config: fix NewsWWW fallback for newsgroups in HTTP URLs

Oops, added a test to prevent regressions while we're at it.

1 files changed, 2 insertions, 1 deletions

diff --git a/lib/PublicInbox/NewsWWW.pm b/lib/PublicInbox/NewsWWW.pm
index 19eb596c..5357059d 100644
--- a/lib/PublicInbox/NewsWWW.pm
+++ b/lib/PublicInbox/NewsWWW.pm
@@ -30,7 +30,6 @@ sub call {
         if (my $info = $ng_map->{$ng}) {
                 my $url = PublicInbox::Hval::prurl($env, $info->{url});
                 my $code = 301;
-                my $h = [ Location => $url, 'Content-Type' => 'text/plain' ];
                 if (defined $article && $article =~ /\A\d+\z/) {
                         my $mid = eval { ng_mid_for($ng, $info, $article) };
                         if (defined $mid) {
@@ -41,6 +40,8 @@ sub call {
                         }
                 }
 
+                my $h = [ Location => $url, 'Content-Type' => 'text/plain' ];
+
                 return [ $code, $h, [ "Redirecting to $url\n" ] ]
         }
         [ 404, [ 'Content-Type' => 'text/plain' ], [] ];