From a5538535c215b7bffd025298f7776ad1e9b50018 Mon Sep 17 00:00:00 2001
From: LavaDesu <me@lava.moe>
Date: Sun, 23 Mar 2025 13:29:25 +1100
Subject: [PATCH] user/eww: fix null coercion

---
 modules/user/eww.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/modules/user/eww.nix b/modules/user/eww.nix
index 1a6ee54..9d839e0 100644
--- a/modules/user/eww.nix
+++ b/modules/user/eww.nix
@@ -1,6 +1,6 @@
 { config, lib, pkgs, ... }:
 let
-  inherit (lib) boolToString;
+  inherit (lib) boolToString defaultTo;
   res = pkgs.stdenvNoCC.mkDerivation {
     pname = "eww-wayland-config";
     version = "1.0.0";
@@ -10,7 +10,7 @@ let
 
       substituteInPlace $out/eww.yuck \
         --replace-fail "_BAT_ENABLED_" "${boolToString (config.me.batteryDevice != null)}" \
-        --replace-fail "_BAT_PATH_" "${config.me.batteryDevice}" \
+        --replace-fail "_BAT_PATH_" "${defaultTo "" config.me.batteryDevice}" \
         --replace-fail "_BT_ENABLED_" "${boolToString config.me.hasBluetooth}" \
         --replace-fail "_WIFI_ENABLED_" "${boolToString config.me.hasWifi}"