+ my @changed=(keys %rendered, @$del);
+ my @exists_changed=(@$new, @$del);
+
+ my %lc_changed = map { lc(pagename($_)) => 1 } @changed;
+ my %lc_exists_changed = map { lc(pagename($_)) => 1 } @exists_changed;
+
+ foreach my $p ("templates/page.tmpl", keys %{$depends_simple{""}}) {
+ if ($rendered{$p} || grep { $_ eq $p } @$del) {
+ foreach my $f (@$files) {
+ next if $rendered{$f};
+ render($f, sprintf(gettext("building %s, which depends on %s"), $f, $p));
+ }
+ return 0;
+ }
+ }
+
+ foreach my $f (@$files) {
+ next if $rendered{$f};
+ my $p=pagename($f);
+ my $reason = undef;
+
+ if (exists $depends_simple{$p} && ! defined $reason) {
+ foreach my $d (keys %{$depends_simple{$p}}) {
+ if (($depends_simple{$p}{$d} & $IkiWiki::DEPEND_CONTENT &&
+ $lc_changed{$d})
+ ||
+ ($depends_simple{$p}{$d} & $IkiWiki::DEPEND_PRESENCE &&
+ $lc_exists_changed{$d})
+ ||
+ ($depends_simple{$p}{$d} & $IkiWiki::DEPEND_LINKS &&
+ $linkchangers->{$d})
+ ) {
+ $reason = $d;
+ last;
+ }
+ }
+ }
+
+ if (exists $depends{$p} && ! defined $reason) {
+ foreach my $dep (keys %{$depends{$p}}) {
+ my $sub=pagespec_translate($dep);
+ next unless defined $sub;
+
+ # only consider internal files
+ # if the page explicitly depends
+ # on such files
+ my $internal_dep=$dep =~ /(?:internal|comment|comment_pending)\(/;
+
+ my $in=sub {
+ my $list=shift;
+ my $type=shift;
+ foreach my $file (@$list) {