tests/lockdelay.py
author Martin von Zweigbergk <martinvonz@google.com>
Wed, 05 Aug 2020 14:03:45 -0700
changeset 45317 c37ab438ff31
parent 43076 2372284d9457
child 45444 f6c67bb4ca03
permissions -rw-r--r--
hgweb: rely on open_template()'s fallback to using templatedir() Differential Revision: https://phab.mercurial-scm.org/D8900

# 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