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author | timeless <timeless@mozdev.org> |
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date | Tue, 22 Dec 2015 06:02:01 +0000 |
parents | c14af2d4b08c |
children | 07fc2f2134ba |
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# shelve.py - save/restore working directory state # # Copyright 2013 Facebook, Inc. # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. """save and restore changes to the working directory The "hg shelve" command saves changes made to the working directory and reverts those changes, resetting the working directory to a clean state. Later on, the "hg unshelve" command restores the changes saved by "hg shelve". Changes can be restored even after updating to a different parent, in which case Mercurial's merge machinery will resolve any conflicts if necessary. You can have more than one shelved change outstanding at a time; each shelved change has a distinct name. For details, see the help for "hg shelve". """ import collections import itertools from mercurial.i18n import _ from mercurial.node import nullid, nullrev, bin, hex from mercurial import changegroup, cmdutil, scmutil, phases, commands from mercurial import error, hg, mdiff, merge, patch, repair, util from mercurial import templatefilters, exchange, bundlerepo, bundle2 from mercurial import lock as lockmod from hgext import rebase import errno cmdtable = {} command = cmdutil.command(cmdtable) # Note for extension authors: ONLY specify testedwith = 'internal' for # extensions which SHIP WITH MERCURIAL. Non-mainline extensions should # be specifying the version(s) of Mercurial they are tested with, or # leave the attribute unspecified. testedwith = 'internal' backupdir = 'shelve-backup' class shelvedfile(object): """Helper for the file storing a single shelve Handles common functions on shelve files (.hg/.patch) using the vfs layer""" def __init__(self, repo, name, filetype=None): self.repo = repo self.name = name self.vfs = scmutil.vfs(repo.join('shelved')) self.backupvfs = scmutil.vfs(repo.join(backupdir)) self.ui = self.repo.ui if filetype: self.fname = name + '.' + filetype else: self.fname = name def exists(self): return self.vfs.exists(self.fname) def filename(self): return self.vfs.join(self.fname) def backupfilename(self): def gennames(base): yield base base, ext = base.rsplit('.', 1) for i in itertools.count(1): yield '%s-%d.%s' % (base, i, ext) name = self.backupvfs.join(self.fname) for n in gennames(name): if not self.backupvfs.exists(n): return n def movetobackup(self): if not self.backupvfs.isdir(): self.backupvfs.makedir() util.rename(self.filename(), self.backupfilename()) def stat(self): return self.vfs.stat(self.fname) def opener(self, mode='rb'): try: return self.vfs(self.fname, mode) except IOError as err: if err.errno != errno.ENOENT: raise raise error.Abort(_("shelved change '%s' not found") % self.name) def applybundle(self): fp = self.opener() try: gen = exchange.readbundle(self.repo.ui, fp, self.fname, self.vfs) if not isinstance(gen, bundle2.unbundle20): gen.apply(self.repo, 'unshelve', 'bundle:' + self.vfs.join(self.fname), targetphase=phases.secret) if isinstance(gen, bundle2.unbundle20): bundle2.applybundle(self.repo, gen, self.repo.currenttransaction(), source='unshelve', url='bundle:' + self.vfs.join(self.fname)) finally: fp.close() def bundlerepo(self): return bundlerepo.bundlerepository(self.repo.baseui, self.repo.root, self.vfs.join(self.fname)) def writebundle(self, bases, node): btype = 'HG10BZ' cgversion = '01' compression = None if 'generaldelta' in self.repo.requirements: btype = 'HG20' cgversion = '02' compression = 'BZ' cg = changegroup.changegroupsubset(self.repo, bases, [node], 'shelve', version=cgversion) changegroup.writebundle(self.ui, cg, self.fname, btype, self.vfs, compression=compression) class shelvedstate(object): """Handle persistence during unshelving operations. Handles saving and restoring a shelved state. Ensures that different versions of a shelved state are possible and handles them appropriately. """ _version = 1 _filename = 'shelvedstate' @classmethod def load(cls, repo): fp = repo.vfs(cls._filename) try: version = int(fp.readline().strip()) if version != cls._version: raise error.Abort(_('this version of shelve is incompatible ' 'with the version used in this repo')) name = fp.readline().strip() wctx = fp.readline().strip() pendingctx = fp.readline().strip() parents = [bin(h) for h in fp.readline().split()] stripnodes = [bin(h) for h in fp.readline().split()] finally: fp.close() obj = cls() obj.name = name obj.wctx = repo[bin(wctx)] obj.pendingctx = repo[bin(pendingctx)] obj.parents = parents obj.stripnodes = stripnodes return obj @classmethod def save(cls, repo, name, originalwctx, pendingctx, stripnodes): fp = repo.vfs(cls._filename, 'wb') fp.write('%i\n' % cls._version) fp.write('%s\n' % name) fp.write('%s\n' % hex(originalwctx.node())) fp.write('%s\n' % hex(pendingctx.node())) fp.write('%s\n' % ' '.join([hex(p) for p in repo.dirstate.parents()])) fp.write('%s\n' % ' '.join([hex(n) for n in stripnodes])) fp.close() @classmethod def clear(cls, repo): util.unlinkpath(repo.join(cls._filename), ignoremissing=True) def cleanupoldbackups(repo): vfs = scmutil.vfs(repo.join(backupdir)) maxbackups = repo.ui.configint('shelve', 'maxbackups', 10) hgfiles = [f for f in vfs.listdir() if f.endswith('.hg')] hgfiles = sorted([(vfs.stat(f).st_mtime, f) for f in hgfiles]) if 0 < maxbackups and maxbackups < len(hgfiles): bordermtime = hgfiles[-maxbackups][0] else: bordermtime = None for mtime, f in hgfiles[:len(hgfiles) - maxbackups]: if mtime == bordermtime: # keep it, because timestamp can't decide exact order of backups continue base = f[:-3] for ext in 'hg patch'.split(): try: vfs.unlink(base + '.' + ext) except OSError as err: if err.errno != errno.ENOENT: raise def _aborttransaction(repo): '''Abort current transaction for shelve/unshelve, but keep dirstate ''' backupname = 'dirstate.shelve' dirstatebackup = None try: # create backup of (un)shelved dirstate, because aborting transaction # should restore dirstate to one at the beginning of the # transaction, which doesn't include the result of (un)shelving fp = repo.vfs.open(backupname, "w") dirstatebackup = backupname # clearing _dirty/_dirtypl of dirstate by _writedirstate below # is unintentional. but it doesn't cause problem in this case, # because no code path refers them until transaction is aborted. repo.dirstate._writedirstate(fp) # write in-memory changes forcibly tr = repo.currenttransaction() tr.abort() # restore to backuped dirstate repo.vfs.rename(dirstatebackup, 'dirstate') dirstatebackup = None finally: if dirstatebackup: repo.vfs.unlink(dirstatebackup) def createcmd(ui, repo, pats, opts): """subcommand that creates a new shelve""" wlock = repo.wlock() try: cmdutil.checkunfinished(repo) return _docreatecmd(ui, repo, pats, opts) finally: lockmod.release(wlock) def _docreatecmd(ui, repo, pats, opts): def mutableancestors(ctx): """return all mutable ancestors for ctx (included) Much faster than the revset ancestors(ctx) & draft()""" seen = set([nullrev]) visit = collections.deque() visit.append(ctx) while visit: ctx = visit.popleft() yield ctx.node() for parent in ctx.parents(): rev = parent.rev() if rev not in seen: seen.add(rev) if parent.mutable(): visit.append(parent) wctx = repo[None] parents = wctx.parents() if len(parents) > 1: raise error.Abort(_('cannot shelve while merging')) parent = parents[0] # we never need the user, so we use a generic user for all shelve operations user = 'shelve@localhost' label = repo._activebookmark or parent.branch() or 'default' # slashes aren't allowed in filenames, therefore we rename it label = label.replace('/', '_') def gennames(): yield label for i in xrange(1, 100): yield '%s-%02d' % (label, i) def commitfunc(ui, repo, message, match, opts): hasmq = util.safehasattr(repo, 'mq') if hasmq: saved, repo.mq.checkapplied = repo.mq.checkapplied, False backup = repo.ui.backupconfig('phases', 'new-commit') try: repo.ui. setconfig('phases', 'new-commit', phases.secret) editor = cmdutil.getcommiteditor(editform='shelve.shelve', **opts) return repo.commit(message, user, opts.get('date'), match, editor=editor) finally: repo.ui.restoreconfig(backup) if hasmq: repo.mq.checkapplied = saved if parent.node() != nullid: desc = "changes to: %s" % parent.description().split('\n', 1)[0] else: desc = '(changes in empty repository)' if not opts['message']: opts['message'] = desc name = opts['name'] lock = tr = None try: lock = repo.lock() # use an uncommitted transaction to generate the bundle to avoid # pull races. ensure we don't print the abort message to stderr. tr = repo.transaction('commit', report=lambda x: None) if name: if shelvedfile(repo, name, 'hg').exists(): raise error.Abort(_("a shelved change named '%s' already exists" ) % name) else: for n in gennames(): if not shelvedfile(repo, n, 'hg').exists(): name = n break else: raise error.Abort(_("too many shelved changes named '%s'") % label) # ensure we are not creating a subdirectory or a hidden file if '/' in name or '\\' in name: raise error.Abort(_('shelved change names may not contain slashes')) if name.startswith('.'): raise error.Abort(_("shelved change names may not start with '.'")) interactive = opts.get('interactive', False) def interactivecommitfunc(ui, repo, *pats, **opts): match = scmutil.match(repo['.'], pats, {}) message = opts['message'] return commitfunc(ui, repo, message, match, opts) if not interactive: node = cmdutil.commit(ui, repo, commitfunc, pats, opts) else: node = cmdutil.dorecord(ui, repo, interactivecommitfunc, None, False, cmdutil.recordfilter, *pats, **opts) if not node: stat = repo.status(match=scmutil.match(repo[None], pats, opts)) if stat.deleted: ui.status(_("nothing changed (%d missing files, see " "'hg status')\n") % len(stat.deleted)) else: ui.status(_("nothing changed\n")) return 1 bases = list(mutableancestors(repo[node])) shelvedfile(repo, name, 'hg').writebundle(bases, node) cmdutil.export(repo, [node], fp=shelvedfile(repo, name, 'patch').opener('wb'), opts=mdiff.diffopts(git=True)) if ui.formatted(): desc = util.ellipsis(desc, ui.termwidth()) ui.status(_('shelved as %s\n') % name) hg.update(repo, parent.node()) _aborttransaction(repo) finally: lockmod.release(tr, lock) def cleanupcmd(ui, repo): """subcommand that deletes all shelves""" wlock = None try: wlock = repo.wlock() for (name, _type) in repo.vfs.readdir('shelved'): suffix = name.rsplit('.', 1)[-1] if suffix in ('hg', 'patch'): shelvedfile(repo, name).movetobackup() cleanupoldbackups(repo) finally: lockmod.release(wlock) def deletecmd(ui, repo, pats): """subcommand that deletes a specific shelve""" if not pats: raise error.Abort(_('no shelved changes specified!')) wlock = repo.wlock() try: for name in pats: for suffix in 'hg patch'.split(): shelvedfile(repo, name, suffix).movetobackup() cleanupoldbackups(repo) except OSError as err: if err.errno != errno.ENOENT: raise raise error.Abort(_("shelved change '%s' not found") % name) finally: lockmod.release(wlock) def listshelves(repo): """return all shelves in repo as list of (time, filename)""" try: names = repo.vfs.readdir('shelved') except OSError as err: if err.errno != errno.ENOENT: raise return [] info = [] for (name, _type) in names: pfx, sfx = name.rsplit('.', 1) if not pfx or sfx != 'patch': continue st = shelvedfile(repo, name).stat() info.append((st.st_mtime, shelvedfile(repo, pfx).filename())) return sorted(info, reverse=True) def listcmd(ui, repo, pats, opts): """subcommand that displays the list of shelves""" pats = set(pats) width = 80 if not ui.plain(): width = ui.termwidth() namelabel = 'shelve.newest' for mtime, name in listshelves(repo): sname = util.split(name)[1] if pats and sname not in pats: continue ui.write(sname, label=namelabel) namelabel = 'shelve.name' if ui.quiet: ui.write('\n') continue ui.write(' ' * (16 - len(sname))) used = 16 age = '(%s)' % templatefilters.age(util.makedate(mtime), abbrev=True) ui.write(age, label='shelve.age') ui.write(' ' * (12 - len(age))) used += 12 fp = open(name + '.patch', 'rb') try: while True: line = fp.readline() if not line: break if not line.startswith('#'): desc = line.rstrip() if ui.formatted(): desc = util.ellipsis(desc, width - used) ui.write(desc) break ui.write('\n') if not (opts['patch'] or opts['stat']): continue difflines = fp.readlines() if opts['patch']: for chunk, label in patch.difflabel(iter, difflines): ui.write(chunk, label=label) if opts['stat']: for chunk, label in patch.diffstatui(difflines, width=width, git=True): ui.write(chunk, label=label) finally: fp.close() def singlepatchcmds(ui, repo, pats, opts, subcommand): """subcommand that displays a single shelf""" if len(pats) != 1: raise error.Abort(_("--%s expects a single shelf") % subcommand) shelfname = pats[0] if not shelvedfile(repo, shelfname, 'patch').exists(): raise error.Abort(_("cannot find shelf %s") % shelfname) listcmd(ui, repo, pats, opts) def checkparents(repo, state): """check parent while resuming an unshelve""" if state.parents != repo.dirstate.parents(): raise error.Abort(_('working directory parents do not match unshelve ' 'state')) def pathtofiles(repo, files): cwd = repo.getcwd() return [repo.pathto(f, cwd) for f in files] def unshelveabort(ui, repo, state, opts): """subcommand that abort an in-progress unshelve""" lock = None try: checkparents(repo, state) util.rename(repo.join('unshelverebasestate'), repo.join('rebasestate')) try: rebase.rebase(ui, repo, **{ 'abort' : True }) except Exception: util.rename(repo.join('rebasestate'), repo.join('unshelverebasestate')) raise lock = repo.lock() mergefiles(ui, repo, state.wctx, state.pendingctx) repair.strip(ui, repo, state.stripnodes, backup=False, topic='shelve') finally: shelvedstate.clear(repo) ui.warn(_("unshelve of '%s' aborted\n") % state.name) lockmod.release(lock) def mergefiles(ui, repo, wctx, shelvectx): """updates to wctx and merges the changes from shelvectx into the dirstate.""" oldquiet = ui.quiet try: ui.quiet = True hg.update(repo, wctx.node()) files = [] files.extend(shelvectx.files()) files.extend(shelvectx.parents()[0].files()) # revert will overwrite unknown files, so move them out of the way for file in repo.status(unknown=True).unknown: if file in files: util.rename(file, cmdutil.origpath(ui, repo, file)) ui.pushbuffer(True) cmdutil.revert(ui, repo, shelvectx, repo.dirstate.parents(), *pathtofiles(repo, files), **{'no_backup': True}) ui.popbuffer() finally: ui.quiet = oldquiet def unshelvecleanup(ui, repo, name, opts): """remove related files after an unshelve""" if not opts['keep']: for filetype in 'hg patch'.split(): shelvedfile(repo, name, filetype).movetobackup() cleanupoldbackups(repo) def unshelvecontinue(ui, repo, state, opts): """subcommand to continue an in-progress unshelve""" # We're finishing off a merge. First parent is our original # parent, second is the temporary "fake" commit we're unshelving. lock = None try: checkparents(repo, state) ms = merge.mergestate.read(repo) if [f for f in ms if ms[f] == 'u']: raise error.Abort( _("unresolved conflicts, can't continue"), hint=_("see 'hg resolve', then 'hg unshelve --continue'")) lock = repo.lock() util.rename(repo.join('unshelverebasestate'), repo.join('rebasestate')) try: rebase.rebase(ui, repo, **{ 'continue' : True }) except Exception: util.rename(repo.join('rebasestate'), repo.join('unshelverebasestate')) raise shelvectx = repo['tip'] if not shelvectx in state.pendingctx.children(): # rebase was a no-op, so it produced no child commit shelvectx = state.pendingctx else: # only strip the shelvectx if the rebase produced it state.stripnodes.append(shelvectx.node()) mergefiles(ui, repo, state.wctx, shelvectx) repair.strip(ui, repo, state.stripnodes, backup=False, topic='shelve') shelvedstate.clear(repo) unshelvecleanup(ui, repo, state.name, opts) ui.status(_("unshelve of '%s' complete\n") % state.name) finally: lockmod.release(lock) @command('unshelve', [('a', 'abort', None, _('abort an incomplete unshelve operation')), ('c', 'continue', None, _('continue an incomplete unshelve operation')), ('k', 'keep', None, _('keep shelve after unshelving')), ('t', 'tool', '', _('specify merge tool')), ('', 'date', '', _('set date for temporary commits (DEPRECATED)'), _('DATE'))], _('hg unshelve [SHELVED]')) def unshelve(ui, repo, *shelved, **opts): """restore a shelved change to the working directory This command accepts an optional name of a shelved change to restore. If none is given, the most recent shelved change is used. If a shelved change is applied successfully, the bundle that contains the shelved changes is moved to a backup location (.hg/shelve-backup). Since you can restore a shelved change on top of an arbitrary commit, it is possible that unshelving will result in a conflict between your changes and the commits you are unshelving onto. If this occurs, you must resolve the conflict, then use ``--continue`` to complete the unshelve operation. (The bundle will not be moved until you successfully complete the unshelve.) (Alternatively, you can use ``--abort`` to abandon an unshelve that causes a conflict. This reverts the unshelved changes, and leaves the bundle in place.) After a successful unshelve, the shelved changes are stored in a backup directory. Only the N most recent backups are kept. N defaults to 10 but can be overridden using the ``shelve.maxbackups`` configuration option. .. container:: verbose Timestamp in seconds is used to decide order of backups. More than ``maxbackups`` backups are kept, if same timestamp prevents from deciding exact order of them, for safety. """ wlock = repo.wlock() try: return _dounshelve(ui, repo, *shelved, **opts) finally: lockmod.release(wlock) def _dounshelve(ui, repo, *shelved, **opts): abortf = opts['abort'] continuef = opts['continue'] if not abortf and not continuef: cmdutil.checkunfinished(repo) if abortf or continuef: if abortf and continuef: raise error.Abort(_('cannot use both abort and continue')) if shelved: raise error.Abort(_('cannot combine abort/continue with ' 'naming a shelved change')) if abortf and opts.get('tool', False): ui.warn(_('tool option will be ignored\n')) try: state = shelvedstate.load(repo) except IOError as err: if err.errno != errno.ENOENT: raise raise error.Abort(_('no unshelve operation underway')) if abortf: return unshelveabort(ui, repo, state, opts) elif continuef: return unshelvecontinue(ui, repo, state, opts) elif len(shelved) > 1: raise error.Abort(_('can only unshelve one change at a time')) elif not shelved: shelved = listshelves(repo) if not shelved: raise error.Abort(_('no shelved changes to apply!')) basename = util.split(shelved[0][1])[1] ui.status(_("unshelving change '%s'\n") % basename) else: basename = shelved[0] if not shelvedfile(repo, basename, 'patch').exists(): raise error.Abort(_("shelved change '%s' not found") % basename) oldquiet = ui.quiet lock = tr = None forcemerge = ui.backupconfig('ui', 'forcemerge') try: ui.setconfig('ui', 'forcemerge', opts.get('tool', ''), 'unshelve') lock = repo.lock() tr = repo.transaction('unshelve', report=lambda x: None) oldtiprev = len(repo) pctx = repo['.'] tmpwctx = pctx # The goal is to have a commit structure like so: # ...-> pctx -> tmpwctx -> shelvectx # where tmpwctx is an optional commit with the user's pending changes # and shelvectx is the unshelved changes. Then we merge it all down # to the original pctx. # Store pending changes in a commit s = repo.status() if s.modified or s.added or s.removed or s.deleted: ui.status(_("temporarily committing pending changes " "(restore with 'hg unshelve --abort')\n")) def commitfunc(ui, repo, message, match, opts): hasmq = util.safehasattr(repo, 'mq') if hasmq: saved, repo.mq.checkapplied = repo.mq.checkapplied, False backup = repo.ui.backupconfig('phases', 'new-commit') try: repo.ui.setconfig('phases', 'new-commit', phases.secret) return repo.commit(message, 'shelve@localhost', opts.get('date'), match) finally: repo.ui.restoreconfig(backup) if hasmq: repo.mq.checkapplied = saved tempopts = {} tempopts['message'] = "pending changes temporary commit" tempopts['date'] = opts.get('date') ui.quiet = True node = cmdutil.commit(ui, repo, commitfunc, [], tempopts) tmpwctx = repo[node] ui.quiet = True shelvedfile(repo, basename, 'hg').applybundle() ui.quiet = oldquiet shelvectx = repo['tip'] # If the shelve is not immediately on top of the commit # we'll be merging with, rebase it to be on top. if tmpwctx.node() != shelvectx.parents()[0].node(): ui.status(_('rebasing shelved changes\n')) try: rebase.rebase(ui, repo, **{ 'rev' : [shelvectx.rev()], 'dest' : str(tmpwctx.rev()), 'keep' : True, 'tool' : opts.get('tool', ''), }) except error.InterventionRequired: tr.close() stripnodes = [repo.changelog.node(rev) for rev in xrange(oldtiprev, len(repo))] shelvedstate.save(repo, basename, pctx, tmpwctx, stripnodes) util.rename(repo.join('rebasestate'), repo.join('unshelverebasestate')) raise error.InterventionRequired( _("unresolved conflicts (see 'hg resolve', then " "'hg unshelve --continue')")) # refresh ctx after rebase completes shelvectx = repo['tip'] if not shelvectx in tmpwctx.children(): # rebase was a no-op, so it produced no child commit shelvectx = tmpwctx mergefiles(ui, repo, pctx, shelvectx) shelvedstate.clear(repo) # The transaction aborting will strip all the commits for us, # but it doesn't update the inmemory structures, so addchangegroup # hooks still fire and try to operate on the missing commits. # Clean up manually to prevent this. repo.unfiltered().changelog.strip(oldtiprev, tr) unshelvecleanup(ui, repo, basename, opts) _aborttransaction(repo) finally: ui.quiet = oldquiet if tr: tr.release() lockmod.release(lock) ui.restoreconfig(forcemerge) @command('shelve', [('A', 'addremove', None, _('mark new/missing files as added/removed before shelving')), ('', 'cleanup', None, _('delete all shelved changes')), ('', 'date', '', _('shelve with the specified commit date'), _('DATE')), ('d', 'delete', None, _('delete the named shelved change(s)')), ('e', 'edit', False, _('invoke editor on commit messages')), ('l', 'list', None, _('list current shelves')), ('m', 'message', '', _('use text as shelve message'), _('TEXT')), ('n', 'name', '', _('use the given name for the shelved commit'), _('NAME')), ('p', 'patch', None, _('show patch')), ('i', 'interactive', None, _('interactive mode, only works while creating a shelve')), ('', 'stat', None, _('output diffstat-style summary of changes'))] + commands.walkopts, _('hg shelve [OPTION]... [FILE]...')) def shelvecmd(ui, repo, *pats, **opts): '''save and set aside changes from the working directory Shelving takes files that "hg status" reports as not clean, saves the modifications to a bundle (a shelved change), and reverts the files so that their state in the working directory becomes clean. To restore these changes to the working directory, using "hg unshelve"; this will work even if you switch to a different commit. When no files are specified, "hg shelve" saves all not-clean files. If specific files or directories are named, only changes to those files are shelved. Each shelved change has a name that makes it easier to find later. The name of a shelved change defaults to being based on the active bookmark, or if there is no active bookmark, the current named branch. To specify a different name, use ``--name``. To see a list of existing shelved changes, use the ``--list`` option. For each shelved change, this will print its name, age, and description; use ``--patch`` or ``--stat`` for more details. To delete specific shelved changes, use ``--delete``. To delete all shelved changes, use ``--cleanup``. ''' allowables = [ ('addremove', set(['create'])), # 'create' is pseudo action ('cleanup', set(['cleanup'])), # ('date', set(['create'])), # ignored for passing '--date "0 0"' in tests ('delete', set(['delete'])), ('edit', set(['create'])), ('list', set(['list'])), ('message', set(['create'])), ('name', set(['create'])), ('patch', set(['patch', 'list'])), ('stat', set(['stat', 'list'])), ] def checkopt(opt): if opts[opt]: for i, allowable in allowables: if opts[i] and opt not in allowable: raise error.Abort(_("options '--%s' and '--%s' may not be " "used together") % (opt, i)) return True if checkopt('cleanup'): if pats: raise error.Abort(_("cannot specify names when using '--cleanup'")) return cleanupcmd(ui, repo) elif checkopt('delete'): return deletecmd(ui, repo, pats) elif checkopt('list'): return listcmd(ui, repo, pats, opts) elif checkopt('patch'): return singlepatchcmds(ui, repo, pats, opts, subcommand='patch') elif checkopt('stat'): return singlepatchcmds(ui, repo, pats, opts, subcommand='stat') else: return createcmd(ui, repo, pats, opts) def extsetup(ui): cmdutil.unfinishedstates.append( [shelvedstate._filename, False, False, _('unshelve already in progress'), _("use 'hg unshelve --continue' or 'hg unshelve --abort'")])