Mercurial > hg
view hgext/share.py @ 24217:d2b81256db1e
error: add a new UnknownIdentifier error type
This will be used by the revset and fileset code to communicate more
specific errors to higher levels so that we might be able to offer
suggestions about what function might have been similar.
author | Augie Fackler <augie@google.com> |
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date | Mon, 26 Jan 2015 14:31:01 -0500 |
parents | 7e71898a7cdc |
children | 135b23868f45 |
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# Copyright 2006, 2007 Matt Mackall <mpm@selenic.com> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. '''share a common history between several working directories''' from mercurial.i18n import _ from mercurial import cmdutil, hg, util, extensions, bookmarks from mercurial.hg import repository, parseurl import errno cmdtable = {} command = cmdutil.command(cmdtable) testedwith = 'internal' @command('share', [('U', 'noupdate', None, _('do not create a working copy')), ('B', 'bookmarks', None, _('also share bookmarks'))], _('[-U] [-B] SOURCE [DEST]'), norepo=True) def share(ui, source, dest=None, noupdate=False, bookmarks=False): """create a new shared repository Initialize a new repository and working directory that shares its history (and optionally bookmarks) with another repository. .. note:: using rollback or extensions that destroy/modify history (mq, rebase, etc.) can cause considerable confusion with shared clones. In particular, if two shared clones are both updated to the same changeset, and one of them destroys that changeset with rollback, the other clone will suddenly stop working: all operations will fail with "abort: working directory has unknown parent". The only known workaround is to use debugsetparents on the broken clone to reset it to a changeset that still exists. """ return hg.share(ui, source, dest, not noupdate, bookmarks) @command('unshare', [], '') def unshare(ui, repo): """convert a shared repository to a normal one Copy the store data to the repo and remove the sharedpath data. """ if not repo.shared(): raise util.Abort(_("this is not a shared repo")) destlock = lock = None lock = repo.lock() try: # we use locks here because if we race with commit, we # can end up with extra data in the cloned revlogs that's # not pointed to by changesets, thus causing verify to # fail destlock = hg.copystore(ui, repo, repo.path) sharefile = repo.join('sharedpath') util.rename(sharefile, sharefile + '.old') repo.requirements.discard('sharedpath') repo._writerequirements() finally: destlock and destlock.release() lock and lock.release() # update store, spath, sopener and sjoin of repo repo.unfiltered().__init__(repo.baseui, repo.root) def extsetup(ui): extensions.wrapfunction(bookmarks.bmstore, 'getbkfile', getbkfile) extensions.wrapfunction(bookmarks.bmstore, 'recordchange', recordchange) extensions.wrapfunction(bookmarks.bmstore, 'write', write) def _hassharedbookmarks(repo): """Returns whether this repo has shared bookmarks""" try: shared = repo.vfs.read('shared').splitlines() except IOError, inst: if inst.errno != errno.ENOENT: raise return False return 'bookmarks' in shared def _getsrcrepo(repo): """ Returns the source repository object for a given shared repository. If repo is not a shared repository, return None. """ if repo.sharedpath == repo.path: return None # the sharedpath always ends in the .hg; we want the path to the repo source = repo.vfs.split(repo.sharedpath)[0] srcurl, branches = parseurl(source) return repository(repo.ui, srcurl) def getbkfile(orig, self, repo): if _hassharedbookmarks(repo): srcrepo = _getsrcrepo(repo) if srcrepo is not None: repo = srcrepo return orig(self, repo) def recordchange(orig, self, tr): # Continue with write to local bookmarks file as usual orig(self, tr) if _hassharedbookmarks(self._repo): srcrepo = _getsrcrepo(self._repo) if srcrepo is not None: category = 'share-bookmarks' tr.addpostclose(category, lambda tr: self._writerepo(srcrepo)) def write(orig, self): # First write local bookmarks file in case we ever unshare orig(self) if _hassharedbookmarks(self._repo): srcrepo = _getsrcrepo(self._repo) if srcrepo is not None: self._writerepo(srcrepo)