From 983c87a1dd371044c3e7ff0e8e662353094ddcc1 Mon Sep 17 00:00:00 2001
From: Marc Weber <marco-oweber@gmx.de>
Date: Thu, 22 Aug 2013 09:50:25 +0300
Subject: [PATCH] Improve the error message for uniq option type.
---
pkgs/lib/types.nix | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/pkgs/lib/types.nix b/pkgs/lib/types.nix
index b62c08f3af5..f9a195a80ba 100644
--- a/pkgs/lib/types.nix
+++ b/pkgs/lib/types.nix
@@ -166,7 +166,7 @@ rec {
if length list == 1 then
head list
else
- throw "Multiple definitions. Only one is allowed for this option.";
+ throw "Multiple definitions of ${elemType.name}. Only one is allowed for this option.";
};
none = elemType: mkOptionType {