From 521197371e008fc4e60db652bdcb0b6a9dfaf0f3 Mon Sep 17 00:00:00 2001
From: Lawrence-Tang <tangzongsheng@gmail.com>
Date: Mon, 17 Feb 2025 16:24:00 +0800
Subject: [PATCH] rockchip basefiles: update setup.sh keep fstab config for
 /opt

---
 target/linux/rockchip/armv8/base-files/root/setup.sh | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/target/linux/rockchip/armv8/base-files/root/setup.sh b/target/linux/rockchip/armv8/base-files/root/setup.sh
index b1d8dbe9c372e2..90245a28c2fcde 100755
--- a/target/linux/rockchip/armv8/base-files/root/setup.sh
+++ b/target/linux/rockchip/armv8/base-files/root/setup.sh
@@ -197,7 +197,17 @@ function init_button() {
 }
 
 function clean_fstab() {
-	while uci -q del fstab.@mount[-1]; do true; done
+	# delete all entries but keep /opt
+	local index=0
+	while uci -q get fstab.@mount[$index]; do
+		local target=$(uci -q get fstab.@mount[$index].target)
+		if [ "$target" = "/opt" ]; then
+			index=$((index + 1))
+		else
+			uci -q del fstab.@mount[$index]
+			# do not increment index because the remaining entries will shift forward after deletion
+		fi
+	done
 	uci commit fstab
 }