+ dialog --title "$PN" --no-collapse \
+ --yesno "$INFOTEXT" 0 0
+ [ $? -eq 0 ] || bailout 0
+
+else # if not running automatic installation display configuration and prompt for execution:
+ einfo "$PN [${VERSION}] - Please recheck configuration before execution:"
+ echo
+ echo " Target: $TARGET"
+
+ # do not display if MNTPOINT is the default one
+ case "$MNTPOINT" in /mnt/debootstrap*) ;; *) echo " Mount point: $MNTPOINT" ;; esac
+
+ if [ -n "$VIRTUAL" ] ; then
+ echo " Install grub: yes"
+ else
+ [ -n "$GRUB" ] && echo " Install grub: $GRUB" || echo " Install grub: no"
+ [ -n "$EFI" ] && echo " Install efi: $EFI" || echo " Install efi: no"
+ fi
+
+ [ -n "$RELEASE" ] && echo " Using release: $RELEASE"
+ [ -n "$HOSTNAME" ] && echo " Using hostname: $HOSTNAME"
+ [ -n "$MIRROR" ] && echo " Using mirror: $MIRROR"
+ [ -n "$ISO" ] && echo " Using ISO: $ISO"
+ [ -n "$ARCH" ] && echo " Using arch: $ARCH"
+ [ -n "$CONFFILES" ] && echo " Config files: $CONFFILES"
+ if [ -n "$VIRTUAL" ] ; then
+ echo " Deploying as Virtual Machine."
+ if [ -n "$VMSIZE" ] && [ -n "$VMFILE" ]; then
+ echo " Using Virtual Disk file with size of ${VMSIZE}."
+ fi
+ fi
+
+ if [ ! -t 0 ] && [ -z "$ROOTPASSWORD" ] && [ -z "$NOPASSWORD" ] ; then
+ echo
+ echo " You do not have a TTY allocated, your password will be shown in"
+ echo " plaintext on the terminal! If you are using SSH, try its -t option!"
+ fi
+
+ echo
+ echo " Important! Continuing will delete all data from ${TARGET}!"
+
+ if [ -n "$FORCE" ] ; then
+ einfo "Skip user acknowledgement as requested via --force option."
+ else
+ echo
+ einfon "Is this ok for you? [y/N] "
+ read -r a
+ if ! [ "$a" = 'y' ] || [ "$a" = 'Y' ] ; then
+ eerror "Exiting as requested." ; eend 1
+ bailout 1
+ fi
+ fi
+fi
+}
+# }}}
+
+# interactive mode {{{
+interactive_mode()
+{
+ check4progs dialog || bailout 1
+
+ welcome_dialog
+
+ prompt_for_release
+
+ prompt_for_swraid
+
+ prompt_for_target
+
+ prompt_for_bootmanager
+
+ prompt_for_hostname
+
+ prompt_for_password
+
+ prompt_for_mirror
+}
+
+# run interactive mode if we didn't get the according configuration yet
+if [ -z "$TARGET" ] || [ -n "$INTERACTIVE" ] ; then
+ # only target might be unset, so make sure the INTERACTIVE flag is set as well
+ INTERACTIVE=1
+ interactive_mode
+fi
+# }}}
+
+# architecture setup {{{
+if [ -n "$ARCH" ] ; then
+ ARCHCMD="--arch $ARCH"
+ ARCHINFO=" (${ARCH})"
+else
+ ARCH="$(dpkg --print-architecture)"
+ ARCHCMD="--arch $ARCH"
+ ARCHINFO=" (${ARCH})"
+fi
+# }}}
+
+# It is not possible to build amd64 on i686. {{{
+CURRENT_ARCH="$(uname -m)"
+if [ "$CURRENT_ARCH" != "x86_64" ] ; then
+ if [ "$ARCH" = "amd64" ] ; then
+ eerror "It is not possible to build amd64 on $CURRENT_ARCH. Consider installing and booting the 'linux-image-amd64' kernel or using '--arch i386' instead." ; eend 1
+ bailout 1
+ fi
+fi
+# }}}
+
+# Support for generic release codenames is unavailable. {{{
+if [ "$RELEASE" = "stable" ] || [ "$RELEASE" = "testing" ] ; then
+ eerror "Generic release codenames (stable, testing) are unsupported. \
+Please use specific codenames such as stretch or buster." ; eend 1
+ bailout 1
+fi
+# }}}
+
+checkconfiguration
+
+# finally make sure at least $TARGET is set [the partition for the new system] {{{
+if [ -n "$TARGET" ] ; then
+ SHORT_TARGET="${TARGET##*/}"
+else
+ eerror "Please adjust $CONFFILES/config or..."
+ eerror "... use the interactive version for configuration before running ${0}" ; eend 1
+ bailout 1
+fi
+# }}}
+
+# stages setup {{{
+if [ -z "$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
+ # $TARGET was not detected as block device, but we do not want to create target directory in /dev/
+ if [[ $TARGET == "/dev/"* ]]; then
+ eerror "Error: Will not create target directory $TARGET in /dev."
+ eerror " Please check the partition(s) of the blockdevice."; eend 1
+ bailout 1
+ fi
+ set_target_directory
+fi
+# }}}
+
+# make sure we have the right syntax when using an iso image {{{
+if [ -n "$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="$MKFS_OPTS -F"
+ eend 0
+
+ ;;
+ esac
+ fi
+
+ # starting with e2fsprogs 1.43~WIP.2015.05.18-1 mkfs.ext4 enables the metadata_csum feature
+ # by default, which requires a recent version of tune2fs on the target system then,
+ # so disable this feature for older Debian releases where it's known to be unsupported
+ if [ -n "$MKFS" ] && [ "$MKFS" = "mkfs.ext4" ] ; then
+ case "$RELEASE" in
+ lenny|squeeze|wheezy|jessie)
+ # assume a more recent version if we can't identify the version via dpkg-query
+ local e2fsprogs_version
+ e2fsprogs_version="$(dpkg-query --show --showformat='${Version}' e2fsprogs 2>/dev/null || echo 1.44)"
+ if [ -n "$e2fsprogs_version" ] && dpkg --compare-versions "$e2fsprogs_version" ge '1.43~WIP.2015.05.18-1' ; then
+ einfo "Disabling metadata_csum feature for $MKFS as $RELEASE doesn't support it."
+ MKFS_OPTS="$MKFS_OPTS -O ^metadata_csum"
+ eend 0
+ fi
+ ;;
+ esac
+ fi
+
+ if [ -n "$MKFS" ] ; then
+ einfo "Running $MKFS $MKFS_OPTS on $TARGET"
+ # shellcheck disable=SC2086
+ "$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
+
+ eend $RC
+ fi
+}
+# }}}
+
+# retrieve ID_FS_UUID {{{
+identify_target_uuid() {
+ local device="$1"
+
+ if ! [ -b "$device" ] ; then
+ return 1
+ fi
+
+ eval "$(blkid -o udev "$1" 2>/dev/null)"
+
+ if [ -n "$ID_FS_UUID" ] ; then
+ echo "$ID_FS_UUID"
+ else
+ return 1
+ fi
+}
+# }}}
+
+# identify TARGET_UUID {{{
+mountpoint_to_blockdevice() {
+ TARGET_UUID=''
+
+ TARGET_UUID=$(identify_target_uuid "$TARGET" 2>/dev/null || true)
+ if [ -n "$TARGET_UUID" ] ; then
+ einfo "Identified UUID $TARGET_UUID for $TARGET"
+ return 0
+ fi
+
+ # $TARGET might be a mountpoint and not a blockdevice, search for according entry
+ for file in /sys/block/*/*/dev ; do
+ if grep -q "^$(mountpoint -d "${TARGET}")$" "$file" ; then
+ local dev
+ dev="${file%/dev}"
+ dev="/dev/${dev##*/}"
+ TARGET_UUID=$(identify_target_uuid "$dev" 2>/dev/null || true)
+
+ if [ -n "$TARGET_UUID" ] ; then
+ einfo "Identified UUID $TARGET_UUID for $TARGET (via $file)"
+ return 0
+ fi
+ fi
+ done
+}
+# }}}
+
+# modify filesystem settings {{{
+tunefs() {
+ if [ -n "$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 "$TARGET" ] && [ -n "$VMFILE" ] ; then
+ eerror "Error: specified virtual disk target ($TARGET) is an existing block device."
+ eend 1
+ bailout 1
+ fi
+ if [ ! -b "$TARGET" ] && [ -z "$VMFILE" ] ; then
+ eerror "Error: specified virtual disk target ($TARGET) does not exist yet."
+ eend 1
+ bailout 1
+ fi
+
+ # make sure loop module is present and a usable loop device exists
+ modprobe -q loop
+ if ! losetup -f >/dev/null 2>&1; then
+ eerror "Error finding usable loop device" ; eend 1
+ bailout 1
+ fi
+
+ # if dm-mod isn't available then kpartx will fail with
+ # "Is device-mapper driver missing from kernel? [...]"
+ modprobe -q dm-mod
+ if ! grep -q 'device-mapper' /proc/misc >/dev/null 2>&1 ; then
+ eerror "Device-mapper support missing in kernel." ; eend 1
+ bailout 1
+ fi
+
+ ORIG_TARGET="$TARGET" # store for later reuse
+
+ if [ -n "$VMFILE" ]; then
+ qemu-img create -f raw "${TARGET}" "${VMSIZE}"
+ fi
+ parted -s "${TARGET}" 'mklabel msdos'
+ if [ "$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'
+ parted -s "${TARGET}" 'set 1 boot on'
+
+ DEVINFO=$(kpartx -asv "$TARGET") # e.g. 'add map loop0p1 (254:5): 0 20477 linear 7:0 3'
+ if [ -z "${DEVINFO}" ] ; then
+ eerror "Error setting up loopback device." ; eend 1
+ bailout 1
+ fi
+
+ # hopefully this always works as expected
+ LOOP_PART="${DEVINFO##add map }" # 'loop0p1 (254:5): 0 20477 linear 7:0 3'
+ LOOP_PART="${LOOP_PART// */}" # 'loop0p1'
+ LOOP_DISK="${LOOP_PART%p*}" # 'loop0'
+ export TARGET="/dev/mapper/$LOOP_PART" # '/dev/mapper/loop1p1'
+
+ if [ -z "$TARGET" ] ; then
+ eerror "Error: target could not be set to according /dev/mapper/* device." ; eend 1
+ bailout 1
+ fi
+}
+# }}}
+
+# make VM image bootable {{{
+grub_install() {
+ if [ -z "${VIRTUAL}" ] ; then
+ return 0
+ fi
+ if [ "${GRUB_INSTALL}" != "yes" ] ; then
+ einfo "Not installing GRUB as requested via \$GRUB_INSTALL=$GRUB_INSTALL"
+ 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 "${MNTPOINT}"/sys
+ mount -t devtmpfs udev "${MNTPOINT}"/dev
+ mount -t devpts devpts "${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="${GRUB}" bs=512 count=1 2>/dev/null | cat -v | grep -Fq GRUB; then
+ einfo "Installing Grub as bootloader."
+
+ if ! chroot "${MNTPOINT}" dpkg --list grub-pc 2>/dev/null | grep -q '^ii' ; then
+ echo "Notice: grub-pc package not present yet, installing it therefore."
+ # shellcheck disable=SC2086
+ 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
+ dd if="${MNTPOINT}/usr/lib/grub/i386-pc/boot.img" of="${ORIG_TARGET}" conv=notrunc bs=440 count=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="${ORIG_TARGET}" conv=notrunc seek=1
+ rm -f "${MNTPOINT}/tmp/core.img"
+fi
+
+ # workaround for Debian bug #918590 with lvm + udev:
+ # WARNING: Device /dev/... not initialized in udev database even after waiting 10000000 microseconds
+ if [ -d /run/udev ] ; then
+ einfo "Setting up bind-mount /run/udev"
+ mkdir -p "${MNTPOINT}"/run/udev
+ mount --bind /run/udev "${MNTPOINT}"/run/udev
+ eend $?
+ fi
+
+ einfo "Updating grub configuration file."
+ chroot "${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
+
+ 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;" "${MNTPOINT}"/boot/grub/grub.cfg
+ fi
+
+ # workaround for Debian bug #918590 with lvm + udev:
+ # WARNING: Device /dev/... not initialized in udev database even after waiting 10000000 microseconds
+ if mountpoint "${MNTPOINT}"/run/udev &>/dev/null ; then
+ einfo "Unmounting bind-mount /run/udev"
+ umount "${MNTPOINT}"/run/udev
+ eend $?
+ fi
+
+ umount "${MNTPOINT}"/proc
+ umount "${MNTPOINT}"/sys
+ umount "${MNTPOINT}"/dev/pts
+ try_umount 3 "${MNTPOINT}"/dev
+
+}
+# }}}
+
+# unmount VM image {{{
+umount_target() {
+ if [ -z "${VIRTUAL}" ] ; then
+ return 0
+ fi
+
+ umount "${MNTPOINT}"
+ kpartx -d "${ORIG_TARGET}" >/dev/null
+ # Workaround for a bug in kpartx which doesn't clean up properly,
+ # see Debian Bug #891077 and Github-PR grml/grml-debootstrap#112
+ if dmsetup ls | grep -q "^${LOOP_PART} "; then
+ kpartx -d "/dev/${LOOP_DISK}" >/dev/null
+ fi
+}
+# }}}
+
+# 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 $ISO"
+ # shellcheck disable=SC2086
+ "$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 $MIRROR"
+ # shellcheck disable=SC2086
+ "$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 $RC
+}
+# }}}
+
+# prepare chroot via chroot-script {{{
+preparechroot() {
+ einfo "Preparing chroot system"
+
+ # provide variables to chroot system
+ CHROOT_VARIABLES="/var/cache/grml-debootstrap/variables_${SHORT_TARGET}"
+ touch "$CHROOT_VARIABLES"
+ chmod 600 "$CHROOT_VARIABLES" # make sure nobody except root can read it
+ echo "# Configuration of ${PN}" > "$CHROOT_VARIABLES"
+ # Resorting to sed(1) for escaping since "VAR='${VAR//\'/\'\\\'\'}'" does not work with all versions of Bash,
+ # e.g. not with 4.2.37(1)-release (a.k.a 4.2+dfsg-0.1+deb7u3) of Debian wheezy
+ [ -n "$ARCH" ] && echo "ARCH='$(sed "s,','\\\\'',g" <<<"${ARCH}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$BACKPORTREPOS" ] && echo "BACKPORTREPOS='$(sed "s,','\\\\'',g" <<<"${BACKPORTREPOS}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$BOOT_APPEND" ] && echo "BOOT_APPEND='$(sed "s,','\\\\'',g" <<<"${BOOT_APPEND}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$CHROOT_SCRIPTS" ] && echo "CHROOT_SCRIPTS='$(sed "s,','\\\\'',g" <<<"${CHROOT_SCRIPTS}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$COMPONENTS" ] && echo "COMPONENTS='$(sed "s,','\\\\'',g" <<<"${COMPONENTS}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$CONFFILES" ] && echo "CONFFILES='$(sed "s,','\\\\'',g" <<<"${CONFFILES}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$DEBCONF" ] && echo "DEBCONF='$(sed "s,','\\\\'',g" <<<"${DEBCONF}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$DEBIAN_FRONTEND" ] && echo "DEBIAN_FRONTEND='$(sed "s,','\\\\'',g" <<<"${DEBIAN_FRONTEND}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$DEBOOTSTRAP" ] && echo "DEBOOTSTRAP='$(sed "s,','\\\\'',g" <<<"${DEBOOTSTRAP}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$DEFAULT_LOCALES" ] && echo "DEFAULT_LOCALES='$(sed "s,','\\\\'',g" <<<"${DEFAULT_LOCALES}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$DEFAULT_LANGUAGE" ] && echo "DEFAULT_LANGUAGE='$(sed "s,','\\\\'',g" <<<"${DEFAULT_LANGUAGE}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$EXTRAPACKAGES" ] && echo "EXTRAPACKAGES='$(sed "s,','\\\\'',g" <<<"${EXTRAPACKAGES}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$EFI" ] && echo "EFI='$(sed "s,','\\\\'',g" <<<"${EFI}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$FALLBACK_MIRROR" ] && echo "FALLBACK_MIRROR='$(sed "s,','\\\\'',g" <<<"${FALLBACK_MIRROR}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$FORCE" ] && echo "FORCE='$(sed "s,','\\\\'',g" <<<"${FORCE}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$GRMLREPOS" ] && echo "GRMLREPOS='$(sed "s,','\\\\'',g" <<<"${GRMLREPOS}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$GRUB" ] && echo "GRUB='$(sed "s,','\\\\'',g" <<<"${GRUB}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$HOSTNAME" ] && echo "HOSTNAME='$(sed "s,','\\\\'',g" <<<"${HOSTNAME}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$INITRD" ] && echo "INITRD='$(sed "s,','\\\\'',g" <<<"${INITRD}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$INSTALL_NOTES" ] && echo "INSTALL_NOTES='$(sed "s,','\\\\'',g" <<<"${INSTALL_NOTES}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$ISODIR" ] && echo "ISODIR='$(sed "s,','\\\\'',g" <<<"${ISO}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$ISO" ] && echo "ISO='$(sed "s,','\\\\'',g" <<<"${ISO}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$KEEP_SRC_LIST" ] && echo "KEEP_SRC_LIST='$(sed "s,','\\\\'',g" <<<"${KEEP_SRC_LIST}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$LOCALES" ] && echo "LOCALES='$(sed "s,','\\\\'',g" <<<"${LOCALES}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$MIRROR" ] && echo "MIRROR='$(sed "s,','\\\\'',g" <<<"${MIRROR}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$MKFS" ] && echo "MKFS='$(sed "s,','\\\\'',g" <<<"${MKFS}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$NOPASSWORD" ] && echo "NOPASSWORD=\"true\"" >> "$CHROOT_VARIABLES"
+ [ -n "$NOKERNEL" ] && echo "NOKERNEL=\"true\"" >> "$CHROOT_VARIABLES"
+ [ -n "$PACKAGES" ] && echo "PACKAGES='$(sed "s,','\\\\'',g" <<<"${PACKAGES}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$POST_SCRIPTS" ] && echo "POST_SCRIPTS='$(sed "s,','\\\\'',g" <<<"${POST_SCRIPTS}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$PRE_SCRIPTS" ] && echo "PRE_SCRIPTS='$(sed "s,','\\\\'',g" <<<"${PRE_SCRIPTS}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$RECONFIGURE" ] && echo "RECONFIGURE='$(sed "s,','\\\\'',g" <<<"${RECONFIGURE}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$RELEASE" ] && echo "RELEASE='$(sed "s,','\\\\'',g" <<<"${RELEASE}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$RM_APTCACHE" ] && echo "RM_APTCACHE='$(sed "s,','\\\\'',g" <<<"${RM_APTCACHE}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$ROOTPASSWORD" ] && echo "ROOTPASSWORD='$(sed "s,','\\\\'',g" <<<"${ROOTPASSWORD}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$SCRIPTS" ] && echo "SCRIPTS='$(sed "s,','\\\\'',g" <<<"${SCRIPTS}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$SECURE" ] && echo "SECURE='$(sed "s,','\\\\'',g" <<<"${SECURE}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$SELECTED_PARTITIONS" ] && echo "SELECTED_PARTITIONS='$(sed "s,','\\\\'',g" <<<"${SELECTED_PARTITIONS}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$TARGET" ] && echo "TARGET='$(sed "s,','\\\\'',g" <<<"${TARGET}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$UPGRADE_SYSTEM" ] && echo "UPGRADE_SYSTEM='$(sed "s,','\\\\'',g" <<<"${UPGRADE_SYSTEM}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$TARGET_UUID" ] && echo "TARGET_UUID='$(sed "s,','\\\\'',g" <<<"${TARGET_UUID}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$TIMEZONE" ] && echo "TIMEZONE='$(sed "s,','\\\\'',g" <<<"${TIMEZONE}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$TUNE2FS" ] && echo "TUNE2FS='$(sed "s,','\\\\'',g" <<<"${TUNE2FS}")'" >> "$CHROOT_VARIABLES"
+ [ -n "$VMSIZE" ] && echo "VMSIZE='$(sed "s,','\\\\'',g" <<<"${VMSIZE}")'" >> "$CHROOT_VARIABLES"
+
+ cp $VERBOSE "${CONFFILES}"/chroot-script "${MNTPOINT}"/bin/chroot-script
+ chmod 755 "${MNTPOINT}"/bin/chroot-script
+ [ -d "$MNTPOINT"/etc/debootstrap/ ] || mkdir "$MNTPOINT"/etc/debootstrap/