anchor.diff:  
   rustPlatform.buildRustPackage rec {
     pname = "dua";
  -  version = "2.12.0";
  +  version = "2.12.1";
   
     buildInputs = lib.optionals stdenv.isDarwin [ libiconv ];
   
  
positive.code:     '';
    };
  
    cargoSha256 = "sha256-WFxDY4K257QE/tH4B2c3qOzVG3t1RUh4lWRMzqyBC14=";
  
    doCheck = false;
  
  
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 = ''
  