# HG changeset patch
# User Bryan O'Sullivan <bos@serpentine.com>
# Date 1126942634 25200
# Node ID 9ab14ca22e378a26c5c70406d2be9992000e16c0
# Parent  fc3b41570082cea350ad4017e2b715a880749522
Fix ignore regression.
An empty or non-existent hgignore file must return False (don't
ignore) for everything.


diff --git a/mercurial/dirstate.py b/mercurial/dirstate.py
--- a/mercurial/dirstate.py
+++ b/mercurial/dirstate.py
@@ -84,8 +84,12 @@ class dirstate:
         if self.blockignore:
             return False
         if not self.ignorefunc:
-            files, self.ignorefunc, anypats = util.matcher(self.root,
-                                                           inc=self.hgignore())
+            ignore = self.hgignore()
+            if ignore:
+                files, self.ignorefunc, anypats = util.matcher(self.root,
+                                                               inc=ignore)
+            else:
+                self.ignorefunc = util.never
         return self.ignorefunc(fn)
 
     def __del__(self):