[Debug] Replaced logic for detecting filesystem case sensitivity

Dan Blows · nicolas-grekas · commit 2e81b0a94465 · 2016-03-13T11:12:56.000+01:00
diff --git a/src/Symfony/Component/Debug/DebugClassLoader.php b/src/Symfony/Component/Debug/DebugClassLoader.php
@@ -51,7 +51,16 @@ public function __construct($classLoader)
         }
 
         if (!isset(self::$caseCheck)) {
-            self::$caseCheck = false !== stripos(PHP_OS, 'win') ? (false !== stripos(PHP_OS, 'darwin') ? 2 : 1) : 0;
+            if(!file_exists(strtolower(__FILE__))) {
+                // filesystem is case sensitive
+                self::$caseCheck = 0;
+            } elseif(realpath(strtolower(__FILE__)) === __FILE__) {
+                // filesystem is not case sensitive
+                self::$caseCheck = 1;
+            } else {
+                // filesystem is not case sensitive AND realpath() fails to normalize case
+                self::$caseCheck = 2;
+            }
         }
     }
 

Original file line number	Diff line number	Diff line change
`@@ -51,7 +51,16 @@ public function __construct($classLoader)`
`51`	`51`	`}`
`52`	`52`
`53`	`53`	`if (!isset(self::$caseCheck)) {`
`54`		`- self::$caseCheck = false !== stripos(PHP_OS, 'win') ? (false !== stripos(PHP_OS, 'darwin') ? 2 : 1) : 0;`
	`54`	`+ if(!file_exists(strtolower(__FILE__))) {`
	`55`	`+ // filesystem is case sensitive`
	`56`	`+ self::$caseCheck = 0;`
	`57`	`+ } elseif(realpath(strtolower(__FILE__)) === __FILE__) {`
	`58`	`+ // filesystem is not case sensitive`
	`59`	`+ self::$caseCheck = 1;`
	`60`	`+ } else {`
	`61`	`+ // filesystem is not case sensitive AND realpath() fails to normalize case`
	`62`	`+ self::$caseCheck = 2;`
	`63`	`+ }`
`55`	`64`	`}`
`56`	`65`	`}`
`57`	`66`