From 0c0c0eff81fe8367c7ec431651440d9312871df9 Mon Sep 17 00:00:00 2001
From: Brion Vibber <brion@users.mediawiki.org>
Date: Sun, 14 Jan 2007 10:55:23 +0000
Subject: [PATCH] Temporary(?) optimization; only update templatelinks on view
 if the page has cascading restrictions.

---
 includes/Article.php | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/includes/Article.php b/includes/Article.php
index 3a5ee31b18..ed7746d3ea 100644
--- a/includes/Article.php
+++ b/includes/Article.php
@@ -2829,7 +2829,13 @@ class Article {
 			$parserCache->save( $parserOutput, $this, $wgUser );
 		}
 
-		if ( !wfReadOnly() ) {
+		if ( !wfReadOnly() && $this->mTitle->areRestrictionsCascading() ) {
+			// templatelinks table may have become out of sync,
+			// especially if using variable-based transclusions.
+			// For paranoia, check if things have changed and if
+			// so apply updates to the database. This will ensure
+			// that cascaded protections apply as soon as the changes
+			// are visible.
 
 			# Get templates from templatelinks
 			$id = $this->mTitle->getArticleID();
-- 
2.20.1