1 files changed, 20 insertions, 9 deletions

diff --git a/system-profiles/tmpfs-root.nix b/system-profiles/tmpfs-root.nix
index 23939c2e..5a04a166 100644
--- a/system-profiles/tmpfs-root.nix
+++ b/system-profiles/tmpfs-root.nix
@@ -1,14 +1,25 @@
-{ ... }: {
-  config = {
-    # system.etc.overlay.enable = true;
-
+{ options, lib, ... }: {
+  config = lib.foldr lib.recursiveUpdate {} ([
+    {
+      security.sudo.extraConfig = ''
+        Defaults lecture = never
+      '';
+    }
+  ]
+  ++ (lib.optional (options ? disko) {
+    disko.devices.nodev = {
+      "/" = {
+        fsType = "tmpfs";
+        mountOptions = [
+          "mode=0755"
+        ];
+      };
+    };
+  })
+  ++ (lib.optional (!(options ? disko)) {
     fileSystems."/" = {
       fsType = "tmpfs";
       options = [ "mode=0755" ];
     };
-
-    security.sudo.extraConfig = ''
-      Defaults lecture = never
-    '';
-  };
+  }));
 }