✨ make use of mkEnableOption

modules/config/bin/default.nix

@@ -14,13 +14,7 @@ let
   sxhkdHelp = import ./sxhkdHelp.nix { inherit pkgs; };
 in
 {
-  options.my.bin = {
-    enable = mkOption {
-      default = true;
-      type = types.bool;
-      example = false;
-    };
-  };
+  options.my.bin.enable = mkEnableOption "bin";
 
   config = mkIf cfg.enable {
     environment.systemPackages = with pkgs; [

modules/config/nix.nix

@@ -11,22 +11,21 @@ let
 in
 {
   options.my.nix = {
-    gc.enable = mkOption {
-      default = true;
-      type = types.bool;
-      example = false;
-    };
-    optimise.enable = mkOption {
-      default = true;
-      type = types.bool;
-      example = false;
+    gc = {
+      enable = mkEnableOption "nix-gc";
+      minimumFreedGB = mkOption {
+        default = 32;
+        type = types.int;
+        apply = number: toString (number * 1024 * 1024 * 1024);
+      };
     };
+    optimise.enable = mkEnableOption "nix-optimise";
   };
 
   config.nix = {
     gc = {
       automatic = cfg.gc.enable;
-      options = "--max-freed $((32 * 1024**3)) --delete-older-than 14d";
+      options = "--max-freed ${cfg.gc.minimumFreedGB} --delete-older-than 14d";
       dates = "weekly";
     };
 

modules/config/theming/default.nix

@@ -19,11 +19,7 @@ in
   ];
 
   options.my.theming = {
-    enable = mkOption {
-      default = false;
-      type = types.bool;
-      example = true;
-    };
+    enable = mkEnableOption "theming";
     scheme = mkOption {
       default = "catppuccin-macchiato";
       type = types.enum [

modules/config/wallpapers.nix

@@ -9,13 +9,7 @@ let
   cfg = config.my.wallpapers;
 in
 {
-  options.my.wallpapers = {
-    enable = mkOption {
-      default = false;
-      type = types.bool;
-      example = true;
-    };
-  };
+  options.my.wallpapers.enable = mkEnableOption "wallpapers";
 
   config = mkIf cfg.enable {
     home-manager.users.moritz.xdg = {

modules/config/yubikey.nix

@@ -9,13 +9,7 @@ let
   cfg = config.my.yubikey;
 in
 {
-  options.my.yubikey = {
-    enable = mkOption {
-      default = false;
-      type = types.bool;
-      example = true;
-    };
-  };
+  options.my.yubikey = mkEnableOption "yubikey";
 
   config = {
     services.udev.packages = [ pkgs.yubikey-personalization ];