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$ cat << EOF > buggylocking.py
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> """A small extension that acquire locks in the wrong order
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> """
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>
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> from mercurial import cmdutil
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>
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> cmdtable = {}
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> command = cmdutil.command(cmdtable)
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>
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> @command('buggylocking', [], '')
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> def buggylocking(ui, repo):
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> tr = repo.transaction('buggy')
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> lo = repo.lock()
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> wl = repo.wlock()
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> wl.release()
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> lo.release()
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>
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> @command('properlocking', [], '')
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> def properlocking(ui, repo):
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> """check that reentrance is fine"""
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> wl = repo.wlock()
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> lo = repo.lock()
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> tr = repo.transaction('proper')
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> tr2 = repo.transaction('proper')
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> lo2 = repo.lock()
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> wl2 = repo.wlock()
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> wl2.release()
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> lo2.release()
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> tr2.close()
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> tr.close()
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> lo.release()
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> wl.release()
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>
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> @command('nowaitlocking', [], '')
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> def nowaitlocking(ui, repo):
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> lo = repo.lock()
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> wl = repo.wlock(wait=False)
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> wl.release()
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> lo.release()
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> EOF
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$ cat << EOF >> $HGRCPATH
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> [extensions]
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> buggylocking=$TESTTMP/buggylocking.py
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> [devel]
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> all=1
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> EOF
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$ hg init lock-checker
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$ cd lock-checker
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$ hg buggylocking
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devel-warn: transaction with no lock at: $TESTTMP/buggylocking.py:11 (buggylocking)
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devel-warn: "wlock" acquired after "lock" at: $TESTTMP/buggylocking.py:13 (buggylocking)
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$ cat << EOF >> $HGRCPATH
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> [devel]
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> all=0
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> check-locks=1
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> EOF
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$ hg buggylocking
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devel-warn: transaction with no lock at: $TESTTMP/buggylocking.py:11 (buggylocking)
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devel-warn: "wlock" acquired after "lock" at: $TESTTMP/buggylocking.py:13 (buggylocking)
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$ hg buggylocking --traceback
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devel-warn: transaction with no lock at:
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*/hg:* in * (glob)
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*/mercurial/dispatch.py:* in run (glob)
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*/mercurial/dispatch.py:* in dispatch (glob)
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*/mercurial/dispatch.py:* in _runcatch (glob)
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*/mercurial/dispatch.py:* in _dispatch (glob)
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*/mercurial/dispatch.py:* in runcommand (glob)
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*/mercurial/dispatch.py:* in _runcommand (glob)
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*/mercurial/dispatch.py:* in checkargs (glob)
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*/mercurial/dispatch.py:* in <lambda> (glob)
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*/mercurial/util.py:* in check (glob)
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$TESTTMP/buggylocking.py:* in buggylocking (glob)
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|
devel-warn: "wlock" acquired after "lock" at:
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|
*/hg:* in * (glob)
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|
*/mercurial/dispatch.py:* in run (glob)
|
|
|
*/mercurial/dispatch.py:* in dispatch (glob)
|
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|
*/mercurial/dispatch.py:* in _runcatch (glob)
|
|
|
*/mercurial/dispatch.py:* in _dispatch (glob)
|
|
|
*/mercurial/dispatch.py:* in runcommand (glob)
|
|
|
*/mercurial/dispatch.py:* in _runcommand (glob)
|
|
|
*/mercurial/dispatch.py:* in checkargs (glob)
|
|
|
*/mercurial/dispatch.py:* in <lambda> (glob)
|
|
|
*/mercurial/util.py:* in check (glob)
|
|
|
$TESTTMP/buggylocking.py:* in buggylocking (glob)
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|
|
$ hg properlocking
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|
|
$ hg nowaitlocking
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$ cd ..
|
|
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|
