protected function configure()
{
$this->setName('self-update')->setAliases(array('selfupdate'))->addOption('force-update', 'f', InputOption::VALUE_NONE, 'It updates the installer to the latest available version without checking if it\'s older or newer than the locally installed version.')->setDescription('Update the Symfony Installer to the latest version.')->setHelp('The <info>%command.name%</info> command updates the installer to the latest available version.');
}