From 089b2930196a95e5111a1d21b06d6c8e76cfd011 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=B6nke=20Hahn?= <soenkehahn@gmail.com>
Date: Wed, 28 May 2014 20:12:53 +0800
Subject: [PATCH] better error message in case of missing uids

---
 nixos/modules/config/users-groups.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nixos/modules/config/users-groups.nix b/nixos/modules/config/users-groups.nix
index 873b6fb424de..5de81a773424 100644
--- a/nixos/modules/config/users-groups.nix
+++ b/nixos/modules/config/users-groups.nix
@@ -509,7 +509,7 @@ in {
         message = "uids and gids must be unique!";
       }
       { assertion = cfg.mutableUsers || (nonUidUsers == {});
-        message = "When mutableUsers is false, no uid can be null";
+        message = "When mutableUsers is false, no uid can be null: ${toString (attrNames nonUidUsers)}";
       }
       { assertion = cfg.mutableUsers || (nonGidGroups == {});
         message = "When mutableUsers is false, no gid can be null";