# HG changeset patch
# User Benoit Boissinot <benoit.boissinot@ens-lyon.org>
# Date 2009-09-03 00:42:56
# Node ID eecbaac5ca881c9c98c781243841bcc4d5648d65
# Parent  e0cc9fa2a57633af9596da3647a5d0f9f5e70f7c

manifestdict: remove unnecessary dictionary copy

No need to copy the dict, dict.__init__() will do that for us.
It was responsible for a non-negligeable waste of time during a qpush of an
-mm queue on the kernel repo.

diff --git a/mercurial/manifest.py b/mercurial/manifest.py
--- a/mercurial/manifest.py
+++ b/mercurial/manifest.py
@@ -20,7 +20,7 @@ class manifestdict(dict):
     def set(self, f, flags):
         self._flags[f] = flags
     def copy(self):
-        return manifestdict(dict.copy(self), dict.copy(self._flags))
+        return manifestdict(self, dict.copy(self._flags))
 
 class manifest(revlog.revlog):
     def __init__(self, opener):