po: fix some uninitalized value warnings when used by websetup

diff --git a/IkiWiki/Plugin/po.pm b/IkiWiki/Plugin/po.pm
index 759e812e61bb3218be256504585ee61e122dd4ee..7c979ebca3f88b111fcc10885751e695e937c85e 100644 (file)
--- a/IkiWiki/Plugin/po.pm
+++ b/IkiWiki/Plugin/po.pm
@@ -567,7 +567,7 @@ sub mybestlink ($$) {
        my $link=shift;
 
        return $origsubs{'bestlink'}->($page, $link)
-               if $config{po_link_to} eq "default";
+               if defined $config{po_link_to} && $config{po_link_to} eq "default";
 
        my $res=$origsubs{'bestlink'}->(masterpage($page), $link);
        my @caller = caller(1);
@@ -585,7 +585,7 @@ sub mybeautify_urlpath ($) {
        my $url=shift;
 
        my $res=$origsubs{'beautify_urlpath'}->($url);
-       if ($config{po_link_to} eq "negotiated") {
+       if (defined $config{po_link_to} && $config{po_link_to} eq "negotiated") {
                $res =~ s!/\Qindex.$config{po_master_language}{code}.$config{htmlext}\E$!/!;
                $res =~ s!/\Qindex.$config{htmlext}\E$!/!;
                map {
@@ -729,6 +729,7 @@ sub istranslatablefile ($) {
        my $type=pagetype($file);
        return 0 if ! defined $type || $type eq 'po';
        return 0 if $file =~ /\.pot$/;
+       return 0 if ! defined $config{po_translatable_pages};
        return 1 if pagespec_match(pagename($file), $config{po_translatable_pages});
        return;
 }