Style question

Option A

    public function execute(InputInterface $input, OutputInterface $output)
    {
        copy(__DIR__.'/stubs/LocalizedVagrantfile', $this->basePath.'/Vagrantfile');

        if (!file_exists($this->basePath.'/Homestead.yaml')) {
            copy( __DIR__ . '/stubs/Homestead.yaml', $this->basePath . '/Homestead.yaml' );
        }
        else
        {
            $this->error('Homestead.yaml exists, please delete this file before continuing.');
        }

option B

    public function execute(InputInterface $input, OutputInterface $output)
    {
        copy(__DIR__.'/stubs/LocalizedVagrantfile', $this->basePath.'/Vagrantfile');

        if (file_exists($this->basePath.'/Homestead.yaml')) {
            $this->error('Homestead.yaml exists, please delete this file before continuing.');
        }

        if (!file_exists($this->basePath.'/Homestead.yaml')) {
            copy( __DIR__ . '/stubs/Homestead.yaml', $this->basePath . '/Homestead.yaml' );
        }