anchor.diff:      '';
     };
   
  -  cargoSha256 = "sha256-udz1EtPchEHxkvvVFnkwSOpFz4XEBGOXRz8qWREyzvc=";
  +  cargoSha256 = "sha256-hCf6Ih2bJrMX2ntWbIrX3Dk8wI5tio+OcN4WNWuU7j4=";
   
     doCheck = false;
   
  
positive.code: 
  rustPlatform.buildRustPackage rec {
    pname = "dua";
    version = "2.13.1";
  
    buildInputs = lib.optionals stdenv.isDarwin [ libiconv ];
  
  
negative.code:     owner = "Byron";
      repo = "dua-cli";
      rev = "v${version}";
      sha256 = "sha256-46azJ7q0Ix/8wdg01hYQ2V2E4tBD/NDdHpexnFBD5so=";
      # Remove unicode file names which leads to different checksums on HFS+
      # vs. other filesystems because of unicode normalisation.
      extraPostFetch = ''
  