Mercurial > hg
view tests/logexceptions.py @ 44951:83e41b73d115
git: add debug logging when there's a mismatch in the cached heads list
The dag rebuild can be expensive, so let's try and avoid bugs where it
transparently rebuilds all the time for no reason. This would have
prevented the issue fixed in D8622.
Differential Revision: https://phab.mercurial-scm.org/D8625
author | Augie Fackler <augie@google.com> |
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date | Tue, 09 Jun 2020 17:13:26 -0400 |
parents | 2372284d9457 |
children | d4ba4d51f85f |
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# logexceptions.py - Write files containing info about Mercurial exceptions # # Copyright 2017 Matt Mackall <mpm@selenic.com> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. from __future__ import absolute_import import inspect import os import sys import traceback import uuid from mercurial import ( dispatch, extensions, ) def handleexception(orig, ui): res = orig(ui) if not ui.environ.get(b'HGEXCEPTIONSDIR'): return res dest = os.path.join( ui.environ[b'HGEXCEPTIONSDIR'], str(uuid.uuid4()).encode('ascii') ) exc_type, exc_value, exc_tb = sys.exc_info() stack = [] tb = exc_tb while tb: stack.append(tb) tb = tb.tb_next stack.reverse() hgframe = 'unknown' hgline = 'unknown' # Find the first Mercurial frame in the stack. for tb in stack: mod = inspect.getmodule(tb) if not mod.__name__.startswith(('hg', 'mercurial')): continue frame = tb.tb_frame try: with open(inspect.getsourcefile(tb), 'r') as fh: hgline = fh.readlines()[frame.f_lineno - 1].strip() except (IndexError, OSError): pass hgframe = '%s:%d' % (frame.f_code.co_filename, frame.f_lineno) break primary = traceback.extract_tb(exc_tb)[-1] primaryframe = '%s:%d' % (primary.filename, primary.lineno) with open(dest, 'wb') as fh: parts = [ str(exc_value), primaryframe, hgframe, hgline, ui.environ[b'TESTNAME'].decode('utf-8', 'replace'), ] fh.write(b'\0'.join(p.encode('utf-8', 'replace') for p in parts)) def extsetup(ui): extensions.wrapfunction(dispatch, 'handlecommandexception', handleexception)