+ if (ref $config{$key} eq "ARRAY" || ref $info{example} eq "ARRAY") {
+ @value=sort grep { length $_ } @value;
+ my @oldvalue=sort grep { length $_ }
+ (defined $config{$key} ? @{$config{$key}} : ());
+ if ((@oldvalue) == (@value)) {
+ delete $rebuild{$field};
+ }
+ else {
+ $config{$key}=\@value;
+ }
+ }
+ elsif (ref $config{$key} || ref $info{example}) {
+ error("complex field $key"); # should never happen
+ }
+ else {
+ if (defined $config{$key} && $config{$key} eq $value[0]) {
+ delete $rebuild{$field};
+ }
+ elsif (! defined $config{$key} && ! length $value[0]) {
+ delete $rebuild{$field};
+ }
+ elsif ((! defined $config{$key} || ! $config{$key}) &&
+ ! $value[0] && $info{type} eq "boolean") {
+ delete $rebuild{$field};
+ }
+ else {
+ $config{$key}=$value[0];
+ }
+ }
+ }
+
+ if (%rebuild && ! $form->field("rebuild_asked")) {
+ my $required=0;
+ foreach my $field ($form->field) {
+ $required=1 if $rebuild{$field};
+ next if exists $rebuild{$field};
+ $form->field(name => $field, type => "hidden");
+ }
+ if ($required) {
+ $form->text(gettext("The configuration changes shown below require a wiki rebuild to take effect."));
+ $buttons=["Rebuild Wiki", "Cancel"];
+ }
+ else {
+ $form->text(gettext("For the configuration changes shown below to fully take effect, you may need to rebuild the wiki."));
+ $buttons=["Rebuild Wiki", "Save Setup", "Cancel"];
+ }
+ $form->field(name => "rebuild_asked", value => 1, force => 1);
+ $form->reset(0); # doesn't really make sense here
+ }
+ else {
+ $form->field(name => "rebuild_asked", type => "hidden",
+ value => 0, force => 1);
+ # TODO save to real path
+ IkiWiki::Setup::dump("/tmp/s");
+ $form->text(gettext("Setup saved."));
+
+ if ($form->submitted eq 'Rebuild Wiki') {
+ # TODO rebuild
+ }
+ else {
+ # TODO refresh wiki and wrappers
+ }
+
+ }