From: Aaron Schulz <aschulz@wikimedia.org>
Date: Mon, 28 Jan 2013 06:36:28 +0000 (-0800)
Subject: [FileBackend] Added duplicate backend check.
X-Git-Tag: 1.31.0-rc.0~20880^2
X-Git-Url: http://git.cyclocoop.org/data/Luca_Pacioli_%28Gemaelde%29.jpeg?a=commitdiff_plain;h=ab0aaa6eba7bea3895248c822ddbeb028399e7f2;p=lhc%2Fweb%2Fwiklou.git

[FileBackend] Added duplicate backend check.

* Not sure when this disappeared from before.

Change-Id: I69a8ce06b2f3bae0e65fb65b63440eb0a2e1128c
---

diff --git a/includes/filebackend/FileBackendGroup.php b/includes/filebackend/FileBackendGroup.php
index 8bbc96d0de..53272045a9 100644
--- a/includes/filebackend/FileBackendGroup.php
+++ b/includes/filebackend/FileBackendGroup.php
@@ -122,7 +122,9 @@ class FileBackendGroup {
 				throw new MWException( "Cannot register a backend with no name." );
 			}
 			$name = $config['name'];
-			if ( !isset( $config['class'] ) ) {
+			if ( isset( $this->backends[$name] ) ) {
+				throw new MWException( "Backend with name `{$name}` already registered." );
+			} elseif ( !isset( $config['class'] ) ) {
 				throw new MWException( "Cannot register backend `{$name}` with no class." );
 			}
 			$class = $config['class'];