bailout 1
fi
- einfo "Installing Grub as bootloader."
mount -t proc none "${MNTPOINT}"/proc
mount -t sysfs none "${MNTPOINT}"/sys
mount --bind /dev "${MNTPOINT}"/dev
mount --bind /dev/pts "${MNTPOINT}"/dev/pts
+# Has chroot-script installed GRUB to MBR using grub-install (successfully), already?
+# chroot-script skips installation for unset ${GRUB}
+if [[ -z "${GRUB}" ]] || ! dd if="${GRUB}" bs=512 count=1 2>/dev/null | cat -v | fgrep -q GRUB; then
+ einfo "Installing Grub as bootloader."
mkdir -p "${MNTPOINT}/boot/grub"
if ! [ -d "${MNTPOINT}"/usr/lib/grub/i386-pc/ ] ; then
eerror "Error: grub not installed inside Virtual Machine. Can not install bootloader." ; eend 1
chroot "${MNTPOINT}" grub-mkimage -O i386-pc -p "(hd0,msdos1)/boot/grub" -o /tmp/core.img biosdisk part_msdos ext2
dd if="${MNTPOINT}/tmp/core.img" of="${ORIG_TARGET}" conv=notrunc seek=4
rm -f "${MNTPOINT}/tmp/core.img"
+fi
einfo "Updating grub configuration file."
if [ -n "$BOOT_APPEND" ] ; then