gitweb: Add Expires header to 'tree' pagesgitweb/more-expires

Tree pages requested with non-textual hash ids can be cached. Just checking
$hash_base is enough, because $hash is either calculated from the
$file_name/$hash_base combination, set to $hash_base or passed as a hash id by
gitweb.

Signed-off-by: Sven Wegener <sven.wegener@stealer.net>

1 files changed, 4 insertions, 1 deletions

diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index 5fa3ce34fc..ed6bc4adec 100755
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -5644,8 +5644,11 @@ sub git_blob {
 }
 
 sub git_tree {
+	my $expires;
 	if (!defined $hash_base) {
 		$hash_base = "HEAD";
+	} elsif ($hash_base =~ m/^[0-9a-fA-F]{40}$/) {
+		$expires = "+1d";
 	}
 	if (!defined $hash) {
 		if (defined $file_name) {
@@ -5672,7 +5675,7 @@ sub git_tree {
 
 	my $refs = git_get_references();
 	my $ref = format_ref_marker($refs, $hash_base);
-	git_header_html();
+	git_header_html(undef, $expires);
 	my $basedir = '';
 	if (defined $hash_base && (my %co = parse_commit($hash_base))) {
 		my @views_nav = ();