{inputs, ...}: {
  flake.overlays.kobo-firmware-extractor = final: prev: {
    kobo-firmware-extractor = final.stdenv.mkDerivation {
      pname = "kobo-firmware-extractor";
      version = "1.0";

      src = final.fetchFromGitHub {
        owner = "akemnade";
        repo = "kobo-firmware-extractor";
        rev = "00b8bb6512dc9671ad3df3afad42b5131f10b440";
        hash = "sha256-6tw1+6AtL/TWDc9Xp9NSKwwwh272lZLrtXm6PhSGEhg=";
      };

      phases = [
        "unpackPhase"
        "buildPhase"
      ];

      buildPhase = ''
        mkdir -p $out/bin
        gcc extract-kobohidden.c -o $out/bin/extract-kobohidden
      '';

      meta.mainProgram = "extract-kobohidden";
    };
  };
}