Merge remote-tracking branch 'refs/remotes/dgit/dgit/sid'

[ikiwiki.git] / IkiWiki / Render.pm

diff --git a/IkiWiki/Render.pm b/IkiWiki/Render.pm
index 98aab82043073e7a0af80e14087308da8a0ee4ce..58b374ad75c10896f06bb2105475c86b6747b40d 100644 (file)
--- a/IkiWiki/Render.pm
+++ b/IkiWiki/Render.pm
@@ -262,12 +262,13 @@ sub render ($$) {
        }
 }
 
-sub prune ($) {
+sub prune ($;$) {
        my $file=shift;
+       my $up_to=shift;
 
        unlink($file);
        my $dir=dirname($file);
-       while (rmdir($dir)) {
+       while ((! defined $up_to || $dir =~ m{^\Q$up_to\E\/}) && rmdir($dir)) {
                $dir=dirname($dir);
        }
 }
@@ -447,7 +448,7 @@ sub remove_del (@) {
                }
        
                foreach my $old (@{$oldrenderedfiles{$page}}) {
-                       prune($config{destdir}."/".$old);
+                       prune($config{destdir}."/".$old, $config{destdir});
                }
 
                foreach my $source (keys %destsources) {
@@ -537,7 +538,7 @@ sub remove_unrendered () {
                foreach my $file (@{$oldrenderedfiles{$page}}) {
                        if (! grep { $_ eq $file } @{$renderedfiles{$page}}) {
                                debug(sprintf(gettext("removing %s, no longer built by %s"), $file, $page));
-                               prune($config{destdir}."/".$file);
+                               prune($config{destdir}."/".$file, $config{destdir});
                        }
                }
        }
@@ -769,9 +770,17 @@ sub refresh () {
        my ($new, $internal_new)=find_new_files($files);
        my ($del, $internal_del)=find_del_files($pages);
        my ($changed, $internal_changed)=find_changed($files);
+       my %existingfiles;
        run_hooks(needsbuild => sub {
                my $ret=shift->($changed, [@$del, @$internal_del]);
-               $changed=$ret if ref $ret eq 'ARRAY';
+               if (ref $ret eq 'ARRAY' && $ret != $changed) {
+                       if (! %existingfiles) {
+                               foreach my $f (@$files) {
+                                       $existingfiles{$f}=1;
+                               }
+                       }
+                       @$changed=grep $existingfiles{$_}, @$ret;
+               }
        });
        my $oldlink_targets=calculate_old_links($changed, $del);
 
@@ -832,10 +841,10 @@ sub refresh () {
                run_hooks(rendered => sub { shift->(keys %rendered) });
                run_hooks(change => sub { shift->(keys %rendered) }); # back-compat
        }
-       run_hooks(difference => sub {
-               shift->(@$new, @$changed, @$del,
-                       @$internal_new, @$internal_changed, @$internal_del);
-       });
+       my %all_changed = map { $_ => 1 }
+               @$new, @$changed, @$del,
+               @$internal_new, @$internal_changed, @$internal_del;
+       run_hooks(changes => sub { shift->(keys %all_changed) });
 }
 
 sub clean_rendered {
@@ -844,7 +853,7 @@ sub clean_rendered {
        remove_unrendered();
        foreach my $page (keys %oldrenderedfiles) {
                foreach my $file (@{$oldrenderedfiles{$page}}) {
-                       prune($config{destdir}."/".$file);
+                       prune($config{destdir}."/".$file, $config{destdir});
                }
        }
 }