From 6fb86c5d80e5d525bc335a6b16336744a50bf454 Mon Sep 17 00:00:00 2001
From: "Mark A. Hershberger" <mah@everybody.org>
Date: Wed, 20 May 2015 18:07:15 -0400
Subject: [PATCH] registration: Notify of problems before filemtime, not after

Without this several lines of warning are emitted before the final error indicating the cause.

Bug: T99846
Change-Id: Ic1b9d9a80ed995273c56c447c8b044285a8843a7
---
 includes/registration/ExtensionRegistry.php | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/includes/registration/ExtensionRegistry.php b/includes/registration/ExtensionRegistry.php
index 4cad259bb7..ac396991fc 100644
--- a/includes/registration/ExtensionRegistry.php
+++ b/includes/registration/ExtensionRegistry.php
@@ -70,10 +70,18 @@ class ExtensionRegistry {
 	 */
 	public function queue( $path ) {
 		global $wgExtensionInfoMTime;
-		if ( $wgExtensionInfoMTime !== false ) {
-			$mtime = $wgExtensionInfoMTime;
-		} else {
-			$mtime = filemtime( $path );
+
+		$mtime = $wgExtensionInfoMTime;
+		if ( $mtime === false ) {
+			if ( file_exists( $path ) ) {
+				$mtime = filemtime( $path );
+			} else {
+				throw new Exception( "$path does not exist!" );
+			}
+			if ( !$mtime ) {
+				$err = error_get_last();
+				throw new Exception( "Couldn't stat $path: {$err['message']}" );
+			}
 		}
 		$this->queued[$path] = $mtime;
 	}
-- 
2.20.1