Merge pull request #2 from cron-eu/symfony-4-postfix

In Symfony 4, execute() needs to return an int always

src/app/CliTools/Console/Command/Common/FixRightsCommand.php

@@ -71,6 +71,8 @@ public function execute(InputInterface $input, OutputInterface $output)
                 $this->setRights($entry);
             }
         }
+
+        return 0;
     }
 
     /**

src/app/CliTools/Console/Command/Common/SelfUpdateCommand.php

@@ -89,5 +89,7 @@ public function execute(InputInterface $input, OutputInterface $output)
         }
 
         $updateService->update($force);
+
+        return 0;
     }
 }

src/app/CliTools/Console/Command/Docker/CleanupCommand.php

@@ -57,6 +57,8 @@ public function execute(InputInterface $input, OutputInterface $output)
         $this->cleanDockerImages();
         $this->cleanDockerVolumes();
         $output->writeln('<comment>Cleanup finished</comment>');
+
+        return 0;
     }
 
     /**

src/app/CliTools/Console/Command/Mysql/BackupCommand.php

@@ -138,6 +138,8 @@ public function execute(InputInterface $input, OutputInterface $output)
         $command->executeInteractive();
 
         $output->writeln('<h2>Database "' . $database . '" stored to "' . $dumpFile . '"</h2>');
+
+        return 0;
     }
 
     /**

src/app/CliTools/Console/Command/Sync/AbstractCommand.php

@@ -409,6 +409,8 @@ public function execute(InputInterface $input, OutputInterface $output)
         }
 
         $this->cleanup();
+
+        return 0;
     }
 
     /**

src/app/CliTools/Console/Command/TYPO3/DomainCommand.php

@@ -121,6 +121,8 @@ public function execute(InputInterface $input, OutputInterface $output)
             // ##############
             $this->runTaskForDomain($dbName);
         }
+
+        return 0;
     }
 
     /**

src/app/CliTools/Console/Command/Vagrant/ShareCommand.php

@@ -189,7 +189,8 @@ public function execute(InputInterface $input, OutputInterface $output)
             $vagrant->addArgument('--ssh-once');
         }
 
-
         $vagrant->executeInteractive($opts);
+
+        return 0;
     }
 }