--- a/mercurial/scmutil.py Mon Nov 12 14:05:39 2012 -0800
+++ b/mercurial/scmutil.py Tue Nov 20 19:05:46 2012 +0100
@@ -634,13 +634,13 @@
start, end = spec.split(_revrangesep, 1)
start = revfix(repo, start, 0)
end = revfix(repo, end, len(repo) - 1)
- step = start > end and -1 or 1
+ rangeiter = repo.changelog.revs(start, end)
if not seen and not l:
# by far the most common case: revs = ["-1:0"]
- l = range(start, end + step, step)
+ l = list(rangeiter)
# defer syncing seen until next iteration
continue
- newrevs = set(xrange(start, end + step, step))
+ newrevs = set(rangeiter)
if seen:
newrevs.difference_update(seen)
seen.update(newrevs)