match: remove a mutable default argument
Mutable default arguments are know to the state of California to cause bugs. We
added support for None in the underlying function in the parent commit.
therefore we do not need to do anything but passing None.
--- a/mercurial/scmutil.py Thu Sep 24 01:00:25 2015 -0700
+++ b/mercurial/scmutil.py Thu Sep 24 01:00:43 2015 -0700
@@ -778,7 +778,8 @@
pats = []
return m, pats
-def match(ctx, pats=(), opts={}, globbed=False, default='relpath', badfn=None):
+def match(ctx, pats=(), opts=None, globbed=False, default='relpath',
+ badfn=None):
'''Return a matcher that will warn about bad matches.'''
return matchandpats(ctx, pats, opts, globbed, default, badfn=badfn)[0]