update

assets/scripts/feh-wallpaper.nix

@@ -0,0 +1,19 @@
+{ pkgs, ... }:
+let
+  feh-wallpaper-getRandom = pkgs.writeShellApplication {
+    name = "feh-wallpaper-getRandom";
+    runtimeInputs = with pkgs; [
+      feh
+    ];
+    text = ''
+      bgs=$MY_RICING_ASSETS_PATH/usr/local/share/wallpapers
+      feh --bg-fill --randomize "$bgs"/*
+    '';
+  };
+in
+pkgs.symlinkJoin {
+  name = "feh-wallpaper";
+  paths = [
+    feh-wallpaper-getRandom
+  ];
+}