From 483600163c3654ccd45c0a2716729f5624ea3c5a Mon Sep 17 00:00:00 2001
From: Jure Kajzer <freakolowsky@users.mediawiki.org>
Date: Thu, 3 Dec 2009 16:09:22 +0000
Subject: [PATCH] (bug 20159) thumbs rerendring if older that

---
 RELEASE-NOTES              | 1 +
 includes/filerepo/File.php | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index b411ed1e4c..3683eb012b 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -660,6 +660,7 @@ Hopefully we will remove this configuration var soon)
 * (bug 21740) Attempting to protect a page that doesn't exist (salting) returns "unknown error"
 * (bug 18762) both redirects and links get fixed one after another if 
   redirects-only switch is not present
+* (bug 20159) thumbnails rerendered if older that $wgThumbnailEpoch
 
 == API changes in 1.16 ==
 
diff --git a/includes/filerepo/File.php b/includes/filerepo/File.php
index c964d5a9ee..9968ace2bf 100644
--- a/includes/filerepo/File.php
+++ b/includes/filerepo/File.php
@@ -529,7 +529,7 @@ abstract class File {
 	 * @return MediaTransformOutput
 	 */
 	function transform( $params, $flags = 0 ) {
-		global $wgUseSquid, $wgIgnoreImageErrors;
+		global $wgUseSquid, $wgIgnoreImageErrors, $wgThumbnailEpoch;
 
 		wfProfileIn( __METHOD__ );
 		do {
@@ -561,7 +561,7 @@ abstract class File {
 
 			wfDebug( __METHOD__.": Doing stat for $thumbPath\n" );
 			$this->migrateThumbFile( $thumbName );
-			if ( file_exists( $thumbPath ) ) {
+			if ( ( $thumbTime = filemtime( $thumbPath ) ) !== FALSE && gmdate( 'YmdHis', $thumbTime ) >= $wgThumbnailEpoch ) {
 				$thumb = $this->handler->getTransform( $this, $thumbPath, $thumbUrl, $params );
 				break;
 			}
-- 
2.20.1