{ pkgs ? import <nixpkgs> { inherit system; }, system ? builtins.currentSystem
}:

let nodePackages = import ./default.nix { inherit pkgs system; };
in nodePackages // {
  shell = nodePackages.shell.override {
    buildInputs = with pkgs; [
      pkgs.nodePackages.node-gyp-build
      pkgconfig

      # For sharp (dependency of the auto-favicon
      # generator). This depends on the vips (which uses
      # gobjects), and builds using node-gyp, which in turn
      # needs python.
      vips
      glib
    ];
  };
}