diff -r 2bf4f380f6ab -r 36448afdadd4 mercurial/context.py
--- a/mercurial/context.py	Thu May 14 13:21:20 2009 -0500
+++ b/mercurial/context.py	Thu May 14 13:21:20 2009 -0500
@@ -85,6 +85,7 @@
 
     def changeset(self): return self._changeset
     def manifest(self): return self._manifest
+    def manifestnode(self): return self._changeset[0]
 
     def rev(self): return self._rev
     def node(self): return self._node