anchor.diff:    meta = with stdenv.lib; {
       description = "A secret manager backed by age";
       homepage = "https://github.com/woodruffw/kbs2";
  +    changelog = "https://github.com/woodruffw/kbs2/blob/v${version}/CHANGELOG.md";
       license = licenses.mit;
       maintainers = [ maintainers.marsam ];
     };
  
positive.code:     export HOME=$TMPDIR
    '';
  
    checkFlagsArray = [ "--skip=kbs2::config::tests::test_find_config_dir" ];
  
    postInstall = ''
      mkdir -p $out/share/kbs2
  
negative.code: 
  rustPlatform.buildRustPackage rec {
    pname = "kbs2";
    version = "0.2.2";
  
    src = fetchFromGitHub {
      owner = "woodruffw";
      repo = pname;
      rev = "v${version}";
      sha256 = "1qf17ga5k1shim6lk5lqp6my90gj6qldc36f6l4634kndiv2xflb";
    };
  
    cargoSha256 = "03nilfc0wvzhvx48m0qj05dqb18ypgkpkmbfj5nb96nridizwg0r";
  
    nativeBuildInputs = [ installShellFiles ]
      ++ stdenv.lib.optionals stdenv.isLinux [ python3 ];
  