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d203784d68
Summary: As the title. Test Plan: `arc unit` Reviewers: #sourcecontrol, stash, rmcelroy Reviewed By: stash, rmcelroy Subscribers: rmcelroy, stash, mjpieters Differential Revision: https://phabricator.intern.facebook.com/D4232321 Signature: t1:4232321:1480067588:54e91ece8fa6b5ff13b3ebc9279217c76bf96a24
59 lines
1.6 KiB
Python
59 lines
1.6 KiB
Python
# errorredirect.py
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#
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# Copyright 2015 Facebook, Inc.
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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"""redirect error message
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Redirect error message, the stack trace, of an uncaught exception to
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a custom shell script. This is useful for further handling the error,
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for example posting it to a support group and logging it somewhere.
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The config option errorredirect.script is the shell script to execute.
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If it's empty, the extension will do nothing and fallback to the old
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behavior.
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Two environment variables are set: TRACE is the stack trace, which
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is the same as piped content. WARNING is the warning message, which
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usually contains contact message and software versions, etc.
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Examples::
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[errorredirect]
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script = tee hgerr.log && echo 'Error written to hgerr.log'
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[errorredirect]
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script = echo "$WARNING$TRACE" >&2
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[errorredirect]
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script = (echo "$WARNING"; cat) | cat >&2
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"""
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import os
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import subprocess
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import traceback
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from mercurial import (
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dispatch,
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extensions,
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)
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def _handlecommandexception(orig, ui):
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script = ui.config('errorredirect', 'script')
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if not script:
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return orig(ui)
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warning = dispatch._exceptionwarning(ui)
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trace = traceback.format_exc()
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env = os.environ.copy()
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env['WARNING'] = warning
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env['TRACE'] = trace
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p = subprocess.Popen(script, shell=True, stdin=subprocess.PIPE, env=env)
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p.communicate(trace)
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return True # do not re-raise
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def uisetup(ui):
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extensions.wrapfunction(dispatch, 'handlecommandexception',
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_handlecommandexception)
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