tests/lockdelay.py
author Joerg Sonnenberger <joerg@bec.de>
Thu, 16 Jul 2020 19:48:49 +0200
changeset 45141 9719e118e4af
parent 43076 2372284d9457
child 45444 f6c67bb4ca03
permissions -rw-r--r--
cext: remove unused variables Differential Revision: https://phab.mercurial-scm.org/D8760

# Dummy extension that adds a delay after acquiring a lock.
#
# This extension can be used to test race conditions between lock acquisition.

from __future__ import absolute_import

import os
import time


def reposetup(ui, repo):
    class delayedlockrepo(repo.__class__):
        def lock(self):
            delay = float(os.environ.get('HGPRELOCKDELAY', '0.0'))
            if delay:
                time.sleep(delay)
            res = super(delayedlockrepo, self).lock()
            delay = float(os.environ.get('HGPOSTLOCKDELAY', '0.0'))
            if delay:
                time.sleep(delay)
            return res

    repo.__class__ = delayedlockrepo