public function run()
    {
        if ($this->app->getName()) {
            $this->output->writeln($this->app->getName());
            $this->output->newline();
        }

        $commandName = $this->parameter->getArgument('command_name');

        if ($this->parameter->getCommandName() === $this->name && $commandName) {
            $this->showCommandHelp($this->parameter->getArgument('command_name'));
        } else {
            $this->showGeneralHelp();
        }

        return $this;
    }