Mercurial > hg
annotate mercurial/bundlerepo.py @ 46924:ca0049946e9a
split: avoid strip if split is a no-op (identical to original)
Differential Revision: https://phab.mercurial-scm.org/D10389
author | Kyle Lippincott <spectral@google.com> |
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date | Mon, 12 Apr 2021 19:25:34 -0700 |
parents | ffd3e823a7e5 |
children | d55b71393907 |
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1 # bundlerepo.py - repository class for viewing uncompressed bundles |
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2 # |
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3 # Copyright 2006, 2007 Benoit Boissinot <bboissin@gmail.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 """Repository class for viewing uncompressed bundles. |
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9 |
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10 This provides a read-only repository interface to bundles as if they |
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11 were part of the actual repository. |
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12 """ |
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13 |
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14 from __future__ import absolute_import |
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15 |
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16 import os |
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17 import shutil |
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18 |
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19 from .i18n import _ |
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20 from .node import ( |
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21 hex, |
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22 nullid, |
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23 nullrev, |
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24 ) |
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25 |
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26 from . import ( |
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27 bundle2, |
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28 changegroup, |
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29 changelog, |
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30 cmdutil, |
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31 discovery, |
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32 encoding, |
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33 error, |
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34 exchange, |
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35 filelog, |
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36 localrepo, |
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37 manifest, |
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38 mdiff, |
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39 pathutil, |
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40 phases, |
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41 pycompat, |
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42 revlog, |
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43 util, |
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44 vfs as vfsmod, |
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45 ) |
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46 from .utils import ( |
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47 urlutil, |
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48 ) |
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49 |
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50 |
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51 class bundlerevlog(revlog.revlog): |
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52 def __init__(self, opener, indexfile, cgunpacker, linkmapper): |
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53 # How it works: |
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54 # To retrieve a revision, we need to know the offset of the revision in |
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55 # the bundle (an unbundle object). We store this offset in the index |
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56 # (start). The base of the delta is stored in the base field. |
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57 # |
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58 # To differentiate a rev in the bundle from a rev in the revlog, we |
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59 # check revision against repotiprev. |
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60 opener = vfsmod.readonlyvfs(opener) |
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61 revlog.revlog.__init__(self, opener, indexfile) |
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62 self.bundle = cgunpacker |
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63 n = len(self) |
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64 self.repotiprev = n - 1 |
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65 self.bundlerevs = set() # used by 'bundle()' revset expression |
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66 for deltadata in cgunpacker.deltaiter(): |
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67 node, p1, p2, cs, deltabase, delta, flags, sidedata = deltadata |
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68 |
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69 size = len(delta) |
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70 start = cgunpacker.tell() - size |
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71 |
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72 if self.index.has_node(node): |
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73 # this can happen if two branches make the same change |
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74 self.bundlerevs.add(self.index.rev(node)) |
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75 continue |
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76 if cs == node: |
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77 linkrev = nullrev |
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78 else: |
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79 linkrev = linkmapper(cs) |
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80 |
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81 for p in (p1, p2): |
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82 if not self.index.has_node(p): |
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83 raise error.LookupError( |
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84 p, self.indexfile, _(b"unknown parent") |
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85 ) |
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86 |
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87 if not self.index.has_node(deltabase): |
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88 raise LookupError( |
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89 deltabase, self.indexfile, _(b'unknown delta base') |
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90 ) |
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91 |
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92 baserev = self.rev(deltabase) |
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93 # start, size, full unc. size, base (unused), link, p1, p2, node |
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94 e = ( |
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95 revlog.offset_type(start, flags), |
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96 size, |
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97 -1, |
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98 baserev, |
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99 linkrev, |
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100 self.rev(p1), |
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101 self.rev(p2), |
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102 node, |
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103 ) |
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104 self.index.append(e) |
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105 self.bundlerevs.add(n) |
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106 n += 1 |
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107 |
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108 def _chunk(self, rev, df=None): |
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109 # Warning: in case of bundle, the diff is against what we stored as |
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110 # delta base, not against rev - 1 |
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111 # XXX: could use some caching |
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112 if rev <= self.repotiprev: |
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113 return revlog.revlog._chunk(self, rev) |
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114 self.bundle.seek(self.start(rev)) |
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115 return self.bundle.read(self.length(rev)) |
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116 |
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117 def revdiff(self, rev1, rev2): |
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118 """return or calculate a delta between two revisions""" |
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119 if rev1 > self.repotiprev and rev2 > self.repotiprev: |
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120 # hot path for bundle |
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121 revb = self.index[rev2][3] |
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122 if revb == rev1: |
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123 return self._chunk(rev2) |
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124 elif rev1 <= self.repotiprev and rev2 <= self.repotiprev: |
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125 return revlog.revlog.revdiff(self, rev1, rev2) |
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126 |
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127 return mdiff.textdiff(self.rawdata(rev1), self.rawdata(rev2)) |
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128 |
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129 def _rawtext(self, node, rev, _df=None): |
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130 if rev is None: |
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131 rev = self.rev(node) |
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132 validated = False |
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133 rawtext = None |
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134 chain = [] |
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135 iterrev = rev |
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136 # reconstruct the revision if it is from a changegroup |
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137 while iterrev > self.repotiprev: |
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138 if self._revisioncache and self._revisioncache[1] == iterrev: |
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139 rawtext = self._revisioncache[2] |
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140 break |
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141 chain.append(iterrev) |
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142 iterrev = self.index[iterrev][3] |
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143 if iterrev == nullrev: |
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144 rawtext = b'' |
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145 elif rawtext is None: |
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146 r = super(bundlerevlog, self)._rawtext( |
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147 self.node(iterrev), iterrev, _df=_df |
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148 ) |
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149 __, rawtext, validated = r |
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150 if chain: |
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151 validated = False |
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152 while chain: |
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153 delta = self._chunk(chain.pop()) |
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154 rawtext = mdiff.patches(rawtext, [delta]) |
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155 return rev, rawtext, validated |
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156 |
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157 def addrevision(self, *args, **kwargs): |
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158 raise NotImplementedError |
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159 |
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160 def addgroup(self, *args, **kwargs): |
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161 raise NotImplementedError |
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162 |
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163 def strip(self, *args, **kwargs): |
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164 raise NotImplementedError |
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165 |
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166 def checksize(self): |
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167 raise NotImplementedError |
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168 |
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169 |
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170 class bundlechangelog(bundlerevlog, changelog.changelog): |
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171 def __init__(self, opener, cgunpacker): |
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172 changelog.changelog.__init__(self, opener) |
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173 linkmapper = lambda x: x |
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174 bundlerevlog.__init__( |
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175 self, opener, self.indexfile, cgunpacker, linkmapper |
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176 ) |
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177 |
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178 |
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179 class bundlemanifest(bundlerevlog, manifest.manifestrevlog): |
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180 def __init__( |
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181 self, |
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182 nodeconstants, |
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183 opener, |
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184 cgunpacker, |
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185 linkmapper, |
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186 dirlogstarts=None, |
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187 dir=b'', |
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188 ): |
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189 manifest.manifestrevlog.__init__(self, nodeconstants, opener, tree=dir) |
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190 bundlerevlog.__init__( |
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191 self, opener, self.indexfile, cgunpacker, linkmapper |
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192 ) |
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193 if dirlogstarts is None: |
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194 dirlogstarts = {} |
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195 if self.bundle.version == b"03": |
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196 dirlogstarts = _getfilestarts(self.bundle) |
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197 self._dirlogstarts = dirlogstarts |
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198 self._linkmapper = linkmapper |
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199 |
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200 def dirlog(self, d): |
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201 if d in self._dirlogstarts: |
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202 self.bundle.seek(self._dirlogstarts[d]) |
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203 return bundlemanifest( |
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204 self.nodeconstants, |
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205 self.opener, |
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206 self.bundle, |
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207 self._linkmapper, |
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208 self._dirlogstarts, |
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209 dir=d, |
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210 ) |
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211 return super(bundlemanifest, self).dirlog(d) |
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212 |
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213 |
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214 class bundlefilelog(filelog.filelog): |
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215 def __init__(self, opener, path, cgunpacker, linkmapper): |
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216 filelog.filelog.__init__(self, opener, path) |
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217 self._revlog = bundlerevlog( |
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218 opener, self.indexfile, cgunpacker, linkmapper |
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219 ) |
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220 |
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221 |
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222 class bundlepeer(localrepo.localpeer): |
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223 def canpush(self): |
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224 return False |
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225 |
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226 |
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227 class bundlephasecache(phases.phasecache): |
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228 def __init__(self, *args, **kwargs): |
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229 super(bundlephasecache, self).__init__(*args, **kwargs) |
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230 if util.safehasattr(self, 'opener'): |
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231 self.opener = vfsmod.readonlyvfs(self.opener) |
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232 |
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233 def write(self): |
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234 raise NotImplementedError |
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235 |
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236 def _write(self, fp): |
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237 raise NotImplementedError |
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238 |
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239 def _updateroots(self, phase, newroots, tr): |
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240 self.phaseroots[phase] = newroots |
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241 self.invalidate() |
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242 self.dirty = True |
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243 |
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244 |
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245 def _getfilestarts(cgunpacker): |
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246 filespos = {} |
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247 for chunkdata in iter(cgunpacker.filelogheader, {}): |
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248 fname = chunkdata[b'filename'] |
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249 filespos[fname] = cgunpacker.tell() |
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250 for chunk in iter(lambda: cgunpacker.deltachunk(None), {}): |
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251 pass |
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252 return filespos |
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253 |
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254 |
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255 class bundlerepository(object): |
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256 """A repository instance that is a union of a local repo and a bundle. |
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257 |
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258 Instances represent a read-only repository composed of a local repository |
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259 with the contents of a bundle file applied. The repository instance is |
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260 conceptually similar to the state of a repository after an |
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261 ``hg unbundle`` operation. However, the contents of the bundle are never |
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262 applied to the actual base repository. |
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263 |
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264 Instances constructed directly are not usable as repository objects. |
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265 Use instance() or makebundlerepository() to create instances. |
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266 """ |
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267 |
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268 def __init__(self, bundlepath, url, tempparent): |
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269 self._tempparent = tempparent |
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270 self._url = url |
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271 |
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272 self.ui.setconfig(b'phases', b'publish', False, b'bundlerepo') |
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273 |
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274 self.tempfile = None |
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275 f = util.posixfile(bundlepath, b"rb") |
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276 bundle = exchange.readbundle(self.ui, f, bundlepath) |
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277 |
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278 if isinstance(bundle, bundle2.unbundle20): |
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279 self._bundlefile = bundle |
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280 self._cgunpacker = None |
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281 |
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282 cgpart = None |
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283 for part in bundle.iterparts(seekable=True): |
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284 if part.type == b'changegroup': |
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285 if cgpart: |
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286 raise NotImplementedError( |
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287 b"can't process multiple changegroups" |
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288 ) |
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289 cgpart = part |
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290 |
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291 self._handlebundle2part(bundle, part) |
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292 |
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293 if not cgpart: |
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294 raise error.Abort(_(b"No changegroups found")) |
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295 |
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296 # This is required to placate a later consumer, which expects |
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297 # the payload offset to be at the beginning of the changegroup. |
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298 # We need to do this after the iterparts() generator advances |
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299 # because iterparts() will seek to end of payload after the |
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300 # generator returns control to iterparts(). |
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301 cgpart.seek(0, os.SEEK_SET) |
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302 |
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303 elif isinstance(bundle, changegroup.cg1unpacker): |
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304 if bundle.compressed(): |
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305 f = self._writetempbundle( |
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306 bundle.read, b'.hg10un', header=b'HG10UN' |
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307 ) |
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308 bundle = exchange.readbundle(self.ui, f, bundlepath, self.vfs) |
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309 |
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310 self._bundlefile = bundle |
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311 self._cgunpacker = bundle |
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312 else: |
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313 raise error.Abort( |
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314 _(b'bundle type %s cannot be read') % type(bundle) |
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315 ) |
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316 |
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317 # dict with the mapping 'filename' -> position in the changegroup. |
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318 self._cgfilespos = {} |
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320 self.firstnewrev = self.changelog.repotiprev + 1 |
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321 phases.retractboundary( |
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322 self, |
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323 None, |
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324 phases.draft, |
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325 [ctx.node() for ctx in self[self.firstnewrev :]], |
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326 ) |
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327 |
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328 def _handlebundle2part(self, bundle, part): |
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329 if part.type != b'changegroup': |
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330 return |
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331 |
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332 cgstream = part |
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333 version = part.params.get(b'version', b'01') |
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334 legalcgvers = changegroup.supportedincomingversions(self) |
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335 if version not in legalcgvers: |
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336 msg = _(b'Unsupported changegroup version: %s') |
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337 raise error.Abort(msg % version) |
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338 if bundle.compressed(): |
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339 cgstream = self._writetempbundle(part.read, b'.cg%sun' % version) |
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340 |
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341 self._cgunpacker = changegroup.getunbundler(version, cgstream, b'UN') |
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342 |
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343 def _writetempbundle(self, readfn, suffix, header=b''): |
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344 """Write a temporary file to disk""" |
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345 fdtemp, temp = self.vfs.mkstemp(prefix=b"hg-bundle-", suffix=suffix) |
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346 self.tempfile = temp |
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347 |
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348 with os.fdopen(fdtemp, 'wb') as fptemp: |
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349 fptemp.write(header) |
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350 while True: |
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351 chunk = readfn(2 ** 18) |
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352 if not chunk: |
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353 break |
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354 fptemp.write(chunk) |
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355 |
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356 return self.vfs.open(self.tempfile, mode=b"rb") |
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357 |
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358 @localrepo.unfilteredpropertycache |
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359 def _phasecache(self): |
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360 return bundlephasecache(self, self._phasedefaults) |
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361 |
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362 @localrepo.unfilteredpropertycache |
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363 def changelog(self): |
14144
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364 # consume the header if it exists |
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365 self._cgunpacker.changelogheader() |
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366 c = bundlechangelog(self.svfs, self._cgunpacker) |
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367 self.manstart = self._cgunpacker.tell() |
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368 return c |
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369 |
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370 def _refreshchangelog(self): |
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371 # changelog for bundle repo are not filecache, this method is not |
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372 # applicable. |
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373 pass |
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374 |
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375 @localrepo.unfilteredpropertycache |
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376 def manifestlog(self): |
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377 self._cgunpacker.seek(self.manstart) |
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378 # consume the header if it exists |
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379 self._cgunpacker.manifestheader() |
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380 linkmapper = self.unfiltered().changelog.rev |
46780
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381 rootstore = bundlemanifest( |
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382 self.nodeconstants, self.svfs, self._cgunpacker, linkmapper |
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383 ) |
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384 self.filestart = self._cgunpacker.tell() |
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385 |
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386 return manifest.manifestlog( |
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387 self.svfs, self, rootstore, self.narrowmatch() |
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388 ) |
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389 |
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390 def _consumemanifest(self): |
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391 """Consumes the manifest portion of the bundle, setting filestart so the |
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392 file portion can be read.""" |
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393 self._cgunpacker.seek(self.manstart) |
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394 self._cgunpacker.manifestheader() |
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395 for delta in self._cgunpacker.deltaiter(): |
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396 pass |
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397 self.filestart = self._cgunpacker.tell() |
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398 |
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399 @localrepo.unfilteredpropertycache |
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400 def manstart(self): |
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401 self.changelog |
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402 return self.manstart |
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403 |
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|
404 @localrepo.unfilteredpropertycache |
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|
405 def filestart(self): |
30375
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406 self.manifestlog |
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407 |
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408 # If filestart was not set by self.manifestlog, that means the |
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409 # manifestlog implementation did not consume the manifests from the |
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410 # changegroup (ex: it might be consuming trees from a separate bundle2 |
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|
411 # part instead). So we need to manually consume it. |
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cleanup: remove pointless r-prefixes on single-quoted strings
Augie Fackler <augie@google.com>
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changeset
|
412 if 'filestart' not in self.__dict__: |
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413 self._consumemanifest() |
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414 |
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415 return self.filestart |
1942
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diff
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|
416 |
2673
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|
417 def url(self): |
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418 return self._url |
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419 |
1942
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|
420 def file(self, f): |
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|
421 if not self._cgfilespos: |
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422 self._cgunpacker.seek(self.filestart) |
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|
423 self._cgfilespos = _getfilestarts(self._cgunpacker) |
5262 | 424 |
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changeset
|
425 if f in self._cgfilespos: |
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|
426 self._cgunpacker.seek(self._cgfilespos[f]) |
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bundlerepo: properly handle hidden linkrev in filelog (issue4945)
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parents:
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diff
changeset
|
427 linkmapper = self.unfiltered().changelog.rev |
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changeset
|
428 return bundlefilelog(self.svfs, f, self._cgunpacker, linkmapper) |
1942
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|
429 else: |
37331
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|
430 return super(bundlerepository, self).file(f) |
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changeset
|
431 |
12347
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diff
changeset
|
432 def close(self): |
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changeset
|
433 """Close assigned bundle file immediately.""" |
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diff
changeset
|
434 self._bundlefile.close() |
12962
ff083040a555
bundlerepository: get rid of temporary bundle files (issue2478)
Klaus Koch <kuk42@gmx.net>
parents:
12961
diff
changeset
|
435 if self.tempfile is not None: |
20981
4fdd1172d37e
bundlerepo: treat temporarily extracted bundle file via vfs
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
20790
diff
changeset
|
436 self.vfs.unlink(self.tempfile) |
6314
9a1c59283ad3
Add ability to directly clone from all-history bundles
John Mulligan <phlogistonjohn@asynchrono.us>
parents:
6312
diff
changeset
|
437 if self._tempparent: |
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Add ability to directly clone from all-history bundles
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parents:
6312
diff
changeset
|
438 shutil.rmtree(self._tempparent, True) |
2740
386f04d6ecb3
clean up hg.py: move repo constructor code into each repo module
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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changeset
|
439 |
6315 | 440 def cancopy(self): |
441 return False | |
442 | |
17193
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peer: introduce canpush and improve error message
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changeset
|
443 def peer(self): |
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changeset
|
444 return bundlepeer(self) |
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diff
changeset
|
445 |
7435
5e13df32fb74
bundlerepo doesn't really have a dirstate, throw AttributeError if requested
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
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changeset
|
446 def getcwd(self): |
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changeset
|
447 return encoding.getcwd() # always outside the repo |
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changeset
|
448 |
28714
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449 # Check if parents exist in localrepo before setting |
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|
450 def setparents(self, p1, p2=nullid): |
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|
451 p1rev = self.changelog.rev(p1) |
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changeset
|
452 p2rev = self.changelog.rev(p2) |
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changeset
|
453 msg = _(b"setting parent to node %s that only exists in the bundle\n") |
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changeset
|
454 if self.changelog.repotiprev < p1rev: |
46113
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node: import symbols explicitly
Joerg Sonnenberger <joerg@bec.de>
parents:
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diff
changeset
|
455 self.ui.warn(msg % hex(p1)) |
28714
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changeset
|
456 if self.changelog.repotiprev < p2rev: |
46113
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changeset
|
457 self.ui.warn(msg % hex(p2)) |
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changeset
|
458 return super(bundlerepository, self).setparents(p1, p2) |
15597
bc0778f5619a
bundlerepo: don't write branch cache to disk
Sune Foldager <cryo@cyanite.org>
parents:
15091
diff
changeset
|
459 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
460 |
39549
089fc0db0954
hg: allow extra arguments to be passed to repo creation (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39243
diff
changeset
|
461 def instance(ui, path, create, intents=None, createopts=None): |
2740
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clean up hg.py: move repo constructor code into each repo module
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462 if create: |
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|
463 raise error.Abort(_(b'cannot create new bundle repository')) |
25830
5418dd5be8ac
bundlerepo: mark internal-only config variable
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|
464 # internal config: bundle.mainreporoot |
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|
465 parentpath = ui.config(b"bundle", b"mainreporoot") |
16042
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bundlerepo: try to find containing repo on creation (issue1812)
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
466 if not parentpath: |
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|
467 # try to find the correct path to the working directory repo |
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|
468 parentpath = cmdutil.findrepo(encoding.getcwd()) |
16042
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bundlerepo: try to find containing repo on creation (issue1812)
Matt Mackall <mpm@selenic.com>
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changeset
|
469 if parentpath is None: |
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|
470 parentpath = b'' |
5664
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Fix income/pull with bundle and -R (issue 820).
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
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diff
changeset
|
471 if parentpath: |
da72b4d24797
Fix income/pull with bundle and -R (issue 820).
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
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diff
changeset
|
472 # Try to make the full path relative so we get a nice, short URL. |
da72b4d24797
Fix income/pull with bundle and -R (issue 820).
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
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diff
changeset
|
473 # In particular, we don't want temp dir names in test outputs. |
39818
24e493ec2229
py3: rename pycompat.getcwd() to encoding.getcwd() (API)
Matt Harbison <matt_harbison@yahoo.com>
parents:
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diff
changeset
|
474 cwd = encoding.getcwd() |
5664
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Fix income/pull with bundle and -R (issue 820).
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
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diff
changeset
|
475 if parentpath == cwd: |
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parents:
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changeset
|
476 parentpath = b'' |
5664
da72b4d24797
Fix income/pull with bundle and -R (issue 820).
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
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diff
changeset
|
477 else: |
24834
6e31e1274080
bundlerepo: use pathutil.normasprefix to ensure os.sep at the end of cwd
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
24686
diff
changeset
|
478 cwd = pathutil.normasprefix(cwd) |
5664
da72b4d24797
Fix income/pull with bundle and -R (issue 820).
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parents:
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changeset
|
479 if parentpath.startswith(cwd): |
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changeset
|
480 parentpath = parentpath[len(cwd) :] |
46907
ffd3e823a7e5
urlutil: extract `url` related code from `util` into the new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
46780
diff
changeset
|
481 u = urlutil.url(path) |
13826
e574207e3bcd
url: refactor util.drop_scheme() and hg.localpath() into url.localpath()
Brodie Rao <brodie@bitheap.org>
parents:
13742
diff
changeset
|
482 path = u.localpath() |
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483 if u.scheme == b'bundle': |
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changeset
|
484 s = path.split(b"+", 1) |
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clean up hg.py: move repo constructor code into each repo module
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changeset
|
485 if len(s) == 1: |
5664
da72b4d24797
Fix income/pull with bundle and -R (issue 820).
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
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diff
changeset
|
486 repopath, bundlename = parentpath, s[0] |
2740
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clean up hg.py: move repo constructor code into each repo module
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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diff
changeset
|
487 else: |
386f04d6ecb3
clean up hg.py: move repo constructor code into each repo module
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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diff
changeset
|
488 repopath, bundlename = s |
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clean up hg.py: move repo constructor code into each repo module
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diff
changeset
|
489 else: |
5664
da72b4d24797
Fix income/pull with bundle and -R (issue 820).
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
5558
diff
changeset
|
490 repopath, bundlename = parentpath, path |
39603
a8d2faeca49e
bundlerepo: factor out code for instantiating a bundle repository
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39602
diff
changeset
|
491 |
a8d2faeca49e
bundlerepo: factor out code for instantiating a bundle repository
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parents:
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diff
changeset
|
492 return makebundlerepository(ui, repopath, bundlename) |
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bundlerepo: factor out code for instantiating a bundle repository
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parents:
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diff
changeset
|
493 |
43076
2372284d9457
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Augie Fackler <augie@google.com>
parents:
42823
diff
changeset
|
494 |
39603
a8d2faeca49e
bundlerepo: factor out code for instantiating a bundle repository
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
495 def makebundlerepository(ui, repopath, bundlepath): |
a8d2faeca49e
bundlerepo: factor out code for instantiating a bundle repository
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changeset
|
496 """Make a bundle repository object based on repo and bundle paths.""" |
39604
335ae4d0a552
bundlerepo: dynamically create repository type from base repository
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
497 if repopath: |
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|
498 url = b'bundle:%s+%s' % (util.expandpath(repopath), bundlepath) |
39604
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diff
changeset
|
499 else: |
43077
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parents:
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diff
changeset
|
500 url = b'bundle:%s' % bundlepath |
39604
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bundlerepo: dynamically create repository type from base repository
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39603
diff
changeset
|
501 |
335ae4d0a552
bundlerepo: dynamically create repository type from base repository
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39603
diff
changeset
|
502 # Because we can't make any guarantees about the type of the base |
335ae4d0a552
bundlerepo: dynamically create repository type from base repository
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
503 # repository, we can't have a static class representing the bundle |
335ae4d0a552
bundlerepo: dynamically create repository type from base repository
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parents:
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diff
changeset
|
504 # repository. We also can't make any guarantees about how to even |
335ae4d0a552
bundlerepo: dynamically create repository type from base repository
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parents:
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diff
changeset
|
505 # call the base repository's constructor! |
335ae4d0a552
bundlerepo: dynamically create repository type from base repository
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parents:
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diff
changeset
|
506 # |
335ae4d0a552
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parents:
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diff
changeset
|
507 # So, our strategy is to go through ``localrepo.instance()`` to construct |
335ae4d0a552
bundlerepo: dynamically create repository type from base repository
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
508 # a repo instance. Then, we dynamically create a new type derived from |
335ae4d0a552
bundlerepo: dynamically create repository type from base repository
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
509 # both it and our ``bundlerepository`` class which overrides some |
335ae4d0a552
bundlerepo: dynamically create repository type from base repository
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
510 # functionality. We then change the type of the constructed repository |
335ae4d0a552
bundlerepo: dynamically create repository type from base repository
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parents:
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diff
changeset
|
511 # to this new type and initialize the bundle-specific bits of it. |
335ae4d0a552
bundlerepo: dynamically create repository type from base repository
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39603
diff
changeset
|
512 |
335ae4d0a552
bundlerepo: dynamically create repository type from base repository
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39603
diff
changeset
|
513 try: |
39944
75b53b809e87
bundlerepo: remove a variable alias
Martin von Zweigbergk <martinvonz@google.com>
parents:
39818
diff
changeset
|
514 repo = localrepo.instance(ui, repopath, create=False) |
39604
335ae4d0a552
bundlerepo: dynamically create repository type from base repository
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
515 tempparent = None |
335ae4d0a552
bundlerepo: dynamically create repository type from base repository
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parents:
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diff
changeset
|
516 except error.RepoError: |
335ae4d0a552
bundlerepo: dynamically create repository type from base repository
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parents:
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diff
changeset
|
517 tempparent = pycompat.mkdtemp() |
335ae4d0a552
bundlerepo: dynamically create repository type from base repository
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parents:
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diff
changeset
|
518 try: |
39944
75b53b809e87
bundlerepo: remove a variable alias
Martin von Zweigbergk <martinvonz@google.com>
parents:
39818
diff
changeset
|
519 repo = localrepo.instance(ui, tempparent, create=True) |
39604
335ae4d0a552
bundlerepo: dynamically create repository type from base repository
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39603
diff
changeset
|
520 except Exception: |
335ae4d0a552
bundlerepo: dynamically create repository type from base repository
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39603
diff
changeset
|
521 shutil.rmtree(tempparent) |
335ae4d0a552
bundlerepo: dynamically create repository type from base repository
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39603
diff
changeset
|
522 raise |
335ae4d0a552
bundlerepo: dynamically create repository type from base repository
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39603
diff
changeset
|
523 |
39944
75b53b809e87
bundlerepo: remove a variable alias
Martin von Zweigbergk <martinvonz@google.com>
parents:
39818
diff
changeset
|
524 class derivedbundlerepository(bundlerepository, repo.__class__): |
39604
335ae4d0a552
bundlerepo: dynamically create repository type from base repository
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39603
diff
changeset
|
525 pass |
335ae4d0a552
bundlerepo: dynamically create repository type from base repository
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39603
diff
changeset
|
526 |
335ae4d0a552
bundlerepo: dynamically create repository type from base repository
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39603
diff
changeset
|
527 repo.__class__ = derivedbundlerepository |
335ae4d0a552
bundlerepo: dynamically create repository type from base repository
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parents:
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diff
changeset
|
528 bundlerepository.__init__(repo, bundlepath, url, tempparent) |
335ae4d0a552
bundlerepo: dynamically create repository type from base repository
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parents:
39603
diff
changeset
|
529 |
335ae4d0a552
bundlerepo: dynamically create repository type from base repository
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39603
diff
changeset
|
530 return repo |
12734
5dfd1c49dcc5
bundlerepo: unify common code into a new getremotechanges
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
12347
diff
changeset
|
531 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42823
diff
changeset
|
532 |
23633
96c3cbec006f
incoming: handle phases the same as pull
Eric Sumner <ericsumner@fb.com>
parents:
23632
diff
changeset
|
533 class bundletransactionmanager(object): |
96c3cbec006f
incoming: handle phases the same as pull
Eric Sumner <ericsumner@fb.com>
parents:
23632
diff
changeset
|
534 def transaction(self): |
96c3cbec006f
incoming: handle phases the same as pull
Eric Sumner <ericsumner@fb.com>
parents:
23632
diff
changeset
|
535 return None |
96c3cbec006f
incoming: handle phases the same as pull
Eric Sumner <ericsumner@fb.com>
parents:
23632
diff
changeset
|
536 |
96c3cbec006f
incoming: handle phases the same as pull
Eric Sumner <ericsumner@fb.com>
parents:
23632
diff
changeset
|
537 def close(self): |
96c3cbec006f
incoming: handle phases the same as pull
Eric Sumner <ericsumner@fb.com>
parents:
23632
diff
changeset
|
538 raise NotImplementedError |
96c3cbec006f
incoming: handle phases the same as pull
Eric Sumner <ericsumner@fb.com>
parents:
23632
diff
changeset
|
539 |
96c3cbec006f
incoming: handle phases the same as pull
Eric Sumner <ericsumner@fb.com>
parents:
23632
diff
changeset
|
540 def release(self): |
96c3cbec006f
incoming: handle phases the same as pull
Eric Sumner <ericsumner@fb.com>
parents:
23632
diff
changeset
|
541 raise NotImplementedError |
96c3cbec006f
incoming: handle phases the same as pull
Eric Sumner <ericsumner@fb.com>
parents:
23632
diff
changeset
|
542 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42823
diff
changeset
|
543 |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42823
diff
changeset
|
544 def getremotechanges( |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42823
diff
changeset
|
545 ui, repo, peer, onlyheads=None, bundlename=None, force=False |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42823
diff
changeset
|
546 ): |
45942
89a2afe31e82
formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents:
45814
diff
changeset
|
547 """obtains a bundle of changes incoming from peer |
14161
8a0fca925992
bundlerepo: fix and improve getremotechanges
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
14158
diff
changeset
|
548 |
8a0fca925992
bundlerepo: fix and improve getremotechanges
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
14158
diff
changeset
|
549 "onlyheads" restricts the returned changes to those reachable from the |
8a0fca925992
bundlerepo: fix and improve getremotechanges
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
14158
diff
changeset
|
550 specified heads. |
8a0fca925992
bundlerepo: fix and improve getremotechanges
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
14158
diff
changeset
|
551 "bundlename", if given, stores the bundle to this file path permanently; |
14190
8aab5a82685f
bundlerepo: fix closing and docstring of getremotechanges
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
14161
diff
changeset
|
552 otherwise it's stored to a temp file and gets deleted again when you call |
8aab5a82685f
bundlerepo: fix closing and docstring of getremotechanges
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
14161
diff
changeset
|
553 the returned "cleanupfn". |
14161
8a0fca925992
bundlerepo: fix and improve getremotechanges
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
14158
diff
changeset
|
554 "force" indicates whether to proceed on unrelated repos. |
8a0fca925992
bundlerepo: fix and improve getremotechanges
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
14158
diff
changeset
|
555 |
8a0fca925992
bundlerepo: fix and improve getremotechanges
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
14158
diff
changeset
|
556 Returns a tuple (local, csets, cleanupfn): |
8a0fca925992
bundlerepo: fix and improve getremotechanges
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
14158
diff
changeset
|
557 |
16683 | 558 "local" is a local repo from which to obtain the actual incoming |
559 changesets; it is a bundlerepo for the obtained bundle when the | |
37642
d959277ff1b5
bundlerepo: rename "other" to "peer"
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37635
diff
changeset
|
560 original "peer" is remote. |
14161
8a0fca925992
bundlerepo: fix and improve getremotechanges
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
14158
diff
changeset
|
561 "csets" lists the incoming changeset node ids. |
16683 | 562 "cleanupfn" must be called without arguments when you're done processing |
37642
d959277ff1b5
bundlerepo: rename "other" to "peer"
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37635
diff
changeset
|
563 the changes; it closes both the original "peer" and the one returned |
16683 | 564 here. |
45942
89a2afe31e82
formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents:
45814
diff
changeset
|
565 """ |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42823
diff
changeset
|
566 tmp = discovery.findcommonincoming(repo, peer, heads=onlyheads, force=force) |
12734
5dfd1c49dcc5
bundlerepo: unify common code into a new getremotechanges
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
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diff
changeset
|
567 common, incoming, rheads = tmp |
5dfd1c49dcc5
bundlerepo: unify common code into a new getremotechanges
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
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diff
changeset
|
568 if not incoming: |
5dfd1c49dcc5
bundlerepo: unify common code into a new getremotechanges
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
12347
diff
changeset
|
569 try: |
15091
106f89299da6
bundlerepo: add argument check before unlink
Sune Foldager <cryo@cyanite.org>
parents:
14494
diff
changeset
|
570 if bundlename: |
21694
c08a22bfa16e
bundlerepo: backout dbf292f65b09
Matt Mackall <mpm@selenic.com>
parents:
21562
diff
changeset
|
571 os.unlink(bundlename) |
14004
97ed99d1f419
eliminate various naked except clauses
Idan Kamara <idankk86@gmail.com>
parents:
13826
diff
changeset
|
572 except OSError: |
12734
5dfd1c49dcc5
bundlerepo: unify common code into a new getremotechanges
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
12347
diff
changeset
|
573 pass |
37642
d959277ff1b5
bundlerepo: rename "other" to "peer"
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37635
diff
changeset
|
574 return repo, [], peer.close |
12734
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Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
12347
diff
changeset
|
575 |
22182
510cafe72004
incoming: don't request heads that already are common
Mads Kiilerich <madski@unity3d.com>
parents:
21694
diff
changeset
|
576 commonset = set(common) |
510cafe72004
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577 rheads = [x for x in rheads if x not in commonset] |
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578 |
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579 bundle = None |
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580 bundlerepo = None |
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581 localrepo = peer.local() |
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582 if bundlename or not localrepo: |
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583 # create a bundle (uncompressed if peer repo is not local) |
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584 |
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|
585 # developer config: devel.legacy.exchange |
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586 legexc = ui.configlist(b'devel', b'legacy.exchange') |
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587 forcebundle1 = b'bundle2' not in legexc and b'bundle1' in legexc |
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588 canbundle2 = ( |
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589 not forcebundle1 |
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590 and peer.capable(b'getbundle') |
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591 and peer.capable(b'bundle2') |
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592 ) |
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593 if canbundle2: |
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594 with peer.commandexecutor() as e: |
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595 b2 = e.callcommand( |
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596 b'getbundle', |
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597 { |
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598 b'source': b'incoming', |
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599 b'common': common, |
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600 b'heads': rheads, |
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601 b'bundlecaps': exchange.caps20to10( |
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602 repo, role=b'client' |
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603 ), |
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604 b'cg': True, |
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605 }, |
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606 ).result() |
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607 |
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608 fname = bundle = changegroup.writechunks( |
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609 ui, b2._forwardchunks(), bundlename |
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610 ) |
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611 else: |
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612 if peer.capable(b'getbundle'): |
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613 with peer.commandexecutor() as e: |
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614 cg = e.callcommand( |
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615 b'getbundle', |
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616 { |
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617 b'source': b'incoming', |
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618 b'common': common, |
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619 b'heads': rheads, |
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620 }, |
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621 ).result() |
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622 elif onlyheads is None and not peer.capable(b'changegroupsubset'): |
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623 # compat with older servers when pulling all remote heads |
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624 |
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625 with peer.commandexecutor() as e: |
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626 cg = e.callcommand( |
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627 b'changegroup', |
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628 { |
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629 b'nodes': incoming, |
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630 b'source': b'incoming', |
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631 }, |
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632 ).result() |
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|
633 |
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634 rheads = None |
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635 else: |
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636 with peer.commandexecutor() as e: |
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637 cg = e.callcommand( |
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638 b'changegroupsubset', |
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639 { |
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640 b'bases': incoming, |
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641 b'heads': rheads, |
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642 b'source': b'incoming', |
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643 }, |
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|
644 ).result() |
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|
645 |
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646 if localrepo: |
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647 bundletype = b"HG10BZ" |
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648 else: |
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649 bundletype = b"HG10UN" |
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650 fname = bundle = bundle2.writebundle(ui, cg, bundlename, bundletype) |
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|
651 # keep written bundle? |
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652 if bundlename: |
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653 bundle = None |
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654 if not localrepo: |
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655 # use the created uncompressed bundlerepo |
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656 localrepo = bundlerepo = makebundlerepository( |
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657 repo.baseui, repo.root, fname |
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658 ) |
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|
659 |
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660 # this repo contains local and peer now, so filter out local again |
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|
661 common = repo.heads() |
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|
662 if localrepo: |
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|
663 # Part of common may be remotely filtered |
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664 # So use an unfiltered version |
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665 # The discovery process probably need cleanup to avoid that |
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|
666 localrepo = localrepo.unfiltered() |
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|
667 |
14412
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668 csets = localrepo.changelog.findmissing(common, rheads) |
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669 |
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670 if bundlerepo: |
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671 reponodes = [ctx.node() for ctx in bundlerepo[bundlerepo.firstnewrev :]] |
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672 |
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|
673 with peer.commandexecutor() as e: |
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674 remotephases = e.callcommand( |
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|
675 b'listkeys', |
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|
676 { |
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677 b'namespace': b'phases', |
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678 }, |
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679 ).result() |
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|
680 |
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|
681 pullop = exchange.pulloperation(bundlerepo, peer, heads=reponodes) |
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|
682 pullop.trmanager = bundletransactionmanager() |
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|
683 exchange._pullapplyphases(pullop, remotephases) |
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|
684 |
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|
685 def cleanup(): |
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|
686 if bundlerepo: |
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|
687 bundlerepo.close() |
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|
688 if bundle: |
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|
689 os.unlink(bundle) |
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|
690 peer.close() |
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691 |
8a0fca925992
bundlerepo: fix and improve getremotechanges
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
14158
diff
changeset
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692 return (localrepo, csets, cleanup) |