{ stdenv
, fetchgit
}:

let
in stdenv.mkDerivation {
  name = "prosody-auth";
  src = fetchgit (builtins.fromJSON (builtins.readFile ./prosody-auth.json));
  builder = builtins.toFile "builder.sh" ''
    source $stdenv/setup

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