make another function to propagate

lib/default.nix

@@ -33,8 +33,8 @@ in rec {
     };
 
   oizysHosts = mapAttrs (name: _: mkSystem name) (readDir ../hosts);
-  oizysPkg = forAllSystems (pkgs:
-   rec {
+  oizysPkg = forAllSystems (
+    pkgs: rec {
       oizys = pkgs.callPackage ../oizys {};
       default = oizys;
     }

lib/extended.nix

@@ -1,5 +1,5 @@
 final: prev: let
-  inherit (final) hasSuffix mkEnableOption mkIf;
+  inherit (final) hasSuffix mkEnableOption mkIf mkOption types;
   runes = import ../modules/runes;
 in rec {
   enabled = {enable = true;};
@@ -33,4 +33,12 @@ in rec {
     options.oizys.${attr}.enable = mkEnableOption "enable ${attr} support";
     config = mkIf config.oizys.${attr}.enable content;
   };
+  mkDefaultOizysModule = config: attr: content: {
+    options.oizys.${attr}.enable = mkOption {
+      default = true;
+      description = "enable ${attr} support";
+      type = types.bool;
+    };
+    config = mkIf config.oizys.${attr}.enable content;
+  };
 }

modules/development/cli.nix

@@ -5,16 +5,9 @@
   config,
   ...
 }: let
-  inherit (lib) mkOption mkIf types;
-  cfg = config.oizys.cli;
-in {
-  options.oizys.cli.enable = mkOption {
-    default = true;
-    description = "Whether to enable cli.";
-    type = types.bool;
-  };
-
-  config = mkIf cfg.enable {
+  inherit (lib) mkDefaultOizysModule;
+in
+  mkDefaultOizysModule config "cli" {
     programs.direnv.enable = true;
     environment.sessionVariables = {
       DIRENV_LOG_FORMAT = "direnv: %s";
@@ -35,5 +28,4 @@ in {
       btop
       inputs.tsm.packages.${pkgs.system}.tsm
     ];
-  };
-}
+  }