tests/lockdelay.py
author Hannes Oldenburg <hannes.christian.oldenburg@gmail.com>
Wed, 27 Jul 2016 08:38:54 +0000
branchstable
changeset 29633 bc5148d0a446
parent 28289 d493d64757eb
child 30068 a76d5ba7ac43
permissions -rw-r--r--
cmdutil: warnings not issued in cat if subrepopath overlaps Previously a subrepository "sub" would cause no warnings to be issued for a file "subnot/a", if it's not present in the corresponding changeset when calling: hg cat subnot/a

# 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

from mercurial import (
    lock as lockmod,
)

class delaylock(lockmod.lock):
    def lock(self):
        delay = float(os.environ.get('HGPRELOCKDELAY', '0.0'))
        if delay:
            time.sleep(delay)
        res = super(delaylock, self).lock()
        delay = float(os.environ.get('HGPOSTLOCKDELAY', '0.0'))
        if delay:
            time.sleep(delay)
        return res

def extsetup(ui):
    lockmod.lock = delaylock