Fixed command interfaces

classes/Commands/DependenciesAddAttachmentCommand.php

@@ -10,6 +10,7 @@ use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Command\Command;
 use CloudObjects\SDK\COIDParser;
 
 class DependenciesAddAttachmentCommand extends AbstractObjectCommand {
@@ -22,7 +23,7 @@ class DependenciesAddAttachmentCommand extends AbstractObjectCommand {
             ->addOption('upload', null, InputOption::VALUE_NONE, 'Calls "cloudobjects" to actually upload the file to CloudObjects.');
     }
 
-    protected function execute(InputInterface $input, OutputInterface $output) {
+    protected function execute(InputInterface $input, OutputInterface $output): int {
         $this->requireCloudObjectsCLI();
 
         $this->parse($input->getArgument('coid-target'));
@@ -58,6 +59,7 @@ class DependenciesAddAttachmentCommand extends AbstractObjectCommand {
             $output->writeln("Calling cloudobjects ...");
             passthru("cloudobjects attachment:put ".(string)$this->coid." ".$filename);
         }
+        return Command::SUCCESS;
   }
 
 }