From 3ddac7a41a3b755e2317a3e9ba2b2e61b57b9fb3 Mon Sep 17 00:00:00 2001
From: Robert Hensing <robert@roberthensing.nl>
Date: Wed, 9 Mar 2022 15:48:30 +0100
Subject: [PATCH] lib.isDerivation: Simplify

---
 lib/attrsets.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/attrsets.nix b/lib/attrsets.nix
index a88947b45858..c0d3ede73d0e 100644
--- a/lib/attrsets.nix
+++ b/lib/attrsets.nix
@@ -327,7 +327,7 @@ rec {
        isDerivation "foobar"
        => false
   */
-  isDerivation = x: isAttrs x && x ? type && x.type == "derivation";
+  isDerivation = x: x.type or null == "derivation";
 
   /* Converts a store path to a fake derivation. */
   toDerivation = path: