Mercurial > hg
annotate hgext/strip.py @ 26296:9cecbe837c94
debian: install hg-ssh to /usr/bin just like downstream
author | Augie Fackler <augie@google.com> |
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date | Tue, 22 Sep 2015 14:13:07 -0400 |
parents | 80c5b2666a96 |
children | 56b2bcea2529 |
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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, merge |
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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 # Note for extension authors: ONLY specify testedwith = 'internal' for |
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15 # extensions which SHIP WITH MERCURIAL. Non-mainline extensions should |
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16 # be specifying the version(s) of Mercurial they are tested with, or |
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17 # leave the attribute unspecified. |
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18 testedwith = 'internal' |
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19 |
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20 def checksubstate(repo, baserev=None): |
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21 '''return list of subrepos at a different revision than substate. |
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22 Abort if any subrepos have uncommitted changes.''' |
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23 inclsubs = [] |
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24 wctx = repo[None] |
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25 if baserev: |
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26 bctx = repo[baserev] |
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27 else: |
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28 bctx = wctx.parents()[0] |
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29 for s in sorted(wctx.substate): |
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30 wctx.sub(s).bailifchanged(True) |
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31 if s not in bctx.substate or bctx.sub(s).dirty(): |
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32 inclsubs.append(s) |
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33 return inclsubs |
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34 |
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35 def checklocalchanges(repo, force=False, excsuffix=''): |
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36 cmdutil.checkunfinished(repo) |
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37 s = repo.status() |
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38 if not force: |
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39 if s.modified or s.added or s.removed or s.deleted: |
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40 _("local changes found") # i18n tool detection |
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41 raise util.Abort(_("local changes found" + excsuffix)) |
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42 if checksubstate(repo): |
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43 _("local changed subrepos found") # i18n tool detection |
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44 raise util.Abort(_("local changed subrepos found" + excsuffix)) |
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45 return s |
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46 |
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47 def strip(ui, repo, revs, update=True, backup=True, force=None, bookmark=None): |
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48 wlock = lock = None |
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49 try: |
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50 wlock = repo.wlock() |
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51 lock = repo.lock() |
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52 |
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53 if update: |
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54 checklocalchanges(repo, force=force) |
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55 urev, p2 = repo.changelog.parents(revs[0]) |
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56 if (util.safehasattr(repo, 'mq') and |
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57 p2 != nullid |
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58 and p2 in [x.node for x in repo.mq.applied]): |
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59 urev = p2 |
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60 hg.clean(repo, urev) |
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61 repo.dirstate.write() |
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62 |
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63 repair.strip(ui, repo, revs, backup) |
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64 |
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65 marks = repo._bookmarks |
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66 if bookmark: |
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67 if bookmark == repo._activebookmark: |
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68 bookmarks.deactivate(repo) |
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69 del marks[bookmark] |
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70 marks.write() |
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71 ui.write(_("bookmark '%s' deleted\n") % bookmark) |
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72 finally: |
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73 release(lock, wlock) |
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74 |
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75 |
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76 @command("strip", |
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77 [ |
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78 ('r', 'rev', [], _('strip specified revision (optional, ' |
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79 'can specify revisions without this ' |
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80 'option)'), _('REV')), |
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81 ('f', 'force', None, _('force removal of changesets, discard ' |
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82 'uncommitted changes (no backup)')), |
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83 ('', 'no-backup', None, _('no backups')), |
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84 ('', 'nobackup', None, _('no backups (DEPRECATED)')), |
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85 ('n', '', None, _('ignored (DEPRECATED)')), |
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86 ('k', 'keep', None, _("do not modify working directory during " |
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87 "strip")), |
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88 ('B', 'bookmark', '', _("remove revs only reachable from given" |
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89 " bookmark"))], |
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90 _('hg strip [-k] [-f] [-n] [-B bookmark] [-r] REV...')) |
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91 def stripcmd(ui, repo, *revs, **opts): |
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92 """strip changesets and all their descendants from the repository |
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93 |
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94 The strip command removes the specified changesets and all their |
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95 descendants. If the working directory has uncommitted changes, the |
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96 operation is aborted unless the --force flag is supplied, in which |
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97 case changes will be discarded. |
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98 |
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99 If a parent of the working directory is stripped, then the working |
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100 directory will automatically be updated to the most recent |
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101 available ancestor of the stripped parent after the operation |
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102 completes. |
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103 |
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104 Any stripped changesets are stored in ``.hg/strip-backup`` as a |
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105 bundle (see :hg:`help bundle` and :hg:`help unbundle`). They can |
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106 be restored by running :hg:`unbundle .hg/strip-backup/BUNDLE`, |
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107 where BUNDLE is the bundle file created by the strip. Note that |
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108 the local revision numbers will in general be different after the |
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109 restore. |
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110 |
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111 Use the --no-backup option to discard the backup bundle once the |
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112 operation completes. |
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113 |
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114 Strip is not a history-rewriting operation and can be used on |
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115 changesets in the public phase. But if the stripped changesets have |
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116 been pushed to a remote repository you will likely pull them again. |
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117 |
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118 Return 0 on success. |
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119 """ |
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120 backup = True |
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121 if opts.get('no_backup') or opts.get('nobackup'): |
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122 backup = False |
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123 |
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124 cl = repo.changelog |
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125 revs = list(revs) + opts.get('rev') |
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126 revs = set(scmutil.revrange(repo, revs)) |
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127 |
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128 wlock = repo.wlock() |
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129 try: |
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130 if opts.get('bookmark'): |
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131 mark = opts.get('bookmark') |
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132 marks = repo._bookmarks |
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133 if mark not in marks: |
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134 raise util.Abort(_("bookmark '%s' not found") % mark) |
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135 |
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136 # If the requested bookmark is not the only one pointing to a |
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137 # a revision we have to only delete the bookmark and not strip |
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138 # anything. revsets cannot detect that case. |
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139 uniquebm = True |
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140 for m, n in marks.iteritems(): |
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141 if m != mark and n == repo[mark].node(): |
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142 uniquebm = False |
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143 break |
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144 if uniquebm: |
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145 rsrevs = repo.revs("ancestors(bookmark(%s)) - " |
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146 "ancestors(head() and not bookmark(%s)) - " |
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147 "ancestors(bookmark() and not bookmark(%s))", |
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148 mark, mark, mark) |
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149 revs.update(set(rsrevs)) |
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150 if not revs: |
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151 del marks[mark] |
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152 marks.write() |
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153 ui.write(_("bookmark '%s' deleted\n") % mark) |
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154 |
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155 if not revs: |
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156 raise util.Abort(_('empty revision set')) |
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157 |
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158 descendants = set(cl.descendants(revs)) |
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159 strippedrevs = revs.union(descendants) |
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160 roots = revs.difference(descendants) |
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161 |
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162 update = False |
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163 # if one of the wdir parent is stripped we'll need |
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164 # to update away to an earlier revision |
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165 for p in repo.dirstate.parents(): |
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166 if p != nullid and cl.rev(p) in strippedrevs: |
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167 update = True |
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168 break |
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169 |
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170 rootnodes = set(cl.node(r) for r in roots) |
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171 |
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172 q = getattr(repo, 'mq', None) |
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173 if q is not None and q.applied: |
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174 # refresh queue state if we're about to strip |
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175 # applied patches |
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176 if cl.rev(repo.lookup('qtip')) in strippedrevs: |
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177 q.applieddirty = True |
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178 start = 0 |
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179 end = len(q.applied) |
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180 for i, statusentry in enumerate(q.applied): |
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181 if statusentry.node in rootnodes: |
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182 # if one of the stripped roots is an applied |
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183 # patch, only part of the queue is stripped |
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184 start = i |
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185 break |
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186 del q.applied[start:end] |
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187 q.savedirty() |
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188 |
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189 revs = sorted(rootnodes) |
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190 if update and opts.get('keep'): |
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191 urev, p2 = repo.changelog.parents(revs[0]) |
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192 if (util.safehasattr(repo, 'mq') and p2 != nullid |
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193 and p2 in [x.node for x in repo.mq.applied]): |
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194 urev = p2 |
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195 uctx = repo[urev] |
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196 |
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197 # only reset the dirstate for files that would actually change |
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198 # between the working context and uctx |
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199 descendantrevs = repo.revs("%s::." % uctx.rev()) |
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200 changedfiles = [] |
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201 for rev in descendantrevs: |
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202 # blindly reset the files, regardless of what actually changed |
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203 changedfiles.extend(repo[rev].files()) |
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204 |
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205 # reset files that only changed in the dirstate too |
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206 dirstate = repo.dirstate |
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207 dirchanges = [f for f in dirstate if dirstate[f] != 'n'] |
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208 changedfiles.extend(dirchanges) |
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209 |
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210 repo.dirstate.rebuild(urev, uctx.manifest(), changedfiles) |
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211 repo.dirstate.write() |
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212 |
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213 # clear resolve state |
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214 ms = merge.mergestate(repo) |
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215 ms.reset(repo['.'].node()) |
69154e0ae384
strip: properly clear resolve state with --keep (issue4593)
Matt Mackall <mpm@selenic.com>
parents:
24471
diff
changeset
|
216 |
20102
04eaa8eec6a0
strip.stripcmd: remove redundant wlock acquire/release
Siddharth Agarwal <sid0@fb.com>
parents:
20101
diff
changeset
|
217 update = False |
20096
88e172871ad7
strip: hold wlock for entire duration
Siddharth Agarwal <sid0@fb.com>
parents:
20009
diff
changeset
|
218 |
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 |
20096
88e172871ad7
strip: hold wlock for entire duration
Siddharth Agarwal <sid0@fb.com>
parents:
20009
diff
changeset
|
220 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
|
221 force=opts.get('force'), bookmark=opts.get('bookmark')) |
20096
88e172871ad7
strip: hold wlock for entire duration
Siddharth Agarwal <sid0@fb.com>
parents:
20009
diff
changeset
|
222 finally: |
88e172871ad7
strip: hold wlock for entire duration
Siddharth Agarwal <sid0@fb.com>
parents:
20009
diff
changeset
|
223 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
|
224 |
4b1cbcfdabf7
mq: extract strip function as its standalone extension (issue3824)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
19825
diff
changeset
|
225 return 0 |