annotate hgext/strip.py @ 24431:a0004402776b

cmdutil.diffordiffstat: add support for diffs relative to a subdirectory It's possible that some of the match patterns are outside the relative root. We warn in that case. In upcoming patches we'll add tests for this.
author Siddharth Agarwal <sid0@fb.com>
date Tue, 17 Mar 2015 15:06:40 -0700
parents 135b23868f45
children 1ff35d76421c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 """strip changesets and their descendants from history
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2
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3 This extension allows you to strip changesets and all their descendants from the
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4 repository. See the command help for details.
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5 """
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6 from mercurial.i18n import _
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7 from mercurial.node import nullid
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8 from mercurial.lock import release
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9 from mercurial import cmdutil, hg, scmutil, util
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10 from mercurial import repair, bookmarks
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11
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12 cmdtable = {}
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13 command = cmdutil.command(cmdtable)
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14 testedwith = 'internal'
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15
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16 def checksubstate(repo, baserev=None):
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17 '''return list of subrepos at a different revision than substate.
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18 Abort if any subrepos have uncommitted changes.'''
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19 inclsubs = []
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20 wctx = repo[None]
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21 if baserev:
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22 bctx = repo[baserev]
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23 else:
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24 bctx = wctx.parents()[0]
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25 for s in sorted(wctx.substate):
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26 if wctx.sub(s).dirty(True):
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27 raise util.Abort(
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28 _("uncommitted changes in subrepository %s") % s)
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29 elif s not in bctx.substate or bctx.sub(s).dirty():
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30 inclsubs.append(s)
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31 return inclsubs
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32
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33 def checklocalchanges(repo, force=False, excsuffix=''):
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34 cmdutil.checkunfinished(repo)
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35 s = repo.status()
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36 if not force:
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37 if s.modified or s.added or s.removed or s.deleted:
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38 _("local changes found") # i18n tool detection
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39 raise util.Abort(_("local changes found" + excsuffix))
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40 if checksubstate(repo):
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41 _("local changed subrepos found") # i18n tool detection
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42 raise util.Abort(_("local changed subrepos found" + excsuffix))
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43 return s
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44
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45 def strip(ui, repo, revs, update=True, backup=True, force=None, bookmark=None):
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46 wlock = lock = None
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47 try:
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48 wlock = repo.wlock()
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49 lock = repo.lock()
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50
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51 if update:
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52 checklocalchanges(repo, force=force)
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53 urev, p2 = repo.changelog.parents(revs[0])
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54 if (util.safehasattr(repo, 'mq') and
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55 p2 != nullid
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56 and p2 in [x.node for x in repo.mq.applied]):
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57 urev = p2
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58 hg.clean(repo, urev)
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59 repo.dirstate.write()
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60
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61 repair.strip(ui, repo, revs, backup)
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62
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63 marks = repo._bookmarks
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64 if bookmark:
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65 if bookmark == repo._bookmarkcurrent:
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66 bookmarks.unsetcurrent(repo)
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67 del marks[bookmark]
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68 marks.write()
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69 ui.write(_("bookmark '%s' deleted\n") % bookmark)
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70 finally:
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71 release(lock, wlock)
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72
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73
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74 @command("strip",
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75 [
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76 ('r', 'rev', [], _('strip specified revision (optional, '
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77 'can specify revisions without this '
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78 'option)'), _('REV')),
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79 ('f', 'force', None, _('force removal of changesets, discard '
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80 'uncommitted changes (no backup)')),
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81 ('', 'no-backup', None, _('no backups')),
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82 ('', 'nobackup', None, _('no backups (DEPRECATED)')),
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83 ('n', '', None, _('ignored (DEPRECATED)')),
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84 ('k', 'keep', None, _("do not modify working directory during "
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85 "strip")),
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86 ('B', 'bookmark', '', _("remove revs only reachable from given"
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87 " bookmark"))],
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88 _('hg strip [-k] [-f] [-n] [-B bookmark] [-r] REV...'))
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89 def stripcmd(ui, repo, *revs, **opts):
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90 """strip changesets and all their descendants from the repository
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91
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92 The strip command removes the specified changesets and all their
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93 descendants. If the working directory has uncommitted changes, the
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94 operation is aborted unless the --force flag is supplied, in which
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95 case changes will be discarded.
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96
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97 If a parent of the working directory is stripped, then the working
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98 directory will automatically be updated to the most recent
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99 available ancestor of the stripped parent after the operation
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100 completes.
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101
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102 Any stripped changesets are stored in ``.hg/strip-backup`` as a
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103 bundle (see :hg:`help bundle` and :hg:`help unbundle`). They can
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104 be restored by running :hg:`unbundle .hg/strip-backup/BUNDLE`,
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105 where BUNDLE is the bundle file created by the strip. Note that
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106 the local revision numbers will in general be different after the
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107 restore.
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108
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109 Use the --no-backup option to discard the backup bundle once the
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110 operation completes.
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111
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112 Strip is not a history-rewriting operation and can be used on
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113 changesets in the public phase. But if the stripped changesets have
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diff changeset
114 been pushed to a remote repository you will likely pull them again.
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 19825
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115
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116 Return 0 on success.
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 19825
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117 """
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Jordi Gutiérrez Hermoso <jordigh@octave.org>
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118 backup = True
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119 if opts.get('no_backup') or opts.get('nobackup'):
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120 backup = False
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121
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 19825
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122 cl = repo.changelog
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 19825
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123 revs = list(revs) + opts.get('rev')
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124 revs = set(scmutil.revrange(repo, revs))
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 19825
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125
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126 wlock = repo.wlock()
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127 try:
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128 if opts.get('bookmark'):
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129 mark = opts.get('bookmark')
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130 marks = repo._bookmarks
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131 if mark not in marks:
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132 raise util.Abort(_("bookmark '%s' not found") % mark)
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133
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134 # If the requested bookmark is not the only one pointing to a
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135 # a revision we have to only delete the bookmark and not strip
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136 # anything. revsets cannot detect that case.
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137 uniquebm = True
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138 for m, n in marks.iteritems():
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139 if m != mark and n == repo[mark].node():
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140 uniquebm = False
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141 break
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142 if uniquebm:
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143 rsrevs = repo.revs("ancestors(bookmark(%s)) - "
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144 "ancestors(head() and not bookmark(%s)) - "
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145 "ancestors(bookmark() and not bookmark(%s))",
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146 mark, mark, mark)
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147 revs.update(set(rsrevs))
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148 if not revs:
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149 del marks[mark]
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150 marks.write()
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151 ui.write(_("bookmark '%s' deleted\n") % mark)
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152
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153 if not revs:
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154 raise util.Abort(_('empty revision set'))
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155
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156 descendants = set(cl.descendants(revs))
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157 strippedrevs = revs.union(descendants)
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158 roots = revs.difference(descendants)
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159
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160 update = False
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161 # if one of the wdir parent is stripped we'll need
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162 # to update away to an earlier revision
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
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163 for p in repo.dirstate.parents():
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parents: 20009
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164 if p != nullid and cl.rev(p) in strippedrevs:
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parents: 20009
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165 update = True
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parents: 20009
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166 break
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parents: 20009
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167
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168 rootnodes = set(cl.node(r) for r in roots)
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169
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170 q = getattr(repo, 'mq', None)
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171 if q is not None and q.applied:
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172 # refresh queue state if we're about to strip
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173 # applied patches
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174 if cl.rev(repo.lookup('qtip')) in strippedrevs:
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parents: 20009
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175 q.applieddirty = True
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176 start = 0
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177 end = len(q.applied)
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178 for i, statusentry in enumerate(q.applied):
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179 if statusentry.node in rootnodes:
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180 # if one of the stripped roots is an applied
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181 # patch, only part of the queue is stripped
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182 start = i
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183 break
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parents: 20009
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184 del q.applied[start:end]
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185 q.savedirty()
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186
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parents: 20009
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187 revs = sorted(rootnodes)
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parents: 20009
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188 if update and opts.get('keep'):
20102
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Siddharth Agarwal <sid0@fb.com>
parents: 20101
diff changeset
189 urev, p2 = repo.changelog.parents(revs[0])
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parents: 20101
diff changeset
190 if (util.safehasattr(repo, 'mq') and p2 != nullid
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Siddharth Agarwal <sid0@fb.com>
parents: 20101
diff changeset
191 and p2 in [x.node for x in repo.mq.applied]):
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parents: 20101
diff changeset
192 urev = p2
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parents: 20101
diff changeset
193 uctx = repo[urev]
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194
20102
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parents: 20101
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195 # only reset the dirstate for files that would actually change
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parents: 20101
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196 # between the working context and uctx
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parents: 20101
diff changeset
197 descendantrevs = repo.revs("%s::." % uctx.rev())
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Siddharth Agarwal <sid0@fb.com>
parents: 20101
diff changeset
198 changedfiles = []
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diff changeset
199 for rev in descendantrevs:
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parents: 20101
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200 # blindly reset the files, regardless of what actually changed
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Siddharth Agarwal <sid0@fb.com>
parents: 20101
diff changeset
201 changedfiles.extend(repo[rev].files())
20096
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diff changeset
202
20102
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Siddharth Agarwal <sid0@fb.com>
parents: 20101
diff changeset
203 # reset files that only changed in the dirstate too
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Siddharth Agarwal <sid0@fb.com>
parents: 20101
diff changeset
204 dirstate = repo.dirstate
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Siddharth Agarwal <sid0@fb.com>
parents: 20101
diff changeset
205 dirchanges = [f for f in dirstate if dirstate[f] != 'n']
04eaa8eec6a0 strip.stripcmd: remove redundant wlock acquire/release
Siddharth Agarwal <sid0@fb.com>
parents: 20101
diff changeset
206 changedfiles.extend(dirchanges)
20096
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parents: 20009
diff changeset
207
20102
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Siddharth Agarwal <sid0@fb.com>
parents: 20101
diff changeset
208 repo.dirstate.rebuild(urev, uctx.manifest(), changedfiles)
04eaa8eec6a0 strip.stripcmd: remove redundant wlock acquire/release
Siddharth Agarwal <sid0@fb.com>
parents: 20101
diff changeset
209 repo.dirstate.write()
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Siddharth Agarwal <sid0@fb.com>
parents: 20101
diff changeset
210 update = False
20096
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211
19826
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 19825
diff changeset
212
20096
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
213 strip(ui, repo, revs, backup=backup, update=update,
21847
f6f122f4813b strip: remove bookmarks after strip succeed (issue4295)
David Soria Parra <davidsp@fb.com>
parents: 20102
diff changeset
214 force=opts.get('force'), bookmark=opts.get('bookmark'))
20096
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parents: 20009
diff changeset
215 finally:
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parents: 20009
diff changeset
216 wlock.release()
19826
4b1cbcfdabf7 mq: extract strip function as its standalone extension (issue3824)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 19825
diff changeset
217
4b1cbcfdabf7 mq: extract strip function as its standalone extension (issue3824)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 19825
diff changeset
218 return 0