vibed improved gc

util/system_notify.sh

@@ -0,0 +1,23 @@
+set -o pipefail
+
+target_user="${SYSTEM_NOTIFY_USER:-alisceon}"
+urgency="${1:-normal}"
+title="${2:-System task}"
+body="${3:-}"
+
+uid="$(id -u "$target_user" 2>/dev/null || true)"
+[ -n "$uid" ] || exit 0
+
+runtime_dir="/run/user/$uid"
+bus="$runtime_dir/bus"
+[ -S "$bus" ] || exit 0
+
+runuser -u "$target_user" -- env \
+  XDG_RUNTIME_DIR="$runtime_dir" \
+  DBUS_SESSION_BUS_ADDRESS="unix:path=$bus" \
+  notify-send \
+    --app-name="NixOS maintenance" \
+    --urgency="$urgency" \
+    "$title" \
+    "$body" \
+  || exit 0