SensioLabs\Deptrac\Command\SelfUpdateCommand::execute PHP Метод

    protected function execute(InputInterface $input, OutputInterface $output)
    {
        $output->writeln('<info>Updating deptrac to latest version...</info>');
        try {
            if ($this->container->get('updater')->update()) {
                $output->writeln('<info>Deprac was successfully updated.</info>');
                return 0;
            }
        } catch (HttpRequestException $e) {
            $output->writeln('<error>Could update deptrac.</error>');
            $output->writeln('<error>' . $e->getMessage() . '</error>');
            return 1;
        }
        $output->writeln('<info>Deprac is already the latest version.</info>');
    }