avoid uninitialized value warning

[git.ikiwiki.info.git] / IkiWiki / Plugin / brokenlinks.pm

diff --git a/IkiWiki/Plugin/brokenlinks.pm b/IkiWiki/Plugin/brokenlinks.pm
index ef5837a5876c44b1082a3556d5cabe75cd24c7ef..37752dd3ef9e9b4113bfcaa1a9b49bb0a4e06bab 100644 (file)
--- a/IkiWiki/Plugin/brokenlinks.pm
+++ b/IkiWiki/Plugin/brokenlinks.pm
@@ -7,9 +7,18 @@ use strict;
 use IkiWiki 2.00;
 
 sub import { #{{{
+       hook(type => "getsetup", id => "brokenlinks", call => \&getsetup);
        hook(type => "preprocess", id => "brokenlinks", call => \&preprocess);
 } # }}}
 
+sub getsetup { #{{{
+       return
+               plugin => {
+                       safe => 1,
+                       rebuild => undef,
+               },
+} #}}}
+
 sub preprocess (@) { #{{{
        my %params=@_;
        $params{pages}="*" unless defined $params{pages};
@@ -22,7 +31,10 @@ sub preprocess (@) { #{{{
        foreach my $page (keys %links) {
                if (pagespec_match($page, $params{pages}, location => $params{page})) {
                        my $discussion=gettext("discussion");
+                       my %seen;
                        foreach my $link (@{$links{$page}}) {
+                               next if $seen{$link};
+                               $seen{$link}=1;
                                next if $link =~ /.*\/\Q$discussion\E/i && $config{discussion};
                                my $bestlink=bestlink($page, $link);
                                next if length $bestlink;