-sub check_canedit ($$$;$) { #{{{
- my $page=shift;
- my $q=shift;
- my $session=shift;
- my $nonfatal=shift;
-
- my $canedit;
- run_hooks(canedit => sub {
- return if defined $canedit;
- my $ret=shift->($page, $q, $session);
- if (defined $ret) {
- if ($ret eq "") {
- $canedit=1;
- }
- elsif (ref $ret eq 'CODE') {
- $ret->() unless $nonfatal;
- $canedit=0;
+ my @previews;
+ foreach my $file (@{$wikistate{editpage}{previews}}) {
+ my $mtime=(stat("$config{destdir}/$file"))[9];
+ if (defined $mtime && $mtime <= $expire) {
+ # Avoid deleting a preview that was later saved.
+ my $delete=1;
+ foreach my $page (keys %renderedfiles) {
+ if (grep { $_ eq $file } @{$renderedfiles{$page}}) {
+ $delete=0;
+ }
+ }
+ if ($delete) {
+ debug(sprintf(gettext("removing old preview %s"), $file));
+ IkiWiki::prune("$config{destdir}/$file");
+ }