{
  description = "Custom shared packages that doesn't fit in the upstream nixpkgs";

  inputs.nixpkgs.url = "github:NixOS/nixpkgs";
  inputs.flake-parts.url = "github:hercules-ci/flake-parts";
  inputs.flake-compat.url = "github:edolstra/flake-compat";
  inputs.flake-compat.flake = false;

  outputs  = { self, flake-parts, ... } @ inputs:
    flake-parts.lib.mkFlake { inherit inputs; } {
        systems = [ "aarch64-darwin" "aarch64-linux" "x86_64-darwin" "x86_64-linux" ];

        perSystem = { lib, system, ... }:
          let
            pkgs = import inputs.nixpkgs { inherit system; };

            pkgsFor = pkgs: overlays:
              import pkgs {
                inherit system overlays;
            };
            exoticPkgs = (pkgsFor inputs.nixpkgs [ self.overlays.default ]).exoticPackages;
          in
          {
            _module.args.pkgs = pkgs;

            packages = exoticPkgs;
          };

        flake = {
          overlays.default = final: prev: {
            exoticPackages = import ./pkgs { pkgs = prev; };
          };

          hydraJobs = {
            inherit (self) packages;
          };
        };
    };
}