--- a/mercurial/sshserver.py	Tue Aug 19 01:13:10 2014 +0200
+++ b/mercurial/sshserver.py	Tue Sep 02 12:11:36 2014 +0200
@@ -142,7 +142,7 @@
             return
 
         self.sendresponse("")
-        cg = changegroup.unbundle10(self.fin, "UN")
+        cg = changegroup.cg1unpacker(self.fin, "UN")
         r = changegroup.addchangegroup(self.repo, cg, 'serve', self._client())
         self.lock.release()
         return str(r)