www_stream: linkify cloneurl entries if they're HTTP/HTTPS

They may be other public-inbox instances which are browseable,
so provide a link to them to encourage their use as clones.

diff --git a/lib/PublicInbox/WwwStream.pm b/lib/PublicInbox/WwwStream.pm
index 62a4fe2607ee4fd3e17ad93dbd73cc87cf96b1be..34f32c0bdcdb088f056baa12e383622339321c0d 100644 (file)
--- a/lib/PublicInbox/WwwStream.pm
+++ b/lib/PublicInbox/WwwStream.pm
@@ -44,8 +44,6 @@ sub _html_end {
        my $ctx = $self->{ctx};
        my $obj = $ctx->{-inbox};
        my $desc = ascii_html($obj->description);
-       my @urls = @{$obj->cloneurl};
-       my %seen = map { $_ => 1 } @urls;
 
        # FIXME: cleanup
        my $env = $ctx->{env};
@@ -54,9 +52,15 @@ sub _html_end {
                        "$env->{SERVER_NAME}:$env->{SERVER_PORT}";
        my $http = "$scheme://$host_port".($env->{SCRIPT_NAME} || '/');
        $http = URI->new($http . $obj->{name})->canonical->as_string;
-       $seen{$http} or unshift @urls, $http;
+       my %seen = ( $http => 1 );
+       my @urls = ($http);
+       foreach my $u (@{$obj->cloneurl}) {
+               next if $seen{$u};
+               $seen{$u} = 1;
+               push @urls, $u =~ /\Ahttps?:/ ? qq(<a\nhref="$u">$u</a>) : $u;
+       }
        if (scalar(@urls) == 1) {
-               $urls .= " git clone --mirror $urls[0]";
+               $urls .= " git clone --mirror $http";
        } else {
                $urls .= "\n" .
                        join("\n", map { "\tgit clone --mirror $_" } @urls);