nntp: use grep operation for wildmat matching

Based on experiences with the IMAP server, this ought to be
significantly faster (as to be demonstrated in the next
commit).

1 files changed, 3 insertions, 1 deletions

diff --git a/lib/PublicInbox/NNTPD.pm b/lib/PublicInbox/NNTPD.pm
index 13b0f678..4de1944b 100644
--- a/lib/PublicInbox/NNTPD.pm
+++ b/lib/PublicInbox/NNTPD.pm
@@ -60,7 +60,9 @@ sub refresh_groups {
                         delete $groups->{$ngname};
                 }
         });
-        $self->{grouplist} = [ map { $groups->{$_} } sort(keys %$groups) ];
+        my @names = sort(keys %$groups);
+        $self->{grouplist} = [ map { $groups->{$_} } @names ];
+        $self->{groupnames} = \@names;
         $self->{pi_config} = $pi_config;
         # this will destroy old groups that got deleted
         $self->{groups} = $groups;