works now?

modules/nix/lib.nix

@@ -0,0 +1,30 @@
+{ inputs, lib, ... }:
+{
+	# Helper functions
+
+	options.flake.lib = lib.mkOption {
+		type = lib.types.attrsOf lib.types.unspecified;
+		default = { };
+	};
+
+	config.flake.lib = {
+		mkNixos = system: name: {
+			${name} = inputs.nixpkgs.lib.nixosSystem {
+				modules = [
+					inputs.self.modules.nixos.${name}
+					{ nixpkgs.hostPlatform = lib.mkDefault system; }
+					{ nixpkgs.config.allowUnfree = true; }
+				];
+			};
+		};
+		mkHomeManager = system: name: {
+			${name} = inputs.home-manager.lib.homeManagerConfiguration {
+				pkgs = inputs.nixpkgs.legacyPackages.${system};
+				modules = [
+					inputs.self.modules.homeManager.${name}
+					{ nixpkgs.config.allowUnfree = true; }
+				];
+			};
+		};
+	};
+}