+# }}}
+
+# stages setup {{{
+if [ -z "$STAGES" ] ; then
+ STAGES="/var/cache/grml-debootstrap/stages_${SHORT_TARGET}"
+ [ -d "$STAGES" ] || mkdir -p "$STAGES"
+fi
+
+if [ -r "$STAGES"/grml-debootstrap ] ; then
+ if grep -q 'done' "${STAGES}/grml-debootstrap" ; then
+ eerror "Error: grml-debootstrap has been executed already, won't continue therefore."
+ eerror "If you want to re-execute grml-debootstrap just manually remove ${STAGES}" ; eend 1
+ fi
+fi
+# }}}
+
+# partition handling {{{
+PARTITION=''
+DIRECTORY=''
+
+set_target_directory(){
+ # assume we are installing into a directory, don't run mkfs and grub related stuff therefore
+ DIRECTORY=1
+ MNTPOINT="$TARGET"
+ MKFS=''
+ TUNE2FS=''
+ FSCK=''
+ # make sure we normalise the path to an absolute directory name so something like:
+ # mkdir -p foo/a bar/a; (cd foo; grml-debootstrap -t a)&; (cd bar; grml-debootstrap -t a)&; wait
+ # works
+ TARGET="$(readlink -f "$TARGET")"
+}
+
+if [ -b "$TARGET" ] || [ -n "$VIRTUAL" ] ; then
+ PARTITION=1
+else
+ set_target_directory
+fi
+# }}}
+
+# make sure we have the right syntax when using an iso image {{{
+if [ -n "$ISO" ] ; then
+ case $ISO in
+ file*) # do nothing
+ ;;
+ *)
+ ISO=file:$ISO
+ ;;
+ esac
+fi
+ISODIR=${ISO##file:}
+ISODIR=${ISODIR%%/}
+# }}}
+
+# Debian ISOs do not contain signed Release files {{{
+if [ -n "$ISO" ] ; then
+ DEBOOTSTRAP_OPT="$DEBOOTSTRAP_OPT --no-check-gpg"
+fi
+# }}}
+
+# create filesystem {{{
+mkfs() {
+ if [ -n "$DIRECTORY" ] ; then
+ einfo "Running grml-debootstrap on a directory, skipping mkfs stage."
+ return 0
+ fi
+
+ if grep -q "$TARGET" /proc/mounts ; then
+ eerror "$TARGET already mounted, exiting to avoid possible damage. (Manually unmount $TARGET)" ; eend 1
+ bailout 1
+ fi
+
+ # mkfs.ext* might prompt with "/dev/sdX# contains a ext* file system
+ # created on ... Proceed anyway? (y,n)" which we want to skip in force mode
+ if [ -n "$MKFS" ] && [ -n "$FORCE" ] ; then
+ case "$MKFS" in
+ mkfs.ext*)
+ einfo "Enabling force option (-F) for mkfs.ext* tool as requested via --force switch."
+ MKFS_OPTS="$MKFS_OPTS -F"
+ eend 0
+ ;;
+ esac
+ fi
+
+ if [ -n "$MKFS" ] ; then
+ einfo "Running $MKFS $MKFS_OPTS on $TARGET"
+ "$MKFS" $MKFS_OPTS "$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 $DISK_IDENTIFIER using tune2fs"
+ tune2fs "$TARGET" -U "$DISK_IDENTIFIER"
+ eend $?
+ fi
+ fi
+
+ # make sure /dev/disk/by-uuid/... is up2date, otherwise grub
+ # will fail to detect the uuid in the chroot
+ if [ -n "$VIRTUAL" ] ; then
+ einfo "Virtual environment doesn't require blockdev --rereadpt, skipping therefore"
+ elif echo "$TARGET" | grep -q "/dev/md" ; then
+ blockdev --rereadpt "${TARGET}"
+ else
+ # if we deploy to /dev/sdX# then let's see if /dev/sdX exists
+ local main_device="${TARGET%%[0-9]*}"
+ # sanity check to not try to e.g. access /dev/loop if we get /dev/loop0
+ if [ -f "/sys/block/$(basename ${main_device})/$(basename ${TARGET})/dev" ] ; then
+ blockdev --rereadpt "$main_device"
+ else
+ einfo "No underlying block device for $TARGET identified, skipping blockdev --rereadpt."
+ fi
+ fi
+ # give the system 2 seconds, otherwise we might run into
+ # race conditions :-/
+ sleep 2
+
+ eval "$(blkid -o udev "$TARGET" 2>/dev/null)"
+ [ -n "$ID_FS_UUID" ] && TARGET_UUID="$ID_FS_UUID" || TARGET_UUID=""
+
+ eend $RC
+ fi
+}
+# }}}
+
+# modify filesystem settings {{{
+tunefs() {
+ if [ -n "$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 quiet by intention
+ fi
+
+ if [ -b "$TARGET" -a -n "$VMFILE" ] ; then
+ eerror "Error: specified virtual disk target ($TARGET) is an existing block device."
+ eend 1
+ bailout 1
+ fi
+ if [ ! -b "$TARGET" -a -z "$VMFILE" ] ; then
+ eerror "Error: specified virtual disk target ($TARGET) does not exist yet."
+ eend 1
+ bailout 1
+ fi
+
+ ORIG_TARGET="$TARGET" # store for later reuse
+
+ if [ -n "$VMFILE" ]; then
+ qemu-img create -f raw "${TARGET}" "${VMSIZE}"
+ fi
+ 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" | dd of="${MBRTMPFILE}" conv=notrunc seek=440 bs=1
+ dd if="${MBRTMPFILE}" of="${TARGET}" conv=notrunc
+ eend $?
+ fi
+ parted -s "${TARGET}" 'mkpart primary ext4 2M -1'
+
+ # if dm-mod isn't available then kpartx will fail with
+ # "Is device-mapper driver missing from kernel? [...]"
+ if ! kpartx -av "$TARGET" >/dev/null 2>&1 || ! grep -q 'device-mapper' /proc/misc >/dev/null 2>&1 ; then
+ einfo "Device-mapper not ready yet, trying to load dm-mod module."
+ modprobe dm-mod ; eend $?
+ fi
+
+ # make sure loop module is present
+ if ! losetup -f >/dev/null 2>&1; then
+ einfo "Can not find a usable loop device, retrying after loading loop module."
+ modprobe loop
+ if losetup -f >/dev/null 2>&1; then
+ einfo "Found a usable loop device now, continuing."
+ else
+ eerror "Error finding usable loop device" ; eend 1
+ bailout 1
+ fi
+ fi
+
+ DEVINFO=$(kpartx -asv "$TARGET") # 'add map loop1p1 (253:0): 0 6289408 linear /dev/loop1 2048'
+ if [ -z "${DEVINFO}" ] ; then
+ eerror "Error setting up loopback device." ; eend 1
+ bailout 1
+ fi
+
+ # hopefully this always works as expected
+ LOOP=$(echo "${DEVINFO}" | sed 's/.* linear //; s/ [[:digit:]]*//') # 'loop1'
+ LOOP_PART="$(echo "${DEVINFO##add map }" | sed 's/ .*//')" # 'loop1p1'
+ export TARGET="/dev/mapper/$LOOP_PART" # '/dev/mapper/loop1p1'
+
+ if [ -z "$TARGET" ] ; then
+ eerror "Error: target could not be set to according /dev/mapper/* device." ; eend 1
+ bailout 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 ${TARGET} failed, can not continue." ; eend 1
+ bailout 1
+ fi
+
+ mount -t proc none "${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="${GRUB}" bs=512 count=1 2>/dev/null | cat -v | fgrep -q GRUB; then
+ einfo "Installing Grub as bootloader."
+
+ if ! chroot "${MNTPOINT}" dpkg --list grub-pc 2>/dev/null | grep -q '^ii' ; then
+ echo "Notice: grub-pc package not present yet, installing it therefore."
+ DEBIAN_FRONTEND=$DEBIAN_FRONTEND chroot "$MNTPOINT" apt-get -y install $DPKG_OPTIONS grub-pc
+ fi
+
+ mkdir -p "${MNTPOINT}/boot/grub"
+ if ! [ -d "${MNTPOINT}"/usr/lib/grub/i386-pc/ ] ; then
+ eerror "Error: grub not installed inside Virtual Machine. Can not install bootloader." ; eend 1
+ bailout 1
+ fi
+
+ case "$RELEASE" in
+ lenny|squeeze|wheezy)
+ cp "${MNTPOINT}"/usr/lib/grub/i386-pc/* "${MNTPOINT}/boot/grub/"
+ ;;
+ *)
+ cp -a "${MNTPOINT}"/usr/lib/grub/i386-pc "${MNTPOINT}/boot/grub/"
+ ;;
+ esac
+ 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
+ sed -i "/GRUB_CMDLINE_LINUX_DEFAULT/ s#\"\$# ${BOOT_APPEND}\"#" "${MNTPOINT}"/etc/default/grub
+ fi
+ chroot "${MNTPOINT}" update-grub
+
+ case "$RELEASE" in
+ jessie)
+ einfo "Applying workaround for GRUB font path bug in jessie (Debian #787685)."
+ mkdir -p "${MNTPOINT}/boot/grub/fonts/"
+ cp "${MNTPOINT}/usr/share/grub/unicode.pf2" "${MNTPOINT}/boot/grub/fonts/"
+ ;;
+ esac
+
+ case "$RELEASE" in
+ lenny|squeeze|wheezy)
+ if grep -q '^GRUB_DISABLE_LINUX_UUID=.*true' "${MNTPOINT}"/etc/default/grub 2>/dev/null ; then
+ ewarn "GRUB_DISABLE_LINUX_UUID is set to true in /etc/default/grub, not adjusting root= in grub.cfg."
+ ewarn "Please note that your system might NOT be able to properly boot."
+ else
+ einfo "Adjusting grub.cfg for successful boot sequence."
+ sed -i "s;root=[^ ]\+;root=UUID=$TARGET_UUID;" "${MNTPOINT}"/boot/grub/grub.cfg
+ fi
+ ;;
+ esac
+
+ umount "${MNTPOINT}"/proc
+ umount "${MNTPOINT}"/sys
+ umount "${MNTPOINT}"/dev/pts
+ try_umount 3 "${MNTPOINT}"/dev
+ umount "${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
+ :
+ else
+ eerror "Error: $MNTPOINT not mounted, can not continue."
+ eend 1 ; exit 1
+ fi
+
+ if [ -n "$ISO" ] ; then
+ einfo "Running $DEBOOTSTRAP $DEBOOTSTRAP_OPT for release ${RELEASE}${ARCHINFO} using ${ISO}"
+ einfo "Executing: $DEBOOTSTRAP $ARCHCMD $KEYRING $DEBOOTSTRAP_OPT $RELEASE $MNTPOINT $ISO"
+ "$DEBOOTSTRAP" $ARCHCMD $KEYRING $DEBOOTSTRAP_OPT "$RELEASE" "$MNTPOINT" "$ISO"
+ RC=$?
+ else
+ einfo "Running $DEBOOTSTRAP $DEBOOTSTRAP_OPT for release ${RELEASE}${ARCHINFO} using ${MIRROR}"
+ einfo "Executing: $DEBOOTSTRAP $ARCHCMD $KEYRING $DEBOOTSTRAP_OPT $RELEASE $MNTPOINT $MIRROR"
+ "$DEBOOTSTRAP" $ARCHCMD $KEYRING $DEBOOTSTRAP_OPT "$RELEASE" "$MNTPOINT" "$MIRROR"
+ RC=$?
+ fi
+
+ if [ $RC -ne 0 ] ; then
+ if [ -r "$MNTPOINT/debootstrap/debootstrap.log" ] && \
+ [ -s "$MNTPOINT/debootstrap/debootstrap.log" ] ; then
+ einfo "Presenting last ten lines of debootstrap.log:"
+ tail -10 "${MNTPOINT}"/debootstrap/debootstrap.log
+ einfo "End of debootstrap.log"
+ fi
+ fi
+
+ eend $RC
+}
+# }}}