# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@fb.com>
# Date 2015-09-24 08:58:33
# Node ID 4a8e21578e1426757ff5bc71ac383d840e6251de
# Parent  ed884807dc488cb0fdfe5c7b591cb4ba549c22e6

addremove: remove a mutable default argument

Mutable default arguments are know to the state of California to cause bugs.

diff --git a/mercurial/cmdutil.py b/mercurial/cmdutil.py
--- a/mercurial/cmdutil.py
+++ b/mercurial/cmdutil.py
@@ -2763,7 +2763,9 @@ def buildcommittext(repo, ctx, subs, ext
 
     return "\n".join(edittext)
 
-def commitstatus(repo, node, branch, bheads=None, opts={}):
+def commitstatus(repo, node, branch, bheads=None, opts=None):
+    if opts is None:
+        opts = {}
     ctx = repo[node]
     parents = ctx.parents()