From 8c30c3704fa144f6d09cd27b127cef507d59d753 Mon Sep 17 00:00:00 2001
From: Fomafix <fomafix@googlemail.com>
Date: Wed, 18 Sep 2019 21:46:42 +0200
Subject: [PATCH] generatePhpCharToUpperMappings: Die if fopen fails

This prevents additional errors in the following code.

Change-Id: I27770e6ca09c495ec7b6cb588c251b4014697bfe
---
 maintenance/mediawiki.Title/generatePhpCharToUpperMappings.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/maintenance/mediawiki.Title/generatePhpCharToUpperMappings.php b/maintenance/mediawiki.Title/generatePhpCharToUpperMappings.php
index e1a50ea881..9fc5513e37 100755
--- a/maintenance/mediawiki.Title/generatePhpCharToUpperMappings.php
+++ b/maintenance/mediawiki.Title/generatePhpCharToUpperMappings.php
@@ -82,6 +82,9 @@ class GeneratePhpCharToUpperMappings extends Maintenance {
 		) . "\n";
 		$outputPath = '/resources/src/mediawiki.Title/phpCharToUpper.json';
 		$file = fopen( $IP . $outputPath, 'w' );
+		if ( !$file ) {
+			$this->fatalError( "Unable to write file \"$IP$outputPath\"" );
+		}
 		fwrite( $file, $mappingJson );
 
 		$this->output( count( $data ) . " differences found.\n" );
-- 
2.20.1