mercurial/bundle2.py

--- a/mercurial/bundle2.py	Thu May 22 12:58:07 2014 -0700
+++ b/mercurial/bundle2.py	Sat May 24 16:20:09 2014 -0700
@@ -769,6 +769,13 @@
             self.consumed = True
         return data
 
+def bundle2caps(remote):
+    """return the bundlecapabilities of a peer as dict"""
+    raw = remote.capable('bundle2-exp')
+    if not raw and raw != '':
+        return {}
+    capsblob = urllib.unquote(remote.capable('bundle2-exp'))
+    return decodecaps(capsblob)
 
 @parthandler('b2x:changegroup')
 def handlechangegroup(op, inpart):