anchor.diff:  , rustPlatform
   , withFzf ? true
   , fzf
  +, libiconv
     # checkInputs
   , fish
   , powershell
  
positive.code:       --replace '"fzf"' '"${fzf}/bin/fzf"'
    '';
  
    cargoSha256 = "05mp101yk1zkjj1gwbkldizq6f9f8089gqgvq42c4ngq88pc7v9a";
  
    meta = with lib; {
      description = "A fast cd command that learns your habits";
  
negative.code: 
  rustPlatform.buildRustPackage rec {
    pname = "zoxide";
    version = "0.6.0";
  
    src = fetchFromGitHub {
      owner = "ajeetdsouza";
      repo = "zoxide";
      rev = "v${version}";
      sha256 = "ZeGFsVBpEhKi4EIhpQlCuriFzmHAgLYw3qE/zqfyqgU=";
    };
  
    buildInputs = lib.optionals stdenv.isDarwin [ libiconv ];
  
    # tests are broken on darwin
    doCheck = !stdenv.isDarwin;
  