+ eval $(blkid -o udev $TARGET 2>/dev/null)
+ [ -n "$ID_FS_UUID" ] && TARGET_UUID="$ID_FS_UUID" || TARGET_UUID=""
+
+ eend $RC
+ fi
+
+ fi
+}
+# }}}
+
+# modify filesystem settings {{{
+tunefs() {
+ if [ -n "$TUNE2FS" ] && echo "$MKFS" | grep -q "mkfs.ext" ; then
+ einfo "Disabling automatic filesystem check on $TARGET via tune2fs"
+ $TUNE2FS $TARGET
+ eend $?
+ fi
+}
+# }}}
+
+# mount the new partition or if it's a directory do nothing at all {{{
+mount_target() {
+ if [ -n "$DIRECTORY" ] ; then
+ einfo "Running grml-debootstrap on a directory, nothing to mount."
+ else
+ if grep -q $TARGET /proc/mounts ; then
+ ewarn "$TARGET already mounted, continuing anyway." ; eend 0
+ else
+ if ! [ -d "${MNTPOINT}" ] ; then
+ [ -n "$VIRTUAL" ] || mkdir -p "${MNTPOINT}"
+ fi
+ einfo "Mounting $TARGET to $MNTPOINT"
+ mkdir -p "$MNTPOINT"
+ mount -o rw,suid,dev $TARGET $MNTPOINT
+ eend $?
+ fi
+ fi
+ if [ -n "$ISODIR" ] ; then
+ einfo "Mounting Debian image loopback to $MNTPOINT/$ISODIR."
+ mkdir -p "$MNTPOINT/$ISODIR"
+ mount --bind "$ISODIR" "$MNTPOINT/$ISODIR"
+ eend $?
+ fi
+}
+# }}}
+
+# prepare VM image for usage with debootstrap {{{
+prepare_vm() {
+ if [ -z "$VIRTUAL" ] ; then
+ return 0 # be quite by intention
+ fi
+
+ if [ -b "$TARGET" ] ; then
+ eerror "Error: specified virtual disk target ($TARGET) is an existing block device."
+ eend 1
+ exit 1
+ fi
+
+ ORIG_TARGET="$TARGET" # store for later reuse
+
+ qemu-img create -f raw "${TARGET}" "${VMSIZE}"
+ echo 4 66 | mksh /usr/share/grml-debootstrap/bootgrub.mksh -A | dd of="$TARGET" conv=notrunc
+ dd if=/dev/zero bs=1 conv=notrunc count=64 seek=446 of="$TARGET"
+ parted -s "${TARGET}" 'mkpart primary ext3 2M -1'
+
+ DEVINFO=$(kpartx -av $TARGET) # 'add map loop1p1 (253:0): 0 6289408 linear /dev/loop1 2048'
+ if [ -z "${DEVINFO}" ] ; then
+ eerror "Error setting up loopback device." ; eend 1
+ exit 1
+ fi
+
+ # hopefully this always works as expected
+ LOOP=$(echo ${DEVINFO} | sed 's/.* linear //; s/ [[:digit:]]*//') # '/dev/loop1'
+ BLOCKDEV=$(echo "${DEVINFO}" | sed -e 's/.* (\(.*:.*\)).*/\1/') # '253:0'
+ LOOP_PART="$(echo ${DEVINFO##add map } | sed 's/ .*//')" # '/dev/loop1p1'
+ export TARGET="/dev/mapper/$LOOP_PART" # '/dev/mapper/loop1p1'
+
+ blockdev --rereadpt "${LOOP}"
+
+ if [ -z "$TARGET" ] ; then
+ eerror "Error: target could not be set to according /dev/mapper/* device." ; eend 1
+ exit 1
+ fi
+}
+# }}}
+
+# make VM image bootable and unmount it {{{
+finalize_vm() {
+ if [ -z "${VIRTUAL}" ] ; then
+ return 0
+ fi
+
+ if ! mount "${TARGET}" "${MNTPOINT}" ; then
+ eerror "Error: Mounting ${TARGET} failed, can not continue." ; eend 1
+ exit 1
+ fi
+
+ einfo "Installing Grub as bootloader."
+ mount -t proc none "${MNTPOINT}"/proc
+ mount -t sysfs none "${MNTPOINT}"/sys
+ mount --bind /dev "${MNTPOINT}"/dev
+
+ 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
+ exit 1
+ fi
+
+ cp "${MNTPOINT}"/usr/lib/grub/i386-pc/* "${MNTPOINT}/boot/grub/"
+ 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"
+
+ einfo "Updating grub configuration file."
+ chroot "${MNTPOINT}" update-grub
+
+ umount "${MNTPOINT}"/proc
+ umount "${MNTPOINT}"/sys
+ umount "${MNTPOINT}"/dev
+
+ einfo "Adjusting grub.cfg for successful boot sequence."
+ # ugly but needed to boot grub acordingly
+ sed -i "s;set root=.*;set root='(hd0,msdos1)';" "${MNTPOINT}"/boot/grub/grub.cfg
+ sed -i "s; root=/dev/.*; root=/dev/sda1;" "${MNTPOINT}"/boot/grub/grub.cfg
+
+ umount "${MNTPOINT}"
+ kpartx -d "${ORIG_TARGET}" >/dev/null
+}
+# }}}
+
+# install main chroot {{{
+debootstrap_system() {
+ if [ "$_opt_nodebootstrap" ]; then
+ einfo "Skipping debootstrap as requested."
+ return
+ fi
+
+ if grep -q "$MNTPOINT" /proc/mounts || [ -n "$DIRECTORY" ] ; then
+ einfo "Running $DEBOOTSTRAP $DEBOOTSTRAP_OPT for release ${RELEASE}${ARCHINFO} using ${MIRROR}${ISO}"
+ if [ -n "$MIRROR" ] ; then
+ einfo "Executing: $DEBOOTSTRAP $ARCHCMD $KEYRING $DEBOOTSTRAP_OPT $RELEASE $MNTPOINT $MIRROR"
+ $DEBOOTSTRAP $ARCHCMD $KEYRING $DEBOOTSTRAP_OPT $RELEASE $MNTPOINT $MIRROR
+ else
+ einfo "Executing: $DEBOOTSTRAP $ARCHCMD $KEYRING $DEBOOTSTRAP_OPT $RELEASE $MNTPOINT $ISO"
+ $DEBOOTSTRAP $ARCHCMD $KEYRING $DEBOOTSTRAP_OPT $RELEASE $MNTPOINT $ISO
+ fi
+ eend $?
+ else
+ eerror "Error: $MNTPOINT not mounted, can not continue."
+ eend 1
+ fi
+}
+# }}}
+
+# prepare chroot via chroot-script {{{
+preparechroot() {
+ einfo "Preparing chroot system"
+
+ # provide variables to chroot system
+ CHROOT_VARIABLES="/var/cache/grml-debootstrap/variables_${SHORT_TARGET}"
+ touch $CHROOT_VARIABLES
+ chmod 600 $CHROOT_VARIABLES # make sure nobody except root can read it
+ echo "# Configuration of ${PN}" > $CHROOT_VARIABLES
+ [ -n "$ARCH" ] && echo "ARCH=$ARCH" >> $CHROOT_VARIABLES
+ [ -n "$GRUB" ] && echo "GRUB=$GRUB" >> $CHROOT_VARIABLES
+ [ -n "$HOSTNAME" ] && echo "HOSTNAME=$HOSTNAME" >> $CHROOT_VARIABLES
+ [ -n "$INSTALL_NOTES" ] && echo "INSTALL_NOTES=$INSTALL_NOTES" >> $CHROOT_VARIABLES
+ [ -n "$ISODIR" ] && echo "ISODIR=$ISO" >> $CHROOT_VARIABLES
+ [ -n "$ISO" ] && echo "ISO=$ISO" >> $CHROOT_VARIABLES
+ [ -n "$KEEP_SRC_LIST" ] && echo "KEEP_SRC_LIST=$KEEP_SRC_LIST" >> $CHROOT_VARIABLES
+ [ -n "$MIRROR" ] && echo "MIRROR=$MIRROR" >> $CHROOT_VARIABLES
+ [ -n "$PACKAGES" ] && echo "PACKAGES=$PACKAGES" >> $CHROOT_VARIABLES
+ [ -n "$RM_APTCACHE" ] && echo "RM_APTCACHE=$RM_APTCACHE" >> $CHROOT_VARIABLES
+ [ -n "$ROOTPASSWORD" ] && echo "ROOTPASSWORD=$ROOTPASSWORD" >> $CHROOT_VARIABLES
+ [ -n "$SELECTED_PARTITIONS" ] && echo "SELECTED_PARTITIONS=$SELECTED_PARTITIONS" >> $CHROOT_VARIABLES
+ [ -n "$TARGET" ] && echo "TARGET=$TARGET" >> $CHROOT_VARIABLES
+ [ -n "$TARGET_UUID" ] && echo "TARGET_UUID=$TARGET_UUID" >> $CHROOT_VARIABLES
+
+ cp $VERBOSE $CONFFILES/chroot-script $MNTPOINT/bin/chroot-script