# HG changeset patch
# User Alexis S. L. Carvalho <alexis@cecm.usp.br>
# Date 2008-03-24 00:03:24
# Node ID b2f1d97d10ebccf03b0ecdc5090f53d0b8df0a66
# Parent  6440e25a1ba3fb3383076c0ab5a90ffecd6a4e27

don't use hasattr in repo.invalidate

hasattr ends up calling __getattr__ which will instantiate the very
attributes we want to remove.

diff --git a/mercurial/localrepo.py b/mercurial/localrepo.py
--- a/mercurial/localrepo.py
+++ b/mercurial/localrepo.py
@@ -633,8 +633,8 @@ class localrepository(repo.repository):
 
     def invalidate(self):
         for a in "changelog manifest".split():
-            if hasattr(self, a):
-                self.__delattr__(a)
+            if a in self.__dict__:
+                delattr(self, a)
         self.tagscache = None
         self._tagstypecache = None
         self.nodetagscache = None