{...}: {
  flake.overlays.perl = final: prev: {
    exiftool = prev.exiftool.overrideAttrs (old: {
      propagatedBuildInputs =
        old.propagatedBuildInputs
        or []
        ++ [
          final.perlPackages.IOCompressBrotli
        ];
    });
    perlPackages = prev.perlPackages.overrideScope (final: prev: {
      Aliencmake3 = final.callPackage ./perl/Aliencmake3.nix {};
      IOCompressBrotli = final.callPackage ./perl/IOCompressBrotli.nix {};
    });
  };
}