switch to php service definition

DependencyInjection/MloConsoleExtension.php

@@ -4,16 +4,16 @@
 
 use Symfony\Component\Config\FileLocator;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
-use Symfony\Component\DependencyInjection\Loader\XmlFileLoader;
+use Symfony\Component\DependencyInjection\Loader\PhpFileLoader;
 use Symfony\Component\DependencyInjection\Reference;
 use Symfony\Component\HttpKernel\DependencyInjection\Extension;
 
 final class MloConsoleExtension extends Extension
 {
     public function load(array $configs, ContainerBuilder $container)
     {
-        $loader = new XmlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
-        $loader->load('services.xml');
+        $loader = new PhpFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
+        $loader->load('services.php');
 
         $configuration = new Configuration();
         $config = $this->processConfiguration($configuration, $configs);

Resources/config/services.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace Symfony\Component\DependencyInjection\Loader\Configurator;
+
+use Mlo\ConsoleBundle\Command\ConsoleCommand;
+use Psy\Shell;
+
+return static function (ContainerConfigurator $container) {
+    $container->services()
+        ->set('mlo_console.shell', Shell::class)
+
+        ->set('mlo_console.command', ConsoleCommand::class)
+            ->args([
+                service('mlo_console.shell'),
+            ])
+            ->tag('console.command', ['command' => 'tinker'])
+    ;
+};