nntp: xref_by_tc: simplify slightly

[public-inbox.git] / lib / PublicInbox / NNTP.pm

diff --git a/lib/PublicInbox/NNTP.pm b/lib/PublicInbox/NNTP.pm
index e0916011902e6279c8f07db86bdf4b22cf6c0526..6728f9c528665bd0fe28b99cfa0fc9a829b3518e 100644 (file)
--- a/lib/PublicInbox/NNTP.pm
+++ b/lib/PublicInbox/NNTP.pm
@@ -422,14 +422,13 @@ sub header_append ($$$) {
 sub xref_by_tc ($$$) {
        my ($xref, $pi_cfg, $smsg) = @_;
        my $by_addr = $pi_cfg->{-by_addr};
-       my $groups = $pi_cfg->{-by_newsgroup};
        my $mid = $smsg->{mid};
        for my $f (qw(to cc)) {
                my @ibxs = map {
                        $by_addr->{lc($_)} // ()
                } (PublicInbox::Address::emails($smsg->{$f} // ''));
                for my $ibx (@ibxs) {
-                       $groups->{my $ngname = $ibx->{newsgroup}} or next;
+                       my $ngname = $ibx->{newsgroup} // next;
                        next if defined $xref->{$ngname};
                        $xref->{$ngname} = eval { $ibx->mm->num_for($mid) };
                }