diff -r b04b27aa6da3 -r 3198aac7a95d mercurial/localrepo.py
--- a/mercurial/localrepo.py	Sun Dec 14 16:22:24 2014 -0800
+++ b/mercurial/localrepo.py	Sun Dec 14 12:53:50 2014 -0800
@@ -18,6 +18,7 @@
 from lock import release
 import weakref, errno, os, time, inspect
 import branchmap, pathutil
+import namespaces
 propertycache = util.propertycache
 filecache = scmutil.filecache
 
@@ -297,6 +298,9 @@
         # - bookmark changes
         self.filteredrevcache = {}
 
+        # generic mapping between names and nodes
+        self.names = namespaces.namespaces(self)
+
     def close(self):
         pass