tests: add test demonstrating regression in path audit
D785 regressed behavior in path auditing: files can be deleted if they have a
path that conflicts with a filename from a malicious remote or bundle.
This test demonstrates the problem - the file should not have been deleted.
Differential Revision: https://phab.mercurial-scm.org/D1156
# showstack.py - extension to dump a Python stack trace on signal
#
# binds to both SIGQUIT (Ctrl-\) and SIGINFO (Ctrl-T on BSDs)
from __future__ import absolute_import
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 extsetup(ui):
signal.signal(signal.SIGQUIT, sigshow)
try:
signal.signal(signal.SIGINFO, sigshow)
except AttributeError:
pass