From 0ab7fcc408bf0f851c9ea2f97adc8daecbf6b0be Mon Sep 17 00:00:00 2001
From: Zhang Junyang <zhangjunyang.zjy@antgroup.com>
Date: Fri, 21 Jul 2023 12:17:12 +0800
Subject: [PATCH] Clean the iso directory before building boot image

---
 build/grub/scripts/build-grub-image.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/build/grub/scripts/build-grub-image.sh b/build/grub/scripts/build-grub-image.sh
index 1d1770984..f63a83ea2 100755
--- a/build/grub/scripts/build-grub-image.sh
+++ b/build/grub/scripts/build-grub-image.sh
@@ -4,6 +4,11 @@ set -eux
 # Cargo passes the path to the built executable as the first argument.
 KERNEL=$1
 
+# Clean up the image directory
+if [ -f target/iso_root ]; then
+    rm -rf target/iso_root
+fi
+
 # Copy the needed files into an ISO image.
 mkdir -p target/iso_root/boot
 cp $KERNEL target/iso_root/boot/jinux