fix: robust wallpaper script with logging + skel autostart

iso-profiles/antergos/root-overlay/usr/local/bin/set-antergos-wallpaper.sh

@@ -2,16 +2,36 @@
 # One-shot wallpaper setter for Antergos NeXT
 # Runs at first login via autostart, then disables itself
 
+LOG="/tmp/antergos-wallpaper.log"
 MARKER="$HOME/.config/antergos-wallpaper-set"
+WALLPAPER="/usr/share/wallpapers/antergos-wallpaper/contents/images/adwaita-morning.webp"
+
+echo "[$(date)] Starting" > "$LOG"
 
 if [[ -f "$MARKER" ]]; then
+  echo "[$(date)] Marker exists, exiting" >> "$LOG"
   exit 0
 fi
 
-WALLPAPER="/usr/share/wallpapers/antergos-wallpaper/contents/images/adwaita-morning.webp"
-
-if [[ -f "$WALLPAPER" ]]; then
-  plasma-apply-wallpaperimage "$WALLPAPER" 2>/dev/null
+if [[ ! -f "$WALLPAPER" ]]; then
+  echo "[$(date)] Wallpaper not found: $WALLPAPER" >> "$LOG"
+  ls -la /usr/share/wallpapers/antergos-wallpaper/contents/images/ >> "$LOG" 2>&1
+  touch "$MARKER"
+  exit 1
 fi
 
+echo "[$(date)] Wallpaper found, applying..." >> "$LOG"
+
+# Retry a few times in case desktop isn't ready yet
+for i in 1 2 3; do
+  /usr/bin/plasma-apply-wallpaperimage "$WALLPAPER" >> "$LOG" 2>&1
+  RC=$?
+  echo "[$(date)] plasma-apply-wallpaperimage attempt $i exit code: $RC" >> "$LOG"
+  if [[ $RC -eq 0 ]]; then
+    break
+  fi
+  sleep 2
+done
+
 touch "$MARKER"
+echo "[$(date)] Done" >> "$LOG"