Improve bin

bin/strauss

@@ -1,27 +1,29 @@
 #!/usr/bin/env php
 <?php
 call_user_func(function ($version) {
-    if( ! Phar::running() ) {
-        if (is_file($autoload = getcwd() . '/vendor/autoload.php')) {
-            require $autoload;
-        } elseif (is_file($autoload = getcwd() . '/../../autoload.php')) {
-            require $autoload;
-        }
+    $autoloaders = Phar::running() === ''
+        ? []
+        : [__DIR__ . '/../vendor/autoload.php'];
+    $autoloaders[] = getcwd() . '/vendor/autoload.php';
+    $autoloaders[] = getcwd() . '/../../autoload.php';
+    $autoloaders[] = __DIR__ . '/../vendor/autoload.php';
+    $autoloaders[] = __DIR__ . '/../../../autoload.php';
 
-        if ( is_file( $autoload = __DIR__ . '/../vendor/autoload.php' ) ) {
-            require( $autoload );
-        } elseif ( is_file( $autoload = __DIR__ . '/../../../autoload.php' ) ) {
-            require( $autoload );
-        } else {
-            fwrite( STDERR,
-                'You must set up the project dependencies, run the following commands:' . PHP_EOL .
-                'curl -s http://getcomposer.org/installer | php' . PHP_EOL .
-                'php composer.phar install' . PHP_EOL
-            );
-            exit( 1 );
+    foreach ($autoloaders as $autoloader) {
+        if (!is_file($autoloader)) {
+            continue;
         }
-    } else {
-        include __DIR__ . '/../vendor/autoload.php';
+        require $autoloader;
+        break;
+    }
+
+    if (!class_exists(Composer\Autoload\ClassLoader::class)) {
+        fwrite(STDERR,
+            'You must set up the project dependencies, run the following commands:' . PHP_EOL
+            . 'curl -s https://getcomposer.org/installer | php' . PHP_EOL
+            . 'php composer.phar install' . PHP_EOL
+        );
+        exit(1);
     }
 
     $app = new BrianHenryIE\Strauss\Console\Application($version);