comment as optional argument instead of option

Signed-off-by: Maxence Lange <maxence@artificial-owl.com>

lib/Command/PointCreate.php

@@ -42,6 +42,7 @@
 use OCA\Backup\Service\PointService;
 use OCP\Files\NotFoundException;
 use OCP\Files\NotPermittedException;
+use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
@@ -83,9 +84,9 @@ protected function configure() {
 		parent::configure();
 
 		$this->setName('backup:point:create')
-			 ->setDescription('Generate a restoring point of the instance (complete or differential)')
-			 ->addOption('comment', '', InputOption::VALUE_REQUIRED, 'set a comment to the restoring point', '')
-			 ->addOption('differential', '', InputOption::VALUE_NONE, 'create a differential restoring point');
+			 ->setDescription('Generate a restoring point of the instance (complete or incremental)')
+			 ->addArgument('comment', InputArgument::OPTIONAL, 'set a comment to the restoring point', '')
+			 ->addOption('differential', '', InputOption::VALUE_NONE, 'create an differential restoring point');
 	}
 
 
@@ -110,7 +111,7 @@ protected function execute(InputInterface $input, OutputInterface $output): int
 			$this->outputService->setOutput($output);
 		}
 
-		$point = $this->pointService->create(!$input->getOption('differential'), $input->getOption('comment'));
+		$point = $this->pointService->create(!$input->getOption('differential'), $input->getArgument('comment'));
 
 		if ($o === 'none') {
 			return 0;