add extra module and control beancount with it

provision/hosts/kestrel/configuration.nix

@@ -31,6 +31,7 @@
 
   # Modules 
   modules = {
+    extra.enable = true;
     desktop = {
       enable = true;
       gnome.enable = true;
@@ -46,7 +47,6 @@
       pc.enable = true;
     };
     programs = {
-      beancount.enable = true;
       borg.enable = true;
       chezmoi.apply = true;
       kitty.enable = true;

provision/modules/default.nix

@@ -4,6 +4,7 @@
     ./base
     ./desktop 
     ./devel 
+    ./extra
     ./gaming 
     ./programs 
     ./services

provision/modules/extra/default.nix

@@ -0,0 +1,7 @@
+{ lib, ... }:
+{
+  imports = [
+    ../programs/beancount.nix
+  ];
+  options.modules.extra.enable = lib.mkEnableOption "extra";
+}

provision/modules/programs/beancount.nix

@@ -1,8 +1,7 @@
 { config, lib, pkgs, user, ... }:
 
-let cfg = config.modules.programs.beancount;
+let cfg = config.modules.extra;
 in {
-  options.modules.programs.beancount.enable = lib.mkEnableOption "beancount";
   config = lib.mkIf cfg.enable {
     environment.systemPackages = with pkgs; [ 
       fava # Web interface for the double-entry bookkeeping software Beancount

provision/modules/programs/default.nix

@@ -2,7 +2,6 @@
 {
   imports = [
     ./appgate-sdp.nix
-    ./beancount.nix
     ./borg.nix
     ./chrome.nix
     ./firefox.nix