public function getModifiedFiles() {
		try {
			return $this->extractFromCommand ( 'git diff --name-status HEAD', function ($array) {
				$array = trim ( preg_replace ( '!\s+!', ' ', $array ) );
				return explode ( ' ', $array );
			} );
		} catch ( \Cz\Git\GitException $e ) {
			return [ ];
		}
	}