view contrib/showstack.py @ 51987:d8b981968a55

tests: stabilize `test-clonebundles.t` on Windows

The `remote: {foo,bar}` lines were different because `echo` in MSYS uses `\r\n`.
I couldn't make it work with the previous echoing of individual lines, changing
the internal `echo` to `printf "foo\n"`, because that output as "foon".  This
works on Linux and Windows, so I'm not thinking too hard about it.

# showstack.py - extension to dump a Python stack trace on signal
#
# binds to both SIGQUIT (Ctrl-\) and SIGINFO (Ctrl-T on BSDs)
r"""dump stack trace when receiving SIGQUIT (Ctrl-\) or SIGINFO (Ctrl-T on BSDs)
"""

import signal
import sys
import traceback


def sigshow(*args):
    sys.stderr.write("\n")
    traceback.print_stack(args[1], limit=10, file=sys.stderr)
    sys.stderr.write("----\n")


def sigexit(*args):
    sigshow(*args)
    print('alarm!')
    sys.exit(1)


def extsetup(ui):
    signal.signal(signal.SIGQUIT, sigshow)
    signal.signal(signal.SIGALRM, sigexit)
    try:
        signal.signal(signal.SIGINFO, sigshow)
    except AttributeError:
        pass