{
  sources ? import ./npins,
  nixpkgs ? sources.nixpkgs,
  pkgs ? import nixpkgs { overlays = [ (import ./pkgs/overlay.nix) ]; },
}:
let
  check = (import sources.git-hooks).run {
    src = ./.;

    hooks = {
      # Nix Hooks
      statix.enable = true;
      deadnix.enable = true;
      rfc101 = {
        enable = true;

        name = "RFC-101 formatting";
        entry = "${pkgs.lib.getExe pkgs.nixfmt-rfc-style}";
        files = "\\.nix$";
      };

      # Misc Hooks
      commitizen.enable = true;
    };
  };
in
{
  inherit pkgs;
  tests = import ./tests { inherit pkgs; };
  shell = pkgs.mkShell {
    name = "binary-cache";
    buildInputs = check.enabledPackages;
    shellHook = ''
      ${check.shellHook}
    '';

  };
}