From 6c6e61843e5296f2de3de64804b507fa83a1ea8e Mon Sep 17 00:00:00 2001
From: Marek Mahut <marek.mahut@gmail.com>
Date: Thu, 16 Jan 2020 14:52:08 +0100
Subject: [PATCH] shell.nix: do not enforce purity

---
 shell.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/shell.nix b/shell.nix
index 9a0cc5bdb..07d449060 100644
--- a/shell.nix
+++ b/shell.nix
@@ -36,7 +36,8 @@ stdenv.mkDerivation {
     darwin.libobjc
     libiconv
   ];
-  LD_LIBRARY_PATH="${libffi}/lib:${libjpeg.out}/lib:${libusb1}/lib:${libressl.out}/lib";
+  LD_LIBRARY_PATH = "${libffi}/lib:${libjpeg.out}/lib:${libusb1}/lib:${libressl.out}/lib";
+  NIX_ENFORCE_PURITY = 0;
   shellHook = ''
     pipenv shell
     exit