configurable home manager flake dir

modules/home-manager/rebuild.nix

@@ -1,10 +1,19 @@
 { inputs, ... }:
 {
   flake.homeModules.rebuild =
-    { pkgs, lib, ... }:
+    { pkgs, lib, config, ... }:
-    let
+    {
+      options = {
+        homeManagerFlakeDir = lib.mkOption {
+          type = lib.types.str;
+          default = "~/.config/home-manager/jsl-home";
+          description = "Path to the home-manager flake directory.";
+        };
+      };
+
+      config = let
         nixBin = lib.getExe pkgs.nix;
-      flakeDir = "~/.config/home-manager/jsl-home";
+        flakeDir = config.homeManagerFlakeDir;
       in
       {
         home.packages = with pkgs; [
@@ -21,4 +30,5 @@
           '')
         ];
       };
+    };
 }