anchor.diff:       {"RUN_ERL_LOG_ALIVE_MINUTES", false},
        {"RUN_ERL_LOG_GENERATIONS", false},
        {"RUN_ERL_LOG_MAXSIZE", false},
  -     {"TMPDIR", false} | L];
  -env_expand([{[_ | _] = Key, Value} | L], Lookup)
  -    when is_list(Value) ->
  -    [_ | _] = KeyExpanded = cloudi_environment:transform(Key, Lookup),
  -    [{KeyExpanded, cloudi_environment:transform(Value, Lookup)} |
  -     env_expand(L, Lookup)].
  +     {"TMPDIR", false} | L].
   
   request(Exec, #state{file_path = FilePath,
                        directory = Directory,
  
positive.code:         is_list(User) ->
              {erlang:open_port({spawn_executable, SUPath},
                                [{args, ["-s", FilePath, User]} | PortOptions]),
               ["cd ", Directory, " && exec ", Exec, "\n"]}
      end,
      true = erlang:port_command(Shell, Command),
      request_output(Shell, []).
  
negative.code:     true = filelib:is_regular(FilePath),
      [_ | _] = Directory,
      true = filelib:is_dir(Directory),
      EnvExpanded = env_reset(env_expand(Env, cloudi_environment:lookup())),
      case User of
          undefined ->
              ok;
  