Mercurial > hg
annotate mercurial/exchange.py @ 25093:fe3a72a3e7ca
dirs.c: pass C string, not Python string, to _finddir()
The callers already have the C string, and although the
PyString_AS_STRING() macro is probably free, this simplifies the code.
author | Martin von Zweigbergk <martinvonz@google.com> |
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date | Fri, 08 May 2015 14:13:12 -0700 |
parents | e530cde6d115 |
children | e632a2429982 36111f98f23d |
rev | line source |
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1 # exchange.py - utility to exchange data between repos. |
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2 # |
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3 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> |
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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 |
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8 from i18n import _ |
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9 from node import hex, nullid |
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10 import errno, urllib |
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11 import util, scmutil, changegroup, base85, error |
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12 import discovery, phases, obsolete, bookmarks as bookmod, bundle2, pushkey |
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13 import lock as lockmod |
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14 |
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15 def readbundle(ui, fh, fname, vfs=None): |
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16 header = changegroup.readexactly(fh, 4) |
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17 |
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18 alg = None |
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19 if not fname: |
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20 fname = "stream" |
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21 if not header.startswith('HG') and header.startswith('\0'): |
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22 fh = changegroup.headerlessfixup(fh, header) |
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23 header = "HG10" |
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24 alg = 'UN' |
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25 elif vfs: |
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26 fname = vfs.join(fname) |
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27 |
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28 magic, version = header[0:2], header[2:4] |
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29 |
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30 if magic != 'HG': |
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31 raise util.Abort(_('%s: not a Mercurial bundle') % fname) |
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32 if version == '10': |
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33 if alg is None: |
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34 alg = changegroup.readexactly(fh, 2) |
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35 return changegroup.cg1unpacker(fh, alg) |
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36 elif version.startswith('2'): |
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37 return bundle2.getunbundler(ui, fh, header=magic + version) |
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38 else: |
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39 raise util.Abort(_('%s: unknown bundle version %s') % (fname, version)) |
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40 |
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41 def buildobsmarkerspart(bundler, markers): |
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42 """add an obsmarker part to the bundler with <markers> |
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43 |
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44 No part is created if markers is empty. |
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45 Raises ValueError if the bundler doesn't support any known obsmarker format. |
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46 """ |
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47 if markers: |
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48 remoteversions = bundle2.obsmarkersversion(bundler.capabilities) |
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49 version = obsolete.commonversion(remoteversions) |
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50 if version is None: |
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51 raise ValueError('bundler do not support common obsmarker format') |
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52 stream = obsolete.encodemarkers(markers, True, version=version) |
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53 return bundler.newpart('obsmarkers', data=stream) |
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54 return None |
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55 |
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56 def _canusebundle2(op): |
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57 """return true if a pull/push can use bundle2 |
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58 |
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59 Feel free to nuke this function when we drop the experimental option""" |
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60 return (op.repo.ui.configbool('experimental', 'bundle2-exp', False) |
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61 and op.remote.capable('bundle2')) |
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62 |
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63 |
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64 class pushoperation(object): |
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65 """A object that represent a single push operation |
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66 |
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67 It purpose is to carry push related state and very common operation. |
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68 |
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69 A new should be created at the beginning of each push and discarded |
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70 afterward. |
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71 """ |
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72 |
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73 def __init__(self, repo, remote, force=False, revs=None, newbranch=False, |
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74 bookmarks=()): |
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75 # repo we push from |
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76 self.repo = repo |
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77 self.ui = repo.ui |
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78 # repo we push to |
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79 self.remote = remote |
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80 # force option provided |
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81 self.force = force |
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82 # revs to be pushed (None is "all") |
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83 self.revs = revs |
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84 # bookmark explicitly pushed |
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85 self.bookmarks = bookmarks |
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86 # allow push of new branch |
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87 self.newbranch = newbranch |
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88 # did a local lock get acquired? |
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89 self.locallocked = None |
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90 # step already performed |
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91 # (used to check what steps have been already performed through bundle2) |
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92 self.stepsdone = set() |
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93 # Integer version of the changegroup push result |
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94 # - None means nothing to push |
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95 # - 0 means HTTP error |
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96 # - 1 means we pushed and remote head count is unchanged *or* |
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97 # we have outgoing changesets but refused to push |
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98 # - other values as described by addchangegroup() |
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99 self.cgresult = None |
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100 # Boolean value for the bookmark push |
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101 self.bkresult = None |
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102 # discover.outgoing object (contains common and outgoing data) |
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103 self.outgoing = None |
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104 # all remote heads before the push |
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105 self.remoteheads = None |
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106 # testable as a boolean indicating if any nodes are missing locally. |
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107 self.incoming = None |
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108 # phases changes that must be pushed along side the changesets |
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109 self.outdatedphases = None |
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110 # phases changes that must be pushed if changeset push fails |
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111 self.fallbackoutdatedphases = None |
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112 # outgoing obsmarkers |
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113 self.outobsmarkers = set() |
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114 # outgoing bookmarks |
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115 self.outbookmarks = [] |
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116 # transaction manager |
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117 self.trmanager = None |
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118 |
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119 @util.propertycache |
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120 def futureheads(self): |
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121 """future remote heads if the changeset push succeeds""" |
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122 return self.outgoing.missingheads |
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123 |
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124 @util.propertycache |
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125 def fallbackheads(self): |
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126 """future remote heads if the changeset push fails""" |
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127 if self.revs is None: |
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128 # not target to push, all common are relevant |
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129 return self.outgoing.commonheads |
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130 unfi = self.repo.unfiltered() |
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131 # I want cheads = heads(::missingheads and ::commonheads) |
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132 # (missingheads is revs with secret changeset filtered out) |
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133 # |
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134 # This can be expressed as: |
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135 # cheads = ( (missingheads and ::commonheads) |
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136 # + (commonheads and ::missingheads))" |
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137 # ) |
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138 # |
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139 # while trying to push we already computed the following: |
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140 # common = (::commonheads) |
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141 # missing = ((commonheads::missingheads) - commonheads) |
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142 # |
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143 # We can pick: |
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144 # * missingheads part of common (::commonheads) |
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145 common = set(self.outgoing.common) |
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146 nm = self.repo.changelog.nodemap |
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147 cheads = [node for node in self.revs if nm[node] in common] |
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148 # and |
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149 # * commonheads parents on missing |
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150 revset = unfi.set('%ln and parents(roots(%ln))', |
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151 self.outgoing.commonheads, |
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152 self.outgoing.missing) |
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153 cheads.extend(c.node() for c in revset) |
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154 return cheads |
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155 |
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156 @property |
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157 def commonheads(self): |
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158 """set of all common heads after changeset bundle push""" |
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159 if self.cgresult: |
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160 return self.futureheads |
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161 else: |
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162 return self.fallbackheads |
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163 |
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164 # mapping of message used when pushing bookmark |
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165 bookmsgmap = {'update': (_("updating bookmark %s\n"), |
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166 _('updating bookmark %s failed!\n')), |
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167 'export': (_("exporting bookmark %s\n"), |
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168 _('exporting bookmark %s failed!\n')), |
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169 'delete': (_("deleting remote bookmark %s\n"), |
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170 _('deleting remote bookmark %s failed!\n')), |
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171 } |
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172 |
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173 |
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174 def push(repo, remote, force=False, revs=None, newbranch=False, bookmarks=()): |
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175 '''Push outgoing changesets (limited by revs) from a local |
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176 repository to remote. Return an integer: |
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177 - None means nothing to push |
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178 - 0 means HTTP error |
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179 - 1 means we pushed and remote head count is unchanged *or* |
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180 we have outgoing changesets but refused to push |
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181 - other values as described by addchangegroup() |
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182 ''' |
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183 pushop = pushoperation(repo, remote, force, revs, newbranch, bookmarks) |
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184 if pushop.remote.local(): |
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185 missing = (set(pushop.repo.requirements) |
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186 - pushop.remote.local().supported) |
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187 if missing: |
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188 msg = _("required features are not" |
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189 " supported in the destination:" |
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190 " %s") % (', '.join(sorted(missing))) |
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191 raise util.Abort(msg) |
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192 |
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193 # there are two ways to push to remote repo: |
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194 # |
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195 # addchangegroup assumes local user can lock remote |
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196 # repo (local filesystem, old ssh servers). |
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197 # |
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198 # unbundle assumes local user cannot lock remote repo (new ssh |
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199 # servers, http servers). |
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200 |
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201 if not pushop.remote.canpush(): |
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202 raise util.Abort(_("destination does not support push")) |
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203 # get local lock as we might write phase data |
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204 localwlock = locallock = None |
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205 try: |
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206 # bundle2 push may receive a reply bundle touching bookmarks or other |
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207 # things requiring the wlock. Take it now to ensure proper ordering. |
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208 maypushback = pushop.ui.configbool('experimental', 'bundle2.pushback') |
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209 if _canusebundle2(pushop) and maypushback: |
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210 localwlock = pushop.repo.wlock() |
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211 locallock = pushop.repo.lock() |
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212 pushop.locallocked = True |
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213 except IOError, err: |
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214 pushop.locallocked = False |
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215 if err.errno != errno.EACCES: |
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216 raise |
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217 # source repo cannot be locked. |
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218 # We do not abort the push, but just disable the local phase |
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219 # synchronisation. |
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220 msg = 'cannot lock source repository: %s\n' % err |
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221 pushop.ui.debug(msg) |
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222 try: |
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223 if pushop.locallocked: |
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224 pushop.trmanager = transactionmanager(repo, |
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225 'push-response', |
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226 pushop.remote.url()) |
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227 pushop.repo.checkpush(pushop) |
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228 lock = None |
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229 unbundle = pushop.remote.capable('unbundle') |
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230 if not unbundle: |
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231 lock = pushop.remote.lock() |
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232 try: |
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233 _pushdiscovery(pushop) |
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234 if _canusebundle2(pushop): |
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235 _pushbundle2(pushop) |
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236 _pushchangeset(pushop) |
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237 _pushsyncphase(pushop) |
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238 _pushobsolete(pushop) |
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239 _pushbookmark(pushop) |
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240 finally: |
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241 if lock is not None: |
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242 lock.release() |
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243 if pushop.trmanager: |
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244 pushop.trmanager.close() |
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245 finally: |
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246 if pushop.trmanager: |
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247 pushop.trmanager.release() |
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248 if locallock is not None: |
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249 locallock.release() |
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250 if localwlock is not None: |
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251 localwlock.release() |
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252 |
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253 return pushop |
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254 |
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255 # list of steps to perform discovery before push |
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256 pushdiscoveryorder = [] |
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257 |
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258 # Mapping between step name and function |
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259 # |
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260 # This exists to help extensions wrap steps if necessary |
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261 pushdiscoverymapping = {} |
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262 |
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263 def pushdiscovery(stepname): |
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264 """decorator for function performing discovery before push |
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265 |
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266 The function is added to the step -> function mapping and appended to the |
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267 list of steps. Beware that decorated function will be added in order (this |
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268 may matter). |
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269 |
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270 You can only use this decorator for a new step, if you want to wrap a step |
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271 from an extension, change the pushdiscovery dictionary directly.""" |
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272 def dec(func): |
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273 assert stepname not in pushdiscoverymapping |
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274 pushdiscoverymapping[stepname] = func |
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275 pushdiscoveryorder.append(stepname) |
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276 return func |
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277 return dec |
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278 |
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279 def _pushdiscovery(pushop): |
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280 """Run all discovery steps""" |
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281 for stepname in pushdiscoveryorder: |
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282 step = pushdiscoverymapping[stepname] |
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283 step(pushop) |
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284 |
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285 @pushdiscovery('changeset') |
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286 def _pushdiscoverychangeset(pushop): |
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287 """discover the changeset that need to be pushed""" |
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288 fci = discovery.findcommonincoming |
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289 commoninc = fci(pushop.repo, pushop.remote, force=pushop.force) |
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290 common, inc, remoteheads = commoninc |
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291 fco = discovery.findcommonoutgoing |
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292 outgoing = fco(pushop.repo, pushop.remote, onlyheads=pushop.revs, |
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293 commoninc=commoninc, force=pushop.force) |
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294 pushop.outgoing = outgoing |
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295 pushop.remoteheads = remoteheads |
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296 pushop.incoming = inc |
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297 |
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298 @pushdiscovery('phase') |
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299 def _pushdiscoveryphase(pushop): |
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300 """discover the phase that needs to be pushed |
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301 |
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302 (computed for both success and failure case for changesets push)""" |
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303 outgoing = pushop.outgoing |
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304 unfi = pushop.repo.unfiltered() |
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305 remotephases = pushop.remote.listkeys('phases') |
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306 publishing = remotephases.get('publishing', False) |
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307 ana = phases.analyzeremotephases(pushop.repo, |
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308 pushop.fallbackheads, |
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309 remotephases) |
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310 pheads, droots = ana |
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311 extracond = '' |
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312 if not publishing: |
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313 extracond = ' and public()' |
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314 revset = 'heads((%%ln::%%ln) %s)' % extracond |
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315 # Get the list of all revs draft on remote by public here. |
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316 # XXX Beware that revset break if droots is not strictly |
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317 # XXX root we may want to ensure it is but it is costly |
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318 fallback = list(unfi.set(revset, droots, pushop.fallbackheads)) |
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319 if not outgoing.missing: |
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320 future = fallback |
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321 else: |
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322 # adds changeset we are going to push as draft |
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323 # |
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324 # should not be necessary for publishing server, but because of an |
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325 # issue fixed in xxxxx we have to do it anyway. |
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326 fdroots = list(unfi.set('roots(%ln + %ln::)', |
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327 outgoing.missing, droots)) |
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328 fdroots = [f.node() for f in fdroots] |
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329 future = list(unfi.set(revset, fdroots, pushop.futureheads)) |
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330 pushop.outdatedphases = future |
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331 pushop.fallbackoutdatedphases = fallback |
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332 |
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333 @pushdiscovery('obsmarker') |
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334 def _pushdiscoveryobsmarkers(pushop): |
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335 if (obsolete.isenabled(pushop.repo, obsolete.exchangeopt) |
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336 and pushop.repo.obsstore |
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337 and 'obsolete' in pushop.remote.listkeys('namespaces')): |
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338 repo = pushop.repo |
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339 # very naive computation, that can be quite expensive on big repo. |
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340 # However: evolution is currently slow on them anyway. |
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341 nodes = (c.node() for c in repo.set('::%ln', pushop.futureheads)) |
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342 pushop.outobsmarkers = pushop.repo.obsstore.relevantmarkers(nodes) |
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343 |
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344 @pushdiscovery('bookmarks') |
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345 def _pushdiscoverybookmarks(pushop): |
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346 ui = pushop.ui |
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347 repo = pushop.repo.unfiltered() |
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348 remote = pushop.remote |
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349 ui.debug("checking for updated bookmarks\n") |
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350 ancestors = () |
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351 if pushop.revs: |
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352 revnums = map(repo.changelog.rev, pushop.revs) |
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353 ancestors = repo.changelog.ancestors(revnums, inclusive=True) |
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354 remotebookmark = remote.listkeys('bookmarks') |
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355 |
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356 explicit = set(pushop.bookmarks) |
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357 |
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358 comp = bookmod.compare(repo, repo._bookmarks, remotebookmark, srchex=hex) |
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359 addsrc, adddst, advsrc, advdst, diverge, differ, invalid, same = comp |
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360 for b, scid, dcid in advsrc: |
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361 if b in explicit: |
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362 explicit.remove(b) |
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363 if not ancestors or repo[scid].rev() in ancestors: |
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364 pushop.outbookmarks.append((b, dcid, scid)) |
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365 # search added bookmark |
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366 for b, scid, dcid in addsrc: |
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367 if b in explicit: |
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368 explicit.remove(b) |
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369 pushop.outbookmarks.append((b, '', scid)) |
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370 # search for overwritten bookmark |
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371 for b, scid, dcid in advdst + diverge + differ: |
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372 if b in explicit: |
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373 explicit.remove(b) |
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374 pushop.outbookmarks.append((b, dcid, scid)) |
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375 # search for bookmark to delete |
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376 for b, scid, dcid in adddst: |
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377 if b in explicit: |
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378 explicit.remove(b) |
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379 # treat as "deleted locally" |
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380 pushop.outbookmarks.append((b, dcid, '')) |
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381 # identical bookmarks shouldn't get reported |
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382 for b, scid, dcid in same: |
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383 if b in explicit: |
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384 explicit.remove(b) |
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385 |
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386 if explicit: |
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387 explicit = sorted(explicit) |
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388 # we should probably list all of them |
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389 ui.warn(_('bookmark %s does not exist on the local ' |
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390 'or remote repository!\n') % explicit[0]) |
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391 pushop.bkresult = 2 |
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392 |
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393 pushop.outbookmarks.sort() |
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394 |
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395 def _pushcheckoutgoing(pushop): |
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396 outgoing = pushop.outgoing |
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397 unfi = pushop.repo.unfiltered() |
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398 if not outgoing.missing: |
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399 # nothing to push |
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400 scmutil.nochangesfound(unfi.ui, unfi, outgoing.excluded) |
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401 return False |
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402 # something to push |
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403 if not pushop.force: |
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404 # if repo.obsstore == False --> no obsolete |
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405 # then, save the iteration |
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406 if unfi.obsstore: |
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407 # this message are here for 80 char limit reason |
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408 mso = _("push includes obsolete changeset: %s!") |
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409 mst = {"unstable": _("push includes unstable changeset: %s!"), |
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410 "bumped": _("push includes bumped changeset: %s!"), |
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411 "divergent": _("push includes divergent changeset: %s!")} |
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412 # If we are to push if there is at least one |
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413 # obsolete or unstable changeset in missing, at |
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414 # least one of the missinghead will be obsolete or |
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415 # unstable. So checking heads only is ok |
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416 for node in outgoing.missingheads: |
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417 ctx = unfi[node] |
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418 if ctx.obsolete(): |
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419 raise util.Abort(mso % ctx) |
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420 elif ctx.troubled(): |
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421 raise util.Abort(mst[ctx.troubles()[0]] % ctx) |
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422 newbm = pushop.ui.configlist('bookmarks', 'pushing') |
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423 discovery.checkheads(unfi, pushop.remote, outgoing, |
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424 pushop.remoteheads, |
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425 pushop.newbranch, |
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426 bool(pushop.incoming), |
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427 newbm) |
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428 return True |
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429 |
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430 # List of names of steps to perform for an outgoing bundle2, order matters. |
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431 b2partsgenorder = [] |
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432 |
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433 # Mapping between step name and function |
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434 # |
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435 # This exists to help extensions wrap steps if necessary |
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436 b2partsgenmapping = {} |
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437 |
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438 def b2partsgenerator(stepname, idx=None): |
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439 """decorator for function generating bundle2 part |
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440 |
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441 The function is added to the step -> function mapping and appended to the |
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442 list of steps. Beware that decorated functions will be added in order |
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443 (this may matter). |
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444 |
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445 You can only use this decorator for new steps, if you want to wrap a step |
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446 from an extension, attack the b2partsgenmapping dictionary directly.""" |
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447 def dec(func): |
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448 assert stepname not in b2partsgenmapping |
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449 b2partsgenmapping[stepname] = func |
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450 if idx is None: |
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451 b2partsgenorder.append(stepname) |
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452 else: |
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453 b2partsgenorder.insert(idx, stepname) |
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454 return func |
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455 return dec |
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456 |
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457 @b2partsgenerator('changeset') |
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458 def _pushb2ctx(pushop, bundler): |
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459 """handle changegroup push through bundle2 |
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460 |
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461 addchangegroup result is stored in the ``pushop.cgresult`` attribute. |
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462 """ |
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463 if 'changesets' in pushop.stepsdone: |
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464 return |
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465 pushop.stepsdone.add('changesets') |
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466 # Send known heads to the server for race detection. |
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467 if not _pushcheckoutgoing(pushop): |
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468 return |
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469 pushop.repo.prepushoutgoinghooks(pushop.repo, |
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470 pushop.remote, |
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471 pushop.outgoing) |
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472 if not pushop.force: |
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473 bundler.newpart('check:heads', data=iter(pushop.remoteheads)) |
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474 b2caps = bundle2.bundle2caps(pushop.remote) |
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475 version = None |
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476 cgversions = b2caps.get('changegroup') |
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477 if not cgversions: # 3.1 and 3.2 ship with an empty value |
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478 cg = changegroup.getlocalchangegroupraw(pushop.repo, 'push', |
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479 pushop.outgoing) |
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480 else: |
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481 cgversions = [v for v in cgversions if v in changegroup.packermap] |
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482 if not cgversions: |
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483 raise ValueError(_('no common changegroup version')) |
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484 version = max(cgversions) |
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485 cg = changegroup.getlocalchangegroupraw(pushop.repo, 'push', |
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486 pushop.outgoing, |
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487 version=version) |
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488 cgpart = bundler.newpart('changegroup', data=cg) |
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489 if version is not None: |
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490 cgpart.addparam('version', version) |
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491 def handlereply(op): |
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492 """extract addchangegroup returns from server reply""" |
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493 cgreplies = op.records.getreplies(cgpart.id) |
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494 assert len(cgreplies['changegroup']) == 1 |
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495 pushop.cgresult = cgreplies['changegroup'][0]['return'] |
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496 return handlereply |
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497 |
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498 @b2partsgenerator('phase') |
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499 def _pushb2phases(pushop, bundler): |
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500 """handle phase push through bundle2""" |
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501 if 'phases' in pushop.stepsdone: |
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502 return |
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503 b2caps = bundle2.bundle2caps(pushop.remote) |
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504 if not 'pushkey' in b2caps: |
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|
505 return |
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506 pushop.stepsdone.add('phases') |
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507 part2node = [] |
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508 enc = pushkey.encode |
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|
509 for newremotehead in pushop.outdatedphases: |
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510 part = bundler.newpart('pushkey') |
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511 part.addparam('namespace', enc('phases')) |
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512 part.addparam('key', enc(newremotehead.hex())) |
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513 part.addparam('old', enc(str(phases.draft))) |
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514 part.addparam('new', enc(str(phases.public))) |
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515 part2node.append((part.id, newremotehead)) |
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516 def handlereply(op): |
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517 for partid, node in part2node: |
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518 partrep = op.records.getreplies(partid) |
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519 results = partrep['pushkey'] |
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520 assert len(results) <= 1 |
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521 msg = None |
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522 if not results: |
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523 msg = _('server ignored update of %s to public!\n') % node |
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524 elif not int(results[0]['return']): |
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525 msg = _('updating %s to public failed!\n') % node |
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526 if msg is not None: |
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527 pushop.ui.warn(msg) |
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528 return handlereply |
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529 |
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530 @b2partsgenerator('obsmarkers') |
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531 def _pushb2obsmarkers(pushop, bundler): |
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532 if 'obsmarkers' in pushop.stepsdone: |
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533 return |
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534 remoteversions = bundle2.obsmarkersversion(bundler.capabilities) |
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535 if obsolete.commonversion(remoteversions) is None: |
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536 return |
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537 pushop.stepsdone.add('obsmarkers') |
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538 if pushop.outobsmarkers: |
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539 buildobsmarkerspart(bundler, pushop.outobsmarkers) |
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540 |
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541 @b2partsgenerator('bookmarks') |
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542 def _pushb2bookmarks(pushop, bundler): |
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543 """handle phase push through bundle2""" |
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544 if 'bookmarks' in pushop.stepsdone: |
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545 return |
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546 b2caps = bundle2.bundle2caps(pushop.remote) |
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547 if 'pushkey' not in b2caps: |
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548 return |
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549 pushop.stepsdone.add('bookmarks') |
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550 part2book = [] |
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551 enc = pushkey.encode |
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552 for book, old, new in pushop.outbookmarks: |
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553 part = bundler.newpart('pushkey') |
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554 part.addparam('namespace', enc('bookmarks')) |
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555 part.addparam('key', enc(book)) |
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556 part.addparam('old', enc(old)) |
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557 part.addparam('new', enc(new)) |
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558 action = 'update' |
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559 if not old: |
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560 action = 'export' |
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561 elif not new: |
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562 action = 'delete' |
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563 part2book.append((part.id, book, action)) |
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564 |
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565 |
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566 def handlereply(op): |
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567 ui = pushop.ui |
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568 for partid, book, action in part2book: |
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569 partrep = op.records.getreplies(partid) |
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570 results = partrep['pushkey'] |
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571 assert len(results) <= 1 |
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572 if not results: |
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573 pushop.ui.warn(_('server ignored bookmark %s update\n') % book) |
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574 else: |
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575 ret = int(results[0]['return']) |
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576 if ret: |
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577 ui.status(bookmsgmap[action][0] % book) |
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578 else: |
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579 ui.warn(bookmsgmap[action][1] % book) |
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580 if pushop.bkresult is not None: |
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581 pushop.bkresult = 1 |
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582 return handlereply |
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583 |
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584 |
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585 def _pushbundle2(pushop): |
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586 """push data to the remote using bundle2 |
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587 |
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588 The only currently supported type of data is changegroup but this will |
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589 evolve in the future.""" |
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590 bundler = bundle2.bundle20(pushop.ui, bundle2.bundle2caps(pushop.remote)) |
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591 pushback = (pushop.trmanager |
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592 and pushop.ui.configbool('experimental', 'bundle2.pushback')) |
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593 |
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594 # create reply capability |
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595 capsblob = bundle2.encodecaps(bundle2.getrepocaps(pushop.repo, |
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596 allowpushback=pushback)) |
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597 bundler.newpart('replycaps', data=capsblob) |
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598 replyhandlers = [] |
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599 for partgenname in b2partsgenorder: |
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600 partgen = b2partsgenmapping[partgenname] |
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601 ret = partgen(pushop, bundler) |
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602 if callable(ret): |
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603 replyhandlers.append(ret) |
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604 # do not push if nothing to push |
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605 if bundler.nbparts <= 1: |
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606 return |
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607 stream = util.chunkbuffer(bundler.getchunks()) |
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608 try: |
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609 reply = pushop.remote.unbundle(stream, ['force'], 'push') |
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610 except error.BundleValueError, exc: |
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611 raise util.Abort('missing support for %s' % exc) |
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612 try: |
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613 trgetter = None |
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614 if pushback: |
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615 trgetter = pushop.trmanager.transaction |
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616 op = bundle2.processbundle(pushop.repo, reply, trgetter) |
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617 except error.BundleValueError, exc: |
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618 raise util.Abort('missing support for %s' % exc) |
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619 for rephand in replyhandlers: |
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620 rephand(op) |
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621 |
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622 def _pushchangeset(pushop): |
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623 """Make the actual push of changeset bundle to remote repo""" |
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624 if 'changesets' in pushop.stepsdone: |
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625 return |
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626 pushop.stepsdone.add('changesets') |
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627 if not _pushcheckoutgoing(pushop): |
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628 return |
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629 pushop.repo.prepushoutgoinghooks(pushop.repo, |
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630 pushop.remote, |
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631 pushop.outgoing) |
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632 outgoing = pushop.outgoing |
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633 unbundle = pushop.remote.capable('unbundle') |
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634 # TODO: get bundlecaps from remote |
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635 bundlecaps = None |
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636 # create a changegroup from local |
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637 if pushop.revs is None and not (outgoing.excluded |
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638 or pushop.repo.changelog.filteredrevs): |
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639 # push everything, |
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640 # use the fast path, no race possible on push |
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641 bundler = changegroup.cg1packer(pushop.repo, bundlecaps) |
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642 cg = changegroup.getsubset(pushop.repo, |
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643 outgoing, |
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644 bundler, |
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645 'push', |
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646 fastpath=True) |
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647 else: |
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648 cg = changegroup.getlocalchangegroup(pushop.repo, 'push', outgoing, |
20928
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localrepo: move the getlocalbundle method in changegroup module
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changeset
|
649 bundlecaps) |
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650 |
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651 # apply changegroup to remote |
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|
652 if unbundle: |
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|
653 # local repo finds heads on server, finds out what |
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|
654 # revs it must push. once revs transferred, if server |
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changeset
|
655 # finds it has different heads (someone else won |
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|
656 # commit/push race), server aborts. |
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657 if pushop.force: |
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|
658 remoteheads = ['force'] |
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659 else: |
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|
660 remoteheads = pushop.remoteheads |
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|
661 # ssh: return remote's addchangegroup() |
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|
662 # http: return remote's addchangegroup() or 0 for error |
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|
663 pushop.cgresult = pushop.remote.unbundle(cg, remoteheads, |
21761
b2dc026a9bd2
push: restore contents of HG_URL for hooks (issue4268)
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parents:
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changeset
|
664 pushop.repo.url()) |
20463
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changeset
|
665 else: |
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|
666 # we return an integer indicating remote head count |
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|
667 # change |
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668 pushop.cgresult = pushop.remote.addchangegroup(cg, 'push', |
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|
669 pushop.repo.url()) |
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|
670 |
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671 def _pushsyncphase(pushop): |
21024
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spelling: fixes from spell checker
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parents:
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diff
changeset
|
672 """synchronise phase information locally and remotely""" |
20468
7d0bbb6dd730
push: extract new common set computation from phase synchronisation
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20467
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|
673 cheads = pushop.commonheads |
20441
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674 # even when we don't push, exchanging phase data is useful |
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|
675 remotephases = pushop.remote.listkeys('phases') |
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676 if (pushop.ui.configbool('ui', '_usedassubrepo', False) |
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|
677 and remotephases # server supports phases |
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|
678 and pushop.cgresult is None # nothing was pushed |
20441
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|
679 and remotephases.get('publishing', False)): |
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680 # When: |
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681 # - this is a subrepo push |
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682 # - and remote support phase |
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683 # - and no changeset was pushed |
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684 # - and remote is publishing |
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685 # We may be in issue 3871 case! |
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686 # We drop the possible phase synchronisation done by |
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|
687 # courtesy to publish changesets possibly locally draft |
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|
688 # on the remote. |
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changeset
|
689 remotephases = {'publishing': 'True'} |
21012
c827a0028e6f
exchange: restore truncated comment
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21005
diff
changeset
|
690 if not remotephases: # old server or public only reply from non-publishing |
20441
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|
691 _localphasemove(pushop, cheads) |
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|
692 # don't push any phase data as there is nothing to push |
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changeset
|
693 else: |
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|
694 ana = phases.analyzeremotephases(pushop.repo, cheads, |
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|
695 remotephases) |
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|
696 pheads, droots = ana |
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|
697 ### Apply remote phase on local |
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|
698 if remotephases.get('publishing', False): |
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|
699 _localphasemove(pushop, cheads) |
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|
700 else: # publish = False |
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diff
changeset
|
701 _localphasemove(pushop, pheads) |
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parents:
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diff
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|
702 _localphasemove(pushop, cheads, phases.draft) |
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|
703 ### Apply local phase on remote |
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diff
changeset
|
704 |
22615
4f14303e8954
push: rename `pushop.ret` to `pushop.cgresult`
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22543
diff
changeset
|
705 if pushop.cgresult: |
22020
311979b773fb
push: include phase push in the unified bundle2 push
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22019
diff
changeset
|
706 if 'phases' in pushop.stepsdone: |
311979b773fb
push: include phase push in the unified bundle2 push
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22019
diff
changeset
|
707 # phases already pushed though bundle2 |
311979b773fb
push: include phase push in the unified bundle2 push
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22019
diff
changeset
|
708 return |
22019
9fcf772f15ff
push: perform phases discovery before the push
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parents:
22018
diff
changeset
|
709 outdated = pushop.outdatedphases |
9fcf772f15ff
push: perform phases discovery before the push
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22018
diff
changeset
|
710 else: |
9fcf772f15ff
push: perform phases discovery before the push
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22018
diff
changeset
|
711 outdated = pushop.fallbackoutdatedphases |
9fcf772f15ff
push: perform phases discovery before the push
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22018
diff
changeset
|
712 |
22020
311979b773fb
push: include phase push in the unified bundle2 push
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22019
diff
changeset
|
713 pushop.stepsdone.add('phases') |
311979b773fb
push: include phase push in the unified bundle2 push
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22019
diff
changeset
|
714 |
22019
9fcf772f15ff
push: perform phases discovery before the push
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22018
diff
changeset
|
715 # filter heads already turned public by the push |
9fcf772f15ff
push: perform phases discovery before the push
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22018
diff
changeset
|
716 outdated = [c for c in outdated if c.node() not in pheads] |
23376
2e65da5f80df
push: stop independent usage of bundle2 in syncphase (issue4454)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23082
diff
changeset
|
717 # fallback to independent pushkey command |
2e65da5f80df
push: stop independent usage of bundle2 in syncphase (issue4454)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23082
diff
changeset
|
718 for newremotehead in outdated: |
2e65da5f80df
push: stop independent usage of bundle2 in syncphase (issue4454)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23082
diff
changeset
|
719 r = pushop.remote.pushkey('phases', |
2e65da5f80df
push: stop independent usage of bundle2 in syncphase (issue4454)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23082
diff
changeset
|
720 newremotehead.hex(), |
2e65da5f80df
push: stop independent usage of bundle2 in syncphase (issue4454)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23082
diff
changeset
|
721 str(phases.draft), |
2e65da5f80df
push: stop independent usage of bundle2 in syncphase (issue4454)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23082
diff
changeset
|
722 str(phases.public)) |
2e65da5f80df
push: stop independent usage of bundle2 in syncphase (issue4454)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23082
diff
changeset
|
723 if not r: |
2e65da5f80df
push: stop independent usage of bundle2 in syncphase (issue4454)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23082
diff
changeset
|
724 pushop.ui.warn(_('updating %s to public failed!\n') |
2e65da5f80df
push: stop independent usage of bundle2 in syncphase (issue4454)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23082
diff
changeset
|
725 % newremotehead) |
20441
eca9d5375606
push: move phases synchronisation function in its own function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
20440
diff
changeset
|
726 |
20438
2b5ab0d11327
push: move local phase move in a normal function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
20437
diff
changeset
|
727 def _localphasemove(pushop, nodes, phase=phases.public): |
2b5ab0d11327
push: move local phase move in a normal function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
20437
diff
changeset
|
728 """move <nodes> to <phase> in the local source repo""" |
23437
94e2862dbcfb
push: elevate phase transaction to cover entire operation
Eric Sumner <ericsumner@fb.com>
parents:
23436
diff
changeset
|
729 if pushop.trmanager: |
94e2862dbcfb
push: elevate phase transaction to cover entire operation
Eric Sumner <ericsumner@fb.com>
parents:
23436
diff
changeset
|
730 phases.advanceboundary(pushop.repo, |
94e2862dbcfb
push: elevate phase transaction to cover entire operation
Eric Sumner <ericsumner@fb.com>
parents:
23436
diff
changeset
|
731 pushop.trmanager.transaction(), |
94e2862dbcfb
push: elevate phase transaction to cover entire operation
Eric Sumner <ericsumner@fb.com>
parents:
23436
diff
changeset
|
732 phase, |
94e2862dbcfb
push: elevate phase transaction to cover entire operation
Eric Sumner <ericsumner@fb.com>
parents:
23436
diff
changeset
|
733 nodes) |
20438
2b5ab0d11327
push: move local phase move in a normal function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
20437
diff
changeset
|
734 else: |
2b5ab0d11327
push: move local phase move in a normal function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
20437
diff
changeset
|
735 # repo is not locked, do not change any phases! |
2b5ab0d11327
push: move local phase move in a normal function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
20437
diff
changeset
|
736 # Informs the user that phases should have been moved when |
2b5ab0d11327
push: move local phase move in a normal function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
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diff
changeset
|
737 # applicable. |
2b5ab0d11327
push: move local phase move in a normal function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
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diff
changeset
|
738 actualmoves = [n for n in nodes if phase < pushop.repo[n].phase()] |
2b5ab0d11327
push: move local phase move in a normal function
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parents:
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diff
changeset
|
739 phasestr = phases.phasenames[phase] |
2b5ab0d11327
push: move local phase move in a normal function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
20437
diff
changeset
|
740 if actualmoves: |
2b5ab0d11327
push: move local phase move in a normal function
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parents:
20437
diff
changeset
|
741 pushop.ui.status(_('cannot lock source repo, skipping ' |
2b5ab0d11327
push: move local phase move in a normal function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
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diff
changeset
|
742 'local %s phase update\n') % phasestr) |
2b5ab0d11327
push: move local phase move in a normal function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
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diff
changeset
|
743 |
20433
6af248474224
push: feed pushoperation object to _pushobsolete function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
20432
diff
changeset
|
744 def _pushobsolete(pushop): |
20434
e009e59e4566
push: drop now outdated comment
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
20433
diff
changeset
|
745 """utility function to push obsolete markers to a remote""" |
22036
f1528ef123f4
push: use stepsdone for obsmarkers push
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22035
diff
changeset
|
746 if 'obsmarkers' in pushop.stepsdone: |
f1528ef123f4
push: use stepsdone for obsmarkers push
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22035
diff
changeset
|
747 return |
20435
46ede894d5a4
push: move obsolescence related message into _pushobsolescence function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
20434
diff
changeset
|
748 pushop.ui.debug('try to push obsolete markers to remote\n') |
20433
6af248474224
push: feed pushoperation object to _pushobsolete function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
20432
diff
changeset
|
749 repo = pushop.repo |
6af248474224
push: feed pushoperation object to _pushobsolete function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
20432
diff
changeset
|
750 remote = pushop.remote |
22036
f1528ef123f4
push: use stepsdone for obsmarkers push
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22035
diff
changeset
|
751 pushop.stepsdone.add('obsmarkers') |
22350
6d113cc7a31a
push: only push obsmarkers relevant to the "pushed subset"
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22347
diff
changeset
|
752 if pushop.outobsmarkers: |
20432
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753 rslts = [] |
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754 remotedata = obsolete._pushkeyescape(pushop.outobsmarkers) |
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755 for key in sorted(remotedata, reverse=True): |
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756 # reverse sort to ensure we end with dump0 |
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757 data = remotedata[key] |
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758 rslts.append(remote.pushkey('obsolete', key, '', data)) |
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759 if [r for r in rslts if not r]: |
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760 msg = _('failed to push some obsolete markers!\n') |
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761 repo.ui.warn(msg) |
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762 |
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763 def _pushbookmark(pushop): |
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764 """Update bookmark position on remote""" |
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765 if pushop.cgresult == 0 or 'bookmarks' in pushop.stepsdone: |
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766 return |
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767 pushop.stepsdone.add('bookmarks') |
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768 ui = pushop.ui |
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769 remote = pushop.remote |
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770 |
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771 for b, old, new in pushop.outbookmarks: |
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772 action = 'update' |
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773 if not old: |
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774 action = 'export' |
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775 elif not new: |
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776 action = 'delete' |
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777 if remote.pushkey('bookmarks', b, old, new): |
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778 ui.status(bookmsgmap[action][0] % b) |
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779 else: |
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780 ui.warn(bookmsgmap[action][1] % b) |
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781 # discovery can have set the value form invalid entry |
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782 if pushop.bkresult is not None: |
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783 pushop.bkresult = 1 |
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784 |
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785 class pulloperation(object): |
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786 """A object that represent a single pull operation |
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787 |
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788 It purpose is to carry pull related state and very common operation. |
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789 |
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790 A new should be created at the beginning of each pull and discarded |
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791 afterward. |
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792 """ |
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793 |
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794 def __init__(self, repo, remote, heads=None, force=False, bookmarks=()): |
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795 # repo we pull into |
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796 self.repo = repo |
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797 # repo we pull from |
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798 self.remote = remote |
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799 # revision we try to pull (None is "all") |
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800 self.heads = heads |
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801 # bookmark pulled explicitly |
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802 self.explicitbookmarks = bookmarks |
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803 # do we force pull? |
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804 self.force = force |
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805 # transaction manager |
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806 self.trmanager = None |
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807 # set of common changeset between local and remote before pull |
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808 self.common = None |
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809 # set of pulled head |
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810 self.rheads = None |
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811 # list of missing changeset to fetch remotely |
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812 self.fetch = None |
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813 # remote bookmarks data |
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814 self.remotebookmarks = None |
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815 # result of changegroup pulling (used as return code by pull) |
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816 self.cgresult = None |
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817 # list of step already done |
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818 self.stepsdone = set() |
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819 |
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820 @util.propertycache |
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821 def pulledsubset(self): |
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822 """heads of the set of changeset target by the pull""" |
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823 # compute target subset |
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824 if self.heads is None: |
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825 # We pulled every thing possible |
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826 # sync on everything common |
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827 c = set(self.common) |
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828 ret = list(self.common) |
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829 for n in self.rheads: |
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830 if n not in c: |
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831 ret.append(n) |
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832 return ret |
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833 else: |
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834 # We pulled a specific subset |
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835 # sync on this subset |
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836 return self.heads |
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837 |
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838 def gettransaction(self): |
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839 # deprecated; talk to trmanager directly |
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840 return self.trmanager.transaction() |
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841 |
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842 class transactionmanager(object): |
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843 """An object to manage the life cycle of a transaction |
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844 |
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845 It creates the transaction on demand and calls the appropriate hooks when |
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846 closing the transaction.""" |
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847 def __init__(self, repo, source, url): |
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848 self.repo = repo |
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849 self.source = source |
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850 self.url = url |
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851 self._tr = None |
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852 |
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853 def transaction(self): |
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854 """Return an open transaction object, constructing if necessary""" |
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855 if not self._tr: |
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856 trname = '%s\n%s' % (self.source, util.hidepassword(self.url)) |
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857 self._tr = self.repo.transaction(trname) |
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858 self._tr.hookargs['source'] = self.source |
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859 self._tr.hookargs['url'] = self.url |
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860 return self._tr |
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861 |
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862 def close(self): |
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863 """close transaction if created""" |
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864 if self._tr is not None: |
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865 self._tr.close() |
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866 |
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867 def release(self): |
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868 """release transaction if created""" |
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869 if self._tr is not None: |
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870 self._tr.release() |
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871 |
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872 def pull(repo, remote, heads=None, force=False, bookmarks=()): |
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873 pullop = pulloperation(repo, remote, heads, force, bookmarks=bookmarks) |
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874 if pullop.remote.local(): |
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875 missing = set(pullop.remote.requirements) - pullop.repo.supported |
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876 if missing: |
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877 msg = _("required features are not" |
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878 " supported in the destination:" |
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879 " %s") % (', '.join(sorted(missing))) |
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880 raise util.Abort(msg) |
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881 |
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882 pullop.remotebookmarks = remote.listkeys('bookmarks') |
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883 lock = pullop.repo.lock() |
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884 try: |
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885 pullop.trmanager = transactionmanager(repo, 'pull', remote.url()) |
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886 _pulldiscovery(pullop) |
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887 if _canusebundle2(pullop): |
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888 _pullbundle2(pullop) |
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889 _pullchangeset(pullop) |
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890 _pullphase(pullop) |
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891 _pullbookmarks(pullop) |
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892 _pullobsolete(pullop) |
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893 pullop.trmanager.close() |
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894 finally: |
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895 pullop.trmanager.release() |
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896 lock.release() |
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897 |
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898 return pullop |
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899 |
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900 # list of steps to perform discovery before pull |
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901 pulldiscoveryorder = [] |
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902 |
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903 # Mapping between step name and function |
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904 # |
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905 # This exists to help extensions wrap steps if necessary |
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906 pulldiscoverymapping = {} |
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907 |
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908 def pulldiscovery(stepname): |
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909 """decorator for function performing discovery before pull |
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910 |
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911 The function is added to the step -> function mapping and appended to the |
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912 list of steps. Beware that decorated function will be added in order (this |
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913 may matter). |
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914 |
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915 You can only use this decorator for a new step, if you want to wrap a step |
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916 from an extension, change the pulldiscovery dictionary directly.""" |
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917 def dec(func): |
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918 assert stepname not in pulldiscoverymapping |
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919 pulldiscoverymapping[stepname] = func |
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920 pulldiscoveryorder.append(stepname) |
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921 return func |
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922 return dec |
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923 |
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924 def _pulldiscovery(pullop): |
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925 """Run all discovery steps""" |
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926 for stepname in pulldiscoveryorder: |
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927 step = pulldiscoverymapping[stepname] |
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928 step(pullop) |
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929 |
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930 @pulldiscovery('changegroup') |
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931 def _pulldiscoverychangegroup(pullop): |
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932 """discovery phase for the pull |
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933 |
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934 Current handle changeset discovery only, will change handle all discovery |
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935 at some point.""" |
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936 tmp = discovery.findcommonincoming(pullop.repo, |
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937 pullop.remote, |
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938 heads=pullop.heads, |
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939 force=pullop.force) |
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940 common, fetch, rheads = tmp |
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941 nm = pullop.repo.unfiltered().changelog.nodemap |
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942 if fetch and rheads: |
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943 # If a remote heads in filtered locally, lets drop it from the unknown |
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944 # remote heads and put in back in common. |
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945 # |
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946 # This is a hackish solution to catch most of "common but locally |
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947 # hidden situation". We do not performs discovery on unfiltered |
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948 # repository because it end up doing a pathological amount of round |
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949 # trip for w huge amount of changeset we do not care about. |
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950 # |
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951 # If a set of such "common but filtered" changeset exist on the server |
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952 # but are not including a remote heads, we'll not be able to detect it, |
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953 scommon = set(common) |
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954 filteredrheads = [] |
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955 for n in rheads: |
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956 if n in nm: |
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957 if n not in scommon: |
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958 common.append(n) |
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959 else: |
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960 filteredrheads.append(n) |
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961 if not filteredrheads: |
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962 fetch = [] |
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963 rheads = filteredrheads |
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964 pullop.common = common |
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965 pullop.fetch = fetch |
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966 pullop.rheads = rheads |
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967 |
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968 def _pullbundle2(pullop): |
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969 """pull data using bundle2 |
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970 |
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971 For now, the only supported data are changegroup.""" |
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972 remotecaps = bundle2.bundle2caps(pullop.remote) |
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973 kwargs = {'bundlecaps': caps20to10(pullop.repo)} |
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|
974 # pulling changegroup |
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|
975 pullop.stepsdone.add('changegroup') |
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976 |
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|
977 kwargs['common'] = pullop.common |
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978 kwargs['heads'] = pullop.heads or pullop.rheads |
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|
979 kwargs['cg'] = pullop.fetch |
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980 if 'listkeys' in remotecaps: |
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|
981 kwargs['listkeys'] = ['phase', 'bookmarks'] |
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982 if not pullop.fetch: |
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983 pullop.repo.ui.status(_("no changes found\n")) |
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|
984 pullop.cgresult = 0 |
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985 else: |
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986 if pullop.heads is None and list(pullop.common) == [nullid]: |
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|
987 pullop.repo.ui.status(_("requesting all changes\n")) |
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|
988 if obsolete.isenabled(pullop.repo, obsolete.exchangeopt): |
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989 remoteversions = bundle2.obsmarkersversion(remotecaps) |
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|
990 if obsolete.commonversion(remoteversions) is not None: |
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|
991 kwargs['obsmarkers'] = True |
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|
992 pullop.stepsdone.add('obsmarkers') |
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993 _pullbundle2extraprepare(pullop, kwargs) |
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994 bundle = pullop.remote.getbundle('pull', **kwargs) |
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995 try: |
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996 op = bundle2.processbundle(pullop.repo, bundle, pullop.gettransaction) |
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|
997 except error.BundleValueError, exc: |
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998 raise util.Abort('missing support for %s' % exc) |
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|
999 |
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1000 if pullop.fetch: |
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1001 results = [cg['return'] for cg in op.records['changegroup']] |
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1002 pullop.cgresult = changegroup.combineresults(results) |
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1003 |
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1004 # processing phases change |
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1005 for namespace, value in op.records['listkeys']: |
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1006 if namespace == 'phases': |
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1007 _pullapplyphases(pullop, value) |
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1008 |
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1009 # processing bookmark update |
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1010 for namespace, value in op.records['listkeys']: |
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1011 if namespace == 'bookmarks': |
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1012 pullop.remotebookmarks = value |
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1013 _pullbookmarks(pullop) |
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1014 |
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1015 def _pullbundle2extraprepare(pullop, kwargs): |
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1016 """hook function so that extensions can extend the getbundle call""" |
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1017 pass |
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1018 |
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1019 def _pullchangeset(pullop): |
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1020 """pull changeset from unbundle into the local repo""" |
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1021 # We delay the open of the transaction as late as possible so we |
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1022 # don't open transaction for nothing or you break future useful |
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1023 # rollback call |
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1024 if 'changegroup' in pullop.stepsdone: |
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1025 return |
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1026 pullop.stepsdone.add('changegroup') |
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|
1027 if not pullop.fetch: |
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|
1028 pullop.repo.ui.status(_("no changes found\n")) |
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|
1029 pullop.cgresult = 0 |
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|
1030 return |
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1031 pullop.gettransaction() |
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1032 if pullop.heads is None and list(pullop.common) == [nullid]: |
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1033 pullop.repo.ui.status(_("requesting all changes\n")) |
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1034 elif pullop.heads is None and pullop.remote.capable('changegroupsubset'): |
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1035 # issue1320, avoid a race if remote changed after discovery |
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1036 pullop.heads = pullop.rheads |
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1037 |
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1038 if pullop.remote.capable('getbundle'): |
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1039 # TODO: get bundlecaps from remote |
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1040 cg = pullop.remote.getbundle('pull', common=pullop.common, |
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1041 heads=pullop.heads or pullop.rheads) |
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1042 elif pullop.heads is None: |
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1043 cg = pullop.remote.changegroup(pullop.fetch, 'pull') |
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1044 elif not pullop.remote.capable('changegroupsubset'): |
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|
1045 raise util.Abort(_("partial pull cannot be done because " |
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|
1046 "other repository doesn't support " |
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|
1047 "changegroupsubset.")) |
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1048 else: |
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|
1049 cg = pullop.remote.changegroupsubset(pullop.fetch, pullop.heads, 'pull') |
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|
1050 pullop.cgresult = changegroup.addchangegroup(pullop.repo, cg, 'pull', |
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|
1051 pullop.remote.url()) |
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|
1052 |
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|
1053 def _pullphase(pullop): |
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|
1054 # Get remote phases data from remote |
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|
1055 if 'phases' in pullop.stepsdone: |
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|
1056 return |
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|
1057 remotephases = pullop.remote.listkeys('phases') |
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1058 _pullapplyphases(pullop, remotephases) |
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|
1059 |
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changeset
|
1060 def _pullapplyphases(pullop, remotephases): |
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|
1061 """apply phase movement from observed remote state""" |
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|
1062 if 'phases' in pullop.stepsdone: |
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|
1063 return |
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|
1064 pullop.stepsdone.add('phases') |
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|
1065 publishing = bool(remotephases.get('publishing', False)) |
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|
1066 if remotephases and not publishing: |
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|
1067 # remote is new and unpublishing |
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|
1068 pheads, _dr = phases.analyzeremotephases(pullop.repo, |
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|
1069 pullop.pulledsubset, |
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changeset
|
1070 remotephases) |
22068
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|
1071 dheads = pullop.pulledsubset |
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1072 else: |
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changeset
|
1073 # Remote is old or publishing all common changesets |
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|
1074 # should be seen as public |
22068
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|
1075 pheads = pullop.pulledsubset |
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|
1076 dheads = [] |
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1077 unfi = pullop.repo.unfiltered() |
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1078 phase = unfi._phasecache.phase |
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1079 rev = unfi.changelog.nodemap.get |
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1080 public = phases.public |
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1081 draft = phases.draft |
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1082 |
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1083 # exclude changesets already public locally and update the others |
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1084 pheads = [pn for pn in pheads if phase(unfi, rev(pn)) > public] |
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1085 if pheads: |
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1086 tr = pullop.gettransaction() |
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1087 phases.advanceboundary(pullop.repo, tr, public, pheads) |
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1088 |
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1089 # exclude changesets already draft locally and update the others |
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1090 dheads = [pn for pn in dheads if phase(unfi, rev(pn)) > draft] |
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1091 if dheads: |
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1092 tr = pullop.gettransaction() |
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1093 phases.advanceboundary(pullop.repo, tr, draft, dheads) |
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1094 |
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1095 def _pullbookmarks(pullop): |
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1096 """process the remote bookmark information to update the local one""" |
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1097 if 'bookmarks' in pullop.stepsdone: |
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1098 return |
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1099 pullop.stepsdone.add('bookmarks') |
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1100 repo = pullop.repo |
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1101 remotebookmarks = pullop.remotebookmarks |
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1102 bookmod.updatefromremote(repo.ui, repo, remotebookmarks, |
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1103 pullop.remote.url(), |
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1104 pullop.gettransaction, |
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1105 explicit=pullop.explicitbookmarks) |
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1106 |
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1107 def _pullobsolete(pullop): |
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1108 """utility function to pull obsolete markers from a remote |
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1109 |
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1110 The `gettransaction` is function that return the pull transaction, creating |
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1111 one if necessary. We return the transaction to inform the calling code that |
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1112 a new transaction have been created (when applicable). |
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1113 |
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1114 Exists mostly to allow overriding for experimentation purpose""" |
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1115 if 'obsmarkers' in pullop.stepsdone: |
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1116 return |
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1117 pullop.stepsdone.add('obsmarkers') |
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1118 tr = None |
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1119 if obsolete.isenabled(pullop.repo, obsolete.exchangeopt): |
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1120 pullop.repo.ui.debug('fetching remote obsolete markers\n') |
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1121 remoteobs = pullop.remote.listkeys('obsolete') |
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1122 if 'dump0' in remoteobs: |
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1123 tr = pullop.gettransaction() |
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1124 for key in sorted(remoteobs, reverse=True): |
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1125 if key.startswith('dump'): |
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1126 data = base85.b85decode(remoteobs[key]) |
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1127 pullop.repo.obsstore.mergemarkers(tr, data) |
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1128 pullop.repo.invalidatevolatilesets() |
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1129 return tr |
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1130 |
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1131 def caps20to10(repo): |
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1132 """return a set with appropriate options to use bundle20 during getbundle""" |
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1133 caps = set(['HG20']) |
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1134 capsblob = bundle2.encodecaps(bundle2.getrepocaps(repo)) |
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1135 caps.add('bundle2=' + urllib.quote(capsblob)) |
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1136 return caps |
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1137 |
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1138 # List of names of steps to perform for a bundle2 for getbundle, order matters. |
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1139 getbundle2partsorder = [] |
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1140 |
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1141 # Mapping between step name and function |
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1142 # |
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1143 # This exists to help extensions wrap steps if necessary |
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1144 getbundle2partsmapping = {} |
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1145 |
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1146 def getbundle2partsgenerator(stepname, idx=None): |
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1147 """decorator for function generating bundle2 part for getbundle |
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1148 |
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1149 The function is added to the step -> function mapping and appended to the |
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1150 list of steps. Beware that decorated functions will be added in order |
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1151 (this may matter). |
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1152 |
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1153 You can only use this decorator for new steps, if you want to wrap a step |
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1154 from an extension, attack the getbundle2partsmapping dictionary directly.""" |
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1155 def dec(func): |
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1156 assert stepname not in getbundle2partsmapping |
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1157 getbundle2partsmapping[stepname] = func |
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1158 if idx is None: |
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1159 getbundle2partsorder.append(stepname) |
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1160 else: |
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1161 getbundle2partsorder.insert(idx, stepname) |
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1162 return func |
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1163 return dec |
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1164 |
21157
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1165 def getbundle(repo, source, heads=None, common=None, bundlecaps=None, |
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1166 **kwargs): |
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1167 """return a full bundle (with potentially multiple kind of parts) |
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1168 |
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1169 Could be a bundle HG10 or a bundle HG20 depending on bundlecaps |
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1170 passed. For now, the bundle can contain only changegroup, but this will |
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1171 changes when more part type will be available for bundle2. |
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1172 |
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1173 This is different from changegroup.getchangegroup that only returns an HG10 |
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1174 changegroup bundle. They may eventually get reunited in the future when we |
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1175 have a clearer idea of the API we what to query different data. |
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1176 |
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1177 The implementation is at a very early stage and will get massive rework |
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1178 when the API of bundle is refined. |
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1179 """ |
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1180 # bundle10 case |
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1181 usebundle2 = False |
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1182 if bundlecaps is not None: |
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1183 usebundle2 = util.any((cap.startswith('HG2') for cap in bundlecaps)) |
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1184 if not usebundle2: |
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1185 if bundlecaps and not kwargs.get('cg', True): |
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1186 raise ValueError(_('request for bundle10 must include changegroup')) |
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1187 |
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1188 if kwargs: |
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1189 raise ValueError(_('unsupported getbundle arguments: %s') |
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1190 % ', '.join(sorted(kwargs.keys()))) |
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1191 return changegroup.getchangegroup(repo, source, heads=heads, |
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1192 common=common, bundlecaps=bundlecaps) |
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1193 |
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1194 # bundle20 case |
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1195 b2caps = {} |
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1196 for bcaps in bundlecaps: |
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1197 if bcaps.startswith('bundle2='): |
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1198 blob = urllib.unquote(bcaps[len('bundle2='):]) |
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1199 b2caps.update(bundle2.decodecaps(blob)) |
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1200 bundler = bundle2.bundle20(repo.ui, b2caps) |
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1201 |
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1202 kwargs['heads'] = heads |
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1203 kwargs['common'] = common |
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1204 |
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1205 for name in getbundle2partsorder: |
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1206 func = getbundle2partsmapping[name] |
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1207 func(bundler, repo, source, bundlecaps=bundlecaps, b2caps=b2caps, |
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1208 **kwargs) |
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1209 |
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1210 return util.chunkbuffer(bundler.getchunks()) |
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1211 |
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1212 @getbundle2partsgenerator('changegroup') |
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1213 def _getbundlechangegrouppart(bundler, repo, source, bundlecaps=None, |
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1214 b2caps=None, heads=None, common=None, **kwargs): |
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1215 """add a changegroup part to the requested bundle""" |
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1216 cg = None |
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1217 if kwargs.get('cg', True): |
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1218 # build changegroup bundle here. |
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1219 version = None |
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1220 cgversions = b2caps.get('changegroup') |
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1221 if not cgversions: # 3.1 and 3.2 ship with an empty value |
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1222 cg = changegroup.getchangegroupraw(repo, source, heads=heads, |
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1223 common=common, |
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1224 bundlecaps=bundlecaps) |
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1225 else: |
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1226 cgversions = [v for v in cgversions if v in changegroup.packermap] |
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1227 if not cgversions: |
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1228 raise ValueError(_('no common changegroup version')) |
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1229 version = max(cgversions) |
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1230 cg = changegroup.getchangegroupraw(repo, source, heads=heads, |
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1231 common=common, |
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1232 bundlecaps=bundlecaps, |
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1233 version=version) |
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1234 |
21259
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1235 if cg: |
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1236 part = bundler.newpart('changegroup', data=cg) |
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1237 if version is not None: |
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1238 part.addparam('version', version) |
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1239 |
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1240 @getbundle2partsgenerator('listkeys') |
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1241 def _getbundlelistkeysparts(bundler, repo, source, bundlecaps=None, |
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1242 b2caps=None, **kwargs): |
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1243 """add parts containing listkeys namespaces to the requested bundle""" |
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1244 listkeys = kwargs.get('listkeys', ()) |
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1245 for namespace in listkeys: |
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1246 part = bundler.newpart('listkeys') |
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1247 part.addparam('namespace', namespace) |
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1248 keys = repo.listkeys(namespace).items() |
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1249 part.data = pushkey.encodekeys(keys) |
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1250 |
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1251 @getbundle2partsgenerator('obsmarkers') |
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1252 def _getbundleobsmarkerpart(bundler, repo, source, bundlecaps=None, |
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1253 b2caps=None, heads=None, **kwargs): |
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1254 """add an obsolescence markers part to the requested bundle""" |
22353
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|
1255 if kwargs.get('obsmarkers', False): |
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1256 if heads is None: |
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1257 heads = repo.heads() |
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1258 subset = [c.node() for c in repo.set('::%ln', heads)] |
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1259 markers = repo.obsstore.relevantmarkers(subset) |
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1260 buildobsmarkerspart(bundler, markers) |
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1261 |
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1262 def check_heads(repo, their_heads, context): |
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1263 """check if the heads of a repo have been modified |
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1264 |
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1265 Used by peer for unbundling. |
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1266 """ |
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1267 heads = repo.heads() |
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1268 heads_hash = util.sha1(''.join(sorted(heads))).digest() |
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1269 if not (their_heads == ['force'] or their_heads == heads or |
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1270 their_heads == ['hashed', heads_hash]): |
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1271 # someone else committed/pushed/unbundled while we |
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|
1272 # were transferring data |
21184
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|
1273 raise error.PushRaced('repository changed while %s - ' |
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|
1274 'please try again' % context) |
20968
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1275 |
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|
1276 def unbundle(repo, cg, heads, source, url): |
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1277 """Apply a bundle to a repo. |
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1278 |
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|
1279 this function makes sure the repo is locked during the application and have |
21024
7731a2281cf0
spelling: fixes from spell checker
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|
1280 mechanism to check that no push race occurred between the creation of the |
20968
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1281 bundle and its application. |
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1282 |
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|
1283 If the push was raced as PushRaced exception is raised.""" |
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|
1284 r = 0 |
21061
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|
1285 # need a transaction when processing a bundle2 stream |
24752
5640efd1b160
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|
1286 wlock = lock = tr = None |
24847
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|
1287 recordout = None |
24878
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1288 # quick fix for output mismatch with bundle2 in 3.4 |
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1289 captureoutput = repo.ui.configbool('experimental', 'bundle2-output-capture', |
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1290 False) |
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1291 if url.startswith('remote:http:') or url.startswith('remote:https:'): |
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1292 captureoutput = True |
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1293 try: |
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1294 check_heads(repo, heads, 'uploading changes') |
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1295 # push can proceed |
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1296 if util.safehasattr(cg, 'params'): |
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1297 r = None |
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1298 try: |
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1299 wlock = repo.wlock() |
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1300 lock = repo.lock() |
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1301 tr = repo.transaction(source) |
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1302 tr.hookargs['source'] = source |
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1303 tr.hookargs['url'] = url |
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1304 tr.hookargs['bundle2'] = '1' |
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1305 op = bundle2.bundleoperation(repo, lambda: tr, |
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1306 captureoutput=captureoutput) |
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1307 try: |
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1308 r = bundle2.processbundle(repo, cg, op=op) |
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1309 finally: |
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1310 r = op.reply |
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1311 if captureoutput and r is not None: |
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1312 repo.ui.pushbuffer(error=True, subproc=True) |
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1313 def recordout(output): |
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1314 r.newpart('output', data=output, mandatory=False) |
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1315 tr.close() |
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1316 except Exception, exc: |
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1317 exc.duringunbundle2 = True |
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1318 if captureoutput and r is not None: |
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1319 parts = exc._bundle2salvagedoutput = r.salvageoutput() |
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1320 def recordout(output): |
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1321 part = bundle2.bundlepart('output', data=output, |
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1322 mandatory=False) |
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1323 parts.append(part) |
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1324 raise |
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1325 else: |
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1326 lock = repo.lock() |
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1327 r = changegroup.addchangegroup(repo, cg, source, url) |
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1328 finally: |
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1329 lockmod.release(tr, lock, wlock) |
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1330 if recordout is not None: |
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1331 recordout(repo.ui.popbuffer()) |
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1332 return r |