annotate hgext/strip.py @ 21570:d0ec3800101a stable

tests: fix cut and paste error on encoding alignment test
author Matt Mackall <mpm@selenic.com>
date Tue, 27 May 2014 15:13:13 -0700
parents 04eaa8eec6a0
children f6f122f4813b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 """strip changesets and their descendents 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 m, a, r, d = repo.status()[:4]
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36 if not force:
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37 if (m or a or r or d):
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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 m, a, r, d
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44
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45 def strip(ui, repo, revs, update=True, backup="all", force=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 finally:
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63 release(lock, wlock)
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64
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65
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66 @command("strip",
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67 [
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68 ('r', 'rev', [], _('strip specified revision (optional, '
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69 'can specify revisions without this '
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70 'option)'), _('REV')),
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71 ('f', 'force', None, _('force removal of changesets, discard '
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72 'uncommitted changes (no backup)')),
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73 ('b', 'backup', None, _('bundle only changesets with local revision'
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74 ' number greater than REV which are not'
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75 ' descendants of REV (DEPRECATED)')),
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76 ('', 'no-backup', None, _('no backups')),
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77 ('', 'nobackup', None, _('no backups (DEPRECATED)')),
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78 ('n', '', None, _('ignored (DEPRECATED)')),
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79 ('k', 'keep', None, _("do not modify working copy during strip")),
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80 ('B', 'bookmark', '', _("remove revs only reachable from given"
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81 " bookmark"))],
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82 _('hg strip [-k] [-f] [-n] [-B bookmark] [-r] REV...'))
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83 def stripcmd(ui, repo, *revs, **opts):
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84 """strip changesets and all their descendants from the repository
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85
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86 The strip command removes the specified changesets and all their
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87 descendants. If the working directory has uncommitted changes, the
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88 operation is aborted unless the --force flag is supplied, in which
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89 case changes will be discarded.
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90
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91 If a parent of the working directory is stripped, then the working
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92 directory will automatically be updated to the most recent
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93 available ancestor of the stripped parent after the operation
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94 completes.
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95
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96 Any stripped changesets are stored in ``.hg/strip-backup`` as a
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97 bundle (see :hg:`help bundle` and :hg:`help unbundle`). They can
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98 be restored by running :hg:`unbundle .hg/strip-backup/BUNDLE`,
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99 where BUNDLE is the bundle file created by the strip. Note that
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100 the local revision numbers will in general be different after the
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101 restore.
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102
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103 Use the --no-backup option to discard the backup bundle once the
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104 operation completes.
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105
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106 Strip is not a history-rewriting operation and can be used on
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107 changesets in the public phase. But if the stripped changesets have
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108 been pushed to a remote repository you will likely pull them again.
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109
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110 Return 0 on success.
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111 """
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112 backup = 'all'
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113 if opts.get('backup'):
4b1cbcfdabf7 mq: extract strip function as its standalone extension (issue3824)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 19825
diff changeset
114 backup = 'strip'
4b1cbcfdabf7 mq: extract strip function as its standalone extension (issue3824)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 19825
diff changeset
115 elif opts.get('no_backup') or opts.get('nobackup'):
4b1cbcfdabf7 mq: extract strip function as its standalone extension (issue3824)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 19825
diff changeset
116 backup = 'none'
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 19825
diff changeset
117
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 19825
diff changeset
118 cl = repo.changelog
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 19825
diff changeset
119 revs = list(revs) + opts.get('rev')
4b1cbcfdabf7 mq: extract strip function as its standalone extension (issue3824)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 19825
diff changeset
120 revs = set(scmutil.revrange(repo, revs))
4b1cbcfdabf7 mq: extract strip function as its standalone extension (issue3824)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 19825
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121
20096
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parents: 20009
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122 wlock = repo.wlock()
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parents: 20009
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123 try:
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parents: 20009
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124 if opts.get('bookmark'):
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parents: 20009
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125 mark = opts.get('bookmark')
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parents: 20009
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126 marks = repo._bookmarks
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parents: 20009
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127 if mark not in marks:
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parents: 20009
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128 raise util.Abort(_("bookmark '%s' not found") % mark)
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parents: 20009
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129
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parents: 20009
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130 # If the requested bookmark is not the only one pointing to a
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parents: 20009
diff changeset
131 # a revision we have to only delete the bookmark and not strip
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parents: 20009
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132 # anything. revsets cannot detect that case.
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parents: 20009
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133 uniquebm = True
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
134 for m, n in marks.iteritems():
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
135 if m != mark and n == repo[mark].node():
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
136 uniquebm = False
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parents: 20009
diff changeset
137 break
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
138 if uniquebm:
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
139 rsrevs = repo.revs("ancestors(bookmark(%s)) - "
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
140 "ancestors(head() and not bookmark(%s)) - "
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
141 "ancestors(bookmark() and not bookmark(%s))",
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
142 mark, mark, mark)
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
143 revs.update(set(rsrevs))
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
144 if not revs:
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
145 del marks[mark]
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
146 marks.write()
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parents: 20009
diff changeset
147 ui.write(_("bookmark '%s' deleted\n") % mark)
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
148
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parents: 20009
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149 if not revs:
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
150 raise util.Abort(_('empty revision set'))
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parents: 20009
diff changeset
151
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parents: 20009
diff changeset
152 descendants = set(cl.descendants(revs))
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parents: 20009
diff changeset
153 strippedrevs = revs.union(descendants)
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
154 roots = revs.difference(descendants)
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parents: 20009
diff changeset
155
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parents: 20009
diff changeset
156 update = False
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parents: 20009
diff changeset
157 # if one of the wdir parent is stripped we'll need
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parents: 20009
diff changeset
158 # to update away to an earlier revision
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
159 for p in repo.dirstate.parents():
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
160 if p != nullid and cl.rev(p) in strippedrevs:
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
161 update = True
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parents: 20009
diff changeset
162 break
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
163
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
164 rootnodes = set(cl.node(r) for r in roots)
19826
4b1cbcfdabf7 mq: extract strip function as its standalone extension (issue3824)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 19825
diff changeset
165
20096
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parents: 20009
diff changeset
166 q = getattr(repo, 'mq', None)
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
167 if q is not None and q.applied:
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parents: 20009
diff changeset
168 # refresh queue state if we're about to strip
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parents: 20009
diff changeset
169 # applied patches
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parents: 20009
diff changeset
170 if cl.rev(repo.lookup('qtip')) in strippedrevs:
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
171 q.applieddirty = True
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parents: 20009
diff changeset
172 start = 0
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parents: 20009
diff changeset
173 end = len(q.applied)
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
174 for i, statusentry in enumerate(q.applied):
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
175 if statusentry.node in rootnodes:
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
176 # if one of the stripped roots is an applied
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parents: 20009
diff changeset
177 # patch, only part of the queue is stripped
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
178 start = i
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parents: 20009
diff changeset
179 break
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
180 del q.applied[start:end]
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
181 q.savedirty()
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parents: 20009
diff changeset
182
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
183 revs = sorted(rootnodes)
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
184 if update and opts.get('keep'):
20102
04eaa8eec6a0 strip.stripcmd: remove redundant wlock acquire/release
Siddharth Agarwal <sid0@fb.com>
parents: 20101
diff changeset
185 urev, p2 = repo.changelog.parents(revs[0])
04eaa8eec6a0 strip.stripcmd: remove redundant wlock acquire/release
Siddharth Agarwal <sid0@fb.com>
parents: 20101
diff changeset
186 if (util.safehasattr(repo, 'mq') and p2 != nullid
04eaa8eec6a0 strip.stripcmd: remove redundant wlock acquire/release
Siddharth Agarwal <sid0@fb.com>
parents: 20101
diff changeset
187 and p2 in [x.node for x in repo.mq.applied]):
04eaa8eec6a0 strip.stripcmd: remove redundant wlock acquire/release
Siddharth Agarwal <sid0@fb.com>
parents: 20101
diff changeset
188 urev = p2
04eaa8eec6a0 strip.stripcmd: remove redundant wlock acquire/release
Siddharth Agarwal <sid0@fb.com>
parents: 20101
diff changeset
189 uctx = repo[urev]
20096
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
190
20102
04eaa8eec6a0 strip.stripcmd: remove redundant wlock acquire/release
Siddharth Agarwal <sid0@fb.com>
parents: 20101
diff changeset
191 # only reset the dirstate for files that would actually change
04eaa8eec6a0 strip.stripcmd: remove redundant wlock acquire/release
Siddharth Agarwal <sid0@fb.com>
parents: 20101
diff changeset
192 # between the working context and uctx
04eaa8eec6a0 strip.stripcmd: remove redundant wlock acquire/release
Siddharth Agarwal <sid0@fb.com>
parents: 20101
diff changeset
193 descendantrevs = repo.revs("%s::." % uctx.rev())
04eaa8eec6a0 strip.stripcmd: remove redundant wlock acquire/release
Siddharth Agarwal <sid0@fb.com>
parents: 20101
diff changeset
194 changedfiles = []
04eaa8eec6a0 strip.stripcmd: remove redundant wlock acquire/release
Siddharth Agarwal <sid0@fb.com>
parents: 20101
diff changeset
195 for rev in descendantrevs:
04eaa8eec6a0 strip.stripcmd: remove redundant wlock acquire/release
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parents: 20101
diff changeset
196 # blindly reset the files, regardless of what actually changed
04eaa8eec6a0 strip.stripcmd: remove redundant wlock acquire/release
Siddharth Agarwal <sid0@fb.com>
parents: 20101
diff changeset
197 changedfiles.extend(repo[rev].files())
20096
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parents: 20009
diff changeset
198
20102
04eaa8eec6a0 strip.stripcmd: remove redundant wlock acquire/release
Siddharth Agarwal <sid0@fb.com>
parents: 20101
diff changeset
199 # reset files that only changed in the dirstate too
04eaa8eec6a0 strip.stripcmd: remove redundant wlock acquire/release
Siddharth Agarwal <sid0@fb.com>
parents: 20101
diff changeset
200 dirstate = repo.dirstate
04eaa8eec6a0 strip.stripcmd: remove redundant wlock acquire/release
Siddharth Agarwal <sid0@fb.com>
parents: 20101
diff changeset
201 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
202 changedfiles.extend(dirchanges)
20096
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
203
20102
04eaa8eec6a0 strip.stripcmd: remove redundant wlock acquire/release
Siddharth Agarwal <sid0@fb.com>
parents: 20101
diff changeset
204 repo.dirstate.rebuild(urev, uctx.manifest(), changedfiles)
04eaa8eec6a0 strip.stripcmd: remove redundant wlock acquire/release
Siddharth Agarwal <sid0@fb.com>
parents: 20101
diff changeset
205 repo.dirstate.write()
04eaa8eec6a0 strip.stripcmd: remove redundant wlock acquire/release
Siddharth Agarwal <sid0@fb.com>
parents: 20101
diff changeset
206 update = False
20096
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
207
88e172871ad7 strip: hold wlock for entire duration
Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
208 if opts.get('bookmark'):
88e172871ad7 strip: hold wlock for entire duration
Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
209 if mark == repo._bookmarkcurrent:
20101
80d8bd69b5db merge with stable
Matt Mackall <mpm@selenic.com>
parents: 20099 20096
diff changeset
210 bookmarks.unsetcurrent(repo)
19826
4b1cbcfdabf7 mq: extract strip function as its standalone extension (issue3824)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 19825
diff changeset
211 del marks[mark]
4b1cbcfdabf7 mq: extract strip function as its standalone extension (issue3824)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 19825
diff changeset
212 marks.write()
4b1cbcfdabf7 mq: extract strip function as its standalone extension (issue3824)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 19825
diff changeset
213 ui.write(_("bookmark '%s' deleted\n") % mark)
4b1cbcfdabf7 mq: extract strip function as its standalone extension (issue3824)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 19825
diff changeset
214
20096
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Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
215 strip(ui, repo, revs, backup=backup, update=update,
88e172871ad7 strip: hold wlock for entire duration
Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
216 force=opts.get('force'))
88e172871ad7 strip: hold wlock for entire duration
Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
217 finally:
88e172871ad7 strip: hold wlock for entire duration
Siddharth Agarwal <sid0@fb.com>
parents: 20009
diff changeset
218 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
219
4b1cbcfdabf7 mq: extract strip function as its standalone extension (issue3824)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 19825
diff changeset
220 return 0