From 0769c5831eeb062f38e3cef5666f54c2566b4e43 Mon Sep 17 00:00:00 2001
From: Gerfried Fuchs <rhonda@debian.org>
Date: Mon, 31 Oct 2011 15:10:28 +0100
Subject: [PATCH] fix If-Modified-Since handling, thanks to weasel

---
 lib/Packages/Dispatcher.pm | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/Packages/Dispatcher.pm b/lib/Packages/Dispatcher.pm
index 08c6f96..105117f 100755
--- a/lib/Packages/Dispatcher.pm
+++ b/lib/Packages/Dispatcher.pm
@@ -101,8 +101,9 @@ sub do_dispatch {
     $last_modified = $now if $now - $last_modified < 3600;
 
     if ($input->http('If-Modified-Since') and
-	(my $modtime = str2time($input->http('If-Modified-Since'), 'UTC'))) {
-	if ($modtime <= $last_modified) {
+	(my $client_timestamp = str2time($input->http('If-Modified-Since'), 'UTC'))) {
+	if ($client_timestamp > $last_modified) {
+	    # we are not modified since asked -> return "304 Not Modified"
 	    print $input->header(-status => 304);
 	    exit;
 	}
-- 
2.39.2