{ stdenv, fetchgit }:

stdenv.mkDerivation rec {
  name = "firmware-linux-nonfree-${version}";
  version = "2018-03-20";

  src = fetchgit {
    url = "https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git";
    rev = "8c1e439c967a50f0698d61aafdba3841aff10db0";
    sha256 = "110vxgahyx5dvylqrxsm5cmx4a32cl2zchvm6cgc270jz75fg7wd";
  };

  installFlags = [ "DESTDIR=$(out)" ];

  # Firmware blobs do not need fixing and should not be modified
  dontFixup = true;

  outputHashMode = "recursive";
  outputHashAlgo = "sha256";
  outputHash = "0r2g91hc7csp2fbp2ny4s4rwv0mw2m130gpnisxnhzi05hkwki66";

  meta = with stdenv.lib; {
    description = "Binary firmware collection packaged by kernel.org";
    homepage = http://packages.debian.org/sid/firmware-linux-nonfree;
    license = licenses.unfreeRedistributableFirmware;
    platforms = platforms.linux;
    maintainers = with maintainers; [ fpletz ];
    priority = 6; # give precedence to kernel firmware
  };

  passthru = { inherit version; };
}