gitweb: last-modified time should be commiter, not author

The last-modified time header added by RSS to increase cache hits from
readers should be set to the date the repository was last modified. The
author time in this respect is not a good guess because the last commit
might come from a oldish patch.

Use the committer time for the last-modified header to ensure a more
correct guess of the last time the repository was modified.

Signed-off-by: Giuseppe Bilotta <giuseppe.bilotta@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index 756868a7f9ae4444e0c6fb4966959135c2d2ae8f..8c49c75f10648aff7b2573bd0a8b0fae4deae545 100755 (executable)
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -6015,7 +6015,7 @@ sub git_feed {
        }
        if (defined($commitlist[0])) {
                %latest_commit = %{$commitlist[0]};
-               %latest_date   = parse_date($latest_commit{'author_epoch'});
+               %latest_date   = parse_date($latest_commit{'committer_epoch'});
                print $cgi->header(
                        -type => $content_type,
                        -charset => 'utf-8',