From: Ben Jackson <ben@ben.com>
Date: Thu, 4 Jun 2009 03:45:51 +0000 (-0700)
Subject: git-svn: speed up find_rev_before
X-Git-Tag: v1.6.4-rc0~36^2~7
X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=ca5e880ec2172f33dd0113129775f6eb65f2f678;p=git.git

git-svn: speed up find_rev_before

By limiting start revision of find_rev_before to max existing
revision.  This avoids a long wait if you do
'git svn reset -r 9999999'.  The linear search within the
contiguous revisions doesn't seem to be a problem.

[ew: expanded commit message]

Signed-off-by: Ben Jackson <ben@ben.com>
Acked-by: Eric Wong <normalperson@yhbt.net>
---

diff --git a/git-svn.perl b/git-svn.perl
index da1e1f64e..f9a672d77 100755
--- a/git-svn.perl
+++ b/git-svn.perl
@@ -3171,6 +3171,8 @@ sub find_rev_before {
 	my ($self, $rev, $eq_ok, $min_rev) = @_;
 	--$rev unless $eq_ok;
 	$min_rev ||= 1;
+	my $max_rev = $self->rev_map_max;
+	$rev = $max_rev if ($rev > $max_rev);
 	while ($rev >= $min_rev) {
 		if (my $c = $self->rev_map_get($rev)) {
 			return ($rev, $c);