From 1535857acc38b20f4e8df84f8cbd511dbc75565a Mon Sep 17 00:00:00 2001
From: Zhaofeng Li <hello@zhaofeng.li>
Date: Wed, 17 Nov 2021 22:21:00 -0800
Subject: [PATCH] Also disallow pinning to a Nixpkgs lambda in Flakes

Somehow missed this one *shrugs*
---
 src/nix/eval.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/nix/eval.nix b/src/nix/eval.nix
index b589785..3437655 100644
--- a/src/nix/eval.nix
+++ b/src/nix/eval.nix
@@ -313,7 +313,8 @@ let
       # The referenced file might return an initialized Nixpkgs attribute set directly
       else mkNixpkgs configName (import pkgConf)
     else if typeOf pkgConf == "lambda" then
-      pkgConf {}
+      if hermetic then throw (uninitializedError "a Nixpkgs lambda")
+      else pkgConf {}
     else if typeOf pkgConf == "set" then
       if pkgConf ? outputs then throw (uninitializedError "an uninitialized Nixpkgs input")
       else pkgConf