+use IkiWiki 3.00;
+use Encode;
+use HTML::Entities;
+
+sub import {
+ hook(type => "getsetup", id => "recentchanges", call => \&getsetup);
+ hook(type => "checkconfig", id => "recentchanges", call => \&checkconfig);
+ hook(type => "refresh", id => "recentchanges", call => \&refresh);
+ hook(type => "pagetemplate", id => "recentchanges", call => \&pagetemplate);
+ hook(type => "htmlize", id => "_change", call => \&htmlize);
+ hook(type => "sessioncgi", id => "recentchanges", call => \&sessioncgi);
+ # Load goto to fix up links from recentchanges
+ IkiWiki::loadplugin("goto");
+ # ... and transient as somewhere to put our internal pages
+ IkiWiki::loadplugin("transient");
+}
+
+sub getsetup () {
+ return
+ plugin => {
+ safe => 1,
+ rebuild => 1,
+ },
+ recentchangespage => {
+ type => "string",
+ example => "recentchanges",
+ description => "name of the recentchanges page",
+ safe => 1,
+ rebuild => 1,
+ },
+ recentchangesnum => {
+ type => "integer",
+ example => 100,
+ description => "number of changes to track",
+ safe => 1,
+ rebuild => 0,
+ },
+}
+
+sub checkconfig () {
+ $config{recentchangespage}='recentchanges' unless defined $config{recentchangespage};
+ $config{recentchangesnum}=100 unless defined $config{recentchangesnum};
+}
+
+sub refresh ($) {
+ my %seen;
+
+ # add new changes
+ foreach my $change (IkiWiki::rcs_recentchanges($config{recentchangesnum})) {
+ $seen{store($change, $config{recentchangespage})}=1;
+ }
+
+ # delete old and excess changes
+ foreach my $page (keys %pagesources) {
+ if ($pagesources{$page} =~ /\._change$/ && ! $seen{$page}) {
+ unlink($IkiWiki::Plugin::transient::transientdir.'/'.$pagesources{$page}) || unlink($config{srcdir}.'/'.$pagesources{$page});
+ }
+ }
+}
+
+sub sessioncgi ($$) {
+ my ($q, $session) = @_;
+ my $do = $q->param('do');
+ my $rev = $q->param('rev');
+
+ return unless $do eq 'revert' && $rev;
+
+ my @changes=$IkiWiki::hooks{rcs}{rcs_preprevert}{call}->($rev);
+ IkiWiki::check_canchange(
+ cgi => $q,
+ session => $session,
+ changes => \@changes,
+ );
+
+ eval q{use CGI::FormBuilder};
+ error($@) if $@;
+ my $form = CGI::FormBuilder->new(
+ name => "revert",
+ header => 0,
+ charset => "utf-8",
+ method => 'POST',
+ javascript => 0,
+ params => $q,
+ action => IkiWiki::cgiurl(),
+ stylesheet => 1,
+ template => { template('revert.tmpl') },
+ fields => [qw{revertmessage do sid rev}],
+ );
+ my $buttons=["Revert", "Cancel"];
+
+ $form->field(name => "revertmessage", type => "text", size => 80);
+ $form->field(name => "sid", type => "hidden", value => $session->id,
+ force => 1);
+ $form->field(name => "do", type => "hidden", value => "revert",
+ force => 1);
+
+ IkiWiki::decode_form_utf8($form);
+
+ if ($form->submitted eq 'Revert' && $form->validate) {
+ IkiWiki::checksessionexpiry($q, $session);
+ my $message=sprintf(gettext("This reverts commit %s"), $rev);
+ if (defined $form->field('revertmessage') &&
+ length $form->field('revertmessage')) {
+ $message=$form->field('revertmessage')."\n\n".$message;
+ }
+ my $r = $IkiWiki::hooks{rcs}{rcs_revert}{call}->($rev);
+ error $r if defined $r;
+ IkiWiki::disable_commit_hook();
+ IkiWiki::rcs_commit_staged(
+ message => $message,
+ session => $session,
+ );
+ IkiWiki::enable_commit_hook();
+
+ require IkiWiki::Render;
+ IkiWiki::refresh();
+ IkiWiki::saveindex();
+ }
+ elsif ($form->submitted ne 'Cancel') {
+ $form->title(sprintf(gettext("confirm reversion of %s"), $rev));
+ $form->tmpl_param(diff => encode_entities(scalar IkiWiki::rcs_diff($rev, 200)));
+ $form->field(name => "rev", type => "hidden", value => $rev, force => 1);
+ IkiWiki::showform($form, $buttons, $session, $q);
+ exit 0;
+ }