Mercurial > hg
view hgext/share.py @ 22973:bcff9ecdaae0
encoding: avoid cyclic dependency around "parsers" in pure Python build
80f2b63dd83a brought "asciilower" and "import parsers" into
"encoding.py".
This works fine with "parsers" module in C implementation, but doesn't
with one in pure Python implementation, because the latter causes
cyclic dependency below and aborting execution:
util => i18n => encoding => parsers => util
This patch delays importing "parsers" module until it is really
needed, to avoid cyclic dependency around "parsers" in pure Python
build.
author | FUJIWARA Katsunori <foozy@lares.dti.ne.jp> |
---|---|
date | Fri, 17 Oct 2014 02:07:04 +0900 |
parents | 5a4d1a6c605f |
children | 141baca16059 |
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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 cmdtable = {} command = cmdutil.command(cmdtable) testedwith = 'internal' @command('share', [('U', 'noupdate', None, _('do not create a working copy'))], _('[-U] SOURCE [DEST]'), norepo=True) def share(ui, source, dest=None, noupdate=False): """create a new shared repository Initialize a new repository and working directory that shares its history 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) @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 repo.sharedpath == repo.path: 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)