anchor.diff:  
   
   default_repo_config() ->
  -    #{repos => [], keys => []}.
  +    #{version => 2, repos => [], keys => []}.
   
   
   default_user_config() ->
  
positive.code: get_repo_names(Repos) ->
      lists:map(fun(#{domain := Name}) -> Name end, Repos).
  
  %%% Tests
  
  load_repos_adds_default_keys_test() ->
  
negative.code:          load/1,
           load/2]).
  
  
  read(VarName, Defaults) ->
      case application:get_env(VarName) of
          {ok, {file, ConfigFile}} ->
  