{ unstable }:
final: prev: {
  ttpre = prev.stdenv.mkDerivation {
    pname = "ttpre";
    version = "1.0";

    src = prev.fetchurl {
      url = "https://git.causal.agency/src/plain/bin/ttpre.c?id=7d87749a623ef4f1274903f91ebaf90dcd1cc9b5";
      name = "ttpre.c";
      sha256 = "sha256-K0S12UBBvEdNHOF+O63gw0PCtYkxxWesxnpRg9iSDmk=";
    };
    nativeBuildInputs = [ prev.gcc ];
    unpackPhase = ":"; # we don't need to unpack it's just a c file
    buildPhase = "gcc -o ttpre $src";
    installPhase = ''
      mkdir -p $out/bin
      mv ttpre $out/bin
      '';


    meta = {
      description = "Wrap a file in <pre> tags";
      license = "AGPLv3";
      homepage = "https://git.causal.agency/src/";
      mainProgram = "ttpre";
      maintainers = [ "squibid" ];
    };
  };
}