IkiWiki/Plugin/version.pm



#!/usr/bin/perl
# Ikiwiki version plugin.
package IkiWiki::Plugin::version;

use warnings;
use strict;
use IkiWiki 3.00;

sub import {
    hook(type => "getsetup", id => "version", call => \&getsetup);
    hook(type => "needsbuild", id => "version", call => \&needsbuild);
    hook(type => "preprocess", id => "version", call => \&preprocess);
}

sub getsetup () {
    return
        plugin => {
            safe => 1,
            rebuild => undef,
            section => "widget",
        },
}

sub needsbuild (@) {
    my $needsbuild=shift;
    foreach my $page (keys %pagestate) {
        if (exists $pagestate{$page}{version}{shown}) {
            if ($pagestate{$page}{version}{shown} ne $IkiWiki::version) {
                push @$needsbuild, $pagesources{$page};
            }
            if (exists $pagesources{$page} &&
                grep { $_ eq $pagesources{$page} } @$needsbuild) {
                # remove state, will be re-added if
                # the version is still shown during the
                # rebuild
                delete $pagestate{$page}{version}{shown};
            }
        }
    }
    return $needsbuild;
}

sub preprocess (@) {
    my %params=@_;
    $pagestate{$params{destpage}}{version}{shown}=$IkiWiki::version;
}

1