draft types

deployment/data-model.nix

@@ -18,31 +18,24 @@ let
       _class = "nixos";
     };
   };
-  runtime-environment = attrTag (
+  runtime-environment = attrTag {
-    mapAttrs
+    nixos = mkOption {
-      (
-        name: options:
-        mkOption {
       type = submoduleWith {
         modules = [
           {
-                options = options // {
+            options = {
               module = mkOption {
                 description = "The NixOS module of the run-time environment";
                 type = deferredModule;
-                    default = config.runtime-configurations.${name};
+                default = config.runtime-configurations.nixos;
                 readOnly = true;
               };
             };
           }
         ];
       };
-        }
+    };
-      )
+  };
-      {
-        nixos = { };
-      }
-  );
   application = submoduleWith {
     description = "A Fediversity application";
     modules = [