# HG changeset patch
# User Nicolas Dumazet <nicdumz.commits@gmail.com>
# Date 1278234450 -32400
# Branch stable
# Node ID 80f156c8ee94377094f3743f0f2db344a3e4949f
# Parent  239f3210c970615dc1d5f861a92b61b4662a71a5
log: slowpath: dont use increasing windows

When in the slowpath, we are examining _all_ changesets.
Increasing windows were used to read changelog backwards in a windowed manner,
reading the changelog forward inside each window.

It is just clearer and simpler to read the full changelog forward.

diff --git a/mercurial/cmdutil.py b/mercurial/cmdutil.py
--- a/mercurial/cmdutil.py
+++ b/mercurial/cmdutil.py
@@ -1103,12 +1103,8 @@
                                'filenames'))
 
         # The slow path checks files modified in every changeset.
-        def changerevgen():
-            for i, window in increasing_windows(len(repo) - 1, nullrev):
-                for j in xrange(i - window, i + 1):
-                    yield change(j)
-
-        for ctx in changerevgen():
+        for i in repo:
+            ctx = change(i)
             matches = filter(match, ctx.files())
             if matches:
                 fncache[ctx.rev()] = matches