+
−# 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