{
  description = "A very basic flake";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
    nixpkgsveryold.url = "github:nixos/nixpkgs?ref=nixos-21.11";

    home-manager.url = "github:nix-community/home-manager";
    home-manager.inputs.nixpkgs.follows = "nixpkgs";
    nix4nvchad = {
      url = "github:nix-community/nix4nvchad";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  #outputs = { self, nixpkgs, nixpkgsveryold }:
    #let
    #  pkgs = nixpkgs.legacyPackages.x86_64-linux;
    #  pkgsold = nixpkgsveryold.legacyPackages.x86_64-linux;
    #in
    #{
    #packages.x86_64-linux.hello = pkgs.hello;
    #packages.x86_64-linux.default = pkgs.hello;
    #devShells.x86_64-linux-default = pkgs.mkShell {
    #  buildInputs = [ pkgs.neovim pkgsold.vim ];
    #  };
    #};

  outputs = { nixpkgs, home-manager, ... } @ inputs:
    let
       system = "x86_64-linux";
       pkgs = import nixpkgs {
		inherit system;
		config = {
			allowUnfree = false;
		};
	};
    in {
		nixosConfigurations = {
			biscuit = nixpkgs.lib.nixosSystem {
				specialArgs = { inherit inputs system; };
				modules = [
					./nixos/configuration.nix
				];
			};
		};
       };
}