--- a/mercurial/localrepo.py	Fri May 11 23:11:43 2012 +0200
+++ b/mercurial/localrepo.py	Fri May 04 15:54:55 2012 -0400
@@ -1333,6 +1333,8 @@
 
         def mfmatches(ctx):
             mf = ctx.manifest().copy()
+            if match.always():
+                return mf
             for fn in mf.keys():
                 if not match(fn):
                     del mf[fn]