Mercurial > hg

changeset 17037:419966126a05

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scmutil: speed up new-style range extension This improves perfrevset performance by 10% for 2222::33333 on a kernel repo.
author Bryan O'Sullivan <bryano@fb.com>
date Fri, 22 Jun 2012 12:00:41 -0700
parents ab4644c3064f
children cd7db8e05c65
files mercurial/scmutil.py
diffstat 1 files changed, 3 insertions(+), 4 deletions(-) [+]
line wrap: on
line diff
--- a/mercurial/scmutil.py	Tue Jun 26 14:32:20 2012 +0200
+++ b/mercurial/scmutil.py	Fri Jun 22 12:00:41 2012 -0700
@@ -584,10 +584,9 @@
 
         # fall through to new-style queries if old-style fails
         m = revset.match(repo.ui, spec)
-        for r in m(repo, range(len(repo))):
-            if r not in seen:
-                l.append(r)
-        seen.update(l)
+        dl = [r for r in m(repo, xrange(len(repo))) if r not in seen]
+        l.extend(dl)
+        seen.update(dl)
 
     return l