Mercurial > hg
annotate hgext/strip.py @ 33989:266192d4666b
tests: update test-inherit-mode to pass our import checker
author | Augie Fackler <raf@durin42.com> |
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date | Tue, 22 Aug 2017 17:15:09 -0400 |
parents | eb344bbac18c |
children | 05c2a9f37a1d |
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 __future__ import absolute_import |
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7 |
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8 from mercurial.i18n import _ |
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9 from mercurial import ( |
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10 bookmarks as bookmarksmod, |
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11 cmdutil, |
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12 error, |
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13 hg, |
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14 lock as lockmod, |
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15 merge, |
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16 node as nodemod, |
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17 pycompat, |
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18 registrar, |
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19 repair, |
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20 scmutil, |
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21 util, |
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22 ) |
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23 nullid = nodemod.nullid |
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24 release = lockmod.release |
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25 |
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26 cmdtable = {} |
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27 command = registrar.command(cmdtable) |
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28 # Note for extension authors: ONLY specify testedwith = 'ships-with-hg-core' for |
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29 # extensions which SHIP WITH MERCURIAL. Non-mainline extensions should |
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30 # be specifying the version(s) of Mercurial they are tested with, or |
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31 # leave the attribute unspecified. |
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32 testedwith = 'ships-with-hg-core' |
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33 |
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34 def checksubstate(repo, baserev=None): |
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35 '''return list of subrepos at a different revision than substate. |
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36 Abort if any subrepos have uncommitted changes.''' |
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37 inclsubs = [] |
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38 wctx = repo[None] |
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39 if baserev: |
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40 bctx = repo[baserev] |
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41 else: |
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42 bctx = wctx.parents()[0] |
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43 for s in sorted(wctx.substate): |
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44 wctx.sub(s).bailifchanged(True) |
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45 if s not in bctx.substate or bctx.sub(s).dirty(): |
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46 inclsubs.append(s) |
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47 return inclsubs |
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48 |
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49 def checklocalchanges(repo, force=False, excsuffix=''): |
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50 cmdutil.checkunfinished(repo) |
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51 s = repo.status() |
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52 if not force: |
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53 if s.modified or s.added or s.removed or s.deleted: |
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54 _("local changes found") # i18n tool detection |
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55 raise error.Abort(_("local changes found" + excsuffix)) |
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56 if checksubstate(repo): |
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57 _("local changed subrepos found") # i18n tool detection |
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58 raise error.Abort(_("local changed subrepos found" + excsuffix)) |
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59 return s |
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60 |
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61 def strip(ui, repo, revs, update=True, backup=True, force=None, bookmarks=None): |
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62 with repo.wlock(), repo.lock(): |
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63 |
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64 if update: |
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65 checklocalchanges(repo, force=force) |
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66 urev, p2 = repo.changelog.parents(revs[0]) |
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67 if (util.safehasattr(repo, 'mq') and |
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68 p2 != nullid |
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69 and p2 in [x.node for x in repo.mq.applied]): |
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70 urev = p2 |
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71 hg.clean(repo, urev) |
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72 repo.dirstate.write(repo.currenttransaction()) |
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73 |
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74 repair.strip(ui, repo, revs, backup) |
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75 |
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76 repomarks = repo._bookmarks |
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77 if bookmarks: |
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78 with repo.transaction('strip') as tr: |
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79 if repo._activebookmark in bookmarks: |
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80 bookmarksmod.deactivate(repo) |
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81 repomarks.applychanges(repo, tr, [(b, None) for b in bookmarks]) |
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82 for bookmark in sorted(bookmarks): |
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83 ui.write(_("bookmark '%s' deleted\n") % bookmark) |
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84 |
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85 @command("strip", |
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86 [ |
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87 ('r', 'rev', [], _('strip specified revision (optional, ' |
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88 'can specify revisions without this ' |
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89 'option)'), _('REV')), |
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90 ('f', 'force', None, _('force removal of changesets, discard ' |
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91 'uncommitted changes (no backup)')), |
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92 ('', 'no-backup', None, _('no backups')), |
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93 ('', 'nobackup', None, _('no backups (DEPRECATED)')), |
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94 ('n', '', None, _('ignored (DEPRECATED)')), |
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95 ('k', 'keep', None, _("do not modify working directory during " |
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96 "strip")), |
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97 ('B', 'bookmark', [], _("remove revs only reachable from given" |
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98 " bookmark"))], |
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99 _('hg strip [-k] [-f] [-B bookmark] [-r] REV...')) |
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100 def stripcmd(ui, repo, *revs, **opts): |
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101 """strip changesets and all their descendants from the repository |
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102 |
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103 The strip command removes the specified changesets and all their |
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104 descendants. If the working directory has uncommitted changes, the |
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105 operation is aborted unless the --force flag is supplied, in which |
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106 case changes will be discarded. |
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107 |
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108 If a parent of the working directory is stripped, then the working |
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109 directory will automatically be updated to the most recent |
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110 available ancestor of the stripped parent after the operation |
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111 completes. |
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112 |
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113 Any stripped changesets are stored in ``.hg/strip-backup`` as a |
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114 bundle (see :hg:`help bundle` and :hg:`help unbundle`). They can |
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115 be restored by running :hg:`unbundle .hg/strip-backup/BUNDLE`, |
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116 where BUNDLE is the bundle file created by the strip. Note that |
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117 the local revision numbers will in general be different after the |
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118 restore. |
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119 |
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120 Use the --no-backup option to discard the backup bundle once the |
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121 operation completes. |
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122 |
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123 Strip is not a history-rewriting operation and can be used on |
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124 changesets in the public phase. But if the stripped changesets have |
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125 been pushed to a remote repository you will likely pull them again. |
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126 |
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127 Return 0 on success. |
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128 """ |
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129 opts = pycompat.byteskwargs(opts) |
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130 backup = True |
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131 if opts.get('no_backup') or opts.get('nobackup'): |
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132 backup = False |
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133 |
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134 cl = repo.changelog |
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135 revs = list(revs) + opts.get('rev') |
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136 revs = set(scmutil.revrange(repo, revs)) |
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137 |
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138 with repo.wlock(): |
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139 bookmarks = set(opts.get('bookmark')) |
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140 if bookmarks: |
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141 repomarks = repo._bookmarks |
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142 if not bookmarks.issubset(repomarks): |
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143 raise error.Abort(_("bookmark '%s' not found") % |
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144 ','.join(sorted(bookmarks - set(repomarks.keys())))) |
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145 |
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146 # If the requested bookmark is not the only one pointing to a |
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147 # a revision we have to only delete the bookmark and not strip |
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148 # anything. revsets cannot detect that case. |
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149 nodetobookmarks = {} |
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150 for mark, node in repomarks.iteritems(): |
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151 nodetobookmarks.setdefault(node, []).append(mark) |
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152 for marks in nodetobookmarks.values(): |
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153 if bookmarks.issuperset(marks): |
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154 rsrevs = repair.stripbmrevset(repo, marks[0]) |
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155 revs.update(set(rsrevs)) |
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156 if not revs: |
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157 with repo.lock(), repo.transaction('bookmark') as tr: |
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158 bmchanges = [(b, None) for b in bookmarks] |
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159 repomarks.applychanges(repo, tr, bmchanges) |
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160 for bookmark in sorted(bookmarks): |
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161 ui.write(_("bookmark '%s' deleted\n") % bookmark) |
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162 |
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163 if not revs: |
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164 raise error.Abort(_('empty revision set')) |
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165 |
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166 descendants = set(cl.descendants(revs)) |
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167 strippedrevs = revs.union(descendants) |
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168 roots = revs.difference(descendants) |
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169 |
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170 update = False |
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171 # if one of the wdir parent is stripped we'll need |
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172 # to update away to an earlier revision |
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173 for p in repo.dirstate.parents(): |
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174 if p != nullid and cl.rev(p) in strippedrevs: |
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175 update = True |
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176 break |
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177 |
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178 rootnodes = set(cl.node(r) for r in roots) |
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179 |
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180 q = getattr(repo, 'mq', None) |
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181 if q is not None and q.applied: |
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182 # refresh queue state if we're about to strip |
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183 # applied patches |
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184 if cl.rev(repo.lookup('qtip')) in strippedrevs: |
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185 q.applieddirty = True |
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186 start = 0 |
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187 end = len(q.applied) |
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188 for i, statusentry in enumerate(q.applied): |
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189 if statusentry.node in rootnodes: |
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190 # if one of the stripped roots is an applied |
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191 # patch, only part of the queue is stripped |
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192 start = i |
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193 break |
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194 del q.applied[start:end] |
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195 q.savedirty() |
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196 |
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197 revs = sorted(rootnodes) |
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198 if update and opts.get('keep'): |
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199 urev, p2 = repo.changelog.parents(revs[0]) |
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200 if (util.safehasattr(repo, 'mq') and p2 != nullid |
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201 and p2 in [x.node for x in repo.mq.applied]): |
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202 urev = p2 |
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203 uctx = repo[urev] |
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204 |
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205 # only reset the dirstate for files that would actually change |
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206 # between the working context and uctx |
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207 descendantrevs = repo.revs("%s::." % uctx.rev()) |
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208 changedfiles = [] |
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209 for rev in descendantrevs: |
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210 # blindly reset the files, regardless of what actually changed |
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211 changedfiles.extend(repo[rev].files()) |
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212 |
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213 # reset files that only changed in the dirstate too |
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214 dirstate = repo.dirstate |
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Siddharth Agarwal <sid0@fb.com>
parents:
20101
diff
changeset
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215 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
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216 changedfiles.extend(dirchanges) |
20096
88e172871ad7
strip: hold wlock for entire duration
Siddharth Agarwal <sid0@fb.com>
parents:
20009
diff
changeset
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217 |
20102
04eaa8eec6a0
strip.stripcmd: remove redundant wlock acquire/release
Siddharth Agarwal <sid0@fb.com>
parents:
20101
diff
changeset
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218 repo.dirstate.rebuild(urev, uctx.manifest(), changedfiles) |
26748
5ba0a99ff27f
dirstate: make dirstate.write() callers pass transaction object to it
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
26624
diff
changeset
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219 repo.dirstate.write(repo.currenttransaction()) |
24709
69154e0ae384
strip: properly clear resolve state with --keep (issue4593)
Matt Mackall <mpm@selenic.com>
parents:
24471
diff
changeset
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220 |
69154e0ae384
strip: properly clear resolve state with --keep (issue4593)
Matt Mackall <mpm@selenic.com>
parents:
24471
diff
changeset
|
221 # clear resolve state |
26988
7e38d49bc713
strip: switch to mergestate.clean()
Siddharth Agarwal <sid0@fb.com>
parents:
26972
diff
changeset
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222 merge.mergestate.clean(repo, repo['.'].node()) |
24709
69154e0ae384
strip: properly clear resolve state with --keep (issue4593)
Matt Mackall <mpm@selenic.com>
parents:
24471
diff
changeset
|
223 |
20102
04eaa8eec6a0
strip.stripcmd: remove redundant wlock acquire/release
Siddharth Agarwal <sid0@fb.com>
parents:
20101
diff
changeset
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224 update = False |
20096
88e172871ad7
strip: hold wlock for entire duration
Siddharth Agarwal <sid0@fb.com>
parents:
20009
diff
changeset
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225 |
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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226 |
20096
88e172871ad7
strip: hold wlock for entire duration
Siddharth Agarwal <sid0@fb.com>
parents:
20009
diff
changeset
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227 strip(ui, repo, revs, backup=backup, update=update, |
27029
8279c5d116a0
strip: strip a list of bookmarks
Shubhanshu Agrawal <agrawal.shubhanshu@gmail.com>
parents:
26988
diff
changeset
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228 force=opts.get('force'), bookmarks=bookmarks) |
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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229 |
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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230 return 0 |