# 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