# HG changeset patch
# User Matt Mackall <mpm@selenic.com>
# Date 1182191073 18000
# Node ID 2651099c501880a317b842bc299f7931144f53fb
# Parent  9da7a4da650ff857da53d1e0233365f4421cf96c
dirstate: make reload lazy

diff --git a/mercurial/dirstate.py b/mercurial/dirstate.py
--- a/mercurial/dirstate.py
+++ b/mercurial/dirstate.py
@@ -241,14 +241,10 @@ class dirstate(object):
             if err.errno != errno.ENOENT: raise
 
     def reload(self):
-        def mtime():
-            m = self.map and self.map.get('.hgignore')
-            return m and m[-1]
-
-        old_mtime = self.ignorefunc and mtime()
-        self.read()
-        if old_mtime != mtime():
-            self.ignorefunc = None
+        for a in "map copymap _branch pl dirs".split():
+            if hasattr(self, a):
+                self.__delattr__(a)
+        self.ignorefunc = None
 
     def copy(self, source, dest):
         self.markdirty()