anchor.diff:      '';
     };
   
  -  cargoSha256 = "sha256-WFxDY4K257QE/tH4B2c3qOzVG3t1RUh4lWRMzqyBC14=";
  +  cargoSha256 = "sha256-rwgvyfjCBPe20xN6gNXBexjN/BwNhZjT1RtabKhCkJs=";
   
     doCheck = false;
   
  
positive.code: 
  rustPlatform.buildRustPackage rec {
    pname = "dua";
    version = "2.12.0";
  
    buildInputs = lib.optionals stdenv.isDarwin [ libiconv ];
  
  
negative.code:     owner = "Byron";
      repo = "dua-cli";
      rev = "v${version}";
      sha256 = "sha256-ZJCixDh2+H+G+lVgxw9H61Xy4hMg+3MbhI+e7sU4GQU=";
      # Remove unicode file names which leads to different checksums on HFS+
      # vs. other filesystems because of unicode normalisation.
      extraPostFetch = ''
  