Add zsh module options

hosts/vm/default.nix

@@ -13,4 +13,8 @@
   ];
 
   modules.hyprland.enable = true;
+  modules.zsh = {
+    enable = false;
+    defaultShell = true;
+  };
 }

modules/core/user.nix

@@ -1,11 +1,17 @@
 {
+  config,
   host,
   inputs,
+  lib,
   pkgs,
   profile,
   username,
   ...
 }:
+with lib;
+let
+  zshCfg = config.modules.zsh;
+in
 {
   imports = [ inputs.home-manager.nixosModules.home-manager ];
   home-manager = {
@@ -30,7 +36,10 @@
     extraGroups = [
       "wheel"
     ];
-    shell = pkgs.zsh;
+    shell = mkMerge [
+      (mkIf (zshCfg.enable && zshCfg.defaultShell) pkgs.zsh)
+      (mkIf (!zshCfg.enable || !zshCfg.defaultShell) pkgs.bash)
+    ];
     ignoreShellProgramCheck = true;
   };
 

modules/home/zsh/default.nix

@@ -1,17 +1,21 @@
 {
-  config,
   lib,
+  osConfig,
   pkgs,
   profile,
   ...
 }:
+with lib;
+let
+  cfg = osConfig.modules.zsh;
+in
 {
   imports = [
     ./zshrc-personal.nix
   ];
 
   programs.zsh = {
-    enable = true;
+    enable = cfg.enable;
     autosuggestion.enable = true;
     syntaxHighlighting = {
       enable = true;

modules/home/zsh/zshrc-personal.nix

@@ -1,11 +1,19 @@
 {
+  lib,
+  osConfig,
   pkgs,
   ...
 }:
+with lib;
+let
+  cfg = osConfig.modules.zsh;
+in
 {
+  config = mkIf cfg.enable {
     home.packages = with pkgs; [ zsh ];
 
     home.file."./.zshrc-personal".text = ''
       export EDITOR=vim
     '';
+  };
 }

modules/options/default.nix

@@ -4,5 +4,6 @@
 {
   imports = [
     ./hyprland.nix
+    ./zsh.nix
   ];
 }

modules/options/zsh.nix

@@ -0,0 +1,18 @@
+{
+  config,
+  lib,
+  ...
+}:
+with lib;
+let
+  cfg = config.modules.zsh;
+in
+{
+  options.modules.zsh = {
+    enable = mkEnableOption "Install ZSH";
+    defaultShell = mkEnableOption {
+      description = "Set ZSH as the default shell";
+      default = true;
+    };
+  };
+}