diff -r 5dbb3a991bbf -r d8eba1c3ce9b mercurial/context.py
--- a/mercurial/context.py	Sun Oct 15 21:09:56 2006 +0200
+++ b/mercurial/context.py	Sun Oct 15 17:37:04 2006 -0700
@@ -185,7 +185,7 @@
     def rev(self):
         if '_changectx' in self.__dict__:
             return self._changectx.rev()
-        return self._filelog.linkrev(self._filenode)
+        return self.linkrev()
 
     def node(self): return self._changectx.node()
     def user(self): return self._changectx.user()
@@ -195,6 +195,7 @@
     def manifest(self): return self._changectx.manifest()
     def changectx(self): return self._changectx
 
+    def linkrev(self): return self._filelog.linkrev(self._filenode)
     def data(self): return self._filelog.read(self._filenode)
     def renamed(self): return self._filelog.renamed(self._filenode)
     def path(self): return self._path