Fix Psysh command execution (#72)

src/Command/PsyshCommand.php

@@ -11,9 +11,13 @@
 
 namespace Fidry\PsyshBundle\Command;
 
+use Psy\Output\ShellOutput;
+use Psy\Shell;
 use Symfony\Component\Console\Application;
 use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\ArgvInput;
 use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\ConsoleOutput;
 use Symfony\Component\Console\Output\OutputInterface;
 
 /**
@@ -22,9 +26,9 @@
  */
 final class PsyshCommand extends Command
 {
-    private Application $psysh;
+    private Shell $psysh;
 
-    public function __construct(Application $psysh)
+    public function __construct(Shell $psysh)
     {
         parent::__construct();
 
@@ -38,6 +42,19 @@ protected function configure(): void
 
     protected function execute(InputInterface $input, OutputInterface $output): int
     {
+        // Reset input & output if they are the default ones used. Indeed
+        // We call Psysh Application here which will do the necessary
+        // bootstrapping.
+        // If we don't we would force the regular Symfony Application
+        // bootstrapping instead not allowing the Psysh one to kick in at all.
+        if ($input instanceof ArgvInput) {
+            $input = null;
+        }
+
+        if ($output instanceof ConsoleOutput) {
+            $output = null;
+        }
+
         return $this->psysh->run($input, $output);
     }
 }