mercurial/wireproto.py

--- a/mercurial/wireproto.py	Thu Mar 01 08:24:54 2018 -0800
+++ b/mercurial/wireproto.py	Fri Feb 23 09:40:12 2018 -0800
@@ -916,7 +916,7 @@
 
 @wireprotocommand('listkeys', 'namespace')
 def listkeys(repo, proto, namespace):
-    d = repo.listkeys(encoding.tolocal(namespace)).items()
+    d = sorted(repo.listkeys(encoding.tolocal(namespace)).items())
     return bytesresponse(pushkeymod.encodekeys(d))
 
 @wireprotocommand('lookup', 'key')