anchor.diff:                                  Value
                           end end, Resolved),
               NewRiakObject = riakc_obj:update_value(RiakObject, term_to_binary(Marked)),
  -            riakc_pb_socket:put(RiakcPid, NewRiakObject),
  +            ok = riakc_pb_socket:put(RiakcPid, NewRiakObject),
               ok;
           {error, notfound}=NotFound ->
               NotFound
  
positive.code: %%%===================================================================
  
  %% @doc Get the active manifest for an object.
  -spec active_manifest(#state{}) -> {lfs_manifest(), #state{}}.
  active_manifest(State=#state{riakc_pid=RiakcPid,
                              bucket=Bucket,
                              key=Key}) ->
  
negative.code: waiting_command({add_new_manifest, Manifest}, State=#state{riakc_pid=RiakcPid,
                                                             bucket=Bucket,
                                                             key=Key}) ->
      ok = get_and_update(RiakcPid, Manifest, Bucket, Key),
      {next_state, waiting_update_command, State}.
  
  waiting_update_command({update_manifest, Manifest}, State=#state{riakc_pid=RiakcPid,
  