Mercurial > hg
annotate mercurial/exchange.py @ 24071:184a2f6f40da
bundle2.unbundle20: add compressed() method
Bundlerepo uses the compressed() method to determine whether it should write
an uncompressed temporary file. Since we don't support compressed bundle2 files
at the moment, make this method return true.
author | Eric Sumner <ericsumner@fb.com> |
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date | Thu, 05 Feb 2015 15:56:50 -0800 |
parents | 3b7088a5c64c |
children | 13a19717ade6 |
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 |
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14 def readbundle(ui, fh, fname, vfs=None): |
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15 header = changegroup.readexactly(fh, 4) |
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16 |
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17 alg = None |
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18 if not fname: |
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19 fname = "stream" |
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20 if not header.startswith('HG') and header.startswith('\0'): |
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21 fh = changegroup.headerlessfixup(fh, header) |
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22 header = "HG10" |
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23 alg = 'UN' |
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24 elif vfs: |
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25 fname = vfs.join(fname) |
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26 |
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27 magic, version = header[0:2], header[2:4] |
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28 |
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29 if magic != 'HG': |
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30 raise util.Abort(_('%s: not a Mercurial bundle') % fname) |
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31 if version == '10': |
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32 if alg is None: |
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33 alg = changegroup.readexactly(fh, 2) |
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34 return changegroup.cg1unpacker(fh, alg) |
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35 elif version == '2Y': |
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36 return bundle2.unbundle20(ui, fh, header=magic + version) |
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37 else: |
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38 raise util.Abort(_('%s: unknown bundle version %s') % (fname, version)) |
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39 |
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40 def buildobsmarkerspart(bundler, markers): |
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41 """add an obsmarker part to the bundler with <markers> |
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42 |
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43 No part is created if markers is empty. |
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44 Raises ValueError if the bundler doesn't support any known obsmarker format. |
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45 """ |
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46 if markers: |
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47 remoteversions = bundle2.obsmarkersversion(bundler.capabilities) |
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48 version = obsolete.commonversion(remoteversions) |
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49 if version is None: |
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50 raise ValueError('bundler do not support common obsmarker format') |
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51 stream = obsolete.encodemarkers(markers, True, version=version) |
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52 return bundler.newpart('b2x:obsmarkers', data=stream) |
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53 return None |
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54 |
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55 class pushoperation(object): |
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56 """A object that represent a single push operation |
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57 |
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58 It purpose is to carry push related state and very common operation. |
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59 |
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60 A new should be created at the beginning of each push and discarded |
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61 afterward. |
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62 """ |
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63 |
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64 def __init__(self, repo, remote, force=False, revs=None, newbranch=False, |
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65 bookmarks=()): |
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66 # repo we push from |
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67 self.repo = repo |
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68 self.ui = repo.ui |
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69 # repo we push to |
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70 self.remote = remote |
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71 # force option provided |
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72 self.force = force |
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73 # revs to be pushed (None is "all") |
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74 self.revs = revs |
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75 # bookmark explicitly pushed |
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76 self.bookmarks = bookmarks |
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77 # allow push of new branch |
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78 self.newbranch = newbranch |
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79 # did a local lock get acquired? |
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80 self.locallocked = None |
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81 # step already performed |
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82 # (used to check what steps have been already performed through bundle2) |
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83 self.stepsdone = set() |
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84 # Integer version of the changegroup push result |
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85 # - None means nothing to push |
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86 # - 0 means HTTP error |
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87 # - 1 means we pushed and remote head count is unchanged *or* |
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88 # we have outgoing changesets but refused to push |
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89 # - other values as described by addchangegroup() |
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90 self.cgresult = None |
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91 # Boolean value for the bookmark push |
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92 self.bkresult = None |
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93 # discover.outgoing object (contains common and outgoing data) |
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94 self.outgoing = None |
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95 # all remote heads before the push |
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96 self.remoteheads = None |
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97 # testable as a boolean indicating if any nodes are missing locally. |
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98 self.incoming = None |
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99 # phases changes that must be pushed along side the changesets |
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100 self.outdatedphases = None |
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101 # phases changes that must be pushed if changeset push fails |
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102 self.fallbackoutdatedphases = None |
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103 # outgoing obsmarkers |
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104 self.outobsmarkers = set() |
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105 # outgoing bookmarks |
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106 self.outbookmarks = [] |
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107 # transaction manager |
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108 self.trmanager = None |
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109 |
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110 @util.propertycache |
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111 def futureheads(self): |
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112 """future remote heads if the changeset push succeeds""" |
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113 return self.outgoing.missingheads |
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114 |
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115 @util.propertycache |
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116 def fallbackheads(self): |
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117 """future remote heads if the changeset push fails""" |
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118 if self.revs is None: |
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119 # not target to push, all common are relevant |
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120 return self.outgoing.commonheads |
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121 unfi = self.repo.unfiltered() |
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122 # I want cheads = heads(::missingheads and ::commonheads) |
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123 # (missingheads is revs with secret changeset filtered out) |
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124 # |
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125 # This can be expressed as: |
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126 # cheads = ( (missingheads and ::commonheads) |
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127 # + (commonheads and ::missingheads))" |
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128 # ) |
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129 # |
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130 # while trying to push we already computed the following: |
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131 # common = (::commonheads) |
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132 # missing = ((commonheads::missingheads) - commonheads) |
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133 # |
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134 # We can pick: |
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135 # * missingheads part of common (::commonheads) |
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136 common = set(self.outgoing.common) |
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137 nm = self.repo.changelog.nodemap |
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138 cheads = [node for node in self.revs if nm[node] in common] |
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139 # and |
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140 # * commonheads parents on missing |
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141 revset = unfi.set('%ln and parents(roots(%ln))', |
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142 self.outgoing.commonheads, |
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143 self.outgoing.missing) |
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144 cheads.extend(c.node() for c in revset) |
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145 return cheads |
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146 |
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147 @property |
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148 def commonheads(self): |
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149 """set of all common heads after changeset bundle push""" |
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150 if self.cgresult: |
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151 return self.futureheads |
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152 else: |
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153 return self.fallbackheads |
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154 |
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155 # mapping of message used when pushing bookmark |
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156 bookmsgmap = {'update': (_("updating bookmark %s\n"), |
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157 _('updating bookmark %s failed!\n')), |
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158 'export': (_("exporting bookmark %s\n"), |
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159 _('exporting bookmark %s failed!\n')), |
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160 'delete': (_("deleting remote bookmark %s\n"), |
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161 _('deleting remote bookmark %s failed!\n')), |
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162 } |
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163 |
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164 |
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165 def push(repo, remote, force=False, revs=None, newbranch=False, bookmarks=()): |
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166 '''Push outgoing changesets (limited by revs) from a local |
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167 repository to remote. Return an integer: |
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168 - None means nothing to push |
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169 - 0 means HTTP error |
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170 - 1 means we pushed and remote head count is unchanged *or* |
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171 we have outgoing changesets but refused to push |
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172 - other values as described by addchangegroup() |
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173 ''' |
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174 pushop = pushoperation(repo, remote, force, revs, newbranch, bookmarks) |
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175 if pushop.remote.local(): |
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176 missing = (set(pushop.repo.requirements) |
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177 - pushop.remote.local().supported) |
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178 if missing: |
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179 msg = _("required features are not" |
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180 " supported in the destination:" |
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181 " %s") % (', '.join(sorted(missing))) |
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182 raise util.Abort(msg) |
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183 |
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184 # there are two ways to push to remote repo: |
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185 # |
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186 # addchangegroup assumes local user can lock remote |
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187 # repo (local filesystem, old ssh servers). |
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188 # |
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189 # unbundle assumes local user cannot lock remote repo (new ssh |
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190 # servers, http servers). |
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191 |
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192 if not pushop.remote.canpush(): |
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193 raise util.Abort(_("destination does not support push")) |
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194 # get local lock as we might write phase data |
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195 locallock = None |
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196 try: |
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197 locallock = pushop.repo.lock() |
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198 pushop.locallocked = True |
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199 except IOError, err: |
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200 pushop.locallocked = False |
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201 if err.errno != errno.EACCES: |
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202 raise |
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203 # source repo cannot be locked. |
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204 # We do not abort the push, but just disable the local phase |
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205 # synchronisation. |
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206 msg = 'cannot lock source repository: %s\n' % err |
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207 pushop.ui.debug(msg) |
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208 try: |
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209 if pushop.locallocked: |
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210 pushop.trmanager = transactionmanager(repo, |
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211 'push-response', |
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212 pushop.remote.url()) |
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213 pushop.repo.checkpush(pushop) |
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214 lock = None |
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215 unbundle = pushop.remote.capable('unbundle') |
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216 if not unbundle: |
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217 lock = pushop.remote.lock() |
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218 try: |
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219 _pushdiscovery(pushop) |
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220 if (pushop.repo.ui.configbool('experimental', 'bundle2-exp', |
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221 False) |
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222 and pushop.remote.capable('bundle2-exp')): |
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223 _pushbundle2(pushop) |
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224 _pushchangeset(pushop) |
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225 _pushsyncphase(pushop) |
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226 _pushobsolete(pushop) |
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227 _pushbookmark(pushop) |
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228 finally: |
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229 if lock is not None: |
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230 lock.release() |
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231 if pushop.trmanager: |
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232 pushop.trmanager.close() |
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233 finally: |
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234 if pushop.trmanager: |
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235 pushop.trmanager.release() |
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236 if locallock is not None: |
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237 locallock.release() |
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238 |
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239 return pushop |
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240 |
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241 # list of steps to perform discovery before push |
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242 pushdiscoveryorder = [] |
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243 |
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244 # Mapping between step name and function |
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245 # |
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246 # This exists to help extensions wrap steps if necessary |
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247 pushdiscoverymapping = {} |
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248 |
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249 def pushdiscovery(stepname): |
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250 """decorator for function performing discovery before push |
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251 |
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252 The function is added to the step -> function mapping and appended to the |
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253 list of steps. Beware that decorated function will be added in order (this |
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254 may matter). |
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255 |
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256 You can only use this decorator for a new step, if you want to wrap a step |
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257 from an extension, change the pushdiscovery dictionary directly.""" |
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258 def dec(func): |
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259 assert stepname not in pushdiscoverymapping |
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260 pushdiscoverymapping[stepname] = func |
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261 pushdiscoveryorder.append(stepname) |
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262 return func |
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263 return dec |
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264 |
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265 def _pushdiscovery(pushop): |
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266 """Run all discovery steps""" |
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267 for stepname in pushdiscoveryorder: |
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268 step = pushdiscoverymapping[stepname] |
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269 step(pushop) |
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270 |
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271 @pushdiscovery('changeset') |
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272 def _pushdiscoverychangeset(pushop): |
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273 """discover the changeset that need to be pushed""" |
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274 fci = discovery.findcommonincoming |
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275 commoninc = fci(pushop.repo, pushop.remote, force=pushop.force) |
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276 common, inc, remoteheads = commoninc |
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277 fco = discovery.findcommonoutgoing |
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278 outgoing = fco(pushop.repo, pushop.remote, onlyheads=pushop.revs, |
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279 commoninc=commoninc, force=pushop.force) |
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280 pushop.outgoing = outgoing |
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281 pushop.remoteheads = remoteheads |
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282 pushop.incoming = inc |
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283 |
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284 @pushdiscovery('phase') |
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285 def _pushdiscoveryphase(pushop): |
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286 """discover the phase that needs to be pushed |
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287 |
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288 (computed for both success and failure case for changesets push)""" |
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289 outgoing = pushop.outgoing |
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290 unfi = pushop.repo.unfiltered() |
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291 remotephases = pushop.remote.listkeys('phases') |
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292 publishing = remotephases.get('publishing', False) |
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293 ana = phases.analyzeremotephases(pushop.repo, |
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294 pushop.fallbackheads, |
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295 remotephases) |
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296 pheads, droots = ana |
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297 extracond = '' |
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298 if not publishing: |
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299 extracond = ' and public()' |
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300 revset = 'heads((%%ln::%%ln) %s)' % extracond |
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301 # Get the list of all revs draft on remote by public here. |
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302 # XXX Beware that revset break if droots is not strictly |
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303 # XXX root we may want to ensure it is but it is costly |
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304 fallback = list(unfi.set(revset, droots, pushop.fallbackheads)) |
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305 if not outgoing.missing: |
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306 future = fallback |
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307 else: |
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308 # adds changeset we are going to push as draft |
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309 # |
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310 # should not be necessary for publishing server, but because of an |
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311 # issue fixed in xxxxx we have to do it anyway. |
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312 fdroots = list(unfi.set('roots(%ln + %ln::)', |
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313 outgoing.missing, droots)) |
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314 fdroots = [f.node() for f in fdroots] |
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315 future = list(unfi.set(revset, fdroots, pushop.futureheads)) |
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316 pushop.outdatedphases = future |
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317 pushop.fallbackoutdatedphases = fallback |
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318 |
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319 @pushdiscovery('obsmarker') |
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320 def _pushdiscoveryobsmarkers(pushop): |
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321 if (obsolete.isenabled(pushop.repo, obsolete.exchangeopt) |
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322 and pushop.repo.obsstore |
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323 and 'obsolete' in pushop.remote.listkeys('namespaces')): |
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324 repo = pushop.repo |
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325 # very naive computation, that can be quite expensive on big repo. |
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326 # However: evolution is currently slow on them anyway. |
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327 nodes = (c.node() for c in repo.set('::%ln', pushop.futureheads)) |
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328 pushop.outobsmarkers = pushop.repo.obsstore.relevantmarkers(nodes) |
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329 |
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330 @pushdiscovery('bookmarks') |
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331 def _pushdiscoverybookmarks(pushop): |
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332 ui = pushop.ui |
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333 repo = pushop.repo.unfiltered() |
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334 remote = pushop.remote |
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335 ui.debug("checking for updated bookmarks\n") |
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336 ancestors = () |
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337 if pushop.revs: |
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338 revnums = map(repo.changelog.rev, pushop.revs) |
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339 ancestors = repo.changelog.ancestors(revnums, inclusive=True) |
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340 remotebookmark = remote.listkeys('bookmarks') |
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341 |
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342 explicit = set(pushop.bookmarks) |
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343 |
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344 comp = bookmod.compare(repo, repo._bookmarks, remotebookmark, srchex=hex) |
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345 addsrc, adddst, advsrc, advdst, diverge, differ, invalid, same = comp |
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346 for b, scid, dcid in advsrc: |
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347 if b in explicit: |
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348 explicit.remove(b) |
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349 if not ancestors or repo[scid].rev() in ancestors: |
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350 pushop.outbookmarks.append((b, dcid, scid)) |
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351 # search added bookmark |
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352 for b, scid, dcid in addsrc: |
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353 if b in explicit: |
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354 explicit.remove(b) |
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355 pushop.outbookmarks.append((b, '', scid)) |
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356 # search for overwritten bookmark |
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357 for b, scid, dcid in advdst + diverge + differ: |
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358 if b in explicit: |
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359 explicit.remove(b) |
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360 pushop.outbookmarks.append((b, dcid, scid)) |
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361 # search for bookmark to delete |
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362 for b, scid, dcid in adddst: |
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363 if b in explicit: |
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364 explicit.remove(b) |
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365 # treat as "deleted locally" |
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366 pushop.outbookmarks.append((b, dcid, '')) |
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367 # identical bookmarks shouldn't get reported |
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368 for b, scid, dcid in same: |
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369 if b in explicit: |
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370 explicit.remove(b) |
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371 |
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372 if explicit: |
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373 explicit = sorted(explicit) |
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374 # we should probably list all of them |
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375 ui.warn(_('bookmark %s does not exist on the local ' |
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376 'or remote repository!\n') % explicit[0]) |
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377 pushop.bkresult = 2 |
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378 |
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379 pushop.outbookmarks.sort() |
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380 |
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381 def _pushcheckoutgoing(pushop): |
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382 outgoing = pushop.outgoing |
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383 unfi = pushop.repo.unfiltered() |
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384 if not outgoing.missing: |
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385 # nothing to push |
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386 scmutil.nochangesfound(unfi.ui, unfi, outgoing.excluded) |
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387 return False |
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388 # something to push |
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389 if not pushop.force: |
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390 # if repo.obsstore == False --> no obsolete |
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391 # then, save the iteration |
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392 if unfi.obsstore: |
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393 # this message are here for 80 char limit reason |
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394 mso = _("push includes obsolete changeset: %s!") |
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395 mst = {"unstable": _("push includes unstable changeset: %s!"), |
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396 "bumped": _("push includes bumped changeset: %s!"), |
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397 "divergent": _("push includes divergent changeset: %s!")} |
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398 # If we are to push if there is at least one |
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399 # obsolete or unstable changeset in missing, at |
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400 # least one of the missinghead will be obsolete or |
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401 # unstable. So checking heads only is ok |
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402 for node in outgoing.missingheads: |
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403 ctx = unfi[node] |
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404 if ctx.obsolete(): |
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405 raise util.Abort(mso % ctx) |
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406 elif ctx.troubled(): |
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407 raise util.Abort(mst[ctx.troubles()[0]] % ctx) |
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408 newbm = pushop.ui.configlist('bookmarks', 'pushing') |
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409 discovery.checkheads(unfi, pushop.remote, outgoing, |
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410 pushop.remoteheads, |
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411 pushop.newbranch, |
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412 bool(pushop.incoming), |
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413 newbm) |
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414 return True |
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415 |
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416 # List of names of steps to perform for an outgoing bundle2, order matters. |
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417 b2partsgenorder = [] |
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418 |
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419 # Mapping between step name and function |
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420 # |
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421 # This exists to help extensions wrap steps if necessary |
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422 b2partsgenmapping = {} |
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423 |
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424 def b2partsgenerator(stepname): |
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425 """decorator for function generating bundle2 part |
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426 |
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427 The function is added to the step -> function mapping and appended to the |
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428 list of steps. Beware that decorated functions will be added in order |
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429 (this may matter). |
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430 |
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431 You can only use this decorator for new steps, if you want to wrap a step |
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432 from an extension, attack the b2partsgenmapping dictionary directly.""" |
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433 def dec(func): |
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434 assert stepname not in b2partsgenmapping |
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435 b2partsgenmapping[stepname] = func |
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436 b2partsgenorder.append(stepname) |
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437 return func |
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diff
changeset
|
438 return dec |
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diff
changeset
|
439 |
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diff
changeset
|
440 @b2partsgenerator('changeset') |
21899
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changeset
|
441 def _pushb2ctx(pushop, bundler): |
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|
442 """handle changegroup push through bundle2 |
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|
443 |
22615
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|
444 addchangegroup result is stored in the ``pushop.cgresult`` attribute. |
21899
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changeset
|
445 """ |
21902
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changeset
|
446 if 'changesets' in pushop.stepsdone: |
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changeset
|
447 return |
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diff
changeset
|
448 pushop.stepsdone.add('changesets') |
21899
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changeset
|
449 # Send known heads to the server for race detection. |
21903
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changeset
|
450 if not _pushcheckoutgoing(pushop): |
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changeset
|
451 return |
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diff
changeset
|
452 pushop.repo.prepushoutgoinghooks(pushop.repo, |
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changeset
|
453 pushop.remote, |
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diff
changeset
|
454 pushop.outgoing) |
21899
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changeset
|
455 if not pushop.force: |
23591
414374cfb531
bundle2: lowercase part types
Eric Sumner <ericsumner@fb.com>
parents:
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diff
changeset
|
456 bundler.newpart('b2x:check:heads', data=iter(pushop.remoteheads)) |
23180
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changeset
|
457 b2caps = bundle2.bundle2caps(pushop.remote) |
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changeset
|
458 version = None |
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diff
changeset
|
459 cgversions = b2caps.get('b2x:changegroup') |
23208
f606e07fa148
bundle2: handle empty 'b2x:changegroup' value in push and pull
Pierre-Yves David <pierre-yves.david@fb.com>
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23203
diff
changeset
|
460 if not cgversions: # 3.1 and 3.2 ship with an empty value |
23180
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diff
changeset
|
461 cg = changegroup.getlocalchangegroupraw(pushop.repo, 'push', |
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changeset
|
462 pushop.outgoing) |
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|
463 else: |
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changeset
|
464 cgversions = [v for v in cgversions if v in changegroup.packermap] |
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changeset
|
465 if not cgversions: |
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changeset
|
466 raise ValueError(_('no common changegroup version')) |
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changeset
|
467 version = max(cgversions) |
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changeset
|
468 cg = changegroup.getlocalchangegroupraw(pushop.repo, 'push', |
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changeset
|
469 pushop.outgoing, |
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changeset
|
470 version=version) |
23591
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diff
changeset
|
471 cgpart = bundler.newpart('b2x:changegroup', data=cg) |
23180
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changeset
|
472 if version is not None: |
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changeset
|
473 cgpart.addparam('version', version) |
21899
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diff
changeset
|
474 def handlereply(op): |
23139
e53f6b72a0e4
spelling: fixes from proofreading of spell checker issues
Mads Kiilerich <madski@unity3d.com>
parents:
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diff
changeset
|
475 """extract addchangegroup returns from server reply""" |
21899
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diff
changeset
|
476 cgreplies = op.records.getreplies(cgpart.id) |
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diff
changeset
|
477 assert len(cgreplies['changegroup']) == 1 |
22615
4f14303e8954
push: rename `pushop.ret` to `pushop.cgresult`
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22543
diff
changeset
|
478 pushop.cgresult = cgreplies['changegroup'][0]['return'] |
21899
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changeset
|
479 return handlereply |
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diff
changeset
|
480 |
22020
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diff
changeset
|
481 @b2partsgenerator('phase') |
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diff
changeset
|
482 def _pushb2phases(pushop, bundler): |
311979b773fb
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diff
changeset
|
483 """handle phase push through bundle2""" |
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diff
changeset
|
484 if 'phases' in pushop.stepsdone: |
311979b773fb
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diff
changeset
|
485 return |
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diff
changeset
|
486 b2caps = bundle2.bundle2caps(pushop.remote) |
311979b773fb
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diff
changeset
|
487 if not 'b2x:pushkey' in b2caps: |
311979b773fb
push: include phase push in the unified bundle2 push
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parents:
22019
diff
changeset
|
488 return |
311979b773fb
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diff
changeset
|
489 pushop.stepsdone.add('phases') |
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diff
changeset
|
490 part2node = [] |
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diff
changeset
|
491 enc = pushkey.encode |
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parents:
22019
diff
changeset
|
492 for newremotehead in pushop.outdatedphases: |
311979b773fb
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22019
diff
changeset
|
493 part = bundler.newpart('b2x:pushkey') |
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diff
changeset
|
494 part.addparam('namespace', enc('phases')) |
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diff
changeset
|
495 part.addparam('key', enc(newremotehead.hex())) |
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diff
changeset
|
496 part.addparam('old', enc(str(phases.draft))) |
311979b773fb
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diff
changeset
|
497 part.addparam('new', enc(str(phases.public))) |
311979b773fb
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diff
changeset
|
498 part2node.append((part.id, newremotehead)) |
311979b773fb
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diff
changeset
|
499 def handlereply(op): |
311979b773fb
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22019
diff
changeset
|
500 for partid, node in part2node: |
311979b773fb
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diff
changeset
|
501 partrep = op.records.getreplies(partid) |
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diff
changeset
|
502 results = partrep['pushkey'] |
311979b773fb
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diff
changeset
|
503 assert len(results) <= 1 |
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diff
changeset
|
504 msg = None |
311979b773fb
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diff
changeset
|
505 if not results: |
311979b773fb
push: include phase push in the unified bundle2 push
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diff
changeset
|
506 msg = _('server ignored update of %s to public!\n') % node |
311979b773fb
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parents:
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diff
changeset
|
507 elif not int(results[0]['return']): |
311979b773fb
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parents:
22019
diff
changeset
|
508 msg = _('updating %s to public failed!\n') % node |
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parents:
22019
diff
changeset
|
509 if msg is not None: |
311979b773fb
push: include phase push in the unified bundle2 push
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parents:
22019
diff
changeset
|
510 pushop.ui.warn(msg) |
311979b773fb
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parents:
22019
diff
changeset
|
511 return handlereply |
21904
5fbccbcc07ea
bundle2-push: introduce a list of part generating functions
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21903
diff
changeset
|
512 |
22347
7198cb9b56b9
push: use bundle2 to push obsmarkers when possible
Pierre-Yves David <pierre-yves.david@fb.com>
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22346
diff
changeset
|
513 @b2partsgenerator('obsmarkers') |
7198cb9b56b9
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diff
changeset
|
514 def _pushb2obsmarkers(pushop, bundler): |
7198cb9b56b9
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diff
changeset
|
515 if 'obsmarkers' in pushop.stepsdone: |
7198cb9b56b9
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diff
changeset
|
516 return |
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push: use bundle2 to push obsmarkers when possible
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diff
changeset
|
517 remoteversions = bundle2.obsmarkersversion(bundler.capabilities) |
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diff
changeset
|
518 if obsolete.commonversion(remoteversions) is None: |
7198cb9b56b9
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diff
changeset
|
519 return |
7198cb9b56b9
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diff
changeset
|
520 pushop.stepsdone.add('obsmarkers') |
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diff
changeset
|
521 if pushop.outobsmarkers: |
7198cb9b56b9
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diff
changeset
|
522 buildobsmarkerspart(bundler, pushop.outobsmarkers) |
7198cb9b56b9
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diff
changeset
|
523 |
22242
ed222ebd61be
push: add bookmarks to the unified bundle2 push
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parents:
22240
diff
changeset
|
524 @b2partsgenerator('bookmarks') |
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22240
diff
changeset
|
525 def _pushb2bookmarks(pushop, bundler): |
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22240
diff
changeset
|
526 """handle phase push through bundle2""" |
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22240
diff
changeset
|
527 if 'bookmarks' in pushop.stepsdone: |
ed222ebd61be
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22240
diff
changeset
|
528 return |
ed222ebd61be
push: add bookmarks to the unified bundle2 push
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parents:
22240
diff
changeset
|
529 b2caps = bundle2.bundle2caps(pushop.remote) |
ed222ebd61be
push: add bookmarks to the unified bundle2 push
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parents:
22240
diff
changeset
|
530 if 'b2x:pushkey' not in b2caps: |
ed222ebd61be
push: add bookmarks to the unified bundle2 push
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parents:
22240
diff
changeset
|
531 return |
ed222ebd61be
push: add bookmarks to the unified bundle2 push
Pierre-Yves David <pierre-yves.david@fb.com>
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22240
diff
changeset
|
532 pushop.stepsdone.add('bookmarks') |
ed222ebd61be
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22240
diff
changeset
|
533 part2book = [] |
ed222ebd61be
push: add bookmarks to the unified bundle2 push
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22240
diff
changeset
|
534 enc = pushkey.encode |
ed222ebd61be
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22240
diff
changeset
|
535 for book, old, new in pushop.outbookmarks: |
ed222ebd61be
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22240
diff
changeset
|
536 part = bundler.newpart('b2x:pushkey') |
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22240
diff
changeset
|
537 part.addparam('namespace', enc('bookmarks')) |
ed222ebd61be
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22240
diff
changeset
|
538 part.addparam('key', enc(book)) |
ed222ebd61be
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22240
diff
changeset
|
539 part.addparam('old', enc(old)) |
ed222ebd61be
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parents:
22240
diff
changeset
|
540 part.addparam('new', enc(new)) |
22650
36952c91e6c3
push: prepare the issue of multiple kinds of messages
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22649
diff
changeset
|
541 action = 'update' |
36952c91e6c3
push: prepare the issue of multiple kinds of messages
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22649
diff
changeset
|
542 if not old: |
36952c91e6c3
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22649
diff
changeset
|
543 action = 'export' |
36952c91e6c3
push: prepare the issue of multiple kinds of messages
Pierre-Yves David <pierre-yves.david@fb.com>
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22649
diff
changeset
|
544 elif not new: |
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545 action = 'delete' |
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546 part2book.append((part.id, book, action)) |
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547 |
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548 |
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549 def handlereply(op): |
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550 ui = pushop.ui |
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551 for partid, book, action in part2book: |
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552 partrep = op.records.getreplies(partid) |
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553 results = partrep['pushkey'] |
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554 assert len(results) <= 1 |
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555 if not results: |
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556 pushop.ui.warn(_('server ignored bookmark %s update\n') % book) |
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557 else: |
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558 ret = int(results[0]['return']) |
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559 if ret: |
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560 ui.status(bookmsgmap[action][0] % book) |
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561 else: |
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562 ui.warn(bookmsgmap[action][1] % book) |
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563 if pushop.bkresult is not None: |
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564 pushop.bkresult = 1 |
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565 return handlereply |
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566 |
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567 |
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568 def _pushbundle2(pushop): |
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569 """push data to the remote using bundle2 |
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570 |
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571 The only currently supported type of data is changegroup but this will |
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572 evolve in the future.""" |
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573 bundler = bundle2.bundle20(pushop.ui, bundle2.bundle2caps(pushop.remote)) |
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574 pushback = (pushop.trmanager |
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575 and pushop.ui.configbool('experimental', 'bundle2.pushback')) |
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576 |
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577 # create reply capability |
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578 capsblob = bundle2.encodecaps(bundle2.getrepocaps(pushop.repo, |
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579 allowpushback=pushback)) |
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580 bundler.newpart('b2x:replycaps', data=capsblob) |
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581 replyhandlers = [] |
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582 for partgenname in b2partsgenorder: |
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583 partgen = b2partsgenmapping[partgenname] |
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584 ret = partgen(pushop, bundler) |
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585 if callable(ret): |
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586 replyhandlers.append(ret) |
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587 # do not push if nothing to push |
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588 if bundler.nbparts <= 1: |
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589 return |
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590 stream = util.chunkbuffer(bundler.getchunks()) |
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591 try: |
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592 reply = pushop.remote.unbundle(stream, ['force'], 'push') |
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593 except error.BundleValueError, exc: |
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594 raise util.Abort('missing support for %s' % exc) |
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595 try: |
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596 trgetter = None |
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597 if pushback: |
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598 trgetter = pushop.trmanager.transaction |
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599 op = bundle2.processbundle(pushop.repo, reply, trgetter) |
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600 except error.BundleValueError, exc: |
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601 raise util.Abort('missing support for %s' % exc) |
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602 for rephand in replyhandlers: |
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603 rephand(op) |
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604 |
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605 def _pushchangeset(pushop): |
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606 """Make the actual push of changeset bundle to remote repo""" |
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607 if 'changesets' in pushop.stepsdone: |
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608 return |
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609 pushop.stepsdone.add('changesets') |
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610 if not _pushcheckoutgoing(pushop): |
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611 return |
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612 pushop.repo.prepushoutgoinghooks(pushop.repo, |
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613 pushop.remote, |
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614 pushop.outgoing) |
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615 outgoing = pushop.outgoing |
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616 unbundle = pushop.remote.capable('unbundle') |
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617 # TODO: get bundlecaps from remote |
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618 bundlecaps = None |
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619 # create a changegroup from local |
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620 if pushop.revs is None and not (outgoing.excluded |
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621 or pushop.repo.changelog.filteredrevs): |
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622 # push everything, |
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623 # use the fast path, no race possible on push |
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624 bundler = changegroup.cg1packer(pushop.repo, bundlecaps) |
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625 cg = changegroup.getsubset(pushop.repo, |
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626 outgoing, |
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627 bundler, |
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628 'push', |
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|
629 fastpath=True) |
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630 else: |
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631 cg = changegroup.getlocalchangegroup(pushop.repo, 'push', outgoing, |
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|
632 bundlecaps) |
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633 |
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634 # apply changegroup to remote |
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635 if unbundle: |
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636 # local repo finds heads on server, finds out what |
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637 # revs it must push. once revs transferred, if server |
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638 # finds it has different heads (someone else won |
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639 # commit/push race), server aborts. |
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640 if pushop.force: |
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641 remoteheads = ['force'] |
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642 else: |
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643 remoteheads = pushop.remoteheads |
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644 # ssh: return remote's addchangegroup() |
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645 # http: return remote's addchangegroup() or 0 for error |
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|
646 pushop.cgresult = pushop.remote.unbundle(cg, remoteheads, |
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changeset
|
647 pushop.repo.url()) |
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changeset
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648 else: |
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|
649 # we return an integer indicating remote head count |
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|
650 # change |
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651 pushop.cgresult = pushop.remote.addchangegroup(cg, 'push', |
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652 pushop.repo.url()) |
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653 |
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654 def _pushsyncphase(pushop): |
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655 """synchronise phase information locally and remotely""" |
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656 cheads = pushop.commonheads |
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657 # even when we don't push, exchanging phase data is useful |
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658 remotephases = pushop.remote.listkeys('phases') |
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659 if (pushop.ui.configbool('ui', '_usedassubrepo', False) |
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660 and remotephases # server supports phases |
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661 and pushop.cgresult is None # nothing was pushed |
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662 and remotephases.get('publishing', False)): |
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663 # When: |
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664 # - this is a subrepo push |
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665 # - and remote support phase |
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666 # - and no changeset was pushed |
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667 # - and remote is publishing |
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668 # We may be in issue 3871 case! |
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669 # We drop the possible phase synchronisation done by |
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670 # courtesy to publish changesets possibly locally draft |
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671 # on the remote. |
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672 remotephases = {'publishing': 'True'} |
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673 if not remotephases: # old server or public only reply from non-publishing |
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674 _localphasemove(pushop, cheads) |
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675 # don't push any phase data as there is nothing to push |
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676 else: |
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677 ana = phases.analyzeremotephases(pushop.repo, cheads, |
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678 remotephases) |
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679 pheads, droots = ana |
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680 ### Apply remote phase on local |
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681 if remotephases.get('publishing', False): |
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682 _localphasemove(pushop, cheads) |
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683 else: # publish = False |
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684 _localphasemove(pushop, pheads) |
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685 _localphasemove(pushop, cheads, phases.draft) |
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686 ### Apply local phase on remote |
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687 |
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688 if pushop.cgresult: |
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689 if 'phases' in pushop.stepsdone: |
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690 # phases already pushed though bundle2 |
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691 return |
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692 outdated = pushop.outdatedphases |
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693 else: |
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694 outdated = pushop.fallbackoutdatedphases |
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695 |
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696 pushop.stepsdone.add('phases') |
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697 |
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698 # filter heads already turned public by the push |
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699 outdated = [c for c in outdated if c.node() not in pheads] |
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700 # fallback to independent pushkey command |
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701 for newremotehead in outdated: |
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702 r = pushop.remote.pushkey('phases', |
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703 newremotehead.hex(), |
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704 str(phases.draft), |
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705 str(phases.public)) |
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706 if not r: |
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707 pushop.ui.warn(_('updating %s to public failed!\n') |
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708 % newremotehead) |
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709 |
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710 def _localphasemove(pushop, nodes, phase=phases.public): |
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711 """move <nodes> to <phase> in the local source repo""" |
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712 if pushop.trmanager: |
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713 phases.advanceboundary(pushop.repo, |
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|
714 pushop.trmanager.transaction(), |
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|
715 phase, |
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|
716 nodes) |
20438
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717 else: |
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718 # repo is not locked, do not change any phases! |
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|
719 # Informs the user that phases should have been moved when |
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720 # applicable. |
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|
721 actualmoves = [n for n in nodes if phase < pushop.repo[n].phase()] |
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|
722 phasestr = phases.phasenames[phase] |
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723 if actualmoves: |
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724 pushop.ui.status(_('cannot lock source repo, skipping ' |
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|
725 'local %s phase update\n') % phasestr) |
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|
726 |
20433
6af248474224
push: feed pushoperation object to _pushobsolete function
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diff
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|
727 def _pushobsolete(pushop): |
20434
e009e59e4566
push: drop now outdated comment
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20433
diff
changeset
|
728 """utility function to push obsolete markers to a remote""" |
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diff
changeset
|
729 if 'obsmarkers' in pushop.stepsdone: |
f1528ef123f4
push: use stepsdone for obsmarkers push
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diff
changeset
|
730 return |
20435
46ede894d5a4
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diff
changeset
|
731 pushop.ui.debug('try to push obsolete markers to remote\n') |
20433
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push: feed pushoperation object to _pushobsolete function
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changeset
|
732 repo = pushop.repo |
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|
733 remote = pushop.remote |
22036
f1528ef123f4
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diff
changeset
|
734 pushop.stepsdone.add('obsmarkers') |
22350
6d113cc7a31a
push: only push obsmarkers relevant to the "pushed subset"
Pierre-Yves David <pierre-yves.david@fb.com>
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22347
diff
changeset
|
735 if pushop.outobsmarkers: |
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diff
changeset
|
736 rslts = [] |
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diff
changeset
|
737 remotedata = obsolete._pushkeyescape(pushop.outobsmarkers) |
20432
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diff
changeset
|
738 for key in sorted(remotedata, reverse=True): |
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changeset
|
739 # reverse sort to ensure we end with dump0 |
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changeset
|
740 data = remotedata[key] |
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changeset
|
741 rslts.append(remote.pushkey('obsolete', key, '', data)) |
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push: move obsolescence marker exchange in the exchange module
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changeset
|
742 if [r for r in rslts if not r]: |
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diff
changeset
|
743 msg = _('failed to push some obsolete markers!\n') |
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changeset
|
744 repo.ui.warn(msg) |
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push: move obsolescence marker exchange in the exchange module
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diff
changeset
|
745 |
20431
bebf8b8479f3
push: feed pushoperation object to _pushbookmark function
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parents:
20352
diff
changeset
|
746 def _pushbookmark(pushop): |
20352
58300f61b139
push: move bookmarks exchange in the exchange module
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
20351
diff
changeset
|
747 """Update bookmark position on remote""" |
22615
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parents:
22543
diff
changeset
|
748 if pushop.cgresult == 0 or 'bookmarks' in pushop.stepsdone: |
22228
a3dc2d385490
pushbookmark: do not attempt to update bookmarks if the push failed (BC)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22227
diff
changeset
|
749 return |
22240
d092f4b68fb6
push: use stepsdone to control bookmark push
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22239
diff
changeset
|
750 pushop.stepsdone.add('bookmarks') |
20431
bebf8b8479f3
push: feed pushoperation object to _pushbookmark function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
20352
diff
changeset
|
751 ui = pushop.ui |
bebf8b8479f3
push: feed pushoperation object to _pushbookmark function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
20352
diff
changeset
|
752 remote = pushop.remote |
22650
36952c91e6c3
push: prepare the issue of multiple kinds of messages
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22649
diff
changeset
|
753 |
22239
0688010ee38f
push: move bookmark discovery with other discovery steps
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22238
diff
changeset
|
754 for b, old, new in pushop.outbookmarks: |
22650
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755 action = 'update' |
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756 if not old: |
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757 action = 'export' |
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758 elif not new: |
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759 action = 'delete' |
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|
760 if remote.pushkey('bookmarks', b, old, new): |
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761 ui.status(bookmsgmap[action][0] % b) |
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762 else: |
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763 ui.warn(bookmsgmap[action][1] % b) |
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764 # discovery can have set the value form invalid entry |
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765 if pushop.bkresult is not None: |
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766 pushop.bkresult = 1 |
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767 |
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768 class pulloperation(object): |
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769 """A object that represent a single pull operation |
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770 |
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771 It purpose is to carry pull related state and very common operation. |
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772 |
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773 A new should be created at the beginning of each pull and discarded |
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774 afterward. |
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775 """ |
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776 |
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777 def __init__(self, repo, remote, heads=None, force=False, bookmarks=()): |
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778 # repo we pull into |
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779 self.repo = repo |
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780 # repo we pull from |
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781 self.remote = remote |
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782 # revision we try to pull (None is "all") |
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783 self.heads = heads |
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784 # bookmark pulled explicitly |
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785 self.explicitbookmarks = bookmarks |
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786 # do we force pull? |
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787 self.force = force |
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788 # transaction manager |
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789 self.trmanager = None |
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790 # set of common changeset between local and remote before pull |
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791 self.common = None |
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792 # set of pulled head |
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793 self.rheads = None |
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794 # list of missing changeset to fetch remotely |
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795 self.fetch = None |
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796 # remote bookmarks data |
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797 self.remotebookmarks = None |
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798 # result of changegroup pulling (used as return code by pull) |
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799 self.cgresult = None |
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800 # list of step already done |
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801 self.stepsdone = set() |
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802 |
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803 @util.propertycache |
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804 def pulledsubset(self): |
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805 """heads of the set of changeset target by the pull""" |
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806 # compute target subset |
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807 if self.heads is None: |
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808 # We pulled every thing possible |
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809 # sync on everything common |
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810 c = set(self.common) |
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811 ret = list(self.common) |
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812 for n in self.rheads: |
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813 if n not in c: |
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814 ret.append(n) |
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815 return ret |
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816 else: |
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817 # We pulled a specific subset |
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818 # sync on this subset |
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819 return self.heads |
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820 |
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821 def gettransaction(self): |
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822 # deprecated; talk to trmanager directly |
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823 return self.trmanager.transaction() |
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824 |
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825 class transactionmanager(object): |
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826 """An object to manage the life cycle of a transaction |
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827 |
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828 It creates the transaction on demand and calls the appropriate hooks when |
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829 closing the transaction.""" |
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830 def __init__(self, repo, source, url): |
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831 self.repo = repo |
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832 self.source = source |
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833 self.url = url |
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834 self._tr = None |
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835 |
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836 def transaction(self): |
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837 """Return an open transaction object, constructing if necessary""" |
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838 if not self._tr: |
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839 trname = '%s\n%s' % (self.source, util.hidepassword(self.url)) |
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840 self._tr = self.repo.transaction(trname) |
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841 self._tr.hookargs['source'] = self.source |
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842 self._tr.hookargs['url'] = self.url |
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843 return self._tr |
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844 |
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845 def close(self): |
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846 """close transaction if created""" |
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847 if self._tr is not None: |
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848 repo = self.repo |
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849 p = lambda: self._tr.writepending() and repo.root or "" |
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850 repo.hook('b2x-pretransactionclose', throw=True, pending=p, |
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851 **self._tr.hookargs) |
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852 hookargs = dict(self._tr.hookargs) |
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853 def runhooks(): |
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854 repo.hook('b2x-transactionclose', **hookargs) |
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855 self._tr.addpostclose('b2x-hook-transactionclose', |
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856 lambda tr: repo._afterlock(runhooks)) |
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857 self._tr.close() |
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858 |
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859 def release(self): |
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860 """release transaction if created""" |
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861 if self._tr is not None: |
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862 self._tr.release() |
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863 |
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864 def pull(repo, remote, heads=None, force=False, bookmarks=()): |
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|
865 pullop = pulloperation(repo, remote, heads, force, bookmarks=bookmarks) |
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866 if pullop.remote.local(): |
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867 missing = set(pullop.remote.requirements) - pullop.repo.supported |
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868 if missing: |
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869 msg = _("required features are not" |
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870 " supported in the destination:" |
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871 " %s") % (', '.join(sorted(missing))) |
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872 raise util.Abort(msg) |
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873 |
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874 pullop.remotebookmarks = remote.listkeys('bookmarks') |
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875 lock = pullop.repo.lock() |
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876 try: |
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877 pullop.trmanager = transactionmanager(repo, 'pull', remote.url()) |
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878 _pulldiscovery(pullop) |
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879 if (pullop.repo.ui.configbool('experimental', 'bundle2-exp', False) |
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880 and pullop.remote.capable('bundle2-exp')): |
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881 _pullbundle2(pullop) |
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882 _pullchangeset(pullop) |
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883 _pullphase(pullop) |
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884 _pullbookmarks(pullop) |
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885 _pullobsolete(pullop) |
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886 pullop.trmanager.close() |
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887 finally: |
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888 pullop.trmanager.release() |
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889 lock.release() |
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890 |
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891 return pullop |
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892 |
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893 # list of steps to perform discovery before pull |
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894 pulldiscoveryorder = [] |
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895 |
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896 # Mapping between step name and function |
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897 # |
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898 # This exists to help extensions wrap steps if necessary |
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899 pulldiscoverymapping = {} |
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900 |
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901 def pulldiscovery(stepname): |
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902 """decorator for function performing discovery before pull |
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903 |
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904 The function is added to the step -> function mapping and appended to the |
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905 list of steps. Beware that decorated function will be added in order (this |
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906 may matter). |
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907 |
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908 You can only use this decorator for a new step, if you want to wrap a step |
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909 from an extension, change the pulldiscovery dictionary directly.""" |
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910 def dec(func): |
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911 assert stepname not in pulldiscoverymapping |
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912 pulldiscoverymapping[stepname] = func |
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913 pulldiscoveryorder.append(stepname) |
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914 return func |
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915 return dec |
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916 |
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917 def _pulldiscovery(pullop): |
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918 """Run all discovery steps""" |
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919 for stepname in pulldiscoveryorder: |
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920 step = pulldiscoverymapping[stepname] |
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921 step(pullop) |
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922 |
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923 @pulldiscovery('changegroup') |
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924 def _pulldiscoverychangegroup(pullop): |
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925 """discovery phase for the pull |
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926 |
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927 Current handle changeset discovery only, will change handle all discovery |
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928 at some point.""" |
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929 tmp = discovery.findcommonincoming(pullop.repo, |
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930 pullop.remote, |
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931 heads=pullop.heads, |
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932 force=pullop.force) |
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933 common, fetch, rheads = tmp |
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934 nm = pullop.repo.unfiltered().changelog.nodemap |
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935 if fetch and rheads: |
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936 # If a remote heads in filtered locally, lets drop it from the unknown |
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937 # remote heads and put in back in common. |
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938 # |
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939 # This is a hackish solution to catch most of "common but locally |
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940 # hidden situation". We do not performs discovery on unfiltered |
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941 # repository because it end up doing a pathological amount of round |
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942 # trip for w huge amount of changeset we do not care about. |
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943 # |
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944 # If a set of such "common but filtered" changeset exist on the server |
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945 # but are not including a remote heads, we'll not be able to detect it, |
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946 scommon = set(common) |
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947 filteredrheads = [] |
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948 for n in rheads: |
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949 if n in nm: |
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950 if n not in scommon: |
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951 common.append(n) |
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952 else: |
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953 filteredrheads.append(n) |
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954 if not filteredrheads: |
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955 fetch = [] |
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956 rheads = filteredrheads |
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957 pullop.common = common |
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958 pullop.fetch = fetch |
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959 pullop.rheads = rheads |
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960 |
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961 def _pullbundle2(pullop): |
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962 """pull data using bundle2 |
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963 |
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964 For now, the only supported data are changegroup.""" |
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965 remotecaps = bundle2.bundle2caps(pullop.remote) |
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966 kwargs = {'bundlecaps': caps20to10(pullop.repo)} |
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967 # pulling changegroup |
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968 pullop.stepsdone.add('changegroup') |
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969 |
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970 kwargs['common'] = pullop.common |
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971 kwargs['heads'] = pullop.heads or pullop.rheads |
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972 kwargs['cg'] = pullop.fetch |
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973 if 'b2x:listkeys' in remotecaps: |
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974 kwargs['listkeys'] = ['phase', 'bookmarks'] |
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975 if not pullop.fetch: |
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976 pullop.repo.ui.status(_("no changes found\n")) |
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|
977 pullop.cgresult = 0 |
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978 else: |
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979 if pullop.heads is None and list(pullop.common) == [nullid]: |
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|
980 pullop.repo.ui.status(_("requesting all changes\n")) |
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|
981 if obsolete.isenabled(pullop.repo, obsolete.exchangeopt): |
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|
982 remoteversions = bundle2.obsmarkersversion(remotecaps) |
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|
983 if obsolete.commonversion(remoteversions) is not None: |
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changeset
|
984 kwargs['obsmarkers'] = True |
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|
985 pullop.stepsdone.add('obsmarkers') |
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|
986 _pullbundle2extraprepare(pullop, kwargs) |
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987 if kwargs.keys() == ['format']: |
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|
988 return # nothing to pull |
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989 bundle = pullop.remote.getbundle('pull', **kwargs) |
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990 try: |
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991 op = bundle2.processbundle(pullop.repo, bundle, pullop.gettransaction) |
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|
992 except error.BundleValueError, exc: |
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|
993 raise util.Abort('missing support for %s' % exc) |
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|
994 |
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|
995 if pullop.fetch: |
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|
996 results = [cg['return'] for cg in op.records['changegroup']] |
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|
997 pullop.cgresult = changegroup.combineresults(results) |
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|
998 |
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|
999 # processing phases change |
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|
1000 for namespace, value in op.records['listkeys']: |
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1001 if namespace == 'phases': |
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1002 _pullapplyphases(pullop, value) |
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1003 |
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|
1004 # processing bookmark update |
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|
1005 for namespace, value in op.records['listkeys']: |
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1006 if namespace == 'bookmarks': |
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1007 pullop.remotebookmarks = value |
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1008 _pullbookmarks(pullop) |
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1009 |
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1010 def _pullbundle2extraprepare(pullop, kwargs): |
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1011 """hook function so that extensions can extend the getbundle call""" |
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1012 pass |
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1013 |
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|
1014 def _pullchangeset(pullop): |
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|
1015 """pull changeset from unbundle into the local repo""" |
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|
1016 # We delay the open of the transaction as late as possible so we |
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|
1017 # don't open transaction for nothing or you break future useful |
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|
1018 # rollback call |
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|
1019 if 'changegroup' in pullop.stepsdone: |
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|
1020 return |
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|
1021 pullop.stepsdone.add('changegroup') |
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|
1022 if not pullop.fetch: |
23217
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changeset
|
1023 pullop.repo.ui.status(_("no changes found\n")) |
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|
1024 pullop.cgresult = 0 |
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|
1025 return |
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|
1026 pullop.gettransaction() |
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|
1027 if pullop.heads is None and list(pullop.common) == [nullid]: |
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|
1028 pullop.repo.ui.status(_("requesting all changes\n")) |
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|
1029 elif pullop.heads is None and pullop.remote.capable('changegroupsubset'): |
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|
1030 # issue1320, avoid a race if remote changed after discovery |
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1031 pullop.heads = pullop.rheads |
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|
1032 |
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|
1033 if pullop.remote.capable('getbundle'): |
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changeset
|
1034 # TODO: get bundlecaps from remote |
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|
1035 cg = pullop.remote.getbundle('pull', common=pullop.common, |
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|
1036 heads=pullop.heads or pullop.rheads) |
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1037 elif pullop.heads is None: |
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|
1038 cg = pullop.remote.changegroup(pullop.fetch, 'pull') |
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changeset
|
1039 elif not pullop.remote.capable('changegroupsubset'): |
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changeset
|
1040 raise util.Abort(_("partial pull cannot be done because " |
21554
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|
1041 "other repository doesn't support " |
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changeset
|
1042 "changegroupsubset.")) |
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|
1043 else: |
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changeset
|
1044 cg = pullop.remote.changegroupsubset(pullop.fetch, pullop.heads, 'pull') |
20933
d3775db748a0
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Pierre-Yves David <pierre-yves.david@fb.com>
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20928
diff
changeset
|
1045 pullop.cgresult = changegroup.addchangegroup(pullop.repo, cg, 'pull', |
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changeset
|
1046 pullop.remote.url()) |
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changeset
|
1047 |
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|
1048 def _pullphase(pullop): |
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|
1049 # Get remote phases data from remote |
22937
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|
1050 if 'phases' in pullop.stepsdone: |
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changeset
|
1051 return |
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changeset
|
1052 remotephases = pullop.remote.listkeys('phases') |
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changeset
|
1053 _pullapplyphases(pullop, remotephases) |
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|
1054 |
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changeset
|
1055 def _pullapplyphases(pullop, remotephases): |
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changeset
|
1056 """apply phase movement from observed remote state""" |
22937
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changeset
|
1057 if 'phases' in pullop.stepsdone: |
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changeset
|
1058 return |
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changeset
|
1059 pullop.stepsdone.add('phases') |
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changeset
|
1060 publishing = bool(remotephases.get('publishing', False)) |
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changeset
|
1061 if remotephases and not publishing: |
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changeset
|
1062 # remote is new and unpublishing |
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|
1063 pheads, _dr = phases.analyzeremotephases(pullop.repo, |
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changeset
|
1064 pullop.pulledsubset, |
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changeset
|
1065 remotephases) |
22068
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changeset
|
1066 dheads = pullop.pulledsubset |
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1067 else: |
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changeset
|
1068 # Remote is old or publishing all common changesets |
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|
1069 # should be seen as public |
22068
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|
1070 pheads = pullop.pulledsubset |
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|
1071 dheads = [] |
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changeset
|
1072 unfi = pullop.repo.unfiltered() |
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changeset
|
1073 phase = unfi._phasecache.phase |
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changeset
|
1074 rev = unfi.changelog.nodemap.get |
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changeset
|
1075 public = phases.public |
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changeset
|
1076 draft = phases.draft |
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changeset
|
1077 |
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changeset
|
1078 # exclude changesets already public locally and update the others |
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changeset
|
1079 pheads = [pn for pn in pheads if phase(unfi, rev(pn)) > public] |
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1080 if pheads: |
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1081 tr = pullop.gettransaction() |
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1082 phases.advanceboundary(pullop.repo, tr, public, pheads) |
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1083 |
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1084 # exclude changesets already draft locally and update the others |
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1085 dheads = [pn for pn in dheads if phase(unfi, rev(pn)) > draft] |
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1086 if dheads: |
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1087 tr = pullop.gettransaction() |
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1088 phases.advanceboundary(pullop.repo, tr, draft, dheads) |
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1089 |
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1090 def _pullbookmarks(pullop): |
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1091 """process the remote bookmark information to update the local one""" |
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1092 if 'bookmarks' in pullop.stepsdone: |
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1093 return |
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1094 pullop.stepsdone.add('bookmarks') |
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1095 repo = pullop.repo |
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1096 remotebookmarks = pullop.remotebookmarks |
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1097 bookmod.updatefromremote(repo.ui, repo, remotebookmarks, |
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1098 pullop.remote.url(), |
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1099 pullop.gettransaction, |
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1100 explicit=pullop.explicitbookmarks) |
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1101 |
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1102 def _pullobsolete(pullop): |
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1103 """utility function to pull obsolete markers from a remote |
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1104 |
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1105 The `gettransaction` is function that return the pull transaction, creating |
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1106 one if necessary. We return the transaction to inform the calling code that |
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1107 a new transaction have been created (when applicable). |
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1108 |
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1109 Exists mostly to allow overriding for experimentation purpose""" |
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1110 if 'obsmarkers' in pullop.stepsdone: |
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1111 return |
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1112 pullop.stepsdone.add('obsmarkers') |
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1113 tr = None |
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1114 if obsolete.isenabled(pullop.repo, obsolete.exchangeopt): |
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1115 pullop.repo.ui.debug('fetching remote obsolete markers\n') |
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1116 remoteobs = pullop.remote.listkeys('obsolete') |
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1117 if 'dump0' in remoteobs: |
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1118 tr = pullop.gettransaction() |
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1119 for key in sorted(remoteobs, reverse=True): |
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1120 if key.startswith('dump'): |
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1121 data = base85.b85decode(remoteobs[key]) |
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1122 pullop.repo.obsstore.mergemarkers(tr, data) |
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1123 pullop.repo.invalidatevolatilesets() |
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1124 return tr |
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1125 |
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1126 def caps20to10(repo): |
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1127 """return a set with appropriate options to use bundle20 during getbundle""" |
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1128 caps = set(['HG2Y']) |
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1129 capsblob = bundle2.encodecaps(bundle2.getrepocaps(repo)) |
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1130 caps.add('bundle2=' + urllib.quote(capsblob)) |
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1131 return caps |
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1132 |
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1133 # List of names of steps to perform for a bundle2 for getbundle, order matters. |
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1134 getbundle2partsorder = [] |
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1135 |
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1136 # Mapping between step name and function |
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1137 # |
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1138 # This exists to help extensions wrap steps if necessary |
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1139 getbundle2partsmapping = {} |
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1140 |
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1141 def getbundle2partsgenerator(stepname): |
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1142 """decorator for function generating bundle2 part for getbundle |
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1143 |
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1144 The function is added to the step -> function mapping and appended to the |
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1145 list of steps. Beware that decorated functions will be added in order |
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1146 (this may matter). |
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1147 |
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1148 You can only use this decorator for new steps, if you want to wrap a step |
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1149 from an extension, attack the getbundle2partsmapping dictionary directly.""" |
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1150 def dec(func): |
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1151 assert stepname not in getbundle2partsmapping |
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1152 getbundle2partsmapping[stepname] = func |
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1153 getbundle2partsorder.append(stepname) |
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1154 return func |
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1155 return dec |
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1156 |
21157
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1157 def getbundle(repo, source, heads=None, common=None, bundlecaps=None, |
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1158 **kwargs): |
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1159 """return a full bundle (with potentially multiple kind of parts) |
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1160 |
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1161 Could be a bundle HG10 or a bundle HG2Y depending on bundlecaps |
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1162 passed. For now, the bundle can contain only changegroup, but this will |
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1163 changes when more part type will be available for bundle2. |
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1164 |
22390
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1165 This is different from changegroup.getchangegroup that only returns an HG10 |
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1166 changegroup bundle. They may eventually get reunited in the future when we |
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1167 have a clearer idea of the API we what to query different data. |
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1168 |
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1169 The implementation is at a very early stage and will get massive rework |
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1170 when the API of bundle is refined. |
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1171 """ |
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1172 # bundle10 case |
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1173 if bundlecaps is None or 'HG2Y' not in bundlecaps: |
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1174 if bundlecaps and not kwargs.get('cg', True): |
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1175 raise ValueError(_('request for bundle10 must include changegroup')) |
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1176 |
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1177 if kwargs: |
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1178 raise ValueError(_('unsupported getbundle arguments: %s') |
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1179 % ', '.join(sorted(kwargs.keys()))) |
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1180 return changegroup.getchangegroup(repo, source, heads=heads, |
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1181 common=common, bundlecaps=bundlecaps) |
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1182 |
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1183 # bundle20 case |
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1184 b2caps = {} |
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1185 for bcaps in bundlecaps: |
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1186 if bcaps.startswith('bundle2='): |
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1187 blob = urllib.unquote(bcaps[len('bundle2='):]) |
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1188 b2caps.update(bundle2.decodecaps(blob)) |
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1189 bundler = bundle2.bundle20(repo.ui, b2caps) |
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1190 |
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1191 kwargs['heads'] = heads |
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1192 kwargs['common'] = common |
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1193 |
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1194 for name in getbundle2partsorder: |
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1195 func = getbundle2partsmapping[name] |
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1196 func(bundler, repo, source, bundlecaps=bundlecaps, b2caps=b2caps, |
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1197 **kwargs) |
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1198 |
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1199 return util.chunkbuffer(bundler.getchunks()) |
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1200 |
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1201 @getbundle2partsgenerator('changegroup') |
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1202 def _getbundlechangegrouppart(bundler, repo, source, bundlecaps=None, |
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1203 b2caps=None, heads=None, common=None, **kwargs): |
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1204 """add a changegroup part to the requested bundle""" |
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1205 cg = None |
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1206 if kwargs.get('cg', True): |
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1207 # build changegroup bundle here. |
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1208 version = None |
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1209 cgversions = b2caps.get('b2x:changegroup') |
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1210 if not cgversions: # 3.1 and 3.2 ship with an empty value |
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1211 cg = changegroup.getchangegroupraw(repo, source, heads=heads, |
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1212 common=common, |
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1213 bundlecaps=bundlecaps) |
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1214 else: |
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1215 cgversions = [v for v in cgversions if v in changegroup.packermap] |
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1216 if not cgversions: |
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1217 raise ValueError(_('no common changegroup version')) |
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1218 version = max(cgversions) |
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1219 cg = changegroup.getchangegroupraw(repo, source, heads=heads, |
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1220 common=common, |
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1221 bundlecaps=bundlecaps, |
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1222 version=version) |
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1223 |
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1224 if cg: |
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1225 part = bundler.newpart('b2x:changegroup', data=cg) |
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1226 if version is not None: |
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1227 part.addparam('version', version) |
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1228 |
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1229 @getbundle2partsgenerator('listkeys') |
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1230 def _getbundlelistkeysparts(bundler, repo, source, bundlecaps=None, |
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1231 b2caps=None, **kwargs): |
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1232 """add parts containing listkeys namespaces to the requested bundle""" |
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1233 listkeys = kwargs.get('listkeys', ()) |
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1234 for namespace in listkeys: |
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1235 part = bundler.newpart('b2x:listkeys') |
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1236 part.addparam('namespace', namespace) |
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1237 keys = repo.listkeys(namespace).items() |
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1238 part.data = pushkey.encodekeys(keys) |
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1239 |
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1240 @getbundle2partsgenerator('obsmarkers') |
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1241 def _getbundleobsmarkerpart(bundler, repo, source, bundlecaps=None, |
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1242 b2caps=None, heads=None, **kwargs): |
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1243 """add an obsolescence markers part to the requested bundle""" |
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1244 if kwargs.get('obsmarkers', False): |
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1245 if heads is None: |
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1246 heads = repo.heads() |
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1247 subset = [c.node() for c in repo.set('::%ln', heads)] |
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1248 markers = repo.obsstore.relevantmarkers(subset) |
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1249 buildobsmarkerspart(bundler, markers) |
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1250 |
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1251 def check_heads(repo, their_heads, context): |
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1252 """check if the heads of a repo have been modified |
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1253 |
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1254 Used by peer for unbundling. |
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1255 """ |
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1256 heads = repo.heads() |
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1257 heads_hash = util.sha1(''.join(sorted(heads))).digest() |
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1258 if not (their_heads == ['force'] or their_heads == heads or |
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1259 their_heads == ['hashed', heads_hash]): |
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1260 # someone else committed/pushed/unbundled while we |
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1261 # were transferring data |
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1262 raise error.PushRaced('repository changed while %s - ' |
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1263 'please try again' % context) |
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1264 |
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1265 def unbundle(repo, cg, heads, source, url): |
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1266 """Apply a bundle to a repo. |
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1267 |
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1268 this function makes sure the repo is locked during the application and have |
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|
1269 mechanism to check that no push race occurred between the creation of the |
20968
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1270 bundle and its application. |
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1271 |
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1272 If the push was raced as PushRaced exception is raised.""" |
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1273 r = 0 |
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1274 # need a transaction when processing a bundle2 stream |
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1275 tr = None |
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1276 lock = repo.lock() |
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1277 try: |
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1278 check_heads(repo, heads, 'uploading changes') |
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1279 # push can proceed |
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1280 if util.safehasattr(cg, 'params'): |
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1281 try: |
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1282 tr = repo.transaction('unbundle') |
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1283 tr.hookargs['source'] = source |
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1284 tr.hookargs['url'] = url |
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1285 tr.hookargs['bundle2-exp'] = '1' |
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1286 r = bundle2.processbundle(repo, cg, lambda: tr).reply |
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1287 p = lambda: tr.writepending() and repo.root or "" |
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1288 repo.hook('b2x-pretransactionclose', throw=True, pending=p, |
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1289 **tr.hookargs) |
23047
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|
1290 hookargs = dict(tr.hookargs) |
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1291 def runhooks(): |
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1292 repo.hook('b2x-transactionclose', **hookargs) |
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1293 tr.addpostclose('b2x-hook-transactionclose', |
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1294 lambda tr: repo._afterlock(runhooks)) |
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1295 tr.close() |
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1296 except Exception, exc: |
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1297 exc.duringunbundle2 = True |
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1298 raise |
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1299 else: |
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1300 r = changegroup.addchangegroup(repo, cg, source, url) |
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1301 finally: |
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1302 if tr is not None: |
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1303 tr.release() |
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1304 lock.release() |
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1305 return r |