--- a/mercurial/scmutil.py Fri Mar 23 11:20:13 2018 -0700
+++ b/mercurial/scmutil.py Sat Mar 24 17:19:32 2018 +0900
@@ -1419,7 +1419,7 @@
try:
s = pmatch(s)
- except error.LookupError:
+ except (error.LookupError, error.WdirUnsupported):
s = None
if s is not None: