# HG changeset patch
# User Alexis S. L. Carvalho <alexis@cecm.usp.br>
# Date 1140871480 -3600
# Node ID 8a7a24b96697649736ebb7e71252f7abd3975a5a
# Parent  38e19b1d3de8e88b302725e55cb715fb69a38ae2
speed up hg log --debug

hg repo:
before:
real	0m6.998s
user	0m6.952s
sys	0m0.046s

after:
real	0m3.884s
user	0m3.839s
sys	0m0.042s



diff -r 38e19b1d3de8 -r 8a7a24b96697 mercurial/localrepo.py
--- a/mercurial/localrepo.py	Fri Feb 24 20:25:18 2006 +0100
+++ b/mercurial/localrepo.py	Sat Feb 25 13:44:40 2006 +0100
@@ -519,6 +519,12 @@
                     del mf[fn]
             return mf
 
+        if node1:
+            # read the manifest from node1 before the manifest from node2,
+            # so that we'll hit the manifest cache if we're going through
+            # all the revisions in parent->child order.
+            mf1 = mfmatches(node1)
+
         # are we comparing the working directory?
         if not node2:
             if not wlock:
@@ -557,8 +563,6 @@
             # flush lists from dirstate before comparing manifests
             modified, added = [], []
 
-            mf1 = mfmatches(node1)
-
             for fn in mf2:
                 if mf1.has_key(fn):
                     if mf1[fn] != mf2[fn] and (mf2[fn] != "" or fcmp(fn, mf1)):