po: make the "backlinks involve dependencies" feature optional

It can now be configured with the po_strictly_refresh_backlinks setting.

Signed-off-by: intrigeri <intrigeri@boum.org>

1 files changed, 14 insertions, 1 deletions

diff --git a/IkiWiki/Plugin/po.pm b/IkiWiki/Plugin/po.pm
index 230ecbb8d..6f716a91f 100644
--- a/IkiWiki/Plugin/po.pm
+++ b/IkiWiki/Plugin/po.pm
@@ -126,6 +126,13 @@ sub getsetup () {
 			safe => 1,
 			rebuild => 1,
 		},
+		po_strictly_refresh_backlinks => {
+			type => "boolean",
+			example => 1,
+			description => "refresh a page when a backlinked page is changed (can hit performance)",
+			safe => 1,
+			rebuild => 1,
+		},
 }
 
 sub checkconfig () {
@@ -166,6 +173,10 @@ sub checkconfig () {
 	    ! defined $config{po_translation_status_in_links}) {
 		$config{po_translation_status_in_links}=1;
 	}
+	if (! exists $config{po_strictly_refresh_backlinks} ||
+	    ! defined $config{po_strictly_refresh_backlinks}) {
+		$config{po_strictly_refresh_backlinks}=1;
+	}
 	push @{$config{wiki_file_prune_regexps}}, qr/\.pot$/;
 }
 
@@ -307,8 +318,10 @@ sub pagetemplate (@) {
 
 sub postscan (@) {
 	my %params = @_;
-	my $page = $params{page};
 
+	return unless $config{po_strictly_refresh_backlinks};
+
+	my $page = $params{page};
 	# backlinks involve back-dependencies, so that nicepagetitle effects,
 	# such as translation status displayed in links, are updated
 	use IkiWiki::Render;