Add depends_exact: simplified dependency tracking for dependencies on a single page

[ikiwiki.git] / IkiWiki / Render.pm

diff --git a/IkiWiki/Render.pm b/IkiWiki/Render.pm
index da2d7b4ccc1adc480c2acc20f6b5d167a8fc7ff2..121fc97e374533dbf5cb91f46059ff6926394e0e 100644 (file)
--- a/IkiWiki/Render.pm
+++ b/IkiWiki/Render.pm
@@ -210,6 +210,7 @@ sub render ($) {
        if (defined $type) {
                my $page=pagename($file);
                delete $depends{$page};
+               delete $depends_exact{$page};
                will_render($page, htmlpage($page), 1);
                return if $type=~/^_/;
                
@@ -224,6 +225,7 @@ sub render ($) {
        }
        else {
                delete $depends{$file};
+               delete $depends_exact{$file};
                will_render($file, $file, 1);
                
                if ($config{hardlink}) {
@@ -431,6 +433,7 @@ sub refresh () {
                # internal pages are not rendered
                my $page=pagename($file);
                delete $depends{$page};
+               delete $depends_exact{$page};
                foreach my $old (@{$renderedfiles{$page}}) {
                        delete $destsources{$old};
                }
@@ -454,10 +457,24 @@ sub refresh () {
        if (%rendered || @del || @internal) {
                my @changed=(keys %rendered, @del);
 
+               my %changedpages = map { pagename($_) => 1 } @changed;
+ 
                # rebuild dependant pages
                F: foreach my $f (@$files) {
                        next if $rendered{$f};
                        my $p=pagename($f);
+
+                       if (exists $depends_exact{$p}) {
+                               foreach my $d (keys %{$depends_exact{$p}}) {
+                                       if (exists $changedpages{$d}) {
+                                               debug(sprintf(gettext("building %s, which depends on %s"), $f, $p));
+                                               render($f);
+                                               $rendered{$f}=1;
+                                               next F;
+                                       }
+                               }
+                       }
+
                        if (exists $depends{$p}) {
                                foreach my $d (keys %{$depends{$p}}) {
                                        my $sub=pagespec_translate($d);