{ description = "A Nix-flake-based Nix development environment"; inputs.nixpkgs.url = "https://flakehub.com/f/NixOS/nixpkgs/0.1.*.tar.gz"; outputs = { self, nixpkgs, }: let supportedSystems = ["x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin"]; forEachSupportedSystem = f: nixpkgs.lib.genAttrs supportedSystems (system: f { pkgs = import nixpkgs {inherit system;}; }); in { devShells = forEachSupportedSystem ({pkgs}: { default = pkgs.mkShell { packages = with pkgs; [ cachix lorri niv alejandra statix vulnix haskellPackages.dhall-nix ]; }; }); }; }