system/flake.nix

{
  inputs = {
    nixpkgs.url = github:NixOS/nixpkgs/nixos-unstable;

    home-manager = {
      url = github:nix-community/home-manager/master;
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = inputs @ { self, nixpkgs, ... }:
    let
      system = "x86_64-linux";
    in
    {
      homeConfigurations = import ./outputs/home.nix {
        inherit inputs system;
      };

      nixosConfigurations = import ./outputs/system.nix {
        inherit nixpkgs system;
      };

      devShells.${system} =
        let
          pkgs = import nixpkgs { inherit system; };
        in
        {
          default = pkgs.mkShell {
            packages = with pkgs; [
              stylua # lua formatter
              ormolu # haskell formatter
            ];
          };
        };
    };
}