Only check domain and port uniqueness on servers

hosts/alto/default.nix

@@ -2,6 +2,11 @@
 {
   system.stateVersion = "24.11";
 
+  meta = {
+    domains.assertUnique = true;
+    ports.assertUnique = true;
+  };
+
   custom = {
     sops.enable = true;
     boot.loader.systemdBoot.enable = true;

hosts/cirrus/default.nix

@@ -2,6 +2,11 @@
 {
   system.stateVersion = "24.11";
 
+  meta = {
+    domains.assertUnique = true;
+    ports.assertUnique = true;
+  };
+
   custom = {
     sops.enable = true;
     boot.loader.grub.enable = true;

hosts/cumulus/default.nix

@@ -2,6 +2,11 @@
 {
   system.stateVersion = "24.11";
 
+  meta = {
+    domains.assertUnique = true;
+    ports.assertUnique = true;
+  };
+
   custom = {
     sops.enable = true;
     boot.loader.grub.enable = true;

modules/system/meta/domains.nix

@@ -21,9 +21,7 @@ in
         |> lib.concatLists;
       readOnly = true;
     };
-    assertUnique = lib.mkEnableOption "" // {
+    assertUnique = lib.mkEnableOption "";
-      default = true;
-    };
   };
 
   config = lib.mkIf cfg.assertUnique {

modules/system/meta/ports.nix

@@ -13,9 +13,7 @@ in
       type = lib.types.listOf lib.types.port;
       default = [ ];
     };
-    assertUnique = lib.mkEnableOption "" // {
+    assertUnique = lib.mkEnableOption "";
-      default = true;
-    };
   };
 
   config = lib.mkIf cfg.assertUnique {