+ 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;