add let/in with aliases

modules/homelab/default.nix

@@ -7,8 +7,8 @@
     ./nfs.nix
   ];
 
-  modules.homelab.zfs.enable = lib.mkDefault true;
-  modules.homelab.smb.enable = lib.mkDefault true;
-  modules.homelab.nfs.enable = lib.mkDefault true;
+  modules.homelab.zfs.enable = lib.mkDefault false;
+  modules.homelab.smb.enable = lib.mkDefault false;
+  modules.homelab.nfs.enable = lib.mkDefault false;
 
 }

modules/homelab/nfs.nix

@@ -2,17 +2,18 @@
 
 # define nfs exports
 let
+  cfg = config.modules.homelab.nfs;
   nfs_exports = ''
     /holocron/vault *(rw,sync,no_subtree_check,no_root_squash)
     /holocron/media *(ro,sync,no_subtree_check)
   '';
 in
 {
-  options = {
-    modules.homelab.nfs.enable = lib.mkEnableOption "enables nfs";
+  options.modules.homelab.nfs = {
+    enable = lib.mkEnableOption "enables nfs";
   };
 
-  config = lib.mkIf config.modules.homelab.nfs.enable {
+  config = lib.mkIf cfg.enable {
     # enable nfs with all exports
     services.nfs = {
       server = {

modules/homelab/smb.nix

@@ -2,6 +2,7 @@
 
 # define smb shares
 let
+  cfg = config.modules.homelab.smb;
   smb_shares = {
     vault = {
       path = "/holocron/vault";
@@ -18,11 +19,11 @@ let
   };
 in
 {
-  options = {
-    modules.homelab.smb.enable = lib.mkEnableOption "enables smb";
+  options.modules.homelab.smb = {
+    enable = lib.mkEnableOption "enables smb";
   };
 
-  config = lib.mkIf config.modules.homelab.smb.enable {
+  config = lib.mkIf cfg.enable {
     # enable smb with all shares
     services.samba = {
       enable = true;

modules/homelab/zfs.nix

@@ -1,12 +1,14 @@
 { pkgs, config, lib, ... }:
 
+let
+  cfg = config.modules.homelab.zfs;
+in
 {
-
-  options = {
-    modules.homelab.zfs.enable = lib.mkEnableOption "enables zfs";
+  options.modules.homelab.zfs = {
+    enable = lib.mkEnableOption "enables zfs";
   };
 
-  config = lib.mkIf config.modules.homelab.zfs.enable {
+  config = lib.mkIf cfg.enable {
     # set network host id
     networking.hostId = "3e6e7055";