code: protected function configure()
      {
          $this
              ->setName('init')
              ->setDescription('Creates a basic composer.json file in current directory.')
              ->setDefinition(array(
                  new InputOption('name', null, InputOption::VALUE_REQUIRED, 'Name of the package'),
                  new InputOption('description', null, InputOption::VALUE_REQUIRED, 'Description of package'),
                  new InputOption('author', null, InputOption::VALUE_REQUIRED, 'Author name of package'),
                  // new InputOption('version', null, InputOption::VALUE_NONE, 'Version of package'),
                  new InputOption('type', null, InputOption::VALUE_OPTIONAL, 'Type of package (e.g. library, project, metapackage, composer-plugin)'),
                  new InputOption('homepage', null, InputOption::VALUE_REQUIRED, 'Homepage of package'),
                  new InputOption('require', null, InputOption::VALUE_IS_ARRAY | InputOption::VALUE_REQUIRED, 'Package to require with a version constraint, e.g. foo/bar:1.0.0 or foo/bar=1.0.0 or "foo/bar 1.0.0"'),
                  new InputOption('require-dev', null, InputOption::VALUE_IS_ARRAY | InputOption::VALUE_REQUIRED, 'Package to require for development with a version constraint, e.g. foo/bar:1.0.0 or foo/bar=1.0.0 or "foo/bar 1.0.0"'),
                  new InputOption('stability', 's', InputOption::VALUE_REQUIRED, 'Minimum stability (empty or one of: '.implode(', ', array_keys(BasePackage::$stabilities)).')'),
                  new InputOption('license', 'l', InputOption::VALUE_REQUIRED, 'License of package'),
                  new InputOption('repository', null, InputOption::VALUE_REQUIRED | InputOption::VALUE_IS_ARRAY, 'Add custom repositories, either by URL or using JSON arrays'),
              ))
              ->setHelp(
                  <<<EOT
  The <info>init</info> command creates a basic composer.json file
  in the current directory.
  
  <info>php composer.phar init</info>
  
  Read more at https://getcomposer.org/doc/03-cli.md#init
  EOT
              )
          ;
      }
docs: {@inheritdoc}