Mercurial > hg
annotate hgext/strip.py @ 21747:fecead61d222
error: restore python 2.4 compatibility for BundleValueError
Under python 2.4, this:
super(BundleValueError, self).__init__(msg)
raises this:
TypeError: super() argument 1 must be type, not classobj
author | Brendan Cully <brendan@kublai.com> |
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date | Tue, 10 Jun 2014 17:00:31 -0700 |
parents | 04eaa8eec6a0 |
children | f6f122f4813b |
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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'): |
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114 backup = 'strip' |
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115 elif opts.get('no_backup') or opts.get('nobackup'): |
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116 backup = 'none' |
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117 |
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118 cl = repo.changelog |
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119 revs = list(revs) + opts.get('rev') |
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120 revs = set(scmutil.revrange(repo, revs)) |
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121 |
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122 wlock = repo.wlock() |
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123 try: |
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124 if opts.get('bookmark'): |
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125 mark = opts.get('bookmark') |
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126 marks = repo._bookmarks |
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127 if mark not in marks: |
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128 raise util.Abort(_("bookmark '%s' not found") % mark) |
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129 |
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130 # If the requested bookmark is not the only one pointing to a |
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131 # a revision we have to only delete the bookmark and not strip |
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132 # anything. revsets cannot detect that case. |
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133 uniquebm = True |
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134 for m, n in marks.iteritems(): |
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135 if m != mark and n == repo[mark].node(): |
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136 uniquebm = False |
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137 break |
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138 if uniquebm: |
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139 rsrevs = repo.revs("ancestors(bookmark(%s)) - " |
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140 "ancestors(head() and not bookmark(%s)) - " |
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141 "ancestors(bookmark() and not bookmark(%s))", |
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142 mark, mark, mark) |
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143 revs.update(set(rsrevs)) |
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144 if not revs: |
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145 del marks[mark] |
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146 marks.write() |
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147 ui.write(_("bookmark '%s' deleted\n") % mark) |
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148 |
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149 if not revs: |
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150 raise util.Abort(_('empty revision set')) |
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151 |
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152 descendants = set(cl.descendants(revs)) |
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153 strippedrevs = revs.union(descendants) |
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154 roots = revs.difference(descendants) |
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155 |
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156 update = False |
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157 # if one of the wdir parent is stripped we'll need |
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158 # to update away to an earlier revision |
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159 for p in repo.dirstate.parents(): |
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160 if p != nullid and cl.rev(p) in strippedrevs: |
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161 update = True |
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162 break |
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163 |
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164 rootnodes = set(cl.node(r) for r in roots) |
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165 |
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166 q = getattr(repo, 'mq', None) |
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167 if q is not None and q.applied: |
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168 # refresh queue state if we're about to strip |
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169 # applied patches |
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170 if cl.rev(repo.lookup('qtip')) in strippedrevs: |
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171 q.applieddirty = True |
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172 start = 0 |
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173 end = len(q.applied) |
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174 for i, statusentry in enumerate(q.applied): |
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175 if statusentry.node in rootnodes: |
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176 # if one of the stripped roots is an applied |
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177 # patch, only part of the queue is stripped |
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178 start = i |
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179 break |
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180 del q.applied[start:end] |
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181 q.savedirty() |
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182 |
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183 revs = sorted(rootnodes) |
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184 if update and opts.get('keep'): |
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185 urev, p2 = repo.changelog.parents(revs[0]) |
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186 if (util.safehasattr(repo, 'mq') and p2 != nullid |
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187 and p2 in [x.node for x in repo.mq.applied]): |
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188 urev = p2 |
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189 uctx = repo[urev] |
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190 |
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191 # only reset the dirstate for files that would actually change |
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192 # between the working context and uctx |
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193 descendantrevs = repo.revs("%s::." % uctx.rev()) |
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194 changedfiles = [] |
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195 for rev in descendantrevs: |
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196 # blindly reset the files, regardless of what actually changed |
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197 changedfiles.extend(repo[rev].files()) |
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198 |
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199 # reset files that only changed in the dirstate too |
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200 dirstate = repo.dirstate |
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201 dirchanges = [f for f in dirstate if dirstate[f] != 'n'] |
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202 changedfiles.extend(dirchanges) |
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203 |
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204 repo.dirstate.rebuild(urev, uctx.manifest(), changedfiles) |
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205 repo.dirstate.write() |
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206 update = False |
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207 |
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208 if opts.get('bookmark'): |
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209 if mark == repo._bookmarkcurrent: |
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211 del marks[mark] |
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212 marks.write() |
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213 ui.write(_("bookmark '%s' deleted\n") % mark) |
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214 |
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Siddharth Agarwal <sid0@fb.com>
parents:
20009
diff
changeset
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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
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216 force=opts.get('force')) |
88e172871ad7
strip: hold wlock for entire duration
Siddharth Agarwal <sid0@fb.com>
parents:
20009
diff
changeset
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217 finally: |
88e172871ad7
strip: hold wlock for entire duration
Siddharth Agarwal <sid0@fb.com>
parents:
20009
diff
changeset
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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
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219 |
4b1cbcfdabf7
mq: extract strip function as its standalone extension (issue3824)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
19825
diff
changeset
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220 return 0 |