comparison tests/run-tests.py @ 47775:c405c089611a stable

run-tests: do not inherit file descriptor when running a command

This is one of the difference between python2 and python3 and could have been a
reason why test hang with python2 + chg. This does not seems to help the
hanging issue at all…

However, now that this is written lets reduce the difference between python2
and python3.

Differential Revision: https://phab.mercurial-scm.org/D11226

47774:fb8389f227a0

        """
        if self._debug:
            proc = subprocess.Popen(
                _bytes2sys(cmd),
                shell=True,
                cwd=_bytes2sys(self._testtmp),
                env=env,
            )
            ret = proc.wait()
            return (ret, None)

47775:c405c089611a

        """
        if self._debug:
            proc = subprocess.Popen(
                _bytes2sys(cmd),
                shell=True,
                close_fds=closefds,
                cwd=_bytes2sys(self._testtmp),
                env=env,
            )
            ret = proc.wait()
            return (ret, None)