# HG changeset patch
# User Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
# Date 1300776002 -3600
# Node ID f4a85acef50c74eda658bce7507eb12700b07763
# Parent  3458c15ab2f03729ed9a762de11cef55ad95c385
wireproto: fix decodelist to properly return empty list

Needed by tests for next patch introducing known().

diff -r 3458c15ab2f0 -r f4a85acef50c mercurial/wireproto.py
--- a/mercurial/wireproto.py	Tue Mar 22 07:38:32 2011 +0100
+++ b/mercurial/wireproto.py	Tue Mar 22 07:40:02 2011 +0100
@@ -15,7 +15,9 @@
 # list of nodes encoding / decoding
 
 def decodelist(l, sep=' '):
-    return map(bin, l.split(sep))
+    if l:
+        return map(bin, l.split(sep))
+    return []
 
 def encodelist(l, sep=' '):
     return sep.join(map(hex, l))