macos: extract macos option globally

home/modules/alacritty.nix

@@ -2,11 +2,11 @@
 
 let
   cfg = config.snowhawk.alacritty;
+  macos = config.snowhawk.macos.enable;
 in
 {
   options.snowhawk.alacritty = {
     enable = lib.mkEnableOption "alacritty home-manager module";
-    macos = lib.mkEnableOption "macos specific tweaks";
   };
 
   config = lib.mkIf cfg.enable {
@@ -15,8 +15,8 @@ in
       settings = {
         window = {
           opacity = 0.98;
-          decorations = lib.mkIf cfg.macos "buttonless";
-          option_as_alt = lib.mkIf cfg.macos "Both";
+          decorations = lib.mkIf macos "buttonless";
+          option_as_alt = lib.mkIf macos "Both";
         };
         colors = {
           primary.background = "#050505";

home/modules/fish.nix

@@ -2,16 +2,15 @@
 
 let
   cfg = config.snowhawk.fish;
+  macos = config.snowhawk.macos.enable;
 in
 {
   options.snowhawk.fish = {
     enable = lib.mkEnableOption "fish";
-
-    macos = lib.mkEnableOption "macos specific tweaks";
   };
 
   config = lib.mkIf cfg.enable {
-    programs.bash = lib.mkIf (!cfg.macos) {
+    programs.bash = lib.mkIf (!macos) {
       enable = true;
       initExtra = ''
         if [[ $(${pkgs.procps}/bin/ps --no-header --pid=$PPID --format=comm) != "fish" && -z ''${BASH_EXECUTION_STRING} ]]
@@ -22,7 +21,7 @@ in
       '';
     };
 
-    programs.zsh = lib.mkIf cfg.macos {
+    programs.zsh = lib.mkIf macos {
       enable = true;
       initExtra = ''
         if [[ $(${pkgs.procps}/bin/ps $(${pkgs.procps}/bin/ps -p $$ -co "ppid=") -co "comm=") != "fish" && -z ''${BASH_EXECUTION_STRING} ]]

home/modules/macos.nix

@@ -0,0 +1,7 @@
+{ lib, ... }:
+
+{
+  options.snowhawk.macos = {
+    enable = lib.mkEnableOption "macos";
+  };
+}

hosts/little-lightning/home.nix

@@ -15,9 +15,9 @@
   };
   snowhawk.alacritty = {
     enable = true;
-    macos = true;
   };
-  snowhawk.fish.macos = true;
+
+  snowhawk.macos.enable = true;
 
   programs.alacritty.settings = {
     font.size = lib.mkForce 16.0;