anchor.diff:                      [io_lib:format(\"* ~s\t~s~n\",[V,S]) ||  {V,S} <- which_releases(TargetNode)]),
               ?INFO(\"Installed versions:~n~s\", [VerList]),
               ?INFO(\"ERROR: Unable to revert to '~s' - not installed.~n\", [Vsn]),
  -            init:stop(2)
  +            erlang:halt(2)
       end.
   
   permafy(TargetNode, Vsn) ->
  
positive.code:             ok;
          {_, pang} ->
              io:format(\"Node ~p not responding to pings.\n\", [TargetNode]),
              init:stop(1)
      end,
      {ok, Cwd} = file:get_cwd(),
      ok = rpc:call(TargetNode, file, set_cwd, [Cwd], ?TIMEOUT),
  
negative.code:         node_name=`echo $NAME_ARG | awk '{print $2}'`
          erlang_cookie=`echo $COOKIE_ARG | awk '{print $2}'`
  
          exec $ERTS_DIR/bin/escript $ERTS_DIR/bin/install_upgrade.escript $REL_NAME $node_name $erlang_cookie $2
          ;;
  
      console|console_clean|console_boot)
  