# HG changeset patch
# User Yuya Nishihara <yuya@tcha.org>
# Date 1508681047 -32400
# Node ID 8494944940e56c40f2f40ef8ef44f9a841fed4c8
# Parent  a7f7eff4ec080296b8050fbb910115687d734e54
log: use smartset.slice() to limit number of revisions to be displayed

diff -r a7f7eff4ec08 -r 8494944940e5 mercurial/cmdutil.py
--- a/mercurial/cmdutil.py	Thu Jan 04 10:51:41 2018 +0900
+++ b/mercurial/cmdutil.py	Sun Oct 22 23:04:07 2017 +0900
@@ -2528,13 +2528,7 @@
         matcher = revset.match(repo.ui, expr)
         revs = matcher(repo, revs)
     if limit is not None:
-        limitedrevs = []
-        for idx, rev in enumerate(revs):
-            if idx >= limit:
-                break
-            limitedrevs.append(rev)
-        revs = smartset.baseset(limitedrevs)
-
+        revs = revs.slice(0, limit)
     return revs, expr, filematcher
 
 def _parselinerangelogopt(repo, opts):