Mercurial > hg
view hgext/strip.py @ 20535:5f683209f5b6 stable
pathencode: eliminate signed integer warnings
Compiling mercurial with the Sun Studio compiler gives seven copies of the
following warning on pathencode.c:
line 533: warning: initializer will be sign-extended: -1
Using explicit unsigned literals silences it.
author | Danek Duvall <danek.duvall@oracle.com> |
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date | Wed, 19 Feb 2014 13:11:24 -0800 |
parents | 04eaa8eec6a0 |
children | f6f122f4813b |
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"""strip changesets and their descendents from history This extension allows you to strip changesets and all their descendants from the repository. See the command help for details. """ from mercurial.i18n import _ from mercurial.node import nullid from mercurial.lock import release from mercurial import cmdutil, hg, scmutil, util from mercurial import repair, bookmarks cmdtable = {} command = cmdutil.command(cmdtable) testedwith = 'internal' def checksubstate(repo, baserev=None): '''return list of subrepos at a different revision than substate. Abort if any subrepos have uncommitted changes.''' inclsubs = [] wctx = repo[None] if baserev: bctx = repo[baserev] else: bctx = wctx.parents()[0] for s in sorted(wctx.substate): if wctx.sub(s).dirty(True): raise util.Abort( _("uncommitted changes in subrepository %s") % s) elif s not in bctx.substate or bctx.sub(s).dirty(): inclsubs.append(s) return inclsubs def checklocalchanges(repo, force=False, excsuffix=''): cmdutil.checkunfinished(repo) m, a, r, d = repo.status()[:4] if not force: if (m or a or r or d): _("local changes found") # i18n tool detection raise util.Abort(_("local changes found" + excsuffix)) if checksubstate(repo): _("local changed subrepos found") # i18n tool detection raise util.Abort(_("local changed subrepos found" + excsuffix)) return m, a, r, d def strip(ui, repo, revs, update=True, backup="all", force=None): wlock = lock = None try: wlock = repo.wlock() lock = repo.lock() if update: checklocalchanges(repo, force=force) urev, p2 = repo.changelog.parents(revs[0]) if (util.safehasattr(repo, 'mq') and p2 != nullid and p2 in [x.node for x in repo.mq.applied]): urev = p2 hg.clean(repo, urev) repo.dirstate.write() repair.strip(ui, repo, revs, backup) finally: release(lock, wlock) @command("strip", [ ('r', 'rev', [], _('strip specified revision (optional, ' 'can specify revisions without this ' 'option)'), _('REV')), ('f', 'force', None, _('force removal of changesets, discard ' 'uncommitted changes (no backup)')), ('b', 'backup', None, _('bundle only changesets with local revision' ' number greater than REV which are not' ' descendants of REV (DEPRECATED)')), ('', 'no-backup', None, _('no backups')), ('', 'nobackup', None, _('no backups (DEPRECATED)')), ('n', '', None, _('ignored (DEPRECATED)')), ('k', 'keep', None, _("do not modify working copy during strip")), ('B', 'bookmark', '', _("remove revs only reachable from given" " bookmark"))], _('hg strip [-k] [-f] [-n] [-B bookmark] [-r] REV...')) def stripcmd(ui, repo, *revs, **opts): """strip changesets and all their descendants from the repository The strip command removes the specified changesets and all their descendants. If the working directory has uncommitted changes, the operation is aborted unless the --force flag is supplied, in which case changes will be discarded. If a parent of the working directory is stripped, then the working directory will automatically be updated to the most recent available ancestor of the stripped parent after the operation completes. Any stripped changesets are stored in ``.hg/strip-backup`` as a bundle (see :hg:`help bundle` and :hg:`help unbundle`). They can be restored by running :hg:`unbundle .hg/strip-backup/BUNDLE`, where BUNDLE is the bundle file created by the strip. Note that the local revision numbers will in general be different after the restore. Use the --no-backup option to discard the backup bundle once the operation completes. Strip is not a history-rewriting operation and can be used on changesets in the public phase. But if the stripped changesets have been pushed to a remote repository you will likely pull them again. Return 0 on success. """ backup = 'all' if opts.get('backup'): backup = 'strip' elif opts.get('no_backup') or opts.get('nobackup'): backup = 'none' cl = repo.changelog revs = list(revs) + opts.get('rev') revs = set(scmutil.revrange(repo, revs)) wlock = repo.wlock() try: if opts.get('bookmark'): mark = opts.get('bookmark') marks = repo._bookmarks if mark not in marks: raise util.Abort(_("bookmark '%s' not found") % mark) # If the requested bookmark is not the only one pointing to a # a revision we have to only delete the bookmark and not strip # anything. revsets cannot detect that case. uniquebm = True for m, n in marks.iteritems(): if m != mark and n == repo[mark].node(): uniquebm = False break if uniquebm: rsrevs = repo.revs("ancestors(bookmark(%s)) - " "ancestors(head() and not bookmark(%s)) - " "ancestors(bookmark() and not bookmark(%s))", mark, mark, mark) revs.update(set(rsrevs)) if not revs: del marks[mark] marks.write() ui.write(_("bookmark '%s' deleted\n") % mark) if not revs: raise util.Abort(_('empty revision set')) descendants = set(cl.descendants(revs)) strippedrevs = revs.union(descendants) roots = revs.difference(descendants) update = False # if one of the wdir parent is stripped we'll need # to update away to an earlier revision for p in repo.dirstate.parents(): if p != nullid and cl.rev(p) in strippedrevs: update = True break rootnodes = set(cl.node(r) for r in roots) q = getattr(repo, 'mq', None) if q is not None and q.applied: # refresh queue state if we're about to strip # applied patches if cl.rev(repo.lookup('qtip')) in strippedrevs: q.applieddirty = True start = 0 end = len(q.applied) for i, statusentry in enumerate(q.applied): if statusentry.node in rootnodes: # if one of the stripped roots is an applied # patch, only part of the queue is stripped start = i break del q.applied[start:end] q.savedirty() revs = sorted(rootnodes) if update and opts.get('keep'): urev, p2 = repo.changelog.parents(revs[0]) if (util.safehasattr(repo, 'mq') and p2 != nullid and p2 in [x.node for x in repo.mq.applied]): urev = p2 uctx = repo[urev] # only reset the dirstate for files that would actually change # between the working context and uctx descendantrevs = repo.revs("%s::." % uctx.rev()) changedfiles = [] for rev in descendantrevs: # blindly reset the files, regardless of what actually changed changedfiles.extend(repo[rev].files()) # reset files that only changed in the dirstate too dirstate = repo.dirstate dirchanges = [f for f in dirstate if dirstate[f] != 'n'] changedfiles.extend(dirchanges) repo.dirstate.rebuild(urev, uctx.manifest(), changedfiles) repo.dirstate.write() update = False if opts.get('bookmark'): if mark == repo._bookmarkcurrent: bookmarks.unsetcurrent(repo) del marks[mark] marks.write() ui.write(_("bookmark '%s' deleted\n") % mark) strip(ui, repo, revs, backup=backup, update=update, force=opts.get('force')) finally: wlock.release() return 0