783 |
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1784 def _formatrequirementsspec(requirements): |
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1785 requirements = [req for req in requirements if req != b"shared"] |
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1786 return urlreq.quote(b','.join(sorted(requirements))) |
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1787 |
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1788 |
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1789 def _formatrequirementsparams(requirements): |
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1790 requirements = _formatrequirementsspec(requirements) |
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1791 params = b"%s%s" % (urlreq.quote(b"requirements="), requirements) |
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1792 return params |
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1793 |
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1794 |
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1795 def addpartbundlestream2(bundler, repo, **kwargs): |
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1796 if not kwargs.get(r'stream', False): |
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1797 return |
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|
1798 |
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1799 if not streamclone.allowservergeneration(repo): |
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1800 raise error.Abort( |
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1801 _( |
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1802 b'stream data requested but server does not allow ' |
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1803 b'this feature' |
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1804 ), |
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1805 hint=_( |
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1806 b'well-behaved clients should not be ' |
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1807 b'requesting stream data from servers not ' |
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1808 b'advertising it; the client may be buggy' |
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1809 ), |
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1810 ) |
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1811 |
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1812 # Stream clones don't compress well. And compression undermines a |
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1813 # goal of stream clones, which is to be fast. Communicate the desire |
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1814 # to avoid compression to consumers of the bundle. |
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1815 bundler.prefercompressed = False |
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1816 |
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1817 # get the includes and excludes |
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1818 includepats = kwargs.get(r'includepats') |
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1819 excludepats = kwargs.get(r'excludepats') |
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1820 |
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1821 narrowstream = repo.ui.configbool( |
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1822 b'experimental', b'server.stream-narrow-clones' |
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1823 ) |
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1824 |
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1825 if (includepats or excludepats) and not narrowstream: |
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1826 raise error.Abort(_(b'server does not support narrow stream clones')) |
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1827 |
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1828 includeobsmarkers = False |
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1829 if repo.obsstore: |
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1830 remoteversions = obsmarkersversion(bundler.capabilities) |
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1831 if not remoteversions: |
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1832 raise error.Abort( |
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1833 _( |
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1834 b'server has obsolescence markers, but client ' |
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1835 b'cannot receive them via stream clone' |
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1836 ) |
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1837 ) |
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1838 elif repo.obsstore._version in remoteversions: |
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1839 includeobsmarkers = True |
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1840 |
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1841 filecount, bytecount, it = streamclone.generatev2( |
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1842 repo, includepats, excludepats, includeobsmarkers |
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1843 ) |
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1844 requirements = _formatrequirementsspec(repo.requirements) |
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1845 part = bundler.newpart(b'stream2', data=it) |
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1846 part.addparam(b'bytecount', b'%d' % bytecount, mandatory=True) |
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1847 part.addparam(b'filecount', b'%d' % filecount, mandatory=True) |
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1848 part.addparam(b'requirements', requirements, mandatory=True) |
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1849 |
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1850 |
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1851 def buildobsmarkerspart(bundler, markers): |
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1852 """add an obsmarker part to the bundler with <markers> |
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1853 |
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1854 No part is created if markers is empty. |
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1855 Raises ValueError if the bundler doesn't support any known obsmarker format. |
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1856 """ |
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1857 if not markers: |
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1858 return None |
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1859 |
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1860 remoteversions = obsmarkersversion(bundler.capabilities) |
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1861 version = obsolete.commonversion(remoteversions) |
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1862 if version is None: |
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1863 raise ValueError(b'bundler does not support common obsmarker format') |
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1864 stream = obsolete.encodemarkers(markers, True, version=version) |
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1865 return bundler.newpart(b'obsmarkers', data=stream) |
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1866 |
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1867 |
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1868 def writebundle( |
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|
1869 ui, cg, filename, bundletype, vfs=None, compression=None, compopts=None |
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1870 ): |
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1871 """Write a bundle file and return its filename. |
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1872 |
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1873 Existing files will not be overwritten. |
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1874 If no filename is specified, a temporary file is created. |
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1875 bz2 compression can be turned off. |
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1876 The bundle file will be deleted in case of errors. |
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1877 """ |
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1878 |
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1879 if bundletype == b"HG20": |
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1880 bundle = bundle20(ui) |
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1881 bundle.setcompression(compression, compopts) |
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1882 part = bundle.newpart(b'changegroup', data=cg.getchunks()) |
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1883 part.addparam(b'version', cg.version) |
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1884 if b'clcount' in cg.extras: |
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1885 part.addparam( |
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1886 b'nbchanges', b'%d' % cg.extras[b'clcount'], mandatory=False |
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1887 ) |
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1888 chunkiter = bundle.getchunks() |
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1889 else: |
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1890 # compression argument is only for the bundle2 case |
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1891 assert compression is None |
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1892 if cg.version != b'01': |
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1893 raise error.Abort( |
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1894 _(b'old bundle types only supports v1 changegroups') |
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1895 ) |
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1896 header, comp = bundletypes[bundletype] |
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1897 if comp not in util.compengines.supportedbundletypes: |
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1898 raise error.Abort(_(b'unknown stream compression type: %s') % comp) |
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1899 compengine = util.compengines.forbundletype(comp) |
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1900 |
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1901 def chunkiter(): |
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1902 yield header |
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1903 for chunk in compengine.compressstream(cg.getchunks(), compopts): |
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1904 yield chunk |
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1905 |
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1906 chunkiter = chunkiter() |
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1907 |
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1908 # parse the changegroup data, otherwise we will block |
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1909 # in case of sshrepo because we don't know the end of the stream |
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1910 return changegroup.writechunks(ui, chunkiter, filename, vfs=vfs) |
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1911 |
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1912 |
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1913 def combinechangegroupresults(op): |
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1914 """logic to combine 0 or more addchangegroup results into one""" |
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1915 results = [r.get(b'return', 0) for r in op.records[b'changegroup']] |
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1916 changedheads = 0 |
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1917 result = 1 |
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1918 for ret in results: |
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1919 # If any changegroup result is 0, return 0 |
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1920 if ret == 0: |
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1921 result = 0 |
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1922 break |
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1923 if ret < -1: |
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1924 changedheads += ret + 1 |
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1925 elif ret > 1: |
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1926 changedheads += ret - 1 |
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1927 if changedheads > 0: |
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1928 result = 1 + changedheads |
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1929 elif changedheads < 0: |
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1930 result = -1 + changedheads |
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1931 return result |
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1932 |
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1933 |
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1934 @parthandler( |
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1935 b'changegroup', |
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1936 ( |
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1937 b'version', |
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1938 b'nbchanges', |
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1939 b'exp-sidedata', |
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1940 b'treemanifest', |
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1941 b'targetphase', |
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1942 ), |
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1943 ) |
20998
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1944 def handlechangegroup(op, inpart): |
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1945 """apply a changegroup part on the repo |
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1946 |
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1947 This is a very early implementation that will massive rework before being |
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1948 inflicted to any end-user. |
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1949 """ |
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1950 from . import localrepo |
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1951 |
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1952 tr = op.gettransaction() |
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1953 unpackerversion = inpart.params.get(b'version', b'01') |
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1954 # We should raise an appropriate exception here |
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1955 cg = changegroup.getunbundler(unpackerversion, inpart, None) |
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1956 # the source and url passed here are overwritten by the one contained in |
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1957 # the transaction.hookargs argument. So 'bundle2' is a placeholder |
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1958 nbchangesets = None |
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1959 if b'nbchanges' in inpart.params: |
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1960 nbchangesets = int(inpart.params.get(b'nbchanges')) |
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1961 if ( |
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1962 b'treemanifest' in inpart.params |
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1963 and b'treemanifest' not in op.repo.requirements |
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1964 ): |
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1965 if len(op.repo.changelog) != 0: |
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1966 raise error.Abort( |
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|
1967 _( |
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1968 b"bundle contains tree manifests, but local repo is " |
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1969 b"non-empty and does not use tree manifests" |
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1970 ) |
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1971 ) |
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1972 op.repo.requirements.add(b'treemanifest') |
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1973 op.repo.svfs.options = localrepo.resolvestorevfsoptions( |
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1974 op.repo.ui, op.repo.requirements, op.repo.features |
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1975 ) |
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|
1976 op.repo._writerequirements() |
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|
1977 |
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|
1978 bundlesidedata = bool(b'exp-sidedata' in inpart.params) |
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1979 reposidedata = bool(b'exp-sidedata-flag' in op.repo.requirements) |
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1980 if reposidedata and not bundlesidedata: |
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1981 msg = b"repository is using sidedata but the bundle source do not" |
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1982 hint = b'this is currently unsupported' |
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1983 raise error.Abort(msg, hint=hint) |
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1984 |
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1985 extrakwargs = {} |
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1986 targetphase = inpart.params.get(b'targetphase') |
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1987 if targetphase is not None: |
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1988 extrakwargs[r'targetphase'] = int(targetphase) |
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1989 ret = _processchangegroup( |
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1990 op, |
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1991 cg, |
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1992 tr, |
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1993 b'bundle2', |
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1994 b'bundle2', |
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1995 expectedtotal=nbchangesets, |
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1996 **extrakwargs |
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1997 ) |
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1998 if op.reply is not None: |
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1999 # This is definitely not the final form of this |
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2000 # return. But one need to start somewhere. |
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2001 part = op.reply.newpart(b'reply:changegroup', mandatory=False) |
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2002 part.addparam( |
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2003 b'in-reply-to', pycompat.bytestr(inpart.id), mandatory=False |
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2004 ) |
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2005 part.addparam(b'return', b'%i' % ret, mandatory=False) |
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2006 assert not inpart.read() |
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2007 |
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2008 |
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2009 _remotechangegroupparams = tuple( |
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2010 [b'url', b'size', b'digests'] |
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2011 + [b'digest:%s' % k for k in util.DIGESTS.keys()] |
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2012 ) |
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2013 |
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2014 |
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2015 @parthandler(b'remote-changegroup', _remotechangegroupparams) |
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2016 def handleremotechangegroup(op, inpart): |
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2017 """apply a bundle10 on the repo, given an url and validation information |
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2018 |
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2019 All the information about the remote bundle to import are given as |
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2020 parameters. The parameters include: |
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2021 - url: the url to the bundle10. |
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2022 - size: the bundle10 file size. It is used to validate what was |
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2023 retrieved by the client matches the server knowledge about the bundle. |
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2024 - digests: a space separated list of the digest types provided as |
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2025 parameters. |
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2026 - digest:<digest-type>: the hexadecimal representation of the digest with |
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2027 that name. Like the size, it is used to validate what was retrieved by |
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2028 the client matches what the server knows about the bundle. |
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2029 |
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2030 When multiple digest types are given, all of them are checked. |
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2031 """ |
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2032 try: |
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2033 raw_url = inpart.params[b'url'] |
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2034 except KeyError: |
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2035 raise error.Abort(_(b'remote-changegroup: missing "%s" param') % b'url') |
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2036 parsed_url = util.url(raw_url) |
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2037 if parsed_url.scheme not in capabilities[b'remote-changegroup']: |
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2038 raise error.Abort( |
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2039 _(b'remote-changegroup does not support %s urls') |
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2040 % parsed_url.scheme |
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2041 ) |
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2042 |
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2043 try: |
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2044 size = int(inpart.params[b'size']) |
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2045 except ValueError: |
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2046 raise error.Abort( |
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2047 _(b'remote-changegroup: invalid value for param "%s"') % b'size' |
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2048 ) |
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2049 except KeyError: |
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2050 raise error.Abort( |
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2051 _(b'remote-changegroup: missing "%s" param') % b'size' |
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2052 ) |
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2053 |
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2054 digests = {} |
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2055 for typ in inpart.params.get(b'digests', b'').split(): |
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2056 param = b'digest:%s' % typ |
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|
2057 try: |
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|
2058 value = inpart.params[param] |
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2059 except KeyError: |
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2060 raise error.Abort( |
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2061 _(b'remote-changegroup: missing "%s" param') % param |
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2062 ) |
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2063 digests[typ] = value |
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2064 |
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2065 real_part = util.digestchecker(url.open(op.ui, raw_url), size, digests) |
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|
2066 |
32930
af31d531dda0
changegroup: let callers pass in transaction to apply() (API)
Martin von Zweigbergk <martinvonz@google.com>
parents:
32892
diff
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|
2067 tr = op.gettransaction() |
25919
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|
2068 from . import exchange |
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2069 |
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2070 cg = exchange.readbundle(op.repo.ui, real_part, raw_url) |
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2071 if not isinstance(cg, changegroup.cg1unpacker): |
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2072 raise error.Abort( |
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2073 _(b'%s: not a bundle version 1.0') % util.hidepassword(raw_url) |
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2074 ) |
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2075 ret = _processchangegroup(op, cg, tr, b'bundle2', b'bundle2') |
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2076 if op.reply is not None: |
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|
2077 # This is definitely not the final form of this |
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2078 # return. But one need to start somewhere. |
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2079 part = op.reply.newpart(b'reply:changegroup') |
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2080 part.addparam( |
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2081 b'in-reply-to', pycompat.bytestr(inpart.id), mandatory=False |
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2082 ) |
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2083 part.addparam(b'return', b'%i' % ret, mandatory=False) |
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2084 try: |
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|
2085 real_part.validate() |
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parents:
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|
2086 except error.Abort as e: |
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|
2087 raise error.Abort( |
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2088 _(b'bundle at %s is corrupted:\n%s') |
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2089 % (util.hidepassword(raw_url), bytes(e)) |
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2090 ) |
23029
149fc8a44184
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Mike Hommey <mh@glandium.org>
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|
2091 assert not inpart.read() |
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|
2092 |
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2093 |
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|
2094 @parthandler(b'reply:changegroup', (b'return', b'in-reply-to')) |
22548
8a1ae133770a
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Mike Hommey <mh@glandium.org>
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diff
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|
2095 def handlereplychangegroup(op, inpart): |
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2096 ret = int(inpart.params[b'return']) |
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|
2097 replyto = int(inpart.params[b'in-reply-to']) |
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2098 op.records.add(b'changegroup', {b'return': ret}, replyto) |
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2099 |
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|
2100 |
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2101 @parthandler(b'check:bookmarks') |
35258
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|
2102 def handlecheckbookmarks(op, inpart): |
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|
2103 """check location of bookmarks |
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diff
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|
2104 |
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|
2105 This part is to be used to detect push race regarding bookmark, it |
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|
2106 contains binary encoded (bookmark, node) tuple. If the local state does |
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|
2107 not marks the one in the part, a PushRaced exception is raised |
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|
2108 """ |
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diff
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|
2109 bookdata = bookmarks.binarydecode(inpart) |
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|
2110 |
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2111 msgstandard = ( |
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2112 b'remote repository changed while pushing - please try again ' |
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2113 b'(bookmark "%s" move from %s to %s)' |
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2114 ) |
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2115 msgmissing = ( |
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2116 b'remote repository changed while pushing - please try again ' |
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|
2117 b'(bookmark "%s" is missing, expected %s)' |
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2118 ) |
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|
2119 msgexist = ( |
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|
2120 b'remote repository changed while pushing - please try again ' |
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|
2121 b'(bookmark "%s" set on %s, expected missing)' |
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|
2122 ) |
35258
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diff
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|
2123 for book, node in bookdata: |
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parents:
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diff
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|
2124 currentnode = op.repo._bookmarks.get(book) |
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diff
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|
2125 if currentnode != node: |
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parents:
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diff
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|
2126 if node is None: |
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Boris Feld <boris.feld@octobus.net>
parents:
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diff
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|
2127 finalmsg = msgexist % (book, nodemod.short(currentnode)) |
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|
2128 elif currentnode is None: |
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|
2129 finalmsg = msgmissing % (book, nodemod.short(node)) |
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|
2130 else: |
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|
2131 finalmsg = msgstandard % ( |
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|
2132 book, |
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|
2133 nodemod.short(node), |
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|
2134 nodemod.short(currentnode), |
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|
2135 ) |
35258
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|
2136 raise error.PushRaced(finalmsg) |
dbf868623daf
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|
2137 |
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2138 |
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|
2139 @parthandler(b'check:heads') |
22548
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Mike Hommey <mh@glandium.org>
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22390
diff
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|
2140 def handlecheckheads(op, inpart): |
21060
0bea9db7543b
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
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|
2141 """check that head of the repo did not change |
0bea9db7543b
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Pierre-Yves David <pierre-yves.david@fb.com>
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21024
diff
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|
2142 |
0bea9db7543b
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
changeset
|
2143 This is used to detect a push race when using unbundle. |
0bea9db7543b
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parents:
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diff
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|
2144 This replaces the "heads" argument of unbundle.""" |
0bea9db7543b
bundle2: add a "check:heads" handler
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diff
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|
2145 h = inpart.read(20) |
0bea9db7543b
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diff
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|
2146 heads = [] |
0bea9db7543b
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21024
diff
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|
2147 while len(h) == 20: |
0bea9db7543b
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parents:
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diff
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|
2148 heads.append(h) |
0bea9db7543b
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diff
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|
2149 h = inpart.read(20) |
0bea9db7543b
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diff
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|
2150 assert not h |
26565
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bundle2: add op.gettransaction() to handlers that need the lock
Durham Goode <durham@fb.com>
parents:
26542
diff
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|
2151 # Trigger a transaction so that we are guaranteed to have the lock now. |
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|
2152 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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|
2153 op.gettransaction() |
29294
077d0535f51f
bundle2: don't assume ordering of heads checked after push
Mads Kiilerich <madski@unity3d.com>
parents:
28883
diff
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|
2154 if sorted(heads) != sorted(op.repo.heads()): |
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|
2155 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
|
2156 b'remote repository changed while pushing - please try again' |
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|
2157 ) |
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|
2158 |
21130
1ff06386217f
bundle2: introduce `replycaps` part for on-demand reply
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21129
diff
changeset
|
2159 |
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|
2160 @parthandler(b'check:updated-heads') |
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|
2161 def handlecheckupdatedheads(op, inpart): |
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|
2162 """check for race on the heads touched by a push |
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|
2163 |
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|
2164 This is similar to 'check:heads' but focus on the heads actually updated |
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|
2165 during the push. If other activities happen on unrelated heads, it is |
16ada4cbb1a9
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|
2166 ignored. |
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|
2167 |
16ada4cbb1a9
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|
2168 This allow server with high traffic to avoid push contention as long as |
16ada4cbb1a9
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|
2169 unrelated parts of the graph are involved.""" |
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|
2170 h = inpart.read(20) |
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|
2171 heads = [] |
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|
2172 while len(h) == 20: |
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|
2173 heads.append(h) |
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|
2174 h = inpart.read(20) |
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|
2175 assert not h |
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|
2176 # trigger a transaction so that we are guaranteed to have the lock now. |
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|
2177 if op.ui.configbool(b'experimental', b'bundle2lazylocking'): |
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|
2178 op.gettransaction() |
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|
2179 |
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|
2180 currentheads = set() |
42002
662ffdde5adf
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Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41792
diff
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|
2181 for ls in op.repo.branchmap().iterheads(): |
32709
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|
2182 currentheads.update(ls) |
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|
2183 |
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|
2184 for h in heads: |
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|
2185 if h not in currentheads: |
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|
2186 raise error.PushRaced( |
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|
2187 b'remote repository changed while pushing - ' |
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|
2188 b'please try again' |
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|
2189 ) |
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|
2190 |
32709
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|
2191 |
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|
2192 @parthandler(b'check:phases') |
34820
a95067b1dca6
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34637
diff
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|
2193 def handlecheckphases(op, inpart): |
a95067b1dca6
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|
2194 """check that phase boundaries of the repository did not change |
a95067b1dca6
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diff
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|
2195 |
a95067b1dca6
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diff
changeset
|
2196 This is used to detect a push race. |
a95067b1dca6
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|
2197 """ |
a95067b1dca6
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34637
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changeset
|
2198 phasetonodes = phases.binarydecode(inpart) |
a95067b1dca6
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2199 unfi = op.repo.unfiltered() |
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|
2200 cl = unfi.changelog |
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2201 phasecache = unfi._phasecache |
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2202 msg = ( |
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2203 b'remote repository changed while pushing - please try again ' |
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2204 b'(%s is %s expected %s)' |
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2205 ) |
34820
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|
2206 for expectedphase, nodes in enumerate(phasetonodes): |
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parents:
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|
2207 for n in nodes: |
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|
2208 actualphase = phasecache.phase(unfi, cl.rev(n)) |
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|
2209 if actualphase != expectedphase: |
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2210 finalmsg = msg % ( |
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|
2211 nodemod.short(n), |
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2212 phases.phasenames[actualphase], |
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2213 phases.phasenames[expectedphase], |
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2214 ) |
34820
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|
2215 raise error.PushRaced(finalmsg) |
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|
2216 |
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2217 |
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|
2218 @parthandler(b'output') |
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parents:
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diff
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|
2219 def handleoutput(op, inpart): |
b7435117d951
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|
2220 """forward output captured on the server to the client""" |
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|
2221 for line in inpart.read().splitlines(): |
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2222 op.ui.status(_(b'remote: %s\n') % line) |
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2223 |
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2224 |
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2225 @parthandler(b'replycaps') |
21130
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21129
diff
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|
2226 def handlereplycaps(op, inpart): |
1ff06386217f
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diff
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|
2227 """Notify that a reply bundle should be created |
1ff06386217f
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parents:
21129
diff
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|
2228 |
21138
f469879d27ec
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parents:
21137
diff
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|
2229 The payload contains the capabilities information for the reply""" |
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diff
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|
2230 caps = decodecaps(inpart.read()) |
21130
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parents:
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diff
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|
2231 if op.reply is None: |
21135
98fbf3adfd83
bundle2: add capabilities support in `replycaps` part
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parents:
21134
diff
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|
2232 op.reply = bundle20(op.ui, caps) |
21131
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2233 |
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2234 |
26829
58f1645f72c3
bundle2: attribute remote failures to remote (issue4788)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26802
diff
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|
2235 class AbortFromPart(error.Abort): |
58f1645f72c3
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
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|
2236 """Sub-class of Abort that denotes an error from a bundle2 part.""" |
58f1645f72c3
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parents:
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|
2237 |
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2238 |
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|
2239 @parthandler(b'error:abort', (b'message', b'hint')) |
24741
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diff
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|
2240 def handleerrorabort(op, inpart): |
21177
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|
2241 """Used to transmit abort error over the wire""" |
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2242 raise AbortFromPart( |
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|
2243 inpart.params[b'message'], hint=inpart.params.get(b'hint') |
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2244 ) |
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|
2245 |
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|
2246 |
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|
2247 @parthandler( |
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2248 b'error:pushkey', |
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|
2249 (b'namespace', b'key', b'new', b'old', b'ret', b'in-reply-to'), |
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|
2250 ) |
25493
d8e7b0781ad7
bundle2: convey PushkeyFailed error over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25492
diff
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|
2251 def handleerrorpushkey(op, inpart): |
d8e7b0781ad7
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25492
diff
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|
2252 """Used to transmit failure of a mandatory pushkey over the wire""" |
d8e7b0781ad7
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parents:
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diff
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|
2253 kwargs = {} |
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|
2254 for name in (b'namespace', b'key', b'new', b'old', b'ret'): |
25493
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
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diff
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|
2255 value = inpart.params.get(name) |
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parents:
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diff
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|
2256 if value is not None: |
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parents:
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|
2257 kwargs[name] = value |
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|
2258 raise error.PushkeyFailed( |
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|
2259 inpart.params[b'in-reply-to'], **pycompat.strkwargs(kwargs) |
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|
2260 ) |
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|
2261 |
25493
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diff
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|
2262 |
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|
2263 @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
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|
2264 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
|
2265 """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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|
2266 kwargs = {} |
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|
2267 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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|
2268 if parttype is not None: |
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|
2269 kwargs[b'parttype'] = parttype |
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|
2270 params = inpart.params.get(b'params') |
21622
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parents:
21620
diff
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|
2271 if params is not None: |
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|
2272 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
|
2273 |
36427
247b473f408e
bundle2: **strkwargs love on various kwargs constructions
Augie Fackler <augie@google.com>
parents:
36273
diff
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|
2274 raise error.BundleUnknownFeatureError(**pycompat.strkwargs(kwargs)) |
21186
9f3652e851f8
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21185
diff
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|
2275 |
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|
2276 |
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|
2277 @parthandler(b'error:pushraced', (b'message',)) |
24741
bb67e52362d6
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parents:
24733
diff
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|
2278 def handleerrorpushraced(op, inpart): |
21186
9f3652e851f8
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21185
diff
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|
2279 """Used to transmit push race error over the wire""" |
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|
2280 raise error.ResponseError(_(b'push failed:'), inpart.params[b'message']) |
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2281 |
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|
2282 |
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|
2283 @parthandler(b'listkeys', (b'namespace',)) |
21655
35095f332846
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21644
diff
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|
2284 def handlelistkeys(op, inpart): |
35095f332846
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21644
diff
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|
2285 """retrieve pushkey namespace content stored in a bundle2""" |
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|
2286 namespace = inpart.params[b'namespace'] |
21655
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diff
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|
2287 r = pushkey.decodekeys(inpart.read()) |
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2288 op.records.add(b'listkeys', (namespace, r)) |
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2289 |
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|
2290 |
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|
2291 @parthandler(b'pushkey', (b'namespace', b'key', b'old', b'new')) |
21660
e87d2a12d41b
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diff
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|
2292 def handlepushkey(op, inpart): |
e87d2a12d41b
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|
2293 """process a pushkey request""" |
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|
2294 dec = pushkey.decode |
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2295 namespace = dec(inpart.params[b'namespace']) |
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|
2296 key = dec(inpart.params[b'key']) |
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2297 old = dec(inpart.params[b'old']) |
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2298 new = dec(inpart.params[b'new']) |
26565
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26542
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|
2299 # Grab the transaction to ensure that we have the lock before performing the |
ee1bcb9aa6e4
bundle2: add op.gettransaction() to handlers that need the lock
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2300 # pushkey. |
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|
2301 if op.ui.configbool(b'experimental', b'bundle2lazylocking'): |
26565
ee1bcb9aa6e4
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parents:
26542
diff
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|
2302 op.gettransaction() |
21660
e87d2a12d41b
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21655
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|
2303 ret = op.repo.pushkey(namespace, key, old, new) |
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|
2304 record = {b'namespace': namespace, b'key': key, b'old': old, b'new': new} |
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|
2305 op.records.add(b'pushkey', record) |
21660
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2306 if op.reply is not None: |
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2307 rpart = op.reply.newpart(b'reply:pushkey') |
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|
2308 rpart.addparam( |
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|
2309 b'in-reply-to', pycompat.bytestr(inpart.id), mandatory=False |
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2310 ) |
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|
2311 rpart.addparam(b'return', b'%i' % ret, mandatory=False) |
25481
6de96cb31176
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parents:
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diff
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|
2312 if inpart.mandatory and not ret: |
25484
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|
2313 kwargs = {} |
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|
2314 for key in (b'namespace', b'key', b'new', b'old', b'ret'): |
25484
a5192774e925
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diff
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|
2315 if key in inpart.params: |
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diff
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|
2316 kwargs[key] = inpart.params[key] |
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2317 raise error.PushkeyFailed( |
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|
2318 partid=b'%d' % inpart.id, **pycompat.strkwargs(kwargs) |
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|
2319 ) |
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|
2320 |
21660
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2321 |
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|
2322 @parthandler(b'bookmarks') |
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Boris Feld <boris.feld@octobus.net>
parents:
35259
diff
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|
2323 def handlebookmark(op, inpart): |
af5507203d01
bookmark: introduce a 'bookmarks' part
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|
2324 """transmit bookmark information |
af5507203d01
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diff
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|
2325 |
35266
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2326 The part contains binary encoded bookmark information. |
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2327 |
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2328 The exact behavior of this part can be controlled by the 'bookmarks' mode |
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|
2329 on the bundle operation. |
35260
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diff
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|
2330 |
35266
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|
2331 When mode is 'apply' (the default) the bookmark information is applied as |
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|
2332 is to the unbundling repository. Make sure a 'check:bookmarks' part is |
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|
2333 issued earlier to check for push races in such update. This behavior is |
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|
2334 suitable for pushing. |
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|
2335 |
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|
2336 When mode is 'records', the information is recorded into the 'bookmarks' |
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|
2337 records of the bundle operation. This behavior is suitable for pulling. |
35260
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|
2338 """ |
af5507203d01
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|
2339 changes = bookmarks.binarydecode(inpart) |
35261
f392066d127c
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diff
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|
2340 |
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2341 pushkeycompat = op.repo.ui.configbool( |
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2342 b'server', b'bookmarks-pushkey-compat' |
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2343 ) |
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2344 bookmarksmode = op.modes.get(b'bookmarks', b'apply') |
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2345 |
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|
2346 if bookmarksmode == b'apply': |
35266
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2347 tr = op.gettransaction() |
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2348 bookstore = op.repo._bookmarks |
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2349 if pushkeycompat: |
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2350 allhooks = [] |
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2351 for book, node in changes: |
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|
2352 hookargs = tr.hookargs.copy() |
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2353 hookargs[b'pushkeycompat'] = b'1' |
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2354 hookargs[b'namespace'] = b'bookmarks' |
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2355 hookargs[b'key'] = book |
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2356 hookargs[b'old'] = nodemod.hex(bookstore.get(book, b'')) |
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2357 hookargs[b'new'] = nodemod.hex( |
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2358 node if node is not None else b'' |
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|
2359 ) |
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|
2360 allhooks.append(hookargs) |
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|
2361 |
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|
2362 for hookargs in allhooks: |
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|
2363 op.repo.hook( |
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2364 b'prepushkey', throw=True, **pycompat.strkwargs(hookargs) |
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2365 ) |
35266
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|
2366 |
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|
2367 bookstore.applychanges(op.repo, op.gettransaction(), changes) |
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|
2368 |
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|
2369 if pushkeycompat: |
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|
2370 |
35266
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|
2371 def runhook(): |
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|
2372 for hookargs in allhooks: |
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|
2373 op.repo.hook(b'pushkey', **pycompat.strkwargs(hookargs)) |
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2374 |
35266
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|
2375 op.repo._afterlock(runhook) |
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|
2376 |
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|
2377 elif bookmarksmode == b'records': |
35261
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|
2378 for book, node in changes: |
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2379 record = {b'bookmark': book, b'node': node} |
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2380 op.records.add(b'bookmarks', record) |
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2381 else: |
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2382 raise error.ProgrammingError( |
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|
2383 b'unkown bookmark mode: %s' % bookmarksmode |
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2384 ) |
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|
2385 |
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|
2386 |
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|
2387 @parthandler(b'phase-heads') |
33031
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Martin von Zweigbergk <martinvonz@google.com>
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33030
diff
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|
2388 def handlephases(op, inpart): |
e8c8d81eb864
bundle: add config option to include phases
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33030
diff
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|
2389 """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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|
2390 headsbyphase = phases.binarydecode(inpart) |
34321
4ef472b975ff
bundle2: only grab a transaction when 'phase-heads' affect the repository
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34320
diff
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|
2391 phases.updatephases(op.repo.unfiltered(), op.gettransaction, headsbyphase) |
33031
e8c8d81eb864
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|
2392 |
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|
2393 |
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2394 @parthandler(b'reply:pushkey', (b'return', b'in-reply-to')) |
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|
2395 def handlepushkeyreply(op, inpart): |
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2396 """retrieve the result of a pushkey request""" |
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2397 ret = int(inpart.params[b'return']) |
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2398 partid = int(inpart.params[b'in-reply-to']) |
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2399 op.records.add(b'pushkey', {b'return': ret}, partid) |
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2400 |
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2401 |
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|
2402 @parthandler(b'obsmarkers') |
22336
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|
2403 def handleobsmarker(op, inpart): |
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2404 """add a stream of obsmarkers to the repo""" |
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|
2405 tr = op.gettransaction() |
24733
c00e4338fa4b
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24686
diff
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|
2406 markerdata = inpart.read() |
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|
2407 if op.ui.config(b'experimental', b'obsmarkers-exchange-debug'): |
43080
86e4daa2d54c
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|
2408 op.ui.writenoi18n( |
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2409 b'obsmarker-exchange: %i bytes received\n' % len(markerdata) |
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2410 ) |
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|
2411 # The mergemarkers call will crash if marker creation is not enabled. |
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|
2412 # 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
|
2413 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
|
2414 op.repo.ui.debug( |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2415 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
|
2416 ) |
26685
ea390d889d3a
bundle2: gracefully skip 'obsmarkers' part if evolution is disabled
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26587
diff
changeset
|
2417 return |
24733
c00e4338fa4b
obsolete: experimental flag to get debug about obsmarkers exchange
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24686
diff
changeset
|
2418 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
|
2419 op.repo.invalidatevolatilesets() |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2420 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
|
2421 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
|
2422 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
|
2423 rpart.addparam( |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2424 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
|
2425 ) |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2426 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
|
2427 |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2428 |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2429 @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
|
2430 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
|
2431 """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
|
2432 ret = int(inpart.params[b'new']) |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2433 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
|
2434 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
|
2435 |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2436 |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2437 @parthandler(b'hgtagsfnodes') |
25401
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2438 def handlehgtagsfnodes(op, inpart): |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2439 """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
|
2440 |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2441 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
|
2442 """ |
26565
ee1bcb9aa6e4
bundle2: add op.gettransaction() to handlers that need the lock
Durham Goode <durham@fb.com>
parents:
26542
diff
changeset
|
2443 # 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
|
2444 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
|
2445 op.gettransaction() |
25401
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2446 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
|
2447 |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2448 count = 0 |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2449 while True: |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2450 node = inpart.read(20) |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2451 fnode = inpart.read(20) |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2452 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
|
2453 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
|
2454 break |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2455 cache.setfnode(node, fnode) |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2456 count += 1 |
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 cache.write() |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2459 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
|
2460 |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2461 |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2462 rbcstruct = struct.Struct(b'>III') |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2463 |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2464 |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2465 @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
|
2466 def handlerbc(op, inpart): |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2467 """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
|
2468 |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2469 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
|
2470 |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2471 1) branch name length |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2472 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
|
2473 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
|
2474 4) open heads nodes |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2475 5) closed heads nodes |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2476 """ |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2477 total = 0 |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2478 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
|
2479 cache = op.repo.revbranchcache() |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2480 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
|
2481 while rawheader: |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2482 header = rbcstruct.unpack(rawheader) |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2483 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
|
2484 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
|
2485 branch = encoding.tolocal(utf8branch) |
38783
e7aa113b14f7
global: use pycompat.xrange()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38701
diff
changeset
|
2486 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
|
2487 node = inpart.read(20) |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2488 rev = cl.rev(node) |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2489 cache.setdata(branch, rev, node, False) |
38783
e7aa113b14f7
global: use pycompat.xrange()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38701
diff
changeset
|
2490 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
|
2491 node = inpart.read(20) |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2492 rev = cl.rev(node) |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2493 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
|
2494 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
|
2495 cache.write() |
9988fc10f49e
revbranchcache: add a bundle2 handler for a rbc part
Boris Feld <boris.feld@octobus.net>
parents:
36428
diff
changeset
|
2496 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
2497 |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2498 @parthandler(b'pushvars') |
33693
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2499 def bundle2getvars(op, part): |
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2500 '''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
|
2501 # 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
|
2502 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
|
2503 hookargs = {} |
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2504 for key, value in part.advisoryparams: |
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2505 key = key.upper() |
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2506 # 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
|
2507 # 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
|
2508 key = b"USERVAR_" + key |
33693
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2509 hookargs[key] = value |
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2510 op.addhookargs(hookargs) |
35758
b996ddf5963d
bundle2: add a 'stream' part handler for stream cloning
Boris Feld <boris.feld@octobus.net>
parents:
35655
diff
changeset
|
2511 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42931
diff
changeset
|
2512 |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2513 @parthandler(b'stream2', (b'requirements', b'filecount', b'bytecount')) |
35788
b116a66bcc44
bundle2: move version of stream clone into part name
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35787
diff
changeset
|
2514 def handlestreamv2bundle(op, part): |
35758
b996ddf5963d
bundle2: add a 'stream' part handler for stream cloning
Boris Feld <boris.feld@octobus.net>
parents:
35655
diff
changeset
|
2515 |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2516 requirements = urlreq.unquote(part.params[b'requirements']).split(b',') |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2517 filecount = int(part.params[b'filecount']) |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
2518 bytecount = int(part.params[b'bytecount']) |
35758
b996ddf5963d
bundle2: add a 'stream' part handler for stream cloning
Boris Feld <boris.feld@octobus.net>
parents:
35655
diff
changeset
|
2519 |
b996ddf5963d
bundle2: add a 'stream' part handler for stream cloning
Boris Feld <boris.feld@octobus.net>
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35655
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2520 repo = op.repo |
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bundle2: add a 'stream' part handler for stream cloning
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2521 if len(repo): |
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2522 msg = _(b'cannot apply stream clone to non empty repository') |
35758
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bundle2: add a 'stream' part handler for stream cloning
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parents:
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2523 raise error.Abort(msg) |
b996ddf5963d
bundle2: add a 'stream' part handler for stream cloning
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2524 |
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2525 repo.ui.debug(b'applying stream bundle\n') |
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2526 streamclone.applybundlev2(repo, part, filecount, bytecount, requirements) |
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2527 |
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2528 |
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2529 def widen_bundle( |
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2530 bundler, repo, oldmatcher, newmatcher, common, known, cgversion, ellipses |
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2531 ): |
40072
1ea80ac13f19
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Pulkit Goyal <pulkit@yandex-team.ru>
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diff
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2532 """generates bundle2 for widening a narrow clone |
1ea80ac13f19
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parents:
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2533 |
42417
a97b12f726e4
narrow: pass the bundle to bundle2.widen_bundle() instead of generating there
Pulkit Goyal <7895pulkit@gmail.com>
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diff
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2534 bundler is the bundle to which data should be added |
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2535 repo is the localrepository instance |
40344
2c5835b4246b
narrow: when widening, don't include manifests the client already has
Martin von Zweigbergk <martinvonz@google.com>
parents:
40338
diff
changeset
|
2536 oldmatcher matches what the client already has |
2c5835b4246b
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Martin von Zweigbergk <martinvonz@google.com>
parents:
40338
diff
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|
2537 newmatcher matches what the client needs (including what it already has) |
40072
1ea80ac13f19
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2538 common is set of common heads between server and client |
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2539 known is a set of revs known on the client side (used in ellipses) |
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2540 cgversion is the changegroup version to send |
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2541 ellipses is boolean value telling whether to send ellipses data or not |
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|
2542 |
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2543 returns bundle2 of the data required for extending |
1ea80ac13f19
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2544 """ |
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2545 commonnodes = set() |
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2546 cl = repo.changelog |
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2547 for r in repo.revs(b"::%ln", common): |
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2548 commonnodes.add(cl.node(r)) |
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2549 if commonnodes: |
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2550 # XXX: we should only send the filelogs (and treemanifest). user |
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2551 # already has the changelog and manifest |
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2552 packer = changegroup.getbundler( |
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2553 cgversion, |
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2554 repo, |
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2555 oldmatcher=oldmatcher, |
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2556 matcher=newmatcher, |
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2557 fullnodes=commonnodes, |
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|
2558 ) |
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2559 cgdata = packer.generate( |
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2560 {nodemod.nullid}, |
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|
2561 list(commonnodes), |
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2562 False, |
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2563 b'narrow_widen', |
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2564 changelog=False, |
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|
2565 ) |
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2566 |
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2567 part = bundler.newpart(b'changegroup', data=cgdata) |
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2568 part.addparam(b'version', cgversion) |
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2569 if b'treemanifest' in repo.requirements: |
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2570 part.addparam(b'treemanifest', b'1') |
43131
c17a63eb5d4c
sidedata: apply basic but tight security around exchange
Pierre-Yves David <pierre-yves.david@octobus.net>
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43117
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|
2571 if b'exp-sidedata-flag' in repo.requirements: |
c17a63eb5d4c
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diff
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|
2572 part.addparam(b'exp-sidedata', b'1') |
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1ea80ac13f19
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|
2573 |
1ea80ac13f19
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2574 return bundler |