view tests/lockdelay.py @ 48694:5c940f9ba3e4

dagop: don't import nullrev from .node twice See 59fa3890d40a. Differential Revision: https://phab.mercurial-scm.org/D12120
author Anton Shestakov <av6@dwimlabs.net>
date Mon, 31 Jan 2022 18:04:11 +0300
parents f6c67bb4ca03
children 6000f5b25c9b
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# 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, wait=True):
            delay = float(os.environ.get('HGPRELOCKDELAY', '0.0'))
            if delay:
                time.sleep(delay)
            res = super(delayedlockrepo, self).lock(wait=wait)
            delay = float(os.environ.get('HGPOSTLOCKDELAY', '0.0'))
            if delay:
                time.sleep(delay)
            return res

    repo.__class__ = delayedlockrepo