Pantheon\Terminus\Commands\Import\SiteCommand::import PHP Метод

    public function import($sitename, $url)
    {
        $site = $sitename;
        list(, $env) = $this->getSiteEnv($site, 'dev');
        $workflow = $env->import($url);
        try {
            $workflow->wait();
        } catch (\Exception $e) {
            if ($e->getMessage() == 'Successfully queued import_site') {
                throw new TerminusException('Site import failed');
            }
            throw $e;
        }
        $this->log()->notice('Imported site onto Pantheon');
    }