- if (%rendered || @del) {
- # rebuild dependant pages
- foreach my $f (@files) {
- next if $rendered{$f};
- my $p=pagename($f);
- if (exists $depends{$p}) {
- foreach my $file (keys %rendered, @del) {
- next if $f eq $file;
- my $page=pagename($file);
- if (pagespec_match($page, $depends{$p})) {
- debug("rendering $f, which depends on $page");
- render($f);
- $rendered{$f}=1;
- last;
+ if (%rendered || @del || @internal || @internal_change) {
+ my @changed;
+ my $changes;
+ do {
+ $changes=0;
+ @changed=(keys %rendered, @del);
+ my @exists_changed=(@add, @del);
+
+ my %lc_changed = map { lc(pagename($_)) => 1 } @changed;
+ my %lc_exists_changed = map { lc(pagename($_)) => 1 } @exists_changed;
+
+ # rebuild dependant pages
+ foreach my $f (@$files) {
+ next if $rendered{$f};
+ my $p=pagename($f);
+ my $reason = undef;
+
+ if (exists $depends_simple{$p}) {
+ foreach my $d (keys %{$depends_simple{$p}}) {
+ if (($depends_simple{$p}{$d} & $IkiWiki::DEPEND_CONTENT &&
+ exists $lc_changed{$d})
+ ||
+ ($depends_simple{$p}{$d} & $IkiWiki::DEPEND_PRESENCE &&
+ exists $lc_exists_changed{$d})) {
+ $reason = $d;
+ last;
+ }
+ }
+ }
+
+ if (exists $depends{$p} && ! defined $reason) {
+ D: foreach my $d (keys %{$depends{$p}}) {
+ my $sub=pagespec_translate($d);
+ next if $@ || ! defined $sub;
+
+ my @candidates;
+ if ($depends{$p}{$d} & $IkiWiki::DEPEND_CONTENT) {
+ @candidates=@changed;
+ }
+ elsif ($depends{$p}{$d} & $IkiWiki::DEPEND_PRESENCE) {
+ @candidates=@exists_changed;
+ }
+ # only consider internal files
+ # if the page explicitly depends
+ # on such files
+ if ($d =~ /internal\(/) {
+ if ($depends{$p}{$d} & $IkiWiki::DEPEND_CONTENT) {
+ push @candidates, @internal, @internal_change;
+ }
+ elsif ($depends{$p}{$d} & $IkiWiki::DEPEND_PRESENCE) {
+ push @candidates, @internal;
+ }
+ }
+
+ foreach my $file (@candidates) {
+ next if $file eq $f;
+ my $page=pagename($file);
+ if ($sub->($page, location => $p)) {
+ $reason = $page;
+ last D;
+ }
+ }