From ef8996f15ea2dd5aace0f61f9ab03f3dfa3d4975 Mon Sep 17 00:00:00 2001
From: Silvan Mosberger <infinisil@icloud.com>
Date: Fri, 9 Mar 2018 13:41:55 +0100
Subject: [PATCH] lib/types: Fix coercedTo check

Without this change

  (coercedTo str toInt int).check "foo"

would evaluate to true, even though

  (coercedTo str toInt int).merge {} [{ value = "foo"; }]

will throw an error because "foo" can't be coerced to an int.
---
 lib/types.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/types.nix b/lib/types.nix
index a334db5c7247..45b0ae5042ce 100644
--- a/lib/types.nix
+++ b/lib/types.nix
@@ -420,7 +420,7 @@ rec {
       mkOptionType rec {
         name = "coercedTo";
         description = "${finalType.description} or ${coercedType.description}";
-        check = x: finalType.check x || coercedType.check x;
+        check = x: finalType.check x || (coercedType.check x && finalType.check (coerceFunc x));
         merge = loc: defs:
           let
             coerceVal = val: