From 7f0158313d0042d406c9d586ea58fc0862aaa3b6 Mon Sep 17 00:00:00 2001
From: Preston Hunt <me@prestonhunt.com>
Date: Fri, 26 Apr 2024 18:30:08 -0700
Subject: [PATCH] nixos/xss-lock: add warning for startx

---
 nixos/modules/programs/xss-lock.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/nixos/modules/programs/xss-lock.nix b/nixos/modules/programs/xss-lock.nix
index 1bb73905599f..7a556e41061c 100644
--- a/nixos/modules/programs/xss-lock.nix
+++ b/nixos/modules/programs/xss-lock.nix
@@ -42,5 +42,10 @@ in
         ]);
       serviceConfig.Restart = "always";
     };
+
+    warnings = lib.mkIf (config.services.xserver.displayManager.startx.enable) [
+      "xss-lock service only works if a displayManager is set; it doesn't work when services.xserver.displayManager.startx.enable = true"
+    ];
+
   };
 }