[ -n "$TUNE2FS" ] || TUNE2FS='tune2fs -c0 -i0'
[ -n "$UPGRADE_SYSTEM" ] || UPGRADE_SYSTEM='yes'
[ -n "$VMSIZE" ] || VMSIZE="2G"
+[ -n "$FIXED_DISK_IDENTIFIERS" ] || FIXED_DISK_IDENTIFIERS="no"
# inside the chroot system locales might not be available, so use minimum:
export LANG=C
einfo "Running $MKFS on $TARGET"
$MKFS $TARGET ; RC=$?
+ if [ "$FIXED_DISK_IDENTIFIERS" = "yes" ] ; then
+ if ! echo "$MKFS" | grep -q "mkfs.ext" ; then
+ eerror "Not changing disk uuid for $TARGET because $MKFS doesn't seem to match for ext{2,3,4} file system"
+ eend 1
+ bailout 1
+ else
+ einfo "Changing disk uuid for $TARGET to fixed (non-random) value using tune2fs"
+ tune2fs "$TARGET" -U 26ada0c0-1165-4098-884d-aafd2220c2c6
+ eend $?
+ fi
+ fi
+
# make sure /dev/disk/by-uuid/... is up2date, otherwise grub
# will fail to detect the uuid in the chroot
if echo "$TARGET" | grep -q "/dev/md" ; then
qemu-img create -f raw "${TARGET}" "${VMSIZE}"
echo 4 66 | /usr/share/grml-debootstrap/bootgrub.mksh -A | dd of="$TARGET" conv=notrunc
dd if=/dev/zero bs=1 conv=notrunc count=64 seek=446 of="$TARGET"
+ if [ "$FIXED_DISK_IDENTIFIERS" = "yes" ] ; then
+ einfo "Adjusting disk signature to a fixed (non-random) value"
+ MBRTMPFILE=$(mktemp)
+ dd if="${TARGET}" of="${MBRTMPFILE}" bs=512 count=1
+ echo -en "\x41\x41\x41\x41\x41" | dd of="${MBRTMPFILE}" conv=notrunc seek=440 bs=1
+ dd if="${MBRTMPFILE}" of="${TARGET}" conv=notrunc
+ eend $?
+ fi
parted -s "${TARGET}" 'mkpart primary ext3 2M -1'
# if dm-mod isn't available then kpartx will fail with