From e28ae765085b51584efa56af253348c12df4adbe Mon Sep 17 00:00:00 2001
From: daniel <daniel.kinzler@wikimedia.de>
Date: Tue, 20 Dec 2016 21:14:41 +0100
Subject: [PATCH] Use FileBaseSiteLookup if $wgSitesCacheFile is set.

Change-Id: I150011d6d2f596fb4edb9b52ed09ef2951ce6d1e
---
 includes/ServiceWiring.php | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/includes/ServiceWiring.php b/includes/ServiceWiring.php
index 4fec472ef4..ce82702f0a 100644
--- a/includes/ServiceWiring.php
+++ b/includes/ServiceWiring.php
@@ -71,8 +71,14 @@ return [
 	},
 
 	'SiteLookup' => function( MediaWikiServices $services ) {
-		// Use the default SiteStore as the SiteLookup implementation for now
-		return $services->getSiteStore();
+		$cacheFile = $services->getMainConfig()->get( 'SitesCacheFile' );
+
+		if ( $cacheFile !== false ) {
+			return new FileBasedSiteLookup( $cacheFile );
+		} else {
+			// Use the default SiteStore as the SiteLookup implementation for now
+			return $services->getSiteStore();
+		}
 	},
 
 	'ConfigFactory' => function( MediaWikiServices $services ) {
-- 
2.20.1