pinwheel: Add enable option to go module

And use it to check when to add private repository for work

hosts/pinwheel/modules/go/default.nix

@@ -1,25 +1,36 @@
-{ pkgs, ... }:
+{ pkgs, lib, config, ... }:
+let
+  enabled = config.mod.go.enable;
+in
 {
-  home-manager.users.alex = {
-    programs.go = {
-      enable = true;
-
-      package = pkgs.go_1_21;
-      goPath = "code/go";
+  options = {
+    mod.go = {
+      enable = lib.mkEnableOption "enable openpn module";
     };
+  };
 
-    home.packages = [
-      pkgs.gopls
-      pkgs.go-tools
-      pkgs.govulncheck
-      pkgs.go-licenses
-      pkgs.gotestsum
-    ];
+  config = lib.mkIf enabled {
+    home-manager.users.alex = {
+      programs.go = {
+        enable = true;
 
-    programs.zsh = {
-      envExtra = ''
-        PATH=$PATH:/home/alex/code/go/bin
-      '';
+        package = pkgs.go_1_21;
+        goPath = "code/go";
+      };
+
+      home.packages = [
+        pkgs.gopls
+        pkgs.go-tools
+        pkgs.govulncheck
+        pkgs.go-licenses
+        pkgs.gotestsum
+      ];
+
+      programs.zsh = {
+        envExtra = ''
+          PATH=$PATH:/home/alex/code/go/bin
+        '';
+      };
     };
   };
 }

hosts/pinwheel/modules/work/default.nix

@@ -1,6 +1,7 @@
 { pkgs, lib, config, ... }:
 let
   gitEnabled = config.mod.git.enable;
+  goEnabled = config.mod.go.enable;
   openvpnEnabled = config.mod.openvpn.enable;
 
   work-vpn = let
@@ -35,7 +36,7 @@ in
       ];
     };
 
-    programs.go = {
+    programs.go = lib.mkIf goEnabled {
       goPrivate = [ "gitlab.com/zebware/*" ];
     };