{ pkgs ? import <nixpkgs> { }
, callPackage ? pkgs.callPackage
, stdenv ? pkgs.stdenv
, name ? "brownpaper"
, src ? (builtins.filterSource (path: type: baseNameOf path != "target") ./.)
}:
let
  crate2nix_tools = import "${builtins.fetchTarball { url = "https://github.com/kolloch/crate2nix/archive/0.8.0.tar.gz"; sha256 = "17mmf5sqn0fmpqrf52icq92nf1sy5yacwx9vafk43piaq433ba56"; }}/tools.nix" { inherit pkgs; };
  overrides = pkgs.defaultCrateOverrides // rec {
    nettle-sys = attrs: with pkgs; {
      nativeBuildInputs = [ clang nettle pkg-config ];
      LIBCLANG_PATH = "${clang.cc.lib}/lib";
    };
    sequoia-openpgp = attrs: with pkgs; {
      nativeBuildInputs = [ clang gmp pkg-config ];
      LIBCLANG_PATH = "${clang.cc.lib}/lib";
    };
    brownpaper = sequoia-openpgp; # requires gmp as well
  };
  client = pkgs.writeShellScriptBin "brownpaper" ''
    PATH=$PATH:${pkgs.gnupg}/bin/:${pkgs.curl}/bin/ ${./bp.sh} $@
  '';
in
{ server = (crate2nix_tools.generatedCargoNix { inherit name src; });  inherit client; }