diff -r accb1cf85c31 -r e3495c399006 mercurial/localrepo.py
--- a/mercurial/localrepo.py	Sun May 24 02:56:03 2009 -0500
+++ b/mercurial/localrepo.py	Sat May 23 17:02:49 2009 +0200
@@ -18,7 +18,7 @@
 propertycache = util.propertycache
 
 class localrepository(repo.repository):
-    capabilities = set(('lookup', 'changegroupsubset'))
+    capabilities = set(('lookup', 'changegroupsubset', 'branchmap'))
     supported = set('revlogv1 store fncache'.split())
 
     def __init__(self, baseui, path=None, create=0):
@@ -360,7 +360,7 @@
 
         return partial
 
-    def _branchheads(self):
+    def branchmap(self):
         tip = self.changelog.tip()
         if self.branchcache is not None and self._branchcachetip == tip:
             return self.branchcache
@@ -392,7 +392,7 @@
         '''return a dict where branch names map to the tipmost head of
         the branch, open heads come before closed'''
         bt = {}
-        for bn, heads in self._branchheads().iteritems():
+        for bn, heads in self.branchmap().iteritems():
             head = None
             for i in range(len(heads)-1, -1, -1):
                 h = heads[i]
@@ -1125,7 +1125,7 @@
     def branchheads(self, branch=None, start=None, closed=True):
         if branch is None:
             branch = self[None].branch()
-        branches = self._branchheads()
+        branches = self.branchmap()
         if branch not in branches:
             return []
         bheads = branches[branch]