gitweb: We do longer need the --parents flag in rev-list.

We only want to know the direct parents of a given commit object,
these parents are available in the --header output of rev-list.  If
--parents is supplied with --full-history the output includes merge
commits that aren't relevant.

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 6bd57a4..c645686 100755 (executable)
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -1281,13 +1281,14 @@ sub parse_commit_text {
        if (!($header =~ m/^[0-9a-fA-F]{40}/)) {
                return;
        }
-       ($co{'id'}, my @parents) = split ' ', $header;
-       $co{'parents'} = \@parents;
-       $co{'parent'} = $parents[0];
+       $co{'id'} = $header;
+       my @parents;
        while (my $line = shift @commit_lines) {
                last if $line eq "\n";
                if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
                        $co{'tree'} = $1;
+               } elsif ($line =~ m/^parent ([0-9a-fA-F]{40})$/) {
+                       push @parents, $1;
                } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
                        $co{'author'} = $1;
                        $co{'author_epoch'} = $2;
@@ -1314,6 +1315,8 @@ sub parse_commit_text {
        if (!defined $co{'tree'}) {
                return;
        };
+       $co{'parents'} = \@parents;
+       $co{'parent'} = $parents[0];
 
        foreach my $title (@commit_lines) {
                $title =~ s/^    //;
@@ -1371,7 +1374,6 @@ sub parse_commit {
 
        open my $fd, "-|", git_cmd(), "rev-list",
                "--header",
-               "--parents",
                "--max-count=1",
                $commit_id,
                "--",
@@ -1414,7 +1416,6 @@ sub parse_commits {
 
        open my $fd, "-|", git_cmd(), "rev-list",
                "--header",
-               "--parents",
                ($arg ? ($arg) : ()),
                ("--max-count=" . $maxcount),
                # Add once rev-list supports the --skip option