repobrowse: use symbolic-ref instead of ugly rev-parse match

Oops, forgot about this old command :x

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/PublicInbox/RepobrowseGitSummary.pm b/lib/PublicInbox/RepobrowseGitSummary.pm
index db601ad9..0dffd5cc 100644
--- a/lib/PublicInbox/RepobrowseGitSummary.pm
+++ b/lib/PublicInbox/RepobrowseGitSummary.pm
@@ -29,7 +29,7 @@ sub emit_summary {
 
         # n.b. we would use %(HEAD) in for-each-ref --format if we could
         # rely on git 1.9.0+, but it's too soon for that in early 2016...
-        chomp(my $head_ref = $git->qx(qw(rev-parse HEAD~0)));
+        chomp(my $head_ref = $git->qx(qw(symbolic-ref HEAD)));
 
         my $refs = $git->popen(qw(for-each-ref --sort=-creatordate),
                                 EACH_REF_FMT, "--count=$count",
@@ -43,6 +43,7 @@ sub emit_summary {
         my $rel = $req->{relcmd};
         foreach (<$refs>) {
                 my ($ref, $type, $hex, $date, $s) = split(' ', $_, 5);
+                my $x = $ref eq $head_ref ? ' (HEAD)' : '';
                 $ref =~ s!\Arefs/(?:heads|tags)/!!;
                 $ref = PublicInbox::Hval->utf8($ref);
                 my $h = $ref->as_html;
@@ -60,7 +61,6 @@ sub emit_summary {
                         next;
                 }
                 chomp $s;
-                my $x = $hex eq $head_ref ? ' (HEAD)' : '';
                 $fh->write(qq(<tr><td><tt><a\nhref="$ref">$h</a>$x</tt></td>) .
                         qq(<td><tt>$date <a\nhref="$sref">) . utf8_html($s) .
                         '</a></tt></td></tr>');