stuff

modules/nixos/impermanence/options.nix

@@ -1,6 +1,10 @@
 { lib, namespace, ... }:
 with lib;
+let
+  inherit (lib.mjallen) mkOpt;
+in
 {
+
   options.${namespace}.impermanence = {
     enable = mkEnableOption "enable impermanence";
     persistencePath = mkOption {
@@ -8,5 +12,31 @@ with lib;
       default = "/nix/persist/system";
       description = "Path to the persistence directory";
     };
+
+    # extraDirectories = mkOpt (types.listOf types.path) [ ] "Extra directory paths to add to impermanence";
+    extraDirectories = mkOpt (types.listOf (types.either types.str (types.submodule {
+      options = {
+        directory = mkOption {
+          type = types.str;
+          description = "Directory path";
+        };
+        user = mkOption {
+          type = types.str;
+          default = "root";
+          description = "Directory owner";
+        };
+        group = mkOption {
+          type = types.str;
+          default = "root";
+          description = "Directory group";
+        };
+        mode = mkOption {
+          type = types.str;
+          default = "u=rwx,g=rx,o=";
+          description = "Directory permissions";
+        };
+      };
+    }))) [ ] "Extra directory paths to add to impermanence";
+    extraFiles = mkOpt (types.listOf types.path) [ ] "Extra file paths to add to impermanence";
   };
 }