Disable home impermanence

modules/home/impermanence.nix

@@ -7,10 +7,34 @@ let
 in {
   options = {
     sydnix.impermanence = {
-      enable = mkOption {
-        description = "Enable Impermanence";
-        type = types.bool;
-        default = false;
+      enable = mkEnableOption "impermanence";
+
+      mutableDotfiles = {
+        enable = mkEnableOption "dotfiles under impermanence";
+
+        # storeAt = mkOption {
+        #   default = "dots/config";
+        #   type = types.str;
+        #   # type = with types;
+        #   #   addCheck
+        #   #     path
+        #   #     (x: cfg.mutableDotfiles.enable
+        #   #         -> ! (elem x cfg.mutableDotfiles.directories));
+        # };
+
+        files = mkOption {
+          default = [];
+          # FIXME: Inaccurate type.
+          type = with types;
+            listOf anything;
+        };
+
+        directories = mkOption {
+          default = [];
+          # FIXME: Inaccurate type.
+          type = with types;
+            listOf anything;
+        };
       };
 
       directories = mkOption {
@@ -28,10 +52,22 @@ in {
   };
 
   config = mkIf cfg.enable {
-    home.persistence."/persist/home/${config.home.username}" = {
-      allowOther = true;
-      directories = cfg.directories;
-      files = cfg.files;
-    };
+    home.persistence = {
+      "/persist/home/${config.home.username}" = {
+        allowOther = true;
+        directories = cfg.directories;
+        files = cfg.files;
+      };
+    } // (if ! cfg.mutableDotfiles.enable
+          then {}
+          else {
+            "/persist/dots/users/${config.home.username}/dots/" = {
+              removePrefixDirectory = true;
+              directories = cfg.mutableDotfiles.directories;
+              files = cfg.mutableDotfiles.files;
+              allowOther = true;
+            };
+    });
+
   };
 }