From a0e110b376fae7108a472d6df813bd5f6ffce7df Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 15 Apr 2026 18:04:02 +0000
Subject: [PATCH] fix(desktop): harden wallpaper version stamp read

Agent-Logs-Url: https://github.com/naturallaw777/staging_alpha/sessions/3c085026-21a9-4afb-b39f-1d04f1ddd49f

Co-authored-by: naturallaw777 <99053422+naturallaw777@users.noreply.github.com>
---
 modules/core/sovran_systemsos-desktop.nix | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/modules/core/sovran_systemsos-desktop.nix b/modules/core/sovran_systemsos-desktop.nix
index dea10c1..dac3b1c 100644
--- a/modules/core/sovran_systemsos-desktop.nix
+++ b/modules/core/sovran_systemsos-desktop.nix
@@ -29,7 +29,12 @@ let
     BG_DIR="/run/current-system/sw/share/backgrounds/sovran"
     ULTRAWIDE="$BG_DIR/sovran-ultrawide.png"
 
-    if [ ! -f "$WALLPAPER_STAMP" ] || [ "$(cat "$WALLPAPER_STAMP")" != "$WALLPAPER_VERSION" ]; then
+    CURRENT_WALLPAPER_VERSION=""
+    if [ -r "$WALLPAPER_STAMP" ]; then
+      read -r CURRENT_WALLPAPER_VERSION < "$WALLPAPER_STAMP"
+    fi
+
+    if [ "$CURRENT_WALLPAPER_VERSION" != "$WALLPAPER_VERSION" ]; then
       if [ -f "$ULTRAWIDE" ]; then
         ${pkgs.dconf}/bin/dconf write /org/gnome/desktop/background/picture-uri "'file://$ULTRAWIDE'"
         ${pkgs.dconf}/bin/dconf write /org/gnome/desktop/background/picture-uri-dark "'file://$ULTRAWIDE'"