annotate mercurial/exchange.py @ 20955:12f161f08d74

bundle2: allow pulling changegroups using bundle2 This changeset refactors the pull code to use a bundle2 when available. We keep bundle2 disabled by default. The current code is not ready for prime time. Ultimately we'll want to unify the API of `bunde10` and `bundle20` to have less different code. But for now, testing the bundle2 exchange flow is an higher priority.
author Pierre-Yves David <pierre-yves.david@fb.com>
date Tue, 01 Apr 2014 23:41:32 -0700
parents dba91f8060eb
children dbf0fa39a5b8
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1 # exchange.py - utily to exchange data between repo.
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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 cStringIO
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11 import errno
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12 import util, scmutil, changegroup, base85
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13 import discovery, phases, obsolete, bookmarks, bundle2
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14
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15
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16 class pushoperation(object):
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17 """A object that represent a single push operation
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18
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19 It purpose is to carry push related state and very common operation.
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20
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21 A new should be created at the begining of each push and discarded
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22 afterward.
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23 """
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24
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25 def __init__(self, repo, remote, force=False, revs=None, newbranch=False):
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26 # repo we push from
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27 self.repo = repo
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28 self.ui = repo.ui
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29 # repo we push to
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30 self.remote = remote
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31 # force option provided
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32 self.force = force
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33 # revs to be pushed (None is "all")
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34 self.revs = revs
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35 # allow push of new branch
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36 self.newbranch = newbranch
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37 # did a local lock get acquired?
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38 self.locallocked = None
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39 # Integer version of the push result
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40 # - None means nothing to push
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41 # - 0 means HTTP error
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42 # - 1 means we pushed and remote head count is unchanged *or*
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43 # we have outgoing changesets but refused to push
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44 # - other values as described by addchangegroup()
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45 self.ret = None
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46 # discover.outgoing object (contains common and outgoin data)
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47 self.outgoing = None
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48 # all remote heads before the push
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49 self.remoteheads = None
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50 # testable as a boolean indicating if any nodes are missing locally.
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51 self.incoming = None
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52 # set of all heads common after changeset bundle push
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53 self.commonheads = None
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54
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55 def push(repo, remote, force=False, revs=None, newbranch=False):
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56 '''Push outgoing changesets (limited by revs) from a local
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57 repository to remote. Return an integer:
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58 - None means nothing to push
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59 - 0 means HTTP error
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60 - 1 means we pushed and remote head count is unchanged *or*
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61 we have outgoing changesets but refused to push
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62 - other values as described by addchangegroup()
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63 '''
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64 pushop = pushoperation(repo, remote, force, revs, newbranch)
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65 if pushop.remote.local():
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66 missing = (set(pushop.repo.requirements)
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67 - pushop.remote.local().supported)
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68 if missing:
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69 msg = _("required features are not"
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70 " supported in the destination:"
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71 " %s") % (', '.join(sorted(missing)))
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72 raise util.Abort(msg)
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73
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74 # there are two ways to push to remote repo:
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75 #
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76 # addchangegroup assumes local user can lock remote
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77 # repo (local filesystem, old ssh servers).
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78 #
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79 # unbundle assumes local user cannot lock remote repo (new ssh
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80 # servers, http servers).
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81
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82 if not pushop.remote.canpush():
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83 raise util.Abort(_("destination does not support push"))
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84 # get local lock as we might write phase data
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85 locallock = None
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86 try:
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87 locallock = pushop.repo.lock()
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88 pushop.locallocked = True
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89 except IOError, err:
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90 pushop.locallocked = False
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91 if err.errno != errno.EACCES:
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92 raise
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93 # source repo cannot be locked.
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94 # We do not abort the push, but just disable the local phase
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95 # synchronisation.
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96 msg = 'cannot lock source repository: %s\n' % err
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97 pushop.ui.debug(msg)
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98 try:
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99 pushop.repo.checkpush(pushop)
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100 lock = None
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101 unbundle = pushop.remote.capable('unbundle')
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102 if not unbundle:
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103 lock = pushop.remote.lock()
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104 try:
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105 _pushdiscovery(pushop)
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106 if _pushcheckoutgoing(pushop):
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107 _pushchangeset(pushop)
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108 _pushcomputecommonheads(pushop)
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109 _pushsyncphase(pushop)
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110 _pushobsolete(pushop)
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111 finally:
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112 if lock is not None:
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113 lock.release()
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114 finally:
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115 if locallock is not None:
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116 locallock.release()
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117
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118 _pushbookmark(pushop)
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119 return pushop.ret
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120
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121 def _pushdiscovery(pushop):
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122 # discovery
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123 unfi = pushop.repo.unfiltered()
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124 fci = discovery.findcommonincoming
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125 commoninc = fci(unfi, pushop.remote, force=pushop.force)
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126 common, inc, remoteheads = commoninc
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127 fco = discovery.findcommonoutgoing
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128 outgoing = fco(unfi, pushop.remote, onlyheads=pushop.revs,
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129 commoninc=commoninc, force=pushop.force)
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130 pushop.outgoing = outgoing
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131 pushop.remoteheads = remoteheads
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132 pushop.incoming = inc
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133
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134 def _pushcheckoutgoing(pushop):
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135 outgoing = pushop.outgoing
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136 unfi = pushop.repo.unfiltered()
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137 if not outgoing.missing:
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138 # nothing to push
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139 scmutil.nochangesfound(unfi.ui, unfi, outgoing.excluded)
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140 return False
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141 # something to push
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142 if not pushop.force:
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143 # if repo.obsstore == False --> no obsolete
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144 # then, save the iteration
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145 if unfi.obsstore:
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146 # this message are here for 80 char limit reason
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147 mso = _("push includes obsolete changeset: %s!")
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148 mst = "push includes %s changeset: %s!"
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149 # plain versions for i18n tool to detect them
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150 _("push includes unstable changeset: %s!")
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151 _("push includes bumped changeset: %s!")
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152 _("push includes divergent changeset: %s!")
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153 # If we are to push if there is at least one
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154 # obsolete or unstable changeset in missing, at
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155 # least one of the missinghead will be obsolete or
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156 # unstable. So checking heads only is ok
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157 for node in outgoing.missingheads:
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158 ctx = unfi[node]
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159 if ctx.obsolete():
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160 raise util.Abort(mso % ctx)
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161 elif ctx.troubled():
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162 raise util.Abort(_(mst)
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163 % (ctx.troubles()[0],
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164 ctx))
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165 newbm = pushop.ui.configlist('bookmarks', 'pushing')
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166 discovery.checkheads(unfi, pushop.remote, outgoing,
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167 pushop.remoteheads,
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168 pushop.newbranch,
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169 bool(pushop.incoming),
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170 newbm)
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171 return True
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172
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173 def _pushchangeset(pushop):
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174 """Make the actual push of changeset bundle to remote repo"""
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175 outgoing = pushop.outgoing
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176 unbundle = pushop.remote.capable('unbundle')
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177 # TODO: get bundlecaps from remote
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178 bundlecaps = None
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179 # create a changegroup from local
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180 if pushop.revs is None and not (outgoing.excluded
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181 or pushop.repo.changelog.filteredrevs):
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182 # push everything,
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183 # use the fast path, no race possible on push
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184 bundler = changegroup.bundle10(pushop.repo, bundlecaps)
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185 cg = changegroup.getsubset(pushop.repo,
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186 outgoing,
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187 bundler,
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188 'push',
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189 fastpath=True)
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190 else:
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191 cg = changegroup.getlocalbundle(pushop.repo, 'push', outgoing,
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192 bundlecaps)
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193
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194 # apply changegroup to remote
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195 if unbundle:
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196 # local repo finds heads on server, finds out what
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197 # revs it must push. once revs transferred, if server
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198 # finds it has different heads (someone else won
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199 # commit/push race), server aborts.
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200 if pushop.force:
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201 remoteheads = ['force']
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202 else:
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203 remoteheads = pushop.remoteheads
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204 # ssh: return remote's addchangegroup()
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205 # http: return remote's addchangegroup() or 0 for error
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206 pushop.ret = pushop.remote.unbundle(cg, remoteheads,
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207 'push')
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208 else:
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209 # we return an integer indicating remote head count
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210 # change
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211 pushop.ret = pushop.remote.addchangegroup(cg, 'push',
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212 pushop.repo.url())
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213
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214 def _pushcomputecommonheads(pushop):
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215 unfi = pushop.repo.unfiltered()
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216 if pushop.ret:
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217 # push succeed, synchronize target of the push
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218 cheads = pushop.outgoing.missingheads
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219 elif pushop.revs is None:
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220 # All out push fails. synchronize all common
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221 cheads = pushop.outgoing.commonheads
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222 else:
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223 # I want cheads = heads(::missingheads and ::commonheads)
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224 # (missingheads is revs with secret changeset filtered out)
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225 #
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226 # This can be expressed as:
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227 # cheads = ( (missingheads and ::commonheads)
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228 # + (commonheads and ::missingheads))"
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229 # )
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230 #
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231 # while trying to push we already computed the following:
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232 # common = (::commonheads)
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233 # missing = ((commonheads::missingheads) - commonheads)
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234 #
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235 # We can pick:
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236 # * missingheads part of common (::commonheads)
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237 common = set(pushop.outgoing.common)
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238 nm = pushop.repo.changelog.nodemap
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239 cheads = [node for node in pushop.revs if nm[node] in common]
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240 # and
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241 # * commonheads parents on missing
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242 revset = unfi.set('%ln and parents(roots(%ln))',
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243 pushop.outgoing.commonheads,
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244 pushop.outgoing.missing)
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245 cheads.extend(c.node() for c in revset)
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246 pushop.commonheads = cheads
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247
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248 def _pushsyncphase(pushop):
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249 """synchronise phase information locally and remotly"""
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250 unfi = pushop.repo.unfiltered()
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251 cheads = pushop.commonheads
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252 if pushop.ret:
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253 # push succeed, synchronize target of the push
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254 cheads = pushop.outgoing.missingheads
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255 elif pushop.revs is None:
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256 # All out push fails. synchronize all common
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257 cheads = pushop.outgoing.commonheads
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258 else:
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259 # I want cheads = heads(::missingheads and ::commonheads)
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260 # (missingheads is revs with secret changeset filtered out)
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261 #
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262 # This can be expressed as:
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263 # cheads = ( (missingheads and ::commonheads)
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264 # + (commonheads and ::missingheads))"
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265 # )
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266 #
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267 # while trying to push we already computed the following:
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268 # common = (::commonheads)
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269 # missing = ((commonheads::missingheads) - commonheads)
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270 #
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271 # We can pick:
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272 # * missingheads part of common (::commonheads)
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273 common = set(pushop.outgoing.common)
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274 nm = pushop.repo.changelog.nodemap
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275 cheads = [node for node in pushop.revs if nm[node] in common]
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276 # and
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277 # * commonheads parents on missing
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278 revset = unfi.set('%ln and parents(roots(%ln))',
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279 pushop.outgoing.commonheads,
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280 pushop.outgoing.missing)
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281 cheads.extend(c.node() for c in revset)
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282 pushop.commonheads = cheads
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283 # even when we don't push, exchanging phase data is useful
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284 remotephases = pushop.remote.listkeys('phases')
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285 if (pushop.ui.configbool('ui', '_usedassubrepo', False)
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286 and remotephases # server supports phases
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287 and pushop.ret is None # nothing was pushed
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288 and remotephases.get('publishing', False)):
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289 # When:
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290 # - this is a subrepo push
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291 # - and remote support phase
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292 # - and no changeset was pushed
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293 # - and remote is publishing
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294 # We may be in issue 3871 case!
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295 # We drop the possible phase synchronisation done by
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296 # courtesy to publish changesets possibly locally draft
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297 # on the remote.
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298 remotephases = {'publishing': 'True'}
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299 if not remotephases: # old server or public only rer
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300 _localphasemove(pushop, cheads)
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301 # don't push any phase data as there is nothing to push
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302 else:
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303 ana = phases.analyzeremotephases(pushop.repo, cheads,
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304 remotephases)
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305 pheads, droots = ana
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306 ### Apply remote phase on local
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307 if remotephases.get('publishing', False):
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308 _localphasemove(pushop, cheads)
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309 else: # publish = False
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310 _localphasemove(pushop, pheads)
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311 _localphasemove(pushop, cheads, phases.draft)
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312 ### Apply local phase on remote
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313
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314 # Get the list of all revs draft on remote by public here.
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315 # XXX Beware that revset break if droots is not strictly
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316 # XXX root we may want to ensure it is but it is costly
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317 outdated = unfi.set('heads((%ln::%ln) and public())',
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318 droots, cheads)
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319 for newremotehead in outdated:
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320 r = pushop.remote.pushkey('phases',
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321 newremotehead.hex(),
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322 str(phases.draft),
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323 str(phases.public))
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324 if not r:
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325 pushop.ui.warn(_('updating %s to public failed!\n')
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326 % newremotehead)
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327
20438
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328 def _localphasemove(pushop, nodes, phase=phases.public):
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329 """move <nodes> to <phase> in the local source repo"""
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330 if pushop.locallocked:
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331 phases.advanceboundary(pushop.repo, phase, nodes)
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332 else:
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333 # repo is not locked, do not change any phases!
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334 # Informs the user that phases should have been moved when
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335 # applicable.
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336 actualmoves = [n for n in nodes if phase < pushop.repo[n].phase()]
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337 phasestr = phases.phasenames[phase]
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338 if actualmoves:
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339 pushop.ui.status(_('cannot lock source repo, skipping '
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340 'local %s phase update\n') % phasestr)
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341
20433
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342 def _pushobsolete(pushop):
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343 """utility function to push obsolete markers to a remote"""
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344 pushop.ui.debug('try to push obsolete markers to remote\n')
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345 repo = pushop.repo
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346 remote = pushop.remote
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diff changeset
347 if (obsolete._enabled and repo.obsstore and
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diff changeset
348 'obsolete' in remote.listkeys('namespaces')):
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diff changeset
349 rslts = []
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350 remotedata = repo.listkeys('obsolete')
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351 for key in sorted(remotedata, reverse=True):
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diff changeset
352 # reverse sort to ensure we end with dump0
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diff changeset
353 data = remotedata[key]
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354 rslts.append(remote.pushkey('obsolete', key, '', data))
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355 if [r for r in rslts if not r]:
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356 msg = _('failed to push some obsolete markers!\n')
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357 repo.ui.warn(msg)
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358
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359 def _pushbookmark(pushop):
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diff changeset
360 """Update bookmark position on remote"""
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diff changeset
361 ui = pushop.ui
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diff changeset
362 repo = pushop.repo.unfiltered()
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diff changeset
363 remote = pushop.remote
20352
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diff changeset
364 ui.debug("checking for updated bookmarks\n")
20431
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diff changeset
365 revnums = map(repo.changelog.rev, pushop.revs or [])
20352
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366 ancestors = [a for a in repo.changelog.ancestors(revnums, inclusive=True)]
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367 (addsrc, adddst, advsrc, advdst, diverge, differ, invalid
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368 ) = bookmarks.compare(repo, repo._bookmarks, remote.listkeys('bookmarks'),
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369 srchex=hex)
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370
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371 for b, scid, dcid in advsrc:
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diff changeset
372 if ancestors and repo[scid].rev() not in ancestors:
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diff changeset
373 continue
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diff changeset
374 if remote.pushkey('bookmarks', b, dcid, scid):
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diff changeset
375 ui.status(_("updating bookmark %s\n") % b)
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diff changeset
376 else:
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377 ui.warn(_('updating bookmark %s failed!\n') % b)
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378
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379 class pulloperation(object):
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380 """A object that represent a single pull operation
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381
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382 It purpose is to carry push related state and very common operation.
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383
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384 A new should be created at the begining of each pull and discarded
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385 afterward.
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386 """
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387
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388 def __init__(self, repo, remote, heads=None, force=False):
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389 # repo we pull into
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390 self.repo = repo
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391 # repo we pull from
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392 self.remote = remote
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393 # revision we try to pull (None is "all")
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394 self.heads = heads
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395 # do we force pull?
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396 self.force = force
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397 # the name the pull transaction
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398 self._trname = 'pull\n' + util.hidepassword(remote.url())
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399 # hold the transaction once created
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400 self._tr = None
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401 # set of common changeset between local and remote before pull
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402 self.common = None
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403 # set of pulled head
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404 self.rheads = None
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diff changeset
405 # list of missing changeset to fetch remotly
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diff changeset
406 self.fetch = None
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407 # result of changegroup pulling (used as returng code by pull)
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408 self.cgresult = None
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409 # list of step remaining todo (related to future bundle2 usage)
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410 self.todosteps = set(['changegroup', 'phases', 'obsmarkers'])
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diff changeset
411
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diff changeset
412 @util.propertycache
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diff changeset
413 def pulledsubset(self):
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414 """heads of the set of changeset target by the pull"""
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diff changeset
415 # compute target subset
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diff changeset
416 if self.heads is None:
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diff changeset
417 # We pulled every thing possible
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418 # sync on everything common
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diff changeset
419 c = set(self.common)
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diff changeset
420 ret = list(self.common)
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diff changeset
421 for n in self.rheads:
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diff changeset
422 if n not in c:
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423 ret.append(n)
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424 return ret
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425 else:
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426 # We pulled a specific subset
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427 # sync on this subset
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428 return self.heads
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429
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430 def gettransaction(self):
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431 """get appropriate pull transaction, creating it if needed"""
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432 if self._tr is None:
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433 self._tr = self.repo.transaction(self._trname)
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diff changeset
434 return self._tr
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435
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diff changeset
436 def closetransaction(self):
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diff changeset
437 """close transaction if created"""
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diff changeset
438 if self._tr is not None:
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diff changeset
439 self._tr.close()
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440
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441 def releasetransaction(self):
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442 """release transaction if created"""
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443 if self._tr is not None:
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444 self._tr.release()
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445
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446 def pull(repo, remote, heads=None, force=False):
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diff changeset
447 pullop = pulloperation(repo, remote, heads, force)
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diff changeset
448 if pullop.remote.local():
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diff changeset
449 missing = set(pullop.remote.requirements) - pullop.repo.supported
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450 if missing:
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diff changeset
451 msg = _("required features are not"
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diff changeset
452 " supported in the destination:"
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diff changeset
453 " %s") % (', '.join(sorted(missing)))
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diff changeset
454 raise util.Abort(msg)
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diff changeset
455
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456 lock = pullop.repo.lock()
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diff changeset
457 try:
20900
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diff changeset
458 _pulldiscovery(pullop)
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diff changeset
459 if pullop.remote.capable('bundle2'):
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diff changeset
460 _pullbundle2(pullop)
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diff changeset
461 if 'changegroup' in pullop.todosteps:
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462 _pullchangeset(pullop)
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diff changeset
463 if 'phases' in pullop.todosteps:
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diff changeset
464 _pullphase(pullop)
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diff changeset
465 if 'obsmarkers' in pullop.todosteps:
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diff changeset
466 _pullobsolete(pullop)
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diff changeset
467 pullop.closetransaction()
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diff changeset
468 finally:
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diff changeset
469 pullop.releasetransaction()
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diff changeset
470 lock.release()
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471
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diff changeset
472 return pullop.cgresult
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diff changeset
473
20900
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diff changeset
474 def _pulldiscovery(pullop):
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475 """discovery phase for the pull
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diff changeset
476
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diff changeset
477 Current handle changeset discovery only, will change handle all discovery
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diff changeset
478 at some point."""
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diff changeset
479 tmp = discovery.findcommonincoming(pullop.repo.unfiltered(),
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diff changeset
480 pullop.remote,
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diff changeset
481 heads=pullop.heads,
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diff changeset
482 force=pullop.force)
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diff changeset
483 pullop.common, pullop.fetch, pullop.rheads = tmp
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diff changeset
484
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diff changeset
485 def _pullbundle2(pullop):
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diff changeset
486 """pull data using bundle2
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diff changeset
487
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diff changeset
488 For now, the only supported data are changegroup."""
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diff changeset
489 kwargs = {'bundlecaps': set(['HG20'])}
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diff changeset
490 # pulling changegroup
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parents: 20954
diff changeset
491 pullop.todosteps.remove('changegroup')
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Pierre-Yves David <pierre-yves.david@fb.com>
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diff changeset
492 if not pullop.fetch:
12f161f08d74 bundle2: allow pulling changegroups using bundle2
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parents: 20954
diff changeset
493 pullop.repo.ui.status(_("no changes found\n"))
12f161f08d74 bundle2: allow pulling changegroups using bundle2
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parents: 20954
diff changeset
494 pullop.cgresult = 0
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parents: 20954
diff changeset
495 else:
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parents: 20954
diff changeset
496 kwargs['common'] = pullop.common
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diff changeset
497 kwargs['heads'] = pullop.heads or pullop.rheads
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parents: 20954
diff changeset
498 if pullop.heads is None and list(pullop.common) == [nullid]:
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Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20954
diff changeset
499 pullop.repo.ui.status(_("requesting all changes\n"))
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Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20954
diff changeset
500 if kwargs.keys() == ['format']:
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diff changeset
501 return # nothing to pull
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parents: 20954
diff changeset
502 bundle = pullop.remote.getbundle('pull', **kwargs)
12f161f08d74 bundle2: allow pulling changegroups using bundle2
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parents: 20954
diff changeset
503 try:
12f161f08d74 bundle2: allow pulling changegroups using bundle2
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20954
diff changeset
504 op = bundle2.processbundle(pullop.repo, bundle, pullop.gettransaction)
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parents: 20954
diff changeset
505 except KeyError, exc:
12f161f08d74 bundle2: allow pulling changegroups using bundle2
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20954
diff changeset
506 raise util.Abort('missing support for %s' % exc)
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Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20954
diff changeset
507 assert len(op.records['changegroup']) == 1
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Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20954
diff changeset
508 pullop.cgresult = op.records['changegroup'][0]['return']
12f161f08d74 bundle2: allow pulling changegroups using bundle2
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20954
diff changeset
509
20489
7b5ec1c7e8e2 pull: move changeset pulling in its own function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20488
diff changeset
510 def _pullchangeset(pullop):
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parents: 20488
diff changeset
511 """pull changeset from unbundle into the local repo"""
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parents: 20488
diff changeset
512 # We delay the open of the transaction as late as possible so we
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Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20488
diff changeset
513 # don't open transaction for nothing or you break future useful
7b5ec1c7e8e2 pull: move changeset pulling in its own function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20488
diff changeset
514 # rollback call
20901
a26dfa7f534c pull: add a set of steps that remain to be done during the pull
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20900
diff changeset
515 pullop.todosteps.remove('changegroup')
20899
d62319f91cb7 pull: move the cgresult logic in _pullchangeset
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20898
diff changeset
516 if not pullop.fetch:
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parents: 20898
diff changeset
517 pullop.repo.ui.status(_("no changes found\n"))
d62319f91cb7 pull: move the cgresult logic in _pullchangeset
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parents: 20898
diff changeset
518 pullop.cgresult = 0
d62319f91cb7 pull: move the cgresult logic in _pullchangeset
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20898
diff changeset
519 return
20489
7b5ec1c7e8e2 pull: move changeset pulling in its own function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20488
diff changeset
520 pullop.gettransaction()
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parents: 20488
diff changeset
521 if pullop.heads is None and list(pullop.common) == [nullid]:
7b5ec1c7e8e2 pull: move changeset pulling in its own function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20488
diff changeset
522 pullop.repo.ui.status(_("requesting all changes\n"))
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Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20488
diff changeset
523 elif pullop.heads is None and pullop.remote.capable('changegroupsubset'):
7b5ec1c7e8e2 pull: move changeset pulling in its own function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20488
diff changeset
524 # issue1320, avoid a race if remote changed after discovery
7b5ec1c7e8e2 pull: move changeset pulling in its own function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20488
diff changeset
525 pullop.heads = pullop.rheads
7b5ec1c7e8e2 pull: move changeset pulling in its own function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20488
diff changeset
526
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Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20488
diff changeset
527 if pullop.remote.capable('getbundle'):
7b5ec1c7e8e2 pull: move changeset pulling in its own function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20488
diff changeset
528 # TODO: get bundlecaps from remote
7b5ec1c7e8e2 pull: move changeset pulling in its own function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20488
diff changeset
529 cg = pullop.remote.getbundle('pull', common=pullop.common,
7b5ec1c7e8e2 pull: move changeset pulling in its own function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20488
diff changeset
530 heads=pullop.heads or pullop.rheads)
7b5ec1c7e8e2 pull: move changeset pulling in its own function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20488
diff changeset
531 elif pullop.heads is None:
7b5ec1c7e8e2 pull: move changeset pulling in its own function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20488
diff changeset
532 cg = pullop.remote.changegroup(pullop.fetch, 'pull')
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Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20488
diff changeset
533 elif not pullop.remote.capable('changegroupsubset'):
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Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20488
diff changeset
534 raise util.Abort(_("partial pull cannot be done because "
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Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20488
diff changeset
535 "other repository doesn't support "
7b5ec1c7e8e2 pull: move changeset pulling in its own function
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parents: 20488
diff changeset
536 "changegroupsubset."))
7b5ec1c7e8e2 pull: move changeset pulling in its own function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20488
diff changeset
537 else:
7b5ec1c7e8e2 pull: move changeset pulling in its own function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20488
diff changeset
538 cg = pullop.remote.changegroupsubset(pullop.fetch, pullop.heads, 'pull')
20933
d3775db748a0 localrepo: move the addchangegroup method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20928
diff changeset
539 pullop.cgresult = changegroup.addchangegroup(pullop.repo, cg, 'pull',
20899
d62319f91cb7 pull: move the cgresult logic in _pullchangeset
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20898
diff changeset
540 pullop.remote.url())
20489
7b5ec1c7e8e2 pull: move changeset pulling in its own function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20488
diff changeset
541
20486
0c469df6e914 pull: move phases synchronisation in its own function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20485
diff changeset
542 def _pullphase(pullop):
0c469df6e914 pull: move phases synchronisation in its own function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20485
diff changeset
543 # Get remote phases data from remote
20901
a26dfa7f534c pull: add a set of steps that remain to be done during the pull
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20900
diff changeset
544 pullop.todosteps.remove('phases')
20486
0c469df6e914 pull: move phases synchronisation in its own function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20485
diff changeset
545 remotephases = pullop.remote.listkeys('phases')
0c469df6e914 pull: move phases synchronisation in its own function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20485
diff changeset
546 publishing = bool(remotephases.get('publishing', False))
0c469df6e914 pull: move phases synchronisation in its own function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20485
diff changeset
547 if remotephases and not publishing:
0c469df6e914 pull: move phases synchronisation in its own function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20485
diff changeset
548 # remote is new and unpublishing
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parents: 20485
diff changeset
549 pheads, _dr = phases.analyzeremotephases(pullop.repo,
0c469df6e914 pull: move phases synchronisation in its own function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20485
diff changeset
550 pullop.pulledsubset,
0c469df6e914 pull: move phases synchronisation in its own function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20485
diff changeset
551 remotephases)
0c469df6e914 pull: move phases synchronisation in its own function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20485
diff changeset
552 phases.advanceboundary(pullop.repo, phases.public, pheads)
0c469df6e914 pull: move phases synchronisation in its own function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20485
diff changeset
553 phases.advanceboundary(pullop.repo, phases.draft,
0c469df6e914 pull: move phases synchronisation in its own function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20485
diff changeset
554 pullop.pulledsubset)
0c469df6e914 pull: move phases synchronisation in its own function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20485
diff changeset
555 else:
0c469df6e914 pull: move phases synchronisation in its own function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20485
diff changeset
556 # Remote is old or publishing all common changesets
0c469df6e914 pull: move phases synchronisation in its own function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20485
diff changeset
557 # should be seen as public
0c469df6e914 pull: move phases synchronisation in its own function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20485
diff changeset
558 phases.advanceboundary(pullop.repo, phases.public,
0c469df6e914 pull: move phases synchronisation in its own function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20485
diff changeset
559 pullop.pulledsubset)
0c469df6e914 pull: move phases synchronisation in its own function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20485
diff changeset
560
20478
80628d4069be push: feed pulloperation object to _pullobsolete function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20477
diff changeset
561 def _pullobsolete(pullop):
20476
1180c6ec5695 pull: move obsolescence marker exchange in the exchange module
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20475
diff changeset
562 """utility function to pull obsolete markers from a remote
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Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20475
diff changeset
563
1180c6ec5695 pull: move obsolescence marker exchange in the exchange module
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20475
diff changeset
564 The `gettransaction` is function that return the pull transaction, creating
1180c6ec5695 pull: move obsolescence marker exchange in the exchange module
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20475
diff changeset
565 one if necessary. We return the transaction to inform the calling code that
1180c6ec5695 pull: move obsolescence marker exchange in the exchange module
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20475
diff changeset
566 a new transaction have been created (when applicable).
1180c6ec5695 pull: move obsolescence marker exchange in the exchange module
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20475
diff changeset
567
1180c6ec5695 pull: move obsolescence marker exchange in the exchange module
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20475
diff changeset
568 Exists mostly to allow overriding for experimentation purpose"""
20901
a26dfa7f534c pull: add a set of steps that remain to be done during the pull
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20900
diff changeset
569 pullop.todosteps.remove('obsmarkers')
20476
1180c6ec5695 pull: move obsolescence marker exchange in the exchange module
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20475
diff changeset
570 tr = None
1180c6ec5695 pull: move obsolescence marker exchange in the exchange module
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20475
diff changeset
571 if obsolete._enabled:
20478
80628d4069be push: feed pulloperation object to _pullobsolete function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20477
diff changeset
572 pullop.repo.ui.debug('fetching remote obsolete markers\n')
80628d4069be push: feed pulloperation object to _pullobsolete function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20477
diff changeset
573 remoteobs = pullop.remote.listkeys('obsolete')
20476
1180c6ec5695 pull: move obsolescence marker exchange in the exchange module
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20475
diff changeset
574 if 'dump0' in remoteobs:
20478
80628d4069be push: feed pulloperation object to _pullobsolete function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20477
diff changeset
575 tr = pullop.gettransaction()
20476
1180c6ec5695 pull: move obsolescence marker exchange in the exchange module
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20475
diff changeset
576 for key in sorted(remoteobs, reverse=True):
1180c6ec5695 pull: move obsolescence marker exchange in the exchange module
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20475
diff changeset
577 if key.startswith('dump'):
1180c6ec5695 pull: move obsolescence marker exchange in the exchange module
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20475
diff changeset
578 data = base85.b85decode(remoteobs[key])
20478
80628d4069be push: feed pulloperation object to _pullobsolete function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20477
diff changeset
579 pullop.repo.obsstore.mergemarkers(tr, data)
80628d4069be push: feed pulloperation object to _pullobsolete function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20477
diff changeset
580 pullop.repo.invalidatevolatilesets()
20476
1180c6ec5695 pull: move obsolescence marker exchange in the exchange module
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20475
diff changeset
581 return tr
1180c6ec5695 pull: move obsolescence marker exchange in the exchange module
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 20475
diff changeset
582
20954
dba91f8060eb bundle2: add an exchange.getbundle function
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20933
diff changeset
583 def getbundle(repo, source, heads=None, common=None, bundlecaps=None):
dba91f8060eb bundle2: add an exchange.getbundle function
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20933
diff changeset
584 """return a full bundle (with potentially multiple kind of parts)
dba91f8060eb bundle2: add an exchange.getbundle function
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20933
diff changeset
585
dba91f8060eb bundle2: add an exchange.getbundle function
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20933
diff changeset
586 Could be a bundle HG10 or a bundle HG20 depending on bundlecaps
dba91f8060eb bundle2: add an exchange.getbundle function
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20933
diff changeset
587 passed. For now, the bundle can contain only changegroup, but this will
dba91f8060eb bundle2: add an exchange.getbundle function
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20933
diff changeset
588 changes when more part type will be available for bundle2.
dba91f8060eb bundle2: add an exchange.getbundle function
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20933
diff changeset
589
dba91f8060eb bundle2: add an exchange.getbundle function
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20933
diff changeset
590 This is different from changegroup.getbundle that only returns an HG10
dba91f8060eb bundle2: add an exchange.getbundle function
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20933
diff changeset
591 changegroup bundle. They may eventually get reunited in the future when we
dba91f8060eb bundle2: add an exchange.getbundle function
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20933
diff changeset
592 have a clearer idea of the API we what to query different data.
dba91f8060eb bundle2: add an exchange.getbundle function
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20933
diff changeset
593
dba91f8060eb bundle2: add an exchange.getbundle function
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20933
diff changeset
594 The implementation is at a very early stage and will get massive rework
dba91f8060eb bundle2: add an exchange.getbundle function
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20933
diff changeset
595 when the API of bundle is refined.
dba91f8060eb bundle2: add an exchange.getbundle function
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20933
diff changeset
596 """
dba91f8060eb bundle2: add an exchange.getbundle function
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20933
diff changeset
597 # build bundle here.
dba91f8060eb bundle2: add an exchange.getbundle function
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20933
diff changeset
598 cg = changegroup.getbundle(repo, source, heads=heads,
dba91f8060eb bundle2: add an exchange.getbundle function
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20933
diff changeset
599 common=common, bundlecaps=None)
dba91f8060eb bundle2: add an exchange.getbundle function
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20933
diff changeset
600 if bundlecaps is None or 'HG20' not in bundlecaps:
dba91f8060eb bundle2: add an exchange.getbundle function
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20933
diff changeset
601 return cg
dba91f8060eb bundle2: add an exchange.getbundle function
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20933
diff changeset
602 # very crude first implementation,
dba91f8060eb bundle2: add an exchange.getbundle function
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20933
diff changeset
603 # the bundle API will change and the generation will be done lazily.
dba91f8060eb bundle2: add an exchange.getbundle function
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20933
diff changeset
604 bundler = bundle2.bundle20(repo.ui)
dba91f8060eb bundle2: add an exchange.getbundle function
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20933
diff changeset
605 tempname = changegroup.writebundle(cg, None, 'HG10UN')
dba91f8060eb bundle2: add an exchange.getbundle function
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20933
diff changeset
606 data = open(tempname).read()
dba91f8060eb bundle2: add an exchange.getbundle function
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20933
diff changeset
607 part = bundle2.part('changegroup', data=data)
dba91f8060eb bundle2: add an exchange.getbundle function
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20933
diff changeset
608 bundler.addpart(part)
dba91f8060eb bundle2: add an exchange.getbundle function
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20933
diff changeset
609 temp = cStringIO.StringIO()
dba91f8060eb bundle2: add an exchange.getbundle function
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20933
diff changeset
610 for c in bundler.getchunks():
dba91f8060eb bundle2: add an exchange.getbundle function
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20933
diff changeset
611 temp.write(c)
dba91f8060eb bundle2: add an exchange.getbundle function
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20933
diff changeset
612 temp.seek(0)
dba91f8060eb bundle2: add an exchange.getbundle function
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20933
diff changeset
613 return bundle2.unbundle20(repo.ui, temp)