Pagekit\Console\Commands\UpdateCommand::execute PHP Метод

    protected function execute(InputInterface $input, OutputInterface $output)
    {
        $packages = [];
        foreach ((array) $this->argument('packages') as $package) {
            $path = $this->container->get('path.packages') . '/' . $package . '/composer.json';
            if (file_exists($path)) {
                $info = json_decode(file_get_contents($path), true);
            }
            if (isset($info['require']) && is_array($info['require'])) {
                $packages = array_merge($packages, $info['require']);
            }
        }
        $config = [];
        foreach (['path.temp', 'path.cache', 'path.vendor', 'path.artifact', 'path.packages', 'system.api'] as $key) {
            $config[$key] = $this->container->get($key);
        }
        $composer = new Composer($config, $output);
        $composer->install($packages, true, false, $this->option('prefer-source'));
    }