Mercurial > hg
annotate hgext/strip.py @ 23203:3872d563e01a
changelog: handle writepending in the transaction
The 'delayupdate' method now takes a transaction object and registers its
'_writepending' method for execution in 'transaction.writepending()'. The hook can then
use 'transaction.writepending()' directly.
At some point this will allow the addition of other file creation
during writepending.
author | Pierre-Yves David <pierre-yves.david@fb.com> |
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date | Fri, 17 Oct 2014 21:55:31 -0700 |
parents | e53f6b72a0e4 |
children | 135b23868f45 |
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 copy during strip")), |
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85 ('B', 'bookmark', '', _("remove revs only reachable from given" |
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86 " bookmark"))], |
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87 _('hg strip [-k] [-f] [-n] [-B bookmark] [-r] REV...')) |
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88 def stripcmd(ui, repo, *revs, **opts): |
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89 """strip changesets and all their descendants from the repository |
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90 |
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91 The strip command removes the specified changesets and all their |
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92 descendants. If the working directory has uncommitted changes, the |
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93 operation is aborted unless the --force flag is supplied, in which |
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94 case changes will be discarded. |
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95 |
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96 If a parent of the working directory is stripped, then the working |
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97 directory will automatically be updated to the most recent |
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98 available ancestor of the stripped parent after the operation |
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99 completes. |
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100 |
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101 Any stripped changesets are stored in ``.hg/strip-backup`` as a |
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102 bundle (see :hg:`help bundle` and :hg:`help unbundle`). They can |
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103 be restored by running :hg:`unbundle .hg/strip-backup/BUNDLE`, |
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104 where BUNDLE is the bundle file created by the strip. Note that |
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105 the local revision numbers will in general be different after the |
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106 restore. |
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107 |
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108 Use the --no-backup option to discard the backup bundle once the |
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109 operation completes. |
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110 |
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111 Strip is not a history-rewriting operation and can be used on |
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112 changesets in the public phase. But if the stripped changesets have |
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113 been pushed to a remote repository you will likely pull them again. |
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114 |
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115 Return 0 on success. |
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116 """ |
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117 backup = True |
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118 if opts.get('no_backup') or opts.get('nobackup'): |
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119 backup = False |
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120 |
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121 cl = repo.changelog |
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122 revs = list(revs) + opts.get('rev') |
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123 revs = set(scmutil.revrange(repo, revs)) |
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124 |
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125 wlock = repo.wlock() |
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126 try: |
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127 if opts.get('bookmark'): |
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128 mark = opts.get('bookmark') |
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129 marks = repo._bookmarks |
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130 if mark not in marks: |
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131 raise util.Abort(_("bookmark '%s' not found") % mark) |
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132 |
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133 # If the requested bookmark is not the only one pointing to a |
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134 # a revision we have to only delete the bookmark and not strip |
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135 # anything. revsets cannot detect that case. |
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136 uniquebm = True |
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137 for m, n in marks.iteritems(): |
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138 if m != mark and n == repo[mark].node(): |
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139 uniquebm = False |
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140 break |
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141 if uniquebm: |
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142 rsrevs = repo.revs("ancestors(bookmark(%s)) - " |
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143 "ancestors(head() and not bookmark(%s)) - " |
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144 "ancestors(bookmark() and not bookmark(%s))", |
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145 mark, mark, mark) |
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146 revs.update(set(rsrevs)) |
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147 if not revs: |
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148 del marks[mark] |
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149 marks.write() |
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150 ui.write(_("bookmark '%s' deleted\n") % mark) |
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151 |
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152 if not revs: |
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153 raise util.Abort(_('empty revision set')) |
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154 |
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155 descendants = set(cl.descendants(revs)) |
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156 strippedrevs = revs.union(descendants) |
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157 roots = revs.difference(descendants) |
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158 |
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159 update = False |
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160 # if one of the wdir parent is stripped we'll need |
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161 # to update away to an earlier revision |
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162 for p in repo.dirstate.parents(): |
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163 if p != nullid and cl.rev(p) in strippedrevs: |
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164 update = True |
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165 break |
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166 |
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167 rootnodes = set(cl.node(r) for r in roots) |
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168 |
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169 q = getattr(repo, 'mq', None) |
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170 if q is not None and q.applied: |
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171 # refresh queue state if we're about to strip |
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172 # applied patches |
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173 if cl.rev(repo.lookup('qtip')) in strippedrevs: |
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174 q.applieddirty = True |
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175 start = 0 |
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176 end = len(q.applied) |
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177 for i, statusentry in enumerate(q.applied): |
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178 if statusentry.node in rootnodes: |
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179 # if one of the stripped roots is an applied |
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180 # patch, only part of the queue is stripped |
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181 start = i |
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182 break |
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183 del q.applied[start:end] |
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184 q.savedirty() |
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185 |
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186 revs = sorted(rootnodes) |
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187 if update and opts.get('keep'): |
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188 urev, p2 = repo.changelog.parents(revs[0]) |
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189 if (util.safehasattr(repo, 'mq') and p2 != nullid |
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190 and p2 in [x.node for x in repo.mq.applied]): |
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191 urev = p2 |
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192 uctx = repo[urev] |
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193 |
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194 # only reset the dirstate for files that would actually change |
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195 # between the working context and uctx |
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196 descendantrevs = repo.revs("%s::." % uctx.rev()) |
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197 changedfiles = [] |
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198 for rev in descendantrevs: |
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199 # blindly reset the files, regardless of what actually changed |
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200 changedfiles.extend(repo[rev].files()) |
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201 |
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202 # reset files that only changed in the dirstate too |
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203 dirstate = repo.dirstate |
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204 dirchanges = [f for f in dirstate if dirstate[f] != 'n'] |
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205 changedfiles.extend(dirchanges) |
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206 |
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207 repo.dirstate.rebuild(urev, uctx.manifest(), changedfiles) |
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208 repo.dirstate.write() |
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209 update = False |
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210 |
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211 |
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212 strip(ui, repo, revs, backup=backup, update=update, |
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213 force=opts.get('force'), bookmark=opts.get('bookmark')) |
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214 finally: |
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strip: hold wlock for entire duration
Siddharth Agarwal <sid0@fb.com>
parents:
20009
diff
changeset
|
215 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
|
216 |
4b1cbcfdabf7
mq: extract strip function as its standalone extension (issue3824)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
19825
diff
changeset
|
217 return 0 |