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hg: acquire wlock while updating the working directory via updatetotally...
hg: acquire wlock while updating the working directory via updatetotally updatetotally() might be invoked outside wlock scope (e.g. invocation via postincoming() at "hg unbundle" or "hg pull"). In such case, acquisition of wlock is needed for consistent view, because parallel "hg update" and/or "hg bookmarks" might change working directory status while executing updatetotally(). Strictly speaking, truly consistent updating should acquire also store lock, because active bookmark might be moved to another one outside wlock scope (e.g. pulling from other repository causes updating current active one). Acquisition of wlock in this patch ensures consistency in as same level as past "hg update".

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test-devel-warnings.t
166 lines | 6.6 KiB | text/troff | Tads3Lexer
/ tests / test-devel-warnings.t
Pierre-Yves David
devel: move the lock-checking code into core...
r24386
$ cat << EOF > buggylocking.py
Pierre-Yves David
test: update the docstring of 'test-devel-warnings.t' extension...
r27270 > """A small extension that tests our developer warnings
Pierre-Yves David
devel: move the lock-checking code into core...
r24386 > """
>
Pierre-Yves David
devel-warn: issue a warning for old style revsets...
r25630 > from mercurial import cmdutil, repair, revset
Pierre-Yves David
devel: move the lock-checking code into core...
r24386 >
> cmdtable = {}
> command = cmdutil.command(cmdtable)
>
> @command('buggylocking', [], '')
> def buggylocking(ui, repo):
Pierre-Yves David
devel: also warn about transaction started without a lock...
r24388 > tr = repo.transaction('buggy')
Pierre-Yves David
devel: move the lock-checking code into core...
r24386 > lo = repo.lock()
> wl = repo.wlock()
Matt Mackall
tests: avoid deprecation warning
r24392 > wl.release()
> lo.release()
Pierre-Yves David
wlock: only issue devel warning when actually acquiring the lock...
r24744 >
> @command('properlocking', [], '')
> def properlocking(ui, repo):
> """check that reentrance is fine"""
> wl = repo.wlock()
> lo = repo.lock()
> tr = repo.transaction('proper')
> tr2 = repo.transaction('proper')
> lo2 = repo.lock()
> wl2 = repo.wlock()
> wl2.release()
> lo2.release()
> tr2.close()
> tr.close()
> lo.release()
> wl.release()
Pierre-Yves David
wlock: do not warn for non-wait locking...
r24750 >
> @command('nowaitlocking', [], '')
> def nowaitlocking(ui, repo):
> lo = repo.lock()
> wl = repo.wlock(wait=False)
> wl.release()
> lo.release()
Pierre-Yves David
repair: forbid strip from inside a transaction...
r25300 >
> @command('stripintr', [], '')
> def stripintr(ui, repo):
> lo = repo.lock()
> tr = repo.transaction('foobar')
> try:
> repair.strip(repo.ui, repo, [repo['.'].node()])
> finally:
> lo.release()
Pierre-Yves David
ui: add a 'deprecwarn' helper to issue deprecation warnings...
r27275 > @command('oldanddeprecated', [], '')
> def oldanddeprecated(ui, repo):
> """test deprecation warning API"""
> def foobar(ui):
> ui.deprecwarn('foorbar is deprecated, go shopping', '42.1337')
> foobar(ui)
Pierre-Yves David
devel-warn: issue a warning for old style revsets...
r25630 >
> def oldstylerevset(repo, subset, x):
> return list(subset)
>
> revset.symbols['oldstyle'] = oldstylerevset
Pierre-Yves David
devel: move the lock-checking code into core...
r24386 > EOF
$ cat << EOF >> $HGRCPATH
> [extensions]
> buggylocking=$TESTTMP/buggylocking.py
timeless
ui: log devel warnings
r28498 > mock=$TESTDIR/mockblackbox.py
> blackbox=
Pierre-Yves David
devel: move the lock-checking code into core...
r24386 > [devel]
Pierre-Yves David
devel: rename 'all' to 'all-warnings' (BC)...
r25290 > all-warnings=1
Pierre-Yves David
devel: move the lock-checking code into core...
r24386 > EOF
$ hg init lock-checker
$ cd lock-checker
$ hg buggylocking
timeless
tests: relax test-devel-warnings to reduce false positives...
r28016 devel-warn: transaction with no lock at: $TESTTMP/buggylocking.py:* (buggylocking) (glob)
devel-warn: "wlock" acquired after "lock" at: $TESTTMP/buggylocking.py:* (buggylocking) (glob)
Pierre-Yves David
devel: move the lock-checking code into core...
r24386 $ cat << EOF >> $HGRCPATH
> [devel]
> all=0
> check-locks=1
> EOF
$ hg buggylocking
timeless
tests: relax test-devel-warnings to reduce false positives...
r28016 devel-warn: transaction with no lock at: $TESTTMP/buggylocking.py:* (buggylocking) (glob)
devel-warn: "wlock" acquired after "lock" at: $TESTTMP/buggylocking.py:* (buggylocking) (glob)
Pierre-Yves David
devel: move the lock-checking code into core...
r24386 $ hg buggylocking --traceback
Pierre-Yves David
devel-warn: add a prefix to all messages ("devel-warn: ")...
r24755 devel-warn: transaction with no lock at:
Matt Mackall
tests: fix py2.4 glob for devel warnings
r24555 */hg:* in * (glob)
Pierre-Yves David
devel: also warn about transaction started without a lock...
r24388 */mercurial/dispatch.py:* in run (glob)
*/mercurial/dispatch.py:* in dispatch (glob)
*/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)
Pierre-Yves David
devel-warn: add a prefix to all messages ("devel-warn: ")...
r24755 devel-warn: "wlock" acquired after "lock" at:
Matt Mackall
tests: fix py2.4 glob for devel warnings
r24555 */hg:* in * (glob)
Pierre-Yves David
devel: move the lock-checking code into core...
r24386 */mercurial/dispatch.py:* in run (glob)
*/mercurial/dispatch.py:* in dispatch (glob)
*/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)
Pierre-Yves David
wlock: only issue devel warning when actually acquiring the lock...
r24744 $ hg properlocking
Pierre-Yves David
wlock: do not warn for non-wait locking...
r24750 $ hg nowaitlocking
Pierre-Yves David
repair: forbid strip from inside a transaction...
r25300
$ echo a > a
$ hg add a
$ hg commit -m a
$ hg stripintr
timeless
tests: relax test-devel-warnings to reduce false positives...
r28016 saved backup bundle to $TESTTMP/lock-checker/.hg/strip-backup/*-backup.hg (glob)
Pierre-Yves David
repair: forbid strip from inside a transaction...
r25300 abort: programming error: cannot strip from inside a transaction
(contact your extension maintainer)
[255]
Pierre-Yves David
devel-warn: issue a warning for old style revsets...
r25630 $ hg log -r "oldstyle()" -T '{rev}\n'
devel-warn: revset "oldstyle" use list instead of smartset, (upgrade your code) at: */mercurial/revset.py:* (mfunc) (glob)
0
Pierre-Yves David
ui: add a 'deprecwarn' helper to issue deprecation warnings...
r27275 $ hg oldanddeprecated
devel-warn: foorbar is deprecated, go shopping
timeless
tests: relax test-devel-warnings to reduce false positives...
r28016 (compatibility will be dropped after Mercurial-42.1337, update your code.) at: $TESTTMP/buggylocking.py:* (oldanddeprecated) (glob)
Pierre-Yves David
devel-warn: issue a warning for old style revsets...
r25630
Pierre-Yves David
ui: add a 'deprecwarn' helper to issue deprecation warnings...
r27275 $ hg oldanddeprecated --traceback
devel-warn: foorbar is deprecated, go shopping
(compatibility will be dropped after Mercurial-42.1337, update your code.) at:
*/hg:* in <module> (glob)
*/mercurial/dispatch.py:* in run (glob)
*/mercurial/dispatch.py:* in dispatch (glob)
*/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 oldanddeprecated (glob)
timeless
ui: log devel warnings
r28498 $ hg blackbox -l 9
1970/01/01 00:00:00 bob @cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b (5000)> devel-warn: revset "oldstyle" use list instead of smartset, (upgrade your code) at: */mercurial/revset.py:* (mfunc) (glob)
1970/01/01 00:00:00 bob @cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b (5000)> log -r oldstyle() -T {rev}\n exited 0 after * seconds (glob)
1970/01/01 00:00:00 bob @cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b (5000)> oldanddeprecated
1970/01/01 00:00:00 bob @cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b (5000)> devel-warn: foorbar is deprecated, go shopping
(compatibility will be dropped after Mercurial-42.1337, update your code.) at: $TESTTMP/buggylocking.py:* (oldanddeprecated) (glob)
1970/01/01 00:00:00 bob @cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b (5000)> oldanddeprecated exited 0 after * seconds (glob)
1970/01/01 00:00:00 bob @cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b (5000)> oldanddeprecated --traceback
1970/01/01 00:00:00 bob @cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b (5000)> devel-warn: foorbar is deprecated, go shopping
(compatibility will be dropped after Mercurial-42.1337, update your code.) at:
*/hg:* in <module> (glob)
*/mercurial/dispatch.py:* in run (glob)
*/mercurial/dispatch.py:* in dispatch (glob)
*/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 oldanddeprecated (glob)
1970/01/01 00:00:00 bob @cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b (5000)> oldanddeprecated --traceback exited 0 after * seconds (glob)
1970/01/01 00:00:00 bob @cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b (5000)> blackbox -l 9
Pierre-Yves David
devel: move the lock-checking code into core...
r24386 $ cd ..