humbug / phar-updater

     *

     * @param string $filePath

     */

    public function setBackupPath($filePath)

    {

        $path = realpath(dirname($filePath));

        if (!is_dir($path)) {

            throw new FilesystemException(sprintf(

                'The backup directory does not exist: %s.', $path

            ));

        }

        if (!is_writable($path)) {

            throw new FilesystemException(sprintf(

                'The backup directory is not writeable: %s.', $path

            ));

        }

        $this->backupPath = $filePath;

    }

    /**

     * Get backup path for old phar versions

     *

     * @param string $filePath

     */

    public function setRestorePath($filePath)

    {

        $path = realpath(dirname($filePath));

        if (!file_exists($path)) {

            throw new FilesystemException(sprintf(

                'The restore phar does not exist: %s.', $path

            ));

        }

        if (!is_readable($path)) {

            throw new FilesystemException(sprintf(

                'The restore file is not readable: %s.', $path

            ));

        }

        $this->restorePath = $filePath;

    }

    /**

     * Get path for the backup phar to rollback/restore from