check for empty email

Author: guerby

lib/Command/UserAdd.php

@@ -69,9 +69,12 @@ protected function execute(InputInterface $input, OutputInterface $output): int
 		}
 
 		try {
-			$user = $this->userManager->get($uid);
-		 	$user->setSystemEMailAddress($input->getOption('email'));
-			$this->backend->setDisplayName($uid, $input->getOption('display-name'));
+			$email = $input->getOption('email');
+			if (!empty($email)) {
+			   $user = $this->userManager->get($uid);
+			   $user->setSystemEMailAddress($email);
+			   $this->backend->setDisplayName($uid, $input->getOption('display-name'));
+			}
 		} catch (\Exception $e) {
 			$output->writeln('<error>SAML create user Email and DisplayName ' . $e->getMessage() . '</error>');
 			return 1;