PHPstan analysis.

src/CommandBackup.php

@@ -28,6 +28,7 @@ class CommandBackup extends Command
             $config = Yaml::parseFile($input->getArgument('config'));
         } catch (ParseException $e) {
             $output->writeln('Unable to parse the YAML string: '. $e->getMessage());
+            return Command::FAILURE;
         }
         
         $rclone = new Rclone\Rclone();