From 07fdb608f741ccde87d1a8a03df4188c16fe3a88 Mon Sep 17 00:00:00 2001
From: Default email <noreply+nixpkgs@lukegb.com>
Date: Thu, 27 Jan 2022 10:19:43 +1000
Subject: [PATCH] Project import generated by Copybara.

GitOrigin-RevId: 5bb20f9dc70e9ee16e21cc404b6508654931ce41
---
 third_party/nixpkgs/nixos/modules/services/misc/nix-daemon.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/third_party/nixpkgs/nixos/modules/services/misc/nix-daemon.nix b/third_party/nixpkgs/nixos/modules/services/misc/nix-daemon.nix
index cd4408cef4..111a2ad504 100644
--- a/third_party/nixpkgs/nixos/modules/services/misc/nix-daemon.nix
+++ b/third_party/nixpkgs/nixos/modules/services/misc/nix-daemon.nix
@@ -69,7 +69,8 @@ let
           set -e
           set +o pipefail
           NIX_CONF_DIR=$PWD \
-            ${cfg.package}/bin/nix show-config ${optionalString (isNixAtLeast "2.3pre") "--no-net --option experimental-features nix-command"} \
+            ${cfg.package}/bin/nix show-config ${optionalString (isNixAtLeast "2.3pre") "--no-net"} \
+              ${optionalString (isNixAtLeast "2.4pre") "--option experimental-features nix-command"} \
             |& sed -e 's/^warning:/error:/' \
             | (! grep '${if cfg.checkConfig then "^error:" else "^error: unknown setting"}')
           set -o pipefail