let
  # ourpkgs = import ./nixpkgs-ps.nix { };
  release2105 = import ./nixpkgs-2105.nix { };
in
{ pkgs ? release2105 }:
pkgs.mkShell {
  NIX_PATH = "nixpkgs=${pkgs.path}";
  buildInputs = [
    pkgs.morph
    release2105.vagrant
    pkgs.jp
  ];
}