anchor.diff:  waiting_command({add_new_manifest, Manifest}, State=#state{riakc_pid=RiakcPid,
                                                              bucket=Bucket,
                                                              key=Key}) ->
  -    get_and_update(RiakcPid, Manifest, Bucket, 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,
  
positive.code:                                 Value
                          end end, Resolved),
              NewRiakObject = riakc_obj:update_value(RiakObject, term_to_binary(Marked)),
              riakc_pb_socket:put(RiakcPid, NewRiakObject),
              ok;
          {error, notfound}=NotFound ->
              NotFound
  
negative.code:                                                                  key=Key,
                                                                   riak_object=undefined,
                                                                   manifests=undefined}) ->
      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,
                                                                   riak_object=PreviousRiakObject,
  