Mercurial > hg
view contrib/lock-checker.py @ 21156:2bfb0598206a
bundle2: call a hook after the transaction is closed
We call a dedicated hook right after closing the transaction. This will let
people react to the transaction with all the information in hand. This hook is
experimental and will not survive in future versions.
author | Pierre-Yves David <pierre-yves.david@fb.com> |
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date | Thu, 17 Apr 2014 17:59:28 -0400 |
parents | 47d0843647d1 |
children |
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"""Extension to verify locks are obtained in the required places. This works by wrapping functions that should be surrounded by a lock and asserting the lock is held. Missing locks are called out with a traceback printed to stderr. This currently only checks store locks, not working copy locks. """ import os from mercurial import util def _checklock(repo): l = repo._lockref and repo._lockref() if l is None or not l.held: util.debugstacktrace('missing lock', skip=1) def reposetup(ui, repo): orig = repo.__class__ class lockcheckrepo(repo.__class__): def _writejournal(self, *args, **kwargs): _checklock(self) return orig._writejournal(self, *args, **kwargs) def transaction(self, *args, **kwargs): _checklock(self) return orig.transaction(self, *args, **kwargs) # TODO(durin42): kiilerix had a commented-out lock check in # _writebranchcache and _writerequirements def _tag(self, *args, **kwargs): _checklock(self) return orig._tag(self, *args, **kwargs) def write(self, *args, **kwargs): assert os.path.lexists(self._join('.hg/wlock')) return orig.write(self, *args, **kwargs) repo.__class__ = lockcheckrepo