{ description = "An example NixOS configuration"; inputs = { nixpkgs = { url = "github:nixos/nixpkgs/nixos-unstable"; }; }; outputs = inputs: /* ignore:: */ let ignoreme = ({config,lib,...}: with lib; { system.nixos.revision = mkForce null; system.nixos.versionSuffix = mkForce "pre-git"; }); in { nixosConfigurations = { mysystem = inputs.nixpkgs.lib.nixosSystem { system = "x86_64-linux"; modules = [ (import ./configuration.nix) /* ignore */ ignoreme # ignore this; don't include it; it is a small helper for this example ]; }; }; }; }