From 412ea84967cd087fc668ef6994f419bd16ac1174 Mon Sep 17 00:00:00 2001
From: oddlama <oddlama@oddlama.org>
Date: Tue, 19 Dec 2023 21:54:10 +0100
Subject: [PATCH] fix: use `cat /proc/modules` over lsmod to avoid issues with
 containerized environments

---
 modules/nftables.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/nftables.nix b/modules/nftables.nix
index efbdcf3..a699c95 100644
--- a/modules/nftables.nix
+++ b/modules/nftables.nix
@@ -108,7 +108,7 @@ in {
         checkScript = rulesetFile: name:
           pkgs.writeScript "nftables-${name}check" ''
             #! ${pkgs.runtimeShell} -e
-            if $(${pkgs.kmod}/bin/lsmod | grep -q ip_tables); then
+            if $(cat /proc/modules | grep -q ip_tables); then
               echo "Unload ip_tables before using nftables!" 1>&2
               exit 1
             else