{sources ? import ../../npins}: let
  scopeOverlay = overlay: final: prev: {export = prev.export or {} // overlay final prev;};
in
  (
    import sources.nixpkgs {
      overlays = map scopeOverlay [
        (import ./overlay.nix)
        (import ../overlays/iosevka.nix)
      ];
    }
  ).export