From 95fee0cc33077b9d7771d1a2f997091adb2cfafd Mon Sep 17 00:00:00 2001
From: Ilia Ross <ilia@ross.gdn>
Date: Mon, 4 May 2026 17:42:40 +0200
Subject: [PATCH] Add nice header generation for saved nftables rules

---
 nftables/nftables-lib.pl | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/nftables/nftables-lib.pl b/nftables/nftables-lib.pl
index 92ac64b5a..472d11e17 100644
--- a/nftables/nftables-lib.pl
+++ b/nftables/nftables-lib.pl
@@ -2024,13 +2024,20 @@ foreach my $r (@{$table->{'rules'}}) {
 return;
 }
 
+# nftables_save_header()
+# Returns the generated-file header for saved rules
+sub nftables_save_header
+{
+return "# This file was auto-generated by the module.\n".
+       "# Manual changes may be overwritten.\n\n";
+}
 
 # dump_nftables_save(@tables)
 # Returns a string representation of the firewall rules
 sub dump_nftables_save
 {
 my (@tables) = @_;
-my $rv;
+my $rv = nftables_save_header();
 foreach my $t (@tables) {
 	if ($t->{'family'}) {
 		$rv .= "table $t->{'family'} $t->{'name'} {\n";