www: advertise clone-ability over http/https

All public-inbox instances shall be clone-able.

diff --git a/lib/PublicInbox/WWW.pm b/lib/PublicInbox/WWW.pm
index b4b012f962fb81ce0f029f59231fa162b0b5db57..95dfcbf03fad97c9810deee50e290ad37f003af2 100644 (file)
--- a/lib/PublicInbox/WWW.pm
+++ b/lib/PublicInbox/WWW.pm
@@ -244,10 +244,12 @@ sub footer {
 
        my $urls = try_cat("$git_dir/cloneurl");
        my @urls = split(/\r?\n/, $urls || '');
-       my $nurls = scalar @urls;
-       if ($nurls == 0) {
-               $urls = '($GIT_DIR/cloneurl missing)';
-       } elsif ($nurls == 1) {
+       my %seen = map { $_ => 1 } @urls;
+       my $cgi = $ctx->{cgi};
+       my $http = (ref($cgi) eq 'CGI') ? $cgi->url(-base) . "/$listname" :
+                       $cgi->base->as_string . $listname;
+       $seen{$http} or unshift @urls, $http;
+       if (scalar(@urls) == 1) {
                $urls = "git URL for <a\nhref=\"" . SSOMA_URL .
                        '">ssoma</a>: ' . $urls[0];
        } else {