Add underlay plugin

diff --git a/IkiWiki/Plugin/underlay.pm b/IkiWiki/Plugin/underlay.pm
new file mode 100644 (file)
index 0000000..380d418
--- /dev/null
+++ b/IkiWiki/Plugin/underlay.pm
@@ -0,0 +1,40 @@
+#!/usr/bin/perl
+package IkiWiki::Plugin::underlay;
+# Copyright © 2008 Simon McVittie <http://smcv.pseudorandom.co.uk/>
+# Licensed under the GNU GPL, version 2, or any later version published by the
+# Free Software Foundation
+
+use warnings;
+use strict;
+use IkiWiki 3.00;
+
+sub import {
+       hook(type => "getsetup", id => "underlay",  call => \&getsetup);
+       hook(type => "checkconfig", id => "underlay", call => \&checkconfig);
+}
+
+sub getsetup () {
+       return
+               plugin => {
+                       safe => 0,
+                       rebuild => undef,
+               },
+               add_underlays => {
+                       type => "string",
+                       default => [],
+                       description => "extra underlay directories to add",
+                       advanced => 1,
+                       safe => 0,
+                       rebuild => 1,
+               },
+}
+
+sub checkconfig () {
+       return unless exists $config{add_underlays};
+
+       foreach my $dir (@{$config{add_underlays}}) {
+               add_underlay($dir);
+       }
+}
+
+1;