Neos\Neos\Command\SiteCommandController::importCommand PHP Method

    public function importCommand($packageKey = null, $filename = null)
    {
        $exceedingArguments = $this->request->getExceedingArguments();
        if (isset($exceedingArguments[0]) && $packageKey === null && $filename === null) {
            if (file_exists($exceedingArguments[0])) {
                $filename = $exceedingArguments[0];
            } elseif ($this->packageManager->isPackageAvailable($exceedingArguments[0])) {
                $packageKey = $exceedingArguments[0];
            }
        }
        if ($packageKey === null && $filename === null) {
            $this->outputLine('You have to specify either "--package-key" or "--filename"');
            $this->quit(1);
        }
        $site = null;
        if ($filename !== null) {
            try {
                $site = $this->siteImportService->importFromFile($filename);
            } catch (\Exception $exception) {
                $this->systemLogger->logException($exception);
                $this->outputLine('<error>During the import of the file "%s" an exception occurred: %s, see log for further information.</error>', array($filename, $exception->getMessage()));
                $this->quit(1);
            }
        } else {
            try {
                $site = $this->siteImportService->importFromPackage($packageKey);
            } catch (\Exception $exception) {
                $this->systemLogger->logException($exception);
                $this->outputLine('<error>During the import of the "Sites.xml" from the package "%s" an exception occurred: %s, see log for further information.</error>', array($packageKey, $exception->getMessage()));
                $this->quit(1);
            }
        }
        $this->outputLine('Import of site "%s" finished.', array($site->getName()));
    }