/* * Update request * * Ensure update of a solvable by either * * specifying it directly * * specify it by name * * specify a required relation * * Except when specified directly, the solver is free to choose any * solvable matching the request (by name, by relation) * * call-seq: * request.update(solvable) -> void * request.update("kernel") -> void * request.update(relation) -> void * */ void update( XSolvable *xs )