anchor.diff:  	    {ErlOutput, COutput, AppOutput, ConfigOutput}
       end.
   
  --spec store_files(string(), string(), proplists:proplist(), renderout()) -> ok.
  +-spec store_files(string(), string(), options(), renderout()) -> 'ok'.
   store_files(InterfaceFile, Module, Options, RenderOutput) ->
       {ok, Path} = file:get_cwd(),
       store_files(InterfaceFile, Module, Options, RenderOutput, Path).
  
positive.code: 	_ -> file:set_cwd(Path)
      catch
  	throw:rebar_abort ->
  	    ok =file:set_cwd(Path),
  	    fail
      end.
  
  
negative.code: 
  norm_sources(S) ->
      [nifty_utils:expand(X) || X <- S].
  