+sub _fill {
+ my ($self, $pfx) = @_;
+ my $rv = {};
+
+ foreach my $k (qw(mainrepo address filter url newsgroup
+ infourl watch watchheader httpbackendmax)) {
+ my $v = $self->{"$pfx.$k"};
+ $rv->{$k} = $v if defined $v;
+ }
+
+ # TODO: more arrays, we should support multi-value for
+ # more things to encourage decentralization
+ foreach my $k (qw(altid nntpmirror)) {
+ if (defined(my $v = $self->{"$pfx.$k"})) {
+ $rv->{$k} = ref($v) eq 'ARRAY' ? $v : [ $v ];
+ }
+ }
+
+ return unless $rv->{mainrepo};
+ my $name = $pfx;
+ $name =~ s/\Apublicinbox\.//;
+ $rv->{name} = $name;
+ $rv->{-pi_config} = $self;
+ $rv = PublicInbox::Inbox->new($rv);
+ my $v = $rv->{address};
+ if (ref($v) eq 'ARRAY') {
+ $self->{-by_addr}->{lc($_)} = $rv foreach @$v;
+ } else {
+ $self->{-by_addr}->{lc($v)} = $rv;
+ }
+ if (my $ng = $rv->{newsgroup}) {
+ $self->{-by_newsgroup}->{$ng} = $rv;