nixpkgs/pkgs/misc/brightnessctl/default.nix

{ stdenv, fetchFromGitHub, coreutils, pkg-config, systemd }:

stdenv.mkDerivation rec {
  pname = "brightnessctl";
  version = "0.5.1";

  src = fetchFromGitHub {
    owner = "Hummer12007";
    repo = "brightnessctl";
    rev = version;
    sha256 = "0immxc7almmpg80n3bdn834p3nrrz7bspl2syhb04s3lawa5y2lq";
  };

  makeFlags = [ "PREFIX=" "DESTDIR=$(out)" "ENABLE_SYSTEMD=1" ];

  postPatch = ''
    substituteInPlace 90-brightnessctl.rules --replace /bin/ ${coreutils}/bin/
    # For backward compatibility with the NixOS module / udev approach:
    substituteInPlace Makefile --replace "INSTALL_UDEV_RULES=0" "INSTALL_UDEV_RULES=1"
  '';

  nativeBuildInputs = [ pkg-config ];
  buildInputs = [ systemd ];

  meta = with stdenv.lib; {
    homepage = "https://github.com/Hummer12007/brightnessctl";
    description = "This program allows you read and control device brightness";
    license = licenses.mit;
    maintainers = with maintainers; [ megheaiulian ];
    platforms = platforms.linux;
  };

}