anchor.diff:  
   rustPlatform.buildRustPackage rec {
     pname = "dua";
  -  version = "2.17.7";
  +  version = "2.17.8";
   
     buildInputs = lib.optionals stdenv.isDarwin [ libiconv Foundation ];
   
  
positive.code:     '';
    };
  
    cargoSha256 = "sha256-xCHbS+D7ss85hklv9xftJTsctvQlAjkKtuJbTt5R8nM=";
  
    doCheck = false;
  
  
negative.code:     owner = "Byron";
      repo = "dua-cli";
      rev = "v${version}";
      sha256 = "sha256-zlXv5RY/JRDS2vzC/LhSumZX+OOeaFoOmLq5TaulGDY=";
      # Remove unicode file names which leads to different checksums on HFS+
      # vs. other filesystems because of unicode normalisation.
      postFetch = ''
  