Adjust default shell option

hosts/vm/default.nix

@@ -13,8 +13,7 @@
   ];
 
   modules.hyprland.enable = true;
-  modules.zsh = {
-    enable = false;
-    defaultShell = true;
-  };
+
+  modules.zsh.enable = true;
+  modules.shell.defaultShell = "zsh";
 }

modules/core/user.nix

@@ -11,7 +11,7 @@
 }:
 with lib;
 let
-  zshCfg = config.modules.zsh;
+  shellCfg = config.modules.shell;
 in
 {
   imports = [ inputs.home-manager.nixosModules.home-manager ];
@@ -37,10 +37,7 @@ in
     extraGroups = [
       "wheel"
     ];
-    shell = mkMerge [
-      (mkIf (zshCfg.enable && zshCfg.defaultShell) pkgs.zsh)
-      (mkIf (!zshCfg.enable || !zshCfg.defaultShell) pkgs.bash)
-    ];
+    shell = pkgs.${shellCfg.defaultShell};
     ignoreShellProgramCheck = true;
   };
 

modules/options/default.nix

@@ -4,6 +4,7 @@
 {
   imports = [
     ./hyprland.nix
+    ./shell.nix
     ./zsh.nix
   ];
 }

modules/options/shell.nix

@@ -0,0 +1,23 @@
+{
+  config,
+  lib,
+  ...
+}:
+with lib;
+let
+  cfg = config.modules.shell;
+in
+{
+  options.modules.shell = {
+    defaultShell = mkOption {
+      type = types.enum [
+        "bash"
+        "zsh"
+      ];
+      default = "zsh";
+      description = ''
+        The default shell to use for your user account.
+      '';
+    };
+  };
+}