[PATCH 6/7] gitweb: blobs defined by non-textual hash ids can be cached

[Jakub Narebski <jnareb@xxxxxxxxx>]

Signed-off-by: Jakub Narebski <jnareb@xxxxxxxxx>
---
 gitweb/gitweb.perl |   20 +++++++++++++++++---
 1 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index eae83e6..f6175bb 100755
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -2371,6 +2371,12 @@ sub git_heads {
 }
 
 sub git_blob_plain {
+	# blobs defined by non-textual hash id's can be cached
+	my $expires;
+	if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
+		$expires = "+1d";
+	}
+
 	if (!defined $hash) {
 		if (defined $file_name) {
 			my $base = $hash_base || git_get_head_hash($project);
@@ -2394,8 +2400,10 @@ sub git_blob_plain {
 		$save_as .= '.txt';
 	}
 
-	print $cgi->header(-type => "$type",
-	                   -content_disposition => "inline; filename=\"$save_as\"");
+	print $cgi->header(
+		-type => "$type",
+		-expires=>$expires,
+		-content_disposition => "inline; filename=\"$save_as\"");
 	binmode STDOUT, ':raw';
 	local $/ = undef;
 	print <$fd>;
@@ -2404,6 +2412,12 @@ sub git_blob_plain {
 }
 
 sub git_blob {
+	# blobs defined by non-textual hash id's can be cached
+	my $expires;
+	if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
+		$expires = "+1d";
+	}
+
 	if (!defined $hash) {
 		if (defined $file_name) {
 			my $base = $hash_base || git_get_head_hash($project);
@@ -2421,7 +2435,7 @@ sub git_blob {
 		close $fd;
 		return git_blob_plain($mimetype);
 	}
-	git_header_html();
+	git_header_html(undef, $expires);
 	my $formats_nav = '';
 	if (defined $hash_base && (my %co = parse_commit($hash_base))) {
 		if (defined $file_name) {
-- 
1.4.1.1

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