--- a/mercurial/match.py Mon Jul 10 10:56:40 2017 -0700
+++ b/mercurial/match.py Sun Jul 09 15:19:27 2017 -0700
@@ -347,6 +347,17 @@
def __init__(self, root, cwd, badfn=None):
super(nevermatcher, self).__init__(root, cwd, badfn)
+ # It's a little weird to say that the nevermatcher is an exact matcher
+ # or a prefix matcher, but it seems to make sense to let callers take
+ # fast paths based on either. There will be no exact matches, nor any
+ # prefixes (files() returns []), so fast paths iterating over them should
+ # be efficient (and correct).
+ def isexact(self):
+ return True
+
+ def prefix(self):
+ return True
+
def __repr__(self):
return '<nevermatcher>'