From 7cb3e6285078d09cb5e5d5888a6e4e5d24774da6 Mon Sep 17 00:00:00 2001
From: ShH Y <74806550+1208nn@users.noreply.github.com>
Date: Fri, 5 Dec 2025 23:06:16 +0800
Subject: [PATCH] Use sudo for grep in common.sh

---
 installers/common.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/installers/common.sh b/installers/common.sh
index bd1ba0ce..581bfb01 100644
--- a/installers/common.sh
+++ b/installers/common.sh
@@ -836,7 +836,7 @@ function _configure_networking() {
     "-A POSTROUTING -s 192.168.50.0/24 ! -d 192.168.50.0/24 -j MASQUERADE"
     )
     for rule in "${rules[@]}"; do
-        if grep -- "$rule" $rulesv4 > /dev/null; then
+        if sudo grep -- "$rule" $rulesv4 > /dev/null; then
             echo "Rule already exits: ${rule}"
         else
             rule=$(sed -e 's/^\(-A POSTROUTING\)/-t nat \1/' <<< $rule)