{ lib, stdenv, fetchFromGitHub, libfaketime, xorg }:

stdenv.mkDerivation rec {
  name = "siji-${version}";
  version = "2016-05-13";

  src = fetchFromGitHub {
    owner = "stark";
    repo = "siji";
    rev = "3cbb7fe938c33aaadbb657803ea5946e5157d6e2";
    sha256 = "1408g4nxwdd682vjqpmgv0cp0bfnzzzwls62cjs9zrds16xa9dpf";
  };

  nativeBuildInputs = [ libfaketime xorg.fonttosfnt xorg.mkfontscale ];

  buildPhase = ''
    # compress pcf fonts
    gzip -n -9 pcf/*

    # convert bdf fonts to otb
    for i in bdf/*; do
        name=$(basename $i .bdf)
        faketime -f "1970-01-01 00:00:01" \
        fonttosfnt -v -o "$name.otb" "$i"
    done
  '';

  postInstall = ''
    install -m 644 -D *.otb pcf/* -t "$out/share/fonts/misc"
    install -m 644 -D bdf/* -t "$bdf/share/fonts/misc"
    mkfontdir "$out/share/fonts/misc"
    mkfontdir "$bdf/share/fonts/misc"
  '';

  outputs = [ "out" "bdf" ];

  meta = with lib; {
    homepage = "https://github.com/stark/siji";
    description = "An iconic bitmap font based on Stlarch with additional glyphs";
    license = licenses.gpl2;
    platforms = platforms.all;
    maintainers = [ maintainers.asymmetric ];
  };
}