nntp: cmd_xrover: use named sub for long_response

Introduce xrover_i which does the same thing as the anonymous
sub it replaces.

1 files changed, 8 insertions, 9 deletions

diff --git a/lib/PublicInbox/NNTP.pm b/lib/PublicInbox/NNTP.pm
index 9e0c1df0..95ac7d5f 100644
--- a/lib/PublicInbox/NNTP.pm
+++ b/lib/PublicInbox/NNTP.pm
@@ -803,6 +803,13 @@ sub hdr_mid_response ($$$$$$) {
         undef;
 }
 
+sub xrover_i {
+        my ($self, $beg, $end) = @_;
+        my $h = over_header_for($self->{ng}->over, $$beg, 'references');
+        more($self, "$$beg $h") if defined($h);
+        $$beg++ < $end;
+}
+
 sub cmd_xrover ($;$) {
         my ($self, $range) = @_;
         my $ng = $self->{ng} or return '412 no newsgroup selected';
@@ -812,16 +819,8 @@ sub cmd_xrover ($;$) {
         $range = $self->{article} unless defined $range;
         my $r = get_range($self, $range);
         return $r unless ref $r;
-        my ($beg, $end) = @$r;
-        my $mm = $ng->mm;
-        my $over = $ng->over;
         more($self, '224 Overview information follows');
-
-        long_response($self, sub {
-                my $h = over_header_for($over, $$beg, 'references');
-                more($self, "$$beg $h") if defined($h);
-                $$beg++ < $end;
-        });
+        long_response($self, \&xrover_i, @$r);
 }
 
 sub over_line ($$$$) {