{ stdenv
, fetchgit
}:

let
in stdenv.mkDerivation {
  name = "prosody-auth";
  src = fetchgit {
    url = "git://git.yggdrasil.li/prosody_auth";
    rev = "803fda7486e358dc79fc26884b40f4d739559da2";
    sha256 = "2355d69f3c5440ef1377344e8dd582214b2f5e832cf9a2ff906fc6bc862f1e79";
  };
  builder = builtins.toFile "builder.sh" ''
    source $stdenv/setup

    mkdir -p $out
    cp -rv $src/mod_auth_custom $out
  '';
}