diff -r c586cb50872b -r e62c330a044f mercurial/exchange.py
--- a/mercurial/exchange.py	Fri Oct 24 15:52:20 2014 -0500
+++ b/mercurial/exchange.py	Fri Oct 24 10:40:37 2014 -0700
@@ -333,7 +333,7 @@
     explicit = set(pushop.bookmarks)
 
     comp = bookmod.compare(repo, repo._bookmarks, remotebookmark, srchex=hex)
-    addsrc, adddst, advsrc, advdst, diverge, differ, invalid = comp
+    addsrc, adddst, advsrc, advdst, diverge, differ, invalid, same = comp
     for b, scid, dcid in advsrc:
         if b in explicit:
             explicit.remove(b)