rank: compute property incrementally
This replaces the naive rank computation with a more efficient incremental
method, avoiding computing the whole ancestor set when possible.
Differential Revision: https://phab.mercurial-scm.org/D12143
#require no-chg
$ filterlog () {
> sed -e 's!^[0-9/]* [0-9:]* ([0-9]*)>!YYYY/MM/DD HH:MM:SS (PID)>!'
> }
ensure that failing ui.atexit handlers report sensibly
$ cat > $TESTTMP/bailatexit.py <<EOF
> from mercurial import util
> def bail():
> raise RuntimeError('ui.atexit handler exception')
>
> def extsetup(ui):
> ui.atexit(bail)
> EOF
$ hg -q --config extensions.bailatexit=$TESTTMP/bailatexit.py \
> help help
hg help [-eck] [-s PLATFORM] [TOPIC]
show help for a given topic or a help overview
error in exit handlers:
Traceback (most recent call last):
File "*/mercurial/dispatch.py", line *, in _runexithandlers (glob) (no-pyoxidizer !)
File "mercurial.dispatch", line *, in _runexithandlers (glob) (pyoxidizer !)
func(*args, **kwargs)
File "$TESTTMP/bailatexit.py", line *, in bail (glob)
raise RuntimeError('ui.atexit handler exception')
RuntimeError: ui.atexit handler exception
[255]
$ rm $TESTTMP/bailatexit.py
another bad extension
$ echo 'raise Exception("bit bucket overflow")' > badext.py
$ abspathexc=`pwd`/badext.py
$ cat >baddocext.py <<EOF
> """
> baddocext is bad
> """
> EOF
$ abspathdoc=`pwd`/baddocext.py
$ cat <<EOF >> $HGRCPATH
> [extensions]
> gpg =
> hgext.gpg =
> badext = $abspathexc
> baddocext = $abspathdoc
> badext2 =
> EOF
$ hg -q help help 2>&1 |grep extension
*** failed to import extension "badext" from $TESTTMP/badext.py: bit bucket overflow
*** failed to import extension "badext2": No module named 'badext2' (py3 !)
*** failed to import extension "badext2": No module named badext2 (no-py3 !)
show traceback
$ hg -q help help --traceback 2>&1 | egrep ' extension|^Exception|Traceback|ImportError|ModuleNotFound'
*** failed to import extension "badext" from $TESTTMP/badext.py: bit bucket overflow
Traceback (most recent call last):
Exception: bit bucket overflow
*** failed to import extension "badext2": No module named 'badext2' (py3 !)
*** failed to import extension "badext2": No module named badext2 (no-py3 !)
Traceback (most recent call last):
ImportError: No module named badext2 (no-py3 !)
ImportError: No module named 'hgext.badext2' (py3 no-py36 !)
ModuleNotFoundError: No module named 'hgext.badext2' (py36 !)
Traceback (most recent call last): (py3 !)
ImportError: No module named 'hgext3rd.badext2' (py3 no-py36 !)
ModuleNotFoundError: No module named 'hgext3rd.badext2' (py36 !)
Traceback (most recent call last): (py3 !)
ImportError: No module named 'badext2' (py3 no-py36 !)
ModuleNotFoundError: No module named 'badext2' (py36 !)
names of extensions failed to load can be accessed via extensions.notloaded()
$ cat <<EOF > showbadexts.py
> from mercurial import commands, extensions, registrar
> cmdtable = {}
> command = registrar.command(cmdtable)
> @command(b'showbadexts', norepo=True)
> def showbadexts(ui, *pats, **opts):
> ui.write(b'BADEXTS: %s\n' % b' '.join(sorted(extensions.notloaded())))
> EOF
$ hg --config extensions.badexts=showbadexts.py showbadexts 2>&1 | grep '^BADEXTS'
BADEXTS: badext badext2
#if no-extraextensions
show traceback for ImportError of hgext.name if devel.debug.extensions is set
$ (hg help help --traceback --debug --config devel.debug.extensions=yes 2>&1) \
> | grep -v '^ ' \
> | filterlog \
> | egrep 'extension..[^p]|^Exception|Traceback|ImportError|^YYYY|not import|ModuleNotFound'
YYYY/MM/DD HH:MM:SS (PID)> loading extensions
YYYY/MM/DD HH:MM:SS (PID)> - processing 5 entries
YYYY/MM/DD HH:MM:SS (PID)> - loading extension: gpg
YYYY/MM/DD HH:MM:SS (PID)> > gpg extension loaded in * (glob)
YYYY/MM/DD HH:MM:SS (PID)> - validating extension tables: gpg
YYYY/MM/DD HH:MM:SS (PID)> - invoking registered callbacks: gpg
YYYY/MM/DD HH:MM:SS (PID)> > callbacks completed in * (glob)
YYYY/MM/DD HH:MM:SS (PID)> - loading extension: badext
*** failed to import extension "badext" from $TESTTMP/badext.py: bit bucket overflow
Traceback (most recent call last):
Exception: bit bucket overflow
YYYY/MM/DD HH:MM:SS (PID)> - loading extension: baddocext
YYYY/MM/DD HH:MM:SS (PID)> > baddocext extension loaded in * (glob)
YYYY/MM/DD HH:MM:SS (PID)> - validating extension tables: baddocext
YYYY/MM/DD HH:MM:SS (PID)> - invoking registered callbacks: baddocext
YYYY/MM/DD HH:MM:SS (PID)> > callbacks completed in * (glob)
YYYY/MM/DD HH:MM:SS (PID)> - loading extension: badext2
YYYY/MM/DD HH:MM:SS (PID)> - could not import hgext.badext2 (No module named *badext2*): trying hgext3rd.badext2 (glob)
Traceback (most recent call last):
ImportError: No module named badext2 (no-py3 !)
ImportError: No module named 'hgext.badext2' (py3 no-py36 !)
ModuleNotFoundError: No module named 'hgext.badext2' (py36 !)
YYYY/MM/DD HH:MM:SS (PID)> - could not import hgext3rd.badext2 (No module named *badext2*): trying badext2 (glob)
Traceback (most recent call last):
ImportError: No module named badext2 (no-py3 !)
ImportError: No module named 'hgext.badext2' (py3 no-py36 !)
ModuleNotFoundError: No module named 'hgext.badext2' (py36 !)
Traceback (most recent call last): (py3 !)
ImportError: No module named 'hgext3rd.badext2' (py3 no-py36 !)
ModuleNotFoundError: No module named 'hgext3rd.badext2' (py36 !)
*** failed to import extension "badext2": No module named 'badext2' (py3 !)
*** failed to import extension "badext2": No module named badext2 (no-py3 !)
Traceback (most recent call last):
ImportError: No module named 'hgext.badext2' (py3 no-py36 !)
ModuleNotFoundError: No module named 'hgext.badext2' (py36 !)
Traceback (most recent call last): (py3 !)
ImportError: No module named 'hgext3rd.badext2' (py3 no-py36 !)
ModuleNotFoundError: No module named 'hgext3rd.badext2' (py36 !)
Traceback (most recent call last): (py3 !)
ModuleNotFoundError: No module named 'badext2' (py36 !)
ImportError: No module named 'badext2' (py3 no-py36 !)
ImportError: No module named badext2 (no-py3 !)
YYYY/MM/DD HH:MM:SS (PID)> > loaded 2 extensions, total time * (glob)
YYYY/MM/DD HH:MM:SS (PID)> - loading configtable attributes
YYYY/MM/DD HH:MM:SS (PID)> - executing uisetup hooks
YYYY/MM/DD HH:MM:SS (PID)> - running uisetup for gpg
YYYY/MM/DD HH:MM:SS (PID)> > uisetup for gpg took * (glob)
YYYY/MM/DD HH:MM:SS (PID)> - running uisetup for baddocext
YYYY/MM/DD HH:MM:SS (PID)> > uisetup for baddocext took * (glob)
YYYY/MM/DD HH:MM:SS (PID)> > all uisetup took * (glob)
YYYY/MM/DD HH:MM:SS (PID)> - executing extsetup hooks
YYYY/MM/DD HH:MM:SS (PID)> - running extsetup for gpg
YYYY/MM/DD HH:MM:SS (PID)> > extsetup for gpg took * (glob)
YYYY/MM/DD HH:MM:SS (PID)> - running extsetup for baddocext
YYYY/MM/DD HH:MM:SS (PID)> > extsetup for baddocext took * (glob)
YYYY/MM/DD HH:MM:SS (PID)> > all extsetup took * (glob)
YYYY/MM/DD HH:MM:SS (PID)> - executing remaining aftercallbacks
YYYY/MM/DD HH:MM:SS (PID)> > remaining aftercallbacks completed in * (glob)
YYYY/MM/DD HH:MM:SS (PID)> - loading extension registration objects
YYYY/MM/DD HH:MM:SS (PID)> > extension registration object loading took * (glob)
YYYY/MM/DD HH:MM:SS (PID)> > extension baddocext take a total of * to load (glob)
YYYY/MM/DD HH:MM:SS (PID)> > extension gpg take a total of * to load (glob)
YYYY/MM/DD HH:MM:SS (PID)> extension loading complete
#endif
confirm that there's no crash when an extension's documentation is bad
$ hg help --keyword baddocext
*** failed to import extension "badext" from $TESTTMP/badext.py: bit bucket overflow
*** failed to import extension "badext2": No module named 'badext2' (py3 !)
*** failed to import extension "badext2": No module named badext2 (no-py3 !)
Topics:
extensions Using Additional Features