gitweb: optimize git_summary.

We don't need to call git_get_head_hash at all just pass in "HEAD" and
use the return id field.

Signed-off-by: Robert Fitzsimons <robfitz@273k.net>
Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index d2ddac8bf3bae0c2ead4583a3368db2d6bd9fe81..b0e6fdfb9d84d105d203ebd335d82f28072d12e8 100755 (executable)
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -2911,9 +2911,9 @@ sub git_project_index {
 
 sub git_summary {
        my $descr = git_get_project_description($project) || "none";
-       my $head = git_get_head_hash($project);
-       my %co = parse_commit($head);
+       my %co = parse_commit("HEAD");
        my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
+       my $head = $co{'id'};
 
        my $owner = git_get_project_owner($project);
 
@@ -2960,7 +2960,7 @@ sub git_summary {
        # we need to request one more than 16 (0..15) to check if
        # those 16 are all
        open my $fd, "-|", git_cmd(), "rev-list", "--max-count=17",
-               git_get_head_hash($project), "--"
+               $head, "--"
                or die_error(undef, "Open git-rev-list failed");
        my @revlist = map { chomp; $_ } <$fd>;
        close $fd;