+# inheritance of plan options
+foreach my $name (keys(%info)) {
+ if (exists($info{$name}->{'disabled'}) and $info{$name}->{'disabled'}) {
+ warn "skipping disabled plan FS::part_pkg::$name" if $DEBUG;
+ delete $plans{$name};
+ next;
+ }
+ my $parents = $info{$name}->{'inherit_fields'} || [];
+ my (%fields, %field_exists, @fieldorder);
+ foreach my $parent ($name, @$parents) {
+ %fields = ( # avoid replacing existing fields
+ %{ $info{$parent}->{'fields'} || {} },
+ %fields
+ );
+ foreach (@{ $info{$parent}->{'fieldorder'} || [] }) {
+ # avoid duplicates
+ next if $field_exists{$_};
+ $field_exists{$_} = 1;
+ # allow inheritors to remove inherited fields from the fieldorder
+ push @fieldorder, $_ if !exists($fields{$_}->{'disabled'});
+ }
+ }
+ $plans{$name}->{'fields'} = \%fields;
+ $plans{$name}->{'fieldorder'} = \@fieldorder;
+}
+