fix example

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

diff --git a/IkiWiki/Plugin/trail.pm b/IkiWiki/Plugin/trail.pm
index b73961e66d498fc4166cfda049115eecf98f3cd0..34a2ca5b681f3a81f985cf0ec5fbad363b1abc46 100644 (file)
--- a/IkiWiki/Plugin/trail.pm
+++ b/IkiWiki/Plugin/trail.pm
@@ -26,6 +26,8 @@ sub import {
 # 
 # * $pagestate{$T}{trail}{contents} 
 #   Reference to an array of lists each containing either:
+#     - [pagenames => "page1", "page2"]
+#       Those literal pages
 #     - [link => "link"]
 #       A link specification, pointing to the same page that [[link]]
 #       would select
@@ -148,8 +150,8 @@ sub preprocess_trailitems (@) {
        }
 
        if (exists $params{pagenames}) {
-               my @list = map { [link =>  $_] } split ' ', $params{pagenames};
-               push @{$pagestate{$params{page}}{trail}{contents}}, @list;
+               push @{$pagestate{$params{page}}{trail}{contents}},
+                       [pagenames => (split ' ', $params{pagenames})];
        }
 
        return "";
@@ -271,6 +273,19 @@ sub prerender {
                                        $c->[1], sort => $c->[2],
                                        reverse => $c->[3]);
                        }
+                       elsif ($c->[0] eq 'pagenames') {
+                               my @pagenames = @$c;
+                               shift @pagenames;
+                               foreach my $page (@pagenames) {
+                                       if (exists $pagesources{$page}) {
+                                               push @$members, $page;
+                                       }
+                                       else {
+                                               # rebuild trail if it turns up
+                                               add_depends($trail, $page, deptype("presence"));
+                                       }
+                               }
+                       }
                        elsif ($c->[0] eq 'link') {
                                my $best = bestlink($trail, $c->[1]);
                                push @$members, $best if length $best;