Mercurial > hg
annotate contrib/showstack.py @ 40084:2cf18f46a1ce
narrow: only walk files within narrowspec also for committed revisions
Narrow has been walking only paths matching the narrowspec when
walking the working copy. We have not done the same filtering when
walking committed revisions (e.g. "hg files -r "), which seems a
little odd. Let's make it consistent.
Differential Revision: https://phab.mercurial-scm.org/D4898
author | Martin von Zweigbergk <martinvonz@google.com> |
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date | Fri, 28 Sep 2018 17:09:15 -0700 |
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1 # showstack.py - extension to dump a Python stack trace on signal |
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2 # |
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3 # binds to both SIGQUIT (Ctrl-\) and SIGINFO (Ctrl-T on BSDs) |
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4 """dump stack trace when receiving SIGQUIT (Ctrl-\) and SIGINFO (Ctrl-T on BSDs) |
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5 """ |
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6 |
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7 from __future__ import absolute_import, print_function |
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8 import signal |
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9 import sys |
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10 import traceback |
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11 |
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12 def sigshow(*args): |
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13 sys.stderr.write("\n") |
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14 traceback.print_stack(args[1], limit=10, file=sys.stderr) |
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15 sys.stderr.write("----\n") |
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16 |
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17 def sigexit(*args): |
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18 sigshow(*args) |
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19 print('alarm!') |
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20 sys.exit(1) |
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21 |
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22 def extsetup(ui): |
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23 signal.signal(signal.SIGQUIT, sigshow) |
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24 signal.signal(signal.SIGALRM, sigexit) |
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25 try: |
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26 signal.signal(signal.SIGINFO, sigshow) |
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27 except AttributeError: |
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28 pass |