From c1c9cf7caf91ed4f50f670ebef33dc762bb05526 Mon Sep 17 00:00:00 2001
From: Utku Demir <utdemir@gmail.com>
Date: Tue, 9 Aug 2016 13:50:02 +0300
Subject: [PATCH] Make shell environment overridable

---
 nix/node-env.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nix/node-env.nix b/nix/node-env.nix
index 460f1b1..543137c 100644
--- a/nix/node-env.nix
+++ b/nix/node-env.nix
@@ -268,7 +268,7 @@ let
         '';
       };
     in
-    stdenv.mkDerivation {
+    stdenv.lib.makeOverridable stdenv.mkDerivation {
       name = "node-shell-${name}-${version}";
       
       buildInputs = [ python nodejs ] ++ stdenv.lib.optional (stdenv.isLinux) utillinux ++ args.buildInputs or [];