The stubdomain test will use it

Signed-off-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
---
 scripts/alpine-rootfs.sh | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/scripts/alpine-rootfs.sh b/scripts/alpine-rootfs.sh
index 2671ab5662f9..18f43e6bcd9e 100755
--- a/scripts/alpine-rootfs.sh
+++ b/scripts/alpine-rootfs.sh
@@ -96,5 +96,12 @@ cd /
     echo -ne "dev\0proc\0run\0sys\0"
 } | cpio -0 -R 0:0 -H newc -o | gzip > "${COPYDIR}/rootfs.cpio.gz"
 
+if [ "$UNAME" = "x86_64" ]; then
+    # Prepare boot sector for HVM disk
+    grub-mkimage -o ${COPYDIR}/grub-core.img \
+        -O i386-pc -p '(hd0,msdos1)/boot/grub2' \
+        boot part_msdos ext2 linux biosdisk configfile normal
+fi
+
 # Print the contents for the build log
 zcat "${COPYDIR}/rootfs.cpio.gz" | cpio -tv
-- 
git-series 0.9.1