tests/lockdelay.py
author Martin von Zweigbergk <martinvonz@google.com>
Tue, 11 Jul 2017 10:46:55 -0700
changeset 33497 80e1331a7fe9
parent 30068 a76d5ba7ac43
child 43076 2372284d9457
permissions -rw-r--r--
match: remove unused negatematcher This was only used by the sparse extension's dirstate._ignore override, which no longer exists. Differential Revision: https://phab.mercurial-scm.org/D60

# 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