{
  fetchpatch,
  playerctl,
  libxkbcommon,
  callPackage,
  nixosTests,
  attrs ? { },
}:

let
  pkg = callPackage ./build.nix (
    {
      version = "unstable-2018-01-18";

      rev = "c516e8e78d39dd2b339acadc4c175347171150bb";
      sha256 = "1p9lx78cayyn7qc2q66id2xfs76jyddnqv2x1ypsvixaxwcvqgdb";
    }
    // attrs
  );
in
pkg.overrideAttrs (o: {
  buildInputs = o.buildInputs ++ [
    playerctl
    libxkbcommon
  ];

  makeFlags = o.makeFlags ++ [
    "PLAYERCTL=1"
  ];

  patches = (o.patches or [ ]) ++ [
    (fetchpatch {
      url = "https://github.com/geommer/yabar/commit/008dc1420ff684cf12ce2ef3ac9d642e054e39f5.patch";
      sha256 = "1q7nd66ai6nr2m6iqxn55gvbr4r5gjc00c8wyjc3riv31qcbqbhv";
    })
  ];

  passthru = (o.passthru or { }) // {
    tests = (o.passthru.tests or { }) // {
      inherit (nixosTests) yabar;
    };
  };

})