diff -r 6ffb35b2284c -r 7d4747c711a9 mercurial/store.py
--- a/mercurial/store.py	Wed Jul 25 19:34:31 2012 +0200
+++ b/mercurial/store.py	Wed Jul 25 19:02:35 2012 +0200
@@ -232,7 +232,8 @@
         mode = None
     return mode
 
-_data = 'data 00manifest.d 00manifest.i 00changelog.d 00changelog.i phaseroots'
+_data = ('data 00manifest.d 00manifest.i 00changelog.d 00changelog.i'
+         ' phaseroots obsstore')
 
 class basicstore(object):
     '''base class for local repository stores'''
@@ -411,7 +412,7 @@
             self.fncache.rewrite(existing)
 
     def copylist(self):
-        d = ('data dh fncache phaseroots'
+        d = ('data dh fncache phaseroots obsstore'
              ' 00manifest.d 00manifest.i 00changelog.d 00changelog.i')
         return (['requires', '00changelog.i'] +
                 ['store/' + f for f in d.split()])