author | Augie Fackler <augie@google.com> |
Thu, 01 Oct 2015 15:35:10 -0400 | |
changeset 26711 | 0ef0aec56090 |
parent 26624 | bcace0fbb4c8 |
child 26748 | 5ba0a99ff27f |
permissions | -rw-r--r-- |
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"""strip changesets and their descendants from history |
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This extension allows you to strip changesets and all their descendants from the |
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repository. See the command help for details. |
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""" |
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from mercurial.i18n import _ |
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from mercurial.node import nullid |
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from mercurial.lock import release |
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from mercurial import cmdutil, hg, scmutil, util, error |
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from mercurial import repair, bookmarks, merge |
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cmdtable = {} |
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command = cmdutil.command(cmdtable) |
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# Note for extension authors: ONLY specify testedwith = 'internal' for |
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# extensions which SHIP WITH MERCURIAL. Non-mainline extensions should |
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# be specifying the version(s) of Mercurial they are tested with, or |
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# leave the attribute unspecified. |
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testedwith = 'internal' |
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def checksubstate(repo, baserev=None): |
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'''return list of subrepos at a different revision than substate. |
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Abort if any subrepos have uncommitted changes.''' |
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inclsubs = [] |
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wctx = repo[None] |
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if baserev: |
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bctx = repo[baserev] |
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else: |
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bctx = wctx.parents()[0] |
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for s in sorted(wctx.substate): |
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wctx.sub(s).bailifchanged(True) |
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if s not in bctx.substate or bctx.sub(s).dirty(): |
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inclsubs.append(s) |
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return inclsubs |
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def checklocalchanges(repo, force=False, excsuffix=''): |
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cmdutil.checkunfinished(repo) |
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s = repo.status() |
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if not force: |
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if s.modified or s.added or s.removed or s.deleted: |
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_("local changes found") # i18n tool detection |
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raise error.Abort(_("local changes found" + excsuffix)) |
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if checksubstate(repo): |
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_("local changed subrepos found") # i18n tool detection |
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raise error.Abort(_("local changed subrepos found" + excsuffix)) |
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return s |
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def strip(ui, repo, revs, update=True, backup=True, force=None, bookmark=None): |
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wlock = lock = None |
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try: |
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wlock = repo.wlock() |
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lock = repo.lock() |
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if update: |
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checklocalchanges(repo, force=force) |
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urev, p2 = repo.changelog.parents(revs[0]) |
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if (util.safehasattr(repo, 'mq') and |
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p2 != nullid |
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and p2 in [x.node for x in repo.mq.applied]): |
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urev = p2 |
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hg.clean(repo, urev) |
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repo.dirstate.write() |
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repair.strip(ui, repo, revs, backup) |
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marks = repo._bookmarks |
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if bookmark: |
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if bookmark == repo._activebookmark: |
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bookmarks.deactivate(repo) |
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del marks[bookmark] |
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marks.write() |
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ui.write(_("bookmark '%s' deleted\n") % bookmark) |
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finally: |
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release(lock, wlock) |
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@command("strip", |
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[ |
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('r', 'rev', [], _('strip specified revision (optional, ' |
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'can specify revisions without this ' |
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'option)'), _('REV')), |
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('f', 'force', None, _('force removal of changesets, discard ' |
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'uncommitted changes (no backup)')), |
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('', 'no-backup', None, _('no backups')), |
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('', 'nobackup', None, _('no backups (DEPRECATED)')), |
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('n', '', None, _('ignored (DEPRECATED)')), |
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('k', 'keep', None, _("do not modify working directory during " |
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"strip")), |
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('B', 'bookmark', '', _("remove revs only reachable from given" |
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" bookmark"))], |
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_('hg strip [-k] [-f] [-n] [-B bookmark] [-r] REV...')) |
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def stripcmd(ui, repo, *revs, **opts): |
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"""strip changesets and all their descendants from the repository |
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The strip command removes the specified changesets and all their |
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descendants. If the working directory has uncommitted changes, the |
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operation is aborted unless the --force flag is supplied, in which |
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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 error.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 = repair.stripbmrevset(repo, 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 error.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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diff
changeset
|
207 |
repo.dirstate.rebuild(urev, uctx.manifest(), changedfiles) |
04eaa8eec6a0
strip.stripcmd: remove redundant wlock acquire/release
Siddharth Agarwal <sid0@fb.com>
parents:
20101
diff
changeset
|
208 |
repo.dirstate.write() |
24709
69154e0ae384
strip: properly clear resolve state with --keep (issue4593)
Matt Mackall <mpm@selenic.com>
parents:
24471
diff
changeset
|
209 |
|
69154e0ae384
strip: properly clear resolve state with --keep (issue4593)
Matt Mackall <mpm@selenic.com>
parents:
24471
diff
changeset
|
210 |
# clear resolve state |
69154e0ae384
strip: properly clear resolve state with --keep (issue4593)
Matt Mackall <mpm@selenic.com>
parents:
24471
diff
changeset
|
211 |
ms = merge.mergestate(repo) |
69154e0ae384
strip: properly clear resolve state with --keep (issue4593)
Matt Mackall <mpm@selenic.com>
parents:
24471
diff
changeset
|
212 |
ms.reset(repo['.'].node()) |
69154e0ae384
strip: properly clear resolve state with --keep (issue4593)
Matt Mackall <mpm@selenic.com>
parents:
24471
diff
changeset
|
213 |
|
20102
04eaa8eec6a0
strip.stripcmd: remove redundant wlock acquire/release
Siddharth Agarwal <sid0@fb.com>
parents:
20101
diff
changeset
|
214 |
update = False |
20096
88e172871ad7
strip: hold wlock for entire duration
Siddharth Agarwal <sid0@fb.com>
parents:
20009
diff
changeset
|
215 |
|
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 |
|
20096
88e172871ad7
strip: hold wlock for entire duration
Siddharth Agarwal <sid0@fb.com>
parents:
20009
diff
changeset
|
217 |
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
|
218 |
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
|
219 |
finally: |
88e172871ad7
strip: hold wlock for entire duration
Siddharth Agarwal <sid0@fb.com>
parents:
20009
diff
changeset
|
220 |
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
|
221 |
|
4b1cbcfdabf7
mq: extract strip function as its standalone extension (issue3824)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
19825
diff
changeset
|
222 |
return 0 |