simplify

Author: staabm

src/DependencyInjection/ContainerFactory.php

@@ -24,7 +24,6 @@
 use PHPStan\BetterReflection\SourceLocator\Type\SourceLocator;
 use PHPStan\Command\CommandHelper;
 use PHPStan\File\FileHelper;
-use PHPStan\File\FilesystemHelper;
 use PHPStan\Node\Printer\Printer;
 use PHPStan\Php\PhpVersion;
 use PHPStan\Reflection\PhpVersionStaticAccessor;
@@ -48,7 +47,6 @@
 use function spl_object_id;
 use function sprintf;
 use function str_ends_with;
-use function strtoupper;
 use function substr;
 
 /**
@@ -192,8 +190,6 @@ public static function postInitializeContainer(Container $container): void
 		$container->getService('typeSpecifier');
 
 		BleedingEdgeToggle::setBleedingEdge($container->getParameter('featureToggles')['bleedingEdge']);
-		// filename intentional in wrong case
-		FilesystemHelper::setIsCaseSensitive(is_file(__DIR__ . '/' . strtoupper(__FILE__)));
 	}
 
 	public function getCurrentWorkingDirectory(): string

src/File/FilesystemHelper.php

@@ -2,7 +2,8 @@
 
 namespace PHPStan\File;
 
-use PHPStan\ShouldNotHappenException;
+use function is_file;
+use function strtoupper;
 
 final class FilesystemHelper
 {
@@ -12,14 +13,9 @@ final class FilesystemHelper
 	public static function isCaseSensitive(): bool
 	{
 		if (self::$isCaseSensitive === null) {
-			throw new ShouldNotHappenException();
+			self::$isCaseSensitive = is_file(__DIR__ . '/' . strtoupper(__FILE__));
 		}
 		return self::$isCaseSensitive;
 	}
 
-	public static function setIsCaseSensitive(bool $isCaseSensitive): void
-	{
-		self::$isCaseSensitive = $isCaseSensitive;
-	}
-
 }