run-tests: replace '/dev/null' with os.devnull for Windows
Many of the *.py tests were dying on:
File "c:\Users\Matt\projects\hg\hgdemandimport\tracing.py", line 27, in log
_pipe = open(os.environ['HGCATAPULTSERVERPIPE'], 'w', 1)
IOError: [Errno 2] $ENOENT$: '/dev/null'
# 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