Mercurial > hg
view hgext/share.py @ 21635:5f2cc464e502
convert: introduce hascommitfrommap sink method
Mercurial has stable revision identifiers and rollback and strip. Revisions
referenced in the shamap are thus not necessarily still present but we can
easily check for it.
Subversion do not have stable identifiers and no rollback or strip(?). We must
thus assume that all revisions referenced from a shamap still must be present.
This method is similar to hascommitforsplicemap but different ...
author | Mads Kiilerich <madski@unity3d.com> |
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date | Mon, 19 May 2014 22:12:30 +0200 |
parents | d2ce7a20fe86 |
children | 5a4d1a6c605f |
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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, commands, util cmdtable = {} command = cmdutil.command(cmdtable) testedwith = 'internal' @command('share', [('U', 'noupdate', None, _('do not create a working copy'))], _('[-U] SOURCE [DEST]')) 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) commands.norepo += " share"