# HG changeset patch
# User Benoit Boissinot <mercurial-bugs@selenic.com>
# Date 1130368256 25200
# Node ID f4250806dbeb5dbf8761accd7b508a16bc5add56
# Parent  6fbb13b7a59fc3f6cab865cb6e9bd634fcd854e4
further fix traceback on invalid .hgignore patterns

Please apply this little fix (matchfn return None if no patterns are
specified).



diff -r 6fbb13b7a59f -r f4250806dbeb mercurial/util.py
--- a/mercurial/util.py	Wed Oct 26 16:10:36 2005 -0700
+++ b/mercurial/util.py	Wed Oct 26 16:10:56 2005 -0700
@@ -246,6 +246,8 @@
 
     def matchfn(pats, tail):
         """build a matching function from a set of patterns"""
+        if not pats:
+            return
         matches = []
         for k, p in pats:
             try: