{
  description = "getchoo's modpack";

  inputs.nixpkgs.url = "nixpkgs/nixpkgs-unstable";

  outputs = {nixpkgs, ...}: let
    systems = [
      "x86_64-linux"
      "aarch64-linux"
      "x86_64-darwin"
      "aarch64-darwin"
    ];

    forAllSystems = nixpkgs.lib.genAttrs systems (system: nixpkgs.legacyPackages.${system});
  in {
    devShells = forAllSystems (pkgs: {
      default = pkgs.mkShell {
        packages = [pkgs.packwiz];
      };
    });
  };
}