# Loop through all files and directories and try and import them as nixpkgs
# overlays. I've given them access to nixpkgs unstable just incase ;)
{ lib, unstable, ... }:
let
files = builtins.readDir ./.;
import_overlay = i: map (p: builtins.import (./. + ("/" + p)) { inherit unstable; }) i;
in {
  nixpkgs.overlays =
    (files # files
    |> lib.filterAttrs (n: v: v == "regular")
    |> builtins.attrNames
    |> builtins.filter (inp: inp != "default.nix"
      && (builtins.match ".*\\.nix$" inp) != null)
    |> import_overlay)
    ++
    (files # directories
    |> lib.filterAttrs (n: v: v == "directory")
    |> builtins.attrNames
    |> import_overlay);
}