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path: root/doc/todo/allow_site-wide_meta_definitions.mdwn
blob: 97515a3122a983eef2bd420bb88fe7c9ca8bf955 (plain)

I'd like to define [[plugins/meta]] values to apply across all pages site-wide unless the pages define their own: default values for meta definitions essentially.

Here's a patch[[!tag patch]] to achieve this (also in the "defaultmeta" branch of my github ikiwiki fork):

diff --git a/IkiWiki/Plugin/meta.pm b/IkiWiki/Plugin/meta.pm
index b229592..3132257 100644
--- a/IkiWiki/Plugin/meta.pm
+++ b/IkiWiki/Plugin/meta.pm
@@ -13,6 +13,7 @@ sub import {
 	hook(type => "needsbuild", id => "meta", call => \&needsbuild);
 	hook(type => "preprocess", id => "meta", call => \&preprocess, scan => 1);
 	hook(type => "pagetemplate", id => "meta", call => \&pagetemplate);
+	hook(type => "scan", id => "meta", call => \&scan);
 }
 
 sub getsetup () {
@@ -302,6 +303,15 @@ sub match {
 	}
 }
 
+sub scan() {
+	my %params = @_;
+	my $page = $params{page};
+    foreach my $type (map { s/^meta_//; $_ } grep /^meta_/, keys %config) {
+		$pagestate{$page}{meta}{$type} = $config{"meta_$type"}
+			unless defined $pagestate{$page}{meta}{$type};
+	}
+}
+
 package IkiWiki::PageSpec;
 
 sub match_title ($$;@) {
diff --git a/doc/ikiwiki/directive/meta.mdwn b/doc/ikiwiki/directive/meta.mdwn
index 000f461..200c4b2 100644
--- a/doc/ikiwiki/directive/meta.mdwn
+++ b/doc/ikiwiki/directive/meta.mdwn
@@ -12,6 +12,12 @@ also specifies some additional sub-parameters.
 The field values are treated as HTML entity-escaped text, so you can include
 a quote in the text by writing `"` and so on.
 
+You can also define site-wide defaults for meta values by including them
+in your setup file, e.g.
+
+	meta_copyright => "Copyright 2007 by Joey Hess",
+	meta_license   => "GPL v2+",
+
 Supported fields:
 
 * title

-- [[Jon]]