oprhans: Use a combination of precense and link dependencies.

This makes it more efficient.

It also fixes a longstanding bug, where if only a small set of pages were
considered by orphans, changes to links on other pages failed to cause an
update.

1 files changed, 7 insertions, 3 deletions

diff --git a/IkiWiki/Plugin/orphans.pm b/IkiWiki/Plugin/orphans.pm
index d981670e7..ae330b23b 100644
--- a/IkiWiki/Plugin/orphans.pm
+++ b/IkiWiki/Plugin/orphans.pm
@@ -23,9 +23,13 @@ sub preprocess (@) {
 	my %params=@_;
 	$params{pages}="*" unless defined $params{pages};
 	
-	# Needs to update whenever a page is changed, added, or removed,
-	# in order to see the link changes.
-	add_depends($params{page}, $params{pages});
+	# Needs to update whenever a link changes, on any page
+	# since any page could link to one of the pages we're
+	# considering as orphans.
+	add_depends($params{page}, "*", links => 1);
+	# Also needs to update whenever potential orphans are added or
+	# removed.
+	add_depends($params{page}, $params{pages}, presence => 1);
 	
 	my @orphans;
 	foreach my $page (pagespec_match_list(