diff -r 006e9ef05c31 -r 991098579940 mercurial/transaction.py
--- a/mercurial/transaction.py	Thu Nov 13 11:17:09 2014 +0000
+++ b/mercurial/transaction.py	Thu Nov 13 11:17:36 2014 +0000
@@ -15,7 +15,7 @@
 import errno
 import error, util
 
-version = 0
+version = 2
 
 def active(func):
     def _active(self, *args, **kwds):