[PATCH] Use describe to come up with the closest tag.

[Junio C Hamano <junkio@cox.net>]

Signed-off-by: Junio C Hamano <junkio@cox.net>

---

 * This gives saner output than what is currently there.  It
   does not have direct relation to the diff-tree --cc patch,
   but over there I already use describe so this patch is to
   make things consistent.

 gitweb.cgi |   15 +++------------
 1 files changed, 3 insertions(+), 12 deletions(-)

3fb28888448edc8b2d4aeab55bc13d78746e5a45
diff --git a/gitweb.cgi b/gitweb.cgi
index c1bb624..3c43695 100755
--- a/gitweb.cgi
+++ b/gitweb.cgi
@@ -2051,20 +2051,11 @@ sub git_commitdiff_plain {
 	close $fd or die_error(undef, "Reading diff-tree failed.");
 
 	# try to figure out the next tag after this commit
-	my $tagname;
 	my $refs = read_info_ref("tags");
-	open $fd, "-|", "$gitbin/git-rev-list HEAD";
-	chomp (my (@commits) = <$fd>);
+	open $fd, "-|", "$gitbin/git-describe $hash";
+	my ($tagname) = <$fd>;
+	chomp($tagname);
 	close $fd;
-	foreach my $commit (@commits) {
-		if (defined $refs->{$commit}) {
-			$tagname = $refs->{$commit}
-		}
-		if ($commit eq $hash) {
-			last;
-		}
-	}
-
 	print $cgi->header(-type => "text/plain", -charset => 'utf-8', '-content-disposition' => "inline; filename=\"git-$hash.patch\"");
 	my %co = git_read_commit($hash);
 	my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
-- 
1.1.6.gbb042