+#!/usr/bin/perl
+package IkiWiki::Plugin::recentchanges;
+
+use warnings;
+use strict;
+use IkiWiki 2.00;
+
+sub import { #{{{
+ hook(type => "checkconfig", id => "recentchanges",
+ call => \&checkconfig);
+ hook(type => "needsbuild", id => "recentchanges",
+ call => \&needsbuild);
+ hook(type => "preprocess", id => "recentchanges",
+ call => \&preprocess);
+ hook(type => "htmlize", id => "_change",
+ call => \&htmlize);
+} #}}}
+
+sub checkconfig () { #{{{
+ updatechanges();
+} #}}}
+
+sub needsbuild () { #{{{
+ # TODO
+} #}}}
+
+sub preprocess (@) { #{{{
+ my %params=@_;
+
+ # TODO
+
+ return "";
+} #}}}
+
+# Pages with extension _change have plain html markup, pass through.
+sub htmlize (@) { #{{{
+ my %params=@_;
+ return $params{content};
+} #}}}
+
+sub store ($$) { #{{{
+ my $change=shift;
+ my $subdir=shift;
+
+ my $page="$subdir/change_".IkiWiki::titlepage($change->{rev});
+
+ # Optimisation to avoid re-writing pages. Assumes commits never
+ # change, or that any changes are not important.
+ return if exists $pagesources{$page} && ! $config{rebuild};
+
+ # Limit pages to first 10, and add links to the changed pages.
+ my $is_excess = exists $change->{pages}[10];
+ delete @{$change->{pages}}[10 .. @{$change->{pages}}] if $is_excess;
+ $change->{pages} = [
+ map {
+ if (length $config{url}) {
+ $_->{link} = "<a href=\"$config{url}/".
+ urlto($_->{page},"")."\">".
+ IkiWiki::pagetitle($_->{page})."</a>";
+ }
+ else {
+ $_->{link} = IkiWiki::pagetitle($_->{page});
+ }
+ $_;
+ } @{$change->{pages}}
+ ];
+ push @{$change->{pages}}, { link => '...' } if $is_excess;
+
+ # Fill out a template with the change info.
+ $change->{user} = IkiWiki::userlink($change->{user});
+ my $ctime=$change->{when};
+ $change->{when} = IkiWiki::displaytime($change->{when}, "%X %x");
+ my $template=template("change.tmpl", blind_cache => 1);
+ $template->param(%$change);
+ $template->param(baseurl => "$config{url}/") if length $config{url};
+ IkiWiki::run_hooks(pagetemplate => sub {
+ shift->(page => $page, destpage => $page, template => $template);
+ });
+
+ writefile($page."._change", $config{srcdir}, $template->output);
+ utime $ctime, $ctime, "$config{srcdir}/$page._change";
+} #}}}
+
+sub updatechanges () { #{{{
+ my @changelog=IkiWiki::rcs_recentchanges(100);
+ foreach my $change (@changelog) {
+ store($change, "recentchanges");
+ }
+ # TODO: delete old
+} #}}}
+
+1