share.py
74 lines
| 2.3 KiB
| text/x-python
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PythonLexer
/ hgext / share.py
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r8801 | # Copyright 2006, 2007 Matt Mackall <mpm@selenic.com> | ||
# | ||||
# This software may be used and distributed according to the terms of the | ||||
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r10263 | # GNU General Public License version 2 or any later version. | ||
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r8801 | |||
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r8894 | '''share a common history between several working directories''' | ||
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r8873 | |||
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r8801 | from mercurial.i18n import _ | ||
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r15079 | from mercurial import hg, commands, util | ||
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r16743 | testedwith = 'internal' | ||
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r8807 | def share(ui, source, dest=None, noupdate=False): | ||
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r10798 | """create a new shared repository | ||
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r8801 | |||
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r9273 | Initialize a new repository and working directory that shares its | ||
history with another repository. | ||||
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r8801 | |||
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r12389 | .. 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 | ||||
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r19399 | the broken clone to reset it to a changeset that still exists. | ||
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r8801 | """ | ||
return hg.share(ui, source, dest, not noupdate) | ||||
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r15079 | 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 | ||||
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r18825 | repo.__init__(repo.baseui, repo.root) | ||
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r15079 | |||
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r8801 | cmdtable = { | ||
"share": | ||||
(share, | ||||
[('U', 'noupdate', None, _('do not create a working copy'))], | ||||
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r8807 | _('[-U] SOURCE [DEST]')), | ||
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r15079 | "unshare": | ||
(unshare, | ||||
[], | ||||
''), | ||||
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r8801 | } | ||
commands.norepo += " share" | ||||