{
  outputs = {
    self,
    nixpkgs,
    systems,
  }: let
    eachSystem = f:
      nixpkgs.lib.genAttrs (import systems) (system:
        f {
          inherit system;
          pkgs = nixpkgs.legacyPackages.${system};
        });
  in {
    devShells = eachSystem ({pkgs, ...}: {
      default = pkgs.mkShell {
        packages = [pkgs.packwiz];
      };
    });
  };
}