anchor.diff:      TargetDir = rebar_rel_utils:get_target_dir(ReltoolConfig),
   
       OldVerPath = filename:join([TargetParentDir,
  -                      rebar_rel_utils:get_previous_release_path()]),
  +                                rebar_rel_utils:get_previous_release_path()]),
   
       %% Run checks to make sure that building a package is possible
       {NewVerPath, NewName, NewVer} = run_checks(OldVerPath, ReltoolConfig),
  
positive.code:             ok;
          _ ->
              ok = file:make_symlink(
                  filename:join(["start.boot"]),
                  filename:join([".", ?TMP, "releases", Ver, Name ++ ".boot"]))
      end,
      {ok, _} =
          file:copy(
  
negative.code: 
  run_checks(OldVerPath, ReltoolConfig) ->
      true = rebar_utils:prop_check(filelib:is_dir(OldVerPath),
                                    "Release directory doesn't exist (~p)~n",
                                    [OldVerPath]),
  
      {Name, Ver} = rebar_rel_utils:get_reltool_release_info(ReltoolConfig),
  
      NewVerPath =
          filename:join([rebar_rel_utils:get_target_parent_dir(ReltoolConfig),
                         Name]),
      true = rebar_utils:prop_check(filelib:is_dir(NewVerPath),
                                    "Release directory doesn't exist (~p)~n",
                                    [NewVerPath]),
  
      {NewName, NewVer} = rebar_rel_utils:get_rel_release_info(Name, NewVerPath),
      {OldName, OldVer} = rebar_rel_utils:get_rel_release_info(Name, OldVerPath),
  
      true =
          rebar_utils:prop_check(NewName == OldName,
                                 "New and old .rel release names do not match~n",
                                 []),
      true =
          rebar_utils:prop_check(Name == NewName,
                                 "Reltool and .rel release names do not match~n",
                                 []),
      true =
          rebar_utils:prop_check(NewVer =/= OldVer,
                                 "New and old .rel contain the same version~n",
                                 []),
      true =
          rebar_utils:prop_check(Ver == NewVer,
                                 "Reltool and .rel versions do not match~n", []),
  
      {NewVerPath, NewName, NewVer}.
  
  