nextcloud / server

	public static function checkDataDirectoryValidity($dataDirectory) {

		$l = \OC::$server->getL10N('lib');

		$errors = [];

		if ($dataDirectory[0] !== '/') {

			$errors[] = [

				'error' => $l->t('Your data directory must be an absolute path'),

				'hint' => $l->t('Check the value of "datadirectory" in your configuration')

			];

		}

		if (!file_exists($dataDirectory . '/.ocdata')) {

			$errors[] = [

				'error' => $l->t('Your data directory is invalid'),

				'hint' => $l->t('Check the value of "datadirectory" in your configuration')

			];

		}

		if (!file_exists($dataDirectory . '/.ocdata')) {

			$errors[] = [

				'error' => $l->t('Your data directory is invalid'),

				'hint' => $l->t('Ensure there is a file called ".ocdata"' .

					' in the root of the data directory.')

			];

		}

		return $errors;

	}