From c6ac93152cbfe012013e994c5d1108e5008742d6 Mon Sep 17 00:00:00 2001
From: Zhaofeng Li <hello@zhaofeng.li>
Date: Tue, 29 Jun 2021 02:04:54 -0700
Subject: [PATCH] flake.nix: Pin <nixpkgs> for dev/CI

---
 flake.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/flake.nix b/flake.nix
index de78467..a7b5d62 100644
--- a/flake.nix
+++ b/flake.nix
@@ -29,6 +29,9 @@
     devShell = pkgs.mkShell {
       inputsFrom = [ defaultPackage ];
       buildInputs = [ pkgs.nixUnstable ];
+      shellHook = ''
+        export NIX_PATH=nixpkgs=${pkgs.path}
+      '';
     };
   });
 }