clonezilla 3.21.13-1 / usr / sbin / ocs-live-dev

#!/bin/bash
# Author: Steven Shiau <steven _at_ nchc org tw>
# License: GPL
# Description: This program will put Debian Live minimal + DRBL/Clonezilla program into a bootable device, such as pendrive/usb stick.
# Some notes and programs about make bootable USB device in MS windows are modified from http://www.pendrivelinux.com/, Thanks to PDLA.

#
DRBL_SCRIPT_PATH="${DRBL_SCRIPT_PATH:-/usr/share/drbl}"

. $DRBL_SCRIPT_PATH/sbin/drbl-conf-functions
. /etc/drbl/drbl-ocs.conf
. $DRBL_SCRIPT_PATH/sbin/ocs-functions

# other default settings
# If insert_mode=prog_only, only copy DRBL/Clonezilla programs only, no ocs images.
insert_mode="prog_and_img"
img_size_sum=0
# default is to create a bootable device instead of a released zip file.
# Two options: boot_dev or release_file
target_mode="boot_dev"

# If we need to download Clonezilla live iso from repository as template iso, the branch and CPU arch for the file, e.g.
# http://downloads.sourceforge.net/clonezilla/$clonezilla_iso_branch/clonezilla-live-${cz_ver}${clonezilla_iso_arch_tag}.iso
# Ref to the command get-latest-ocs-live-ver
# For Debian-based Clonezilla live, i686-pae in the stable branch, you can set: clonezilla_iso_branch="stable", and clonezilla_iso_arch_tag="-i686-pae"
# For Ubuntu-based Clonezilla live, you can set: clonezilla_iso_branch="alternative", and clonezilla_iso_arch_tag="-i386"
clonezilla_iso_branch="alternative"
clonezilla_iso_arch_tag="-i386"
# Where the MD5SUM could be found for the above iso file. This has to match $clonezilla_iso_branch and $clonezilla_iso_arch_tag
DEBIAN_ISO_ETC_PATH="http://free.nchc.org.tw/clonezilla-live/alternative/stable/"
# Flag to put EFI booting image
enabled_EFI="true"
#
live_boot_menu_opt_raw=""
# To use image exists when creating recovery device (e.g. /dev/sdg1). the image might already exist (copied or created on the device before). For other mode, image is copied or linked in this program.
use_existing_img_on_dev="no"

#
prog="$(basename $0)"
prog_option="$*"

# functions
USAGE() {
    echo "Usage:"
    echo "To put clonezilla image into a bootable device (such as pendrive/usb stick):"
    echo "$prog [OPTION] DEV CLONEZILLA_IMAGE_NAME"
    echo "CLONEZILLA_IMAGE_NAME  The image exists in the system"
    echo "OPTION:"
    language_help_prompt_by_idx_no
    echo "--file-name-prefix NAME    Assign the output file name as NAME.zip or NAME.tar. $0 will auto append '.zip' or '.tar' in the end of filename."
    echo "-b, --bg-mode  [text|graphic]  Assign the background of boot menu. Default is graphic"
    echo "-e, --extra-param  PARAM  Assign extra parameter PARAM for clonezilla live to run, PARAM will be appended when run in ocs-live-restore or ocs."
    echo "-g, --ocs-live-language LANGUAGE Assign the language when using clonezilla live, available languages are en_US.UTF-8, zh_TW.UTF-8 "
    echo "-k, --ocs-live-keymap KEYBOARD_LAYOUT Assign the keyboard layout when using clonezilla live. You can find the keyboard layout in /usr/share/X11/xkb/rules/base.lst. e.g. use '-k fr' for French keyboard layout. If 'NONE' is used, the default one (US keyboard) will be use. For more info, please check the live manual on Debian Live website."
    echo "-m, --custom-ocs  PATH/custom-ocs  Use the customized ocs program 'custom-ocs' instead of the default one. Note! PATH should be assigned so that it can be found. This is advanced mode."
    echo "-t, --ocs-live-batch  Set clonezilla live to run in batch mode, usually it's for restoring. If this mode is set, some dialog question will be ignored."
    echo "-j, --debian-iso ISO_FILE  Assign Debian live template iso file name as ISO_FILE to be used to create Clonezilla live. By default the ISO_FILE is \"$DEBIAN_ISO_DEF\"."
    echo "-p, --image-path   Assign the clonezilla image source path where CLONEZILLA_IMAGE_NAME exists in this server.  Default = $ocsroot"
    echo "-d, --dev DEV      Write the output to DEV (such as /dev/sdg1)"
    echo "-a, --boot-loader [grub|syslinux]  Force to use grub or syslinux as boot loader in target device"
    echo "-i, --assign-version-no NO  Assign the version no as NO instead of date. This only works when using with option -s and -c."
    echo "-f, --batch-mode   Run $prog in batch, unattended mode."
    echo "-s, --skip-image   Do not include any clonezilla image. The is used to created a live CD or USB flash drive with DRBL/Clonezilla programs only."
    echo "-q, --existing-img To use image exists on the destination device when creating recovery device (e.g. /dev/sdg1). the image might already exist (copied or created on the device before). For other mode, image is copied or linked in this program."
    echo "-c, --create-release  Create a USB package release file, this will not create a bootable device, instead it will create a zip file contain all necessary files to make it boot and run clonezilla live."
    echo "-o, --normal-menu  When a clonezilla image is inserted, by default only restore menu will be shown in the created ISO file. If you want to show normal menu, i.e. with save and restore menu, use this one."
    echo "-x, --extra-boot-param  EXTRA_PARAM  Assign extra boot parameter EXTRA_PARAM for clonezilla live kernel to read. These parameters are the same with that from live-initramfs. Ex. \"noeject\" can be use to not prompt to eject the CD on reboot."
    echo "-y, --syslinux-ver VER  Assign the syslinux version as VER. E.g. 6.02, 6.03-pre1"
    echo "-u, --include-dir DIR   Include a dir in the target zip file."
    echo "-n, --ocs-live-boot-menu-option EXTRA_OPTION Assign an extra option for ocs-live-boot-menu. //NOTE// Do not put '-' in this EXTRA_OPTION, $0 will add that automatically. e.g. if you want to add -s1 for ocs-live-boot-menu to run, use 's1' only."
    echo "$prog will download a template Debian live CD for clonezilla iso file if ncecessary. You can also download it by yourself, and put it in the working directory when you run $prog. If you want to create that template iso file in Debian Etch, run create-debian-live."
    echo "NOTE! You have to prepare the target partition first, and the filesystem should be ready (FAT or ext2/3)."
    echo "Ex:"
    echo "To put clonezilla image squeeze-ocs (located in /home/partimag in clonezilla server) to USB device /dev/sdg1, you can run:"
    echo "  $prog -d /dev/sdg1 squeeze-ocs"
    echo "To put more images, just append them, such as:"
    echo "  $prog -d /dev/sdg1 squeeze-ocs etch-ocs"
    echo "To create a bootable, recovery USB device (e.g. /dev/sdg1, VFAT file system) with image \"precise-x86-20140206\" included:"
    echo "  $prog -g en_US.UTF-8 -t -k NONE -d /dev/sdg1 -e \"-g auto -e1 auto -e2 -c -r -j2 -p choose restoredisk precise-x86-20140206 sda\" precise-x86-20140206"
    echo "To create a Live USB device with DRBL/Clonezilla programs, which can be used to save image:"
    echo "  $prog -s -d /dev/sdg1"
    echo "To create a zip file of general purpose Clonezilla live. Later it can be put in an USB flash drive or similar device:"
    echo "  $prog -s -c"
    echo "To create a zip file for restoring with clonezilla image squeeze-r5 builtin, and make it boot then restore the image squeeze-r5 to sda in unattended mode (Only confirmation in the beginning), you can run:"
    echo "  $prog -c -g en_US.UTF-8 -t -k NONE -e \"-b -c restoredisk squeeze-r5 sda\" squeeze-r5"
    echo "To create a zip file to run your own custom-ocs program:"
    echo "  $prog -g en_US.UTF-8 -k NONE -s -c -m ./custom-ocs"
}
#
clean_tmp_dir() {
  if [ -d "$DEBIAN_ISO_TMP" -a -n "$DEBIAN_ISO_TMP" ]; then
    # Force to unmount,	althouth it might have beed unmounted, or maybe not (ctrl-c interrupt).
    umount $DEBIAN_ISO_TMP &>/dev/null
    rmdir $DEBIAN_ISO_TMP &>/dev/null
  fi
  if [ -d "$USB_TMP" -a -n "$USB_TMP" ]; then
    if umount $USB_TMP &>/dev/null; then
      rmdir $USB_TMP
    fi
  fi
  if [ -d "$md5_tmp" -a -n "$(echo $md5_tmp | grep "ocs_isomd5_tmp")" ]; then
    rm -rf $md5_tmp
  fi
} # End of clean_tmp_dir

#
check_if_root

# Default settings:
# Batch mode for run Clonezilla live in restoring/recovery mode.
ocs_live_batch="no"
# Batch mode for running this program.
batch_mode="no"
custom_ocs=""
normal_menu_with_insert_image="no"
template_mode=""
prefer_archive="zip"

# Parse command-line options
while [ $# -gt 0 ]; do
  case "$1" in
    --file-name-prefix)
            shift
            if [ -z "$(echo $1 |grep ^-.)" ]; then
              # skip the -xx option, in case 
              target_zip_prefix="$1"
              shift
            fi
	    [ -z "$target_zip_prefix" ] && USAGE && exit 1
            ;;
    -l|--language)
            shift
            if [ -z "$(echo $1 |grep ^-.)" ]; then
              # skip the -xx option, in case 
              specified_lang="$1"
              shift
            fi
	    [ -z "$specified_lang" ] && USAGE && exit 1
            ;;
    -a|--boot-loader)
            shift
            if [ -z "$(echo $1 |grep ^-.)" ]; then
              # skip the -xx option, in case 
              boot_loader="$1"
              shift
            fi
	    [ -z "$boot_loader" ] && USAGE && exit 1
            ;;
    -b|--bg-mode)
            shift
            if [ -z "$(echo $1 |grep ^-.)" ]; then
              # skip the -xx option, in case 
              bg_mode="$1"
              shift
            fi
	    [ -z "$bg_mode" ] && USAGE && exit 1
            ;;
    -e|--extra-param)
            shift
	    # extra param might begin with -, i.e. Ex. -b -p true. Therefore we should not skip this.
            ocs_live_extra_param="$1"
            shift
	    [ -z "$ocs_live_extra_param" ] && USAGE && exit 1
            ;;
    -i|--assign-version-no)
            shift
            if [ -z "$(echo $1 |grep ^-.)" ]; then
              # skip the -xx option, in case 
              version_no="$1"
              shift
            fi
	    [ -z "$version_no" ] && USAGE && exit 1
            ;;
    -f|--batch-mode)
            shift
            batch_mode="yes"
            ;;
    -g|--ocs-live-language)
            shift
            if [ -z "$(echo $1 |grep ^-.)" ]; then
              # skip the -xx option, in case 
              ocs_lang="$1"
              shift
            fi
	    [ -z "$ocs_lang" ] && USAGE && exit 1
            ;;
    -k|--ocs-live-keymap)
            shift
            if [ -z "$(echo $1 |grep ^-.)" ]; then
              # skip the -xx option, in case 
              ocs_live_keymap="$1"
              shift
            fi
	    [ -z "$ocs_live_keymap" ] && USAGE && exit 1
            ;;
    -m|--custom-ocs)
            shift
            if [ -z "$(echo $1 |grep ^-.)" ]; then
              # skip the -xx option, in case 
              custom_ocs="$1"
              shift
            fi
	    [ -z "$custom_ocs" ] && USAGE && exit 1
            ;;
    -p|--image-path)
            shift
            if [ -z "$(echo $1 |grep ^-.)" ]; then
              # skip the -xx option, in case 
              image_path="$1"
              shift
            fi
	    [ -z "$image_path" ] && USAGE && exit 1
            ;;
    -s|--skip-image)
            insert_mode="prog_only"
            shift ;;
    -t|--ocs-live-batch)
            ocs_live_batch="yes"
            shift ;;
    -o|--normal-menu)
            normal_menu_with_insert_image="yes"
            shift ;;
    -d|--dev)
            shift
            if [ -z "$(echo $1 |grep ^-.)" ]; then
              # skip the -xx option, in case 
              output_dev="$1"
              shift
            fi
	    [ -z "$output_dev" ] && USAGE && exit 1
            ;;
    -c|--create-release)
            target_mode="release_file"
            shift ;;
    -q|--existing-img)
            use_existing_img_on_dev="yes"
            shift ;;
    -j|--debian-iso)
            shift
            if [ -z "$(echo $1 |grep ^-.)" ]; then
              # skip the -xx option, in case 
              DEBIAN_ISO="$1"
	      template_mode="from-download-live-media"
              shift
            fi
	    [ -z "$DEBIAN_ISO" ] && USAGE && exit 1
            ;;
    -x|--extra-boot-param)
            shift
            if [ -z "$(echo $1 |grep ^-.)" ]; then
              # skip the -xx option, in case 
              live_extra_boot_param="$1"
              shift
            fi
	    [ -z "$live_extra_boot_param" ] && USAGE && exit 1
            ;;
    -n|--ocs-live-boot-menu-option)
            shift
            if [ -z "$(echo $1 |grep ^-.)" ]; then
              # skip the -xx option, in case 
              live_boot_menu_opt_raw="$live_boot_menu_opt_raw $1"
              shift
            fi
	    [ -z "$live_boot_menu_opt_raw" ] && USAGE && exit 1
            ;;
    -u|--include-dir)
            shift
            if [ -z "$(echo $1 |grep ^-.)" ]; then
              # skip the -xx option, in case 
              include_dir="$1"
              shift
            fi
	    [ -z "$include_dir" ] && USAGE && exit 1
            ;;
    -y|--syslinux-ver)
            shift
            if [ -z "$(echo $1 |grep ^-.)" ]; then
              # skip the -xx option, in case 
              isolinux_ver="$1"
              shift
            fi
	    [ -z "$isolinux_ver" ] && USAGE && exit 1
            ;;
    -*)     echo "${0}: ${1}: invalid option" >&2
            USAGE >& 2
            exit 2 ;;
    *)      break ;;
  esac
done
ocs_image="$*"
# strip the / to avoid problem
ocs_image="$(echo $ocs_image | sed -e "s|/||g")"
      
if [ -z "$ocs_image" ]; then
  [ "$insert_mode" = "prog_and_img" -a "$target_mode" = "boot_dev" ] && USAGE && exit 1
fi
[ -z "$image_path" ] && image_path=$ocsroot
[ -z "$bg_mode" ] && bg_mode="$BG_MODE_DEF"
[ -z "$output_dev" -a "$target_mode" = "boot_dev" ] && USAGE && exit 1
[ -z "$DEBIAN_ISO" ] && DEBIAN_ISO="$DEBIAN_ISO_DEF"
if [ -n "$live_boot_menu_opt_raw" ]; then
   for i in $live_boot_menu_opt_raw; do
     ocs_live_boot_menu_option="$ocs_live_boot_menu_option -$i"
   done
fi
md5_file_url="$DEBIAN_ISO_ETC_PATH/$md5_file"

#
ask_and_load_lang_set $specified_lang

#
if [ -n "$custom_ocs" -a ! -e "$custom_ocs" ]; then
  [ "$BOOTUP" = "color" ] && $SETCOLOR_FAILURE
  echo "File $custom_ocs not found!"
  [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
  echo "$msg_program_stop"
  exit 1
fi

# Format the lang variable. This is for clonezilla live running, not for ocs-iso.
case "$ocs_lang" in 
  zh_TW.BIG5|zh_TW.big5|tw.BIG5)
   [ "$BOOTUP" = "color" ] && $SETCOLOR_WARNING
   echo "For Traditional Chinese locale, Clonezilla live only supports unicode (zh_TW.UTF-8), not Big5 encoding (zh_TW.BIG5). Force to use UTF-8 for Traditional Chinese in Clonezilla live."
   [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
   ocs_lang="zh_TW.UTF-8" ;;
  zh_TW.UTF-8|zh_TW.utf8|tw.UTF-8|tw.utf8)
   ocs_lang="zh_TW.UTF-8" ;;
esac

# we need zip to create the release file when target_mode is release_file
if ! type zip &>/dev/null && [ "$target_mode" = "release_file" ]; then
  [ "$BOOTUP" = "color" ] && $SETCOLOR_FAILURE
  echo "Command zip not found!"
  [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
  echo "$msg_program_stop"
  exit 1
fi

if [ "$target_mode" = "boot_dev" ]; then
  # Prepare output dev, name, grub dev name...
  # /dev/sda1 -> /dev/sda, sda1 (output_dev_hd, output_dev_name)
  output_dev_hd="$(echo $output_dev | sed -e "s/[[:digit:]]*$//g")"
  output_dev_name="$(basename $output_dev)"
  
  # check if the target exists
  # Todo: if it's devfs ?
  if [ -z "$(grep -Ew "$output_dev_name" /proc/partitions)" ]; then
    [ "$BOOTUP" = "color" ] && $SETCOLOR_FAILURE
    echo "$output_dev $msg_NOT_found!"
    [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
    echo "$msg_program_stop"
    exit 1
  fi

  # check if the target is busy or not
  if [ -n "$(grep -Ew "^$output_dev" /proc/mounts)" ]; then
    [ "$BOOTUP" = "color" ] && $SETCOLOR_FAILURE
    echo "$msg_is_mounted_u_must_unmount_it: $output_dev"
    [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
    echo "$msg_this_is_disk_usage_status:"
    df -h
    echo "$msg_program_stop"
    exit 1
  fi
  [ "$BOOTUP" = "color" ] && $SETCOLOR_WARNING
  echo "$msg_create_live_device_warning: $output_dev"
  echo "$msg_this_is_disk_usage_status:"
  parted -s $output_dev_hd print
  [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
  if [ "$batch_mode" = "no" ]; then
    echo "$msg_are_u_sure_u_want_to_continue"
    echo -n "[y/N] "
    read cont_ans
    case "$cont_ans" in
      y|Y|[yY][eE][sS])
         echo $msg_ok_let_do_it
         ;;
      *)
         echo "Abort!"
         exit 2
    esac
  fi
fi

# Decide where is the $LIVE_MEDIA
get_live_media_mnt_point &>/dev/null

#
USB_TMP="$(mktemp -d $ocsroot/ocs-usb-tmp.XXXXXX)"

img_cp_type=""
echo "Starting creating Clonezilla live USB files..."
if [ -n "$output_dev" ]; then
  # output_dev, e.g. /dev/sdc1 is set, therefore we have to copy files, not using symbolic.
  img_cp_type="copy"
fi
if [ -z "$img_cp_type" ]; then
  # First, we test if the file system on USB_TMP supports symbolic link
  tmpf="$(mktemp $USB_TMP/linktest.XXXXXX)"
  if ln -fs $tmpf $tmpf.link 2>/dev/null; then
    echo "File system on $USB_TMP/ supports symbolic link. The image file will be linked instead of being copied."
    img_cp_type="link"
  else
    echo "File system on $USB_TMP/ does _NOT_ supports symbolic link. The image file will be copied instead of being linked."
    img_cp_type="copy"
  fi
  # Clean the test files
  [ -L "$tmpf.link" ] && rm -f $tmpf.link   # remove the linked file before the real file.
  [ -e "$tmpf" ] && rm -f $tmpf
fi

#
trap clean_tmp_dir HUP INT QUIT TERM EXIT

# Try to find if it is running on live cd/usb already
if [ -z "$template_mode" ]; then
  if [ -n "$LIVE_MEDIA" ]; then
    # It's running from Clonezilla live media, use the existing resource
    template_mode="from-booting-live-media"
    [ "$BOOTUP" = "color" ] && $SETCOLOR_WARNING
    echo "Found a Clonezilla live media... Will use that as a template..."
    [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
  else
    template_mode="from-downloaded-live-media"
    [ "$BOOTUP" = "color" ] && $SETCOLOR_WARNING
    echo "No Clonezilla live media was found... Will use the downloaded template from Clonezilla repository..."
    [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
  fi 
fi 

if [ "$template_mode" = "from-downloaded-live-media" ]; then
  if [ ! -f "$DEBIAN_ISO" ]; then
    echo "Searching for the latest Clonezilla live iso..."
    cz_ver="$(LC_ALL=C get-latest-ocs-live-ver $clonezilla_iso_branch)"
    clonezilla_iso_fname="clonezilla-live-${cz_ver}${clonezilla_iso_arch_tag}.iso"
    iso_url_for_pxe_ocs_live="http://downloads.sourceforge.net/clonezilla/$clonezilla_iso_fname"
    echo "We need Clonnezilla live iso to create such a recovery cd."
    echo "Downloadling the iso file from $iso_url_for_pxe_ocs_live..."
    wget $iso_url_for_pxe_ocs_live
    get_iso_rc=$?
    # validate it
    if [ "$get_iso_rc" -eq 0 ]; then
      echo -n "Validating $clonezilla_iso_fname... "
      md5_tmp="$(mktemp -d /tmp/isomd5.XXXXXX)"
      #  wget http://free.nchc.org.tw/clonezilla-live/stable/MD5SUMS
      echo -n "Downloading $md5_file_url... "
      wget $wget_opt -P "$md5_tmp" $md5_file_url
      if ! grep -w "$clonezilla_iso_fname" $md5_tmp/$md5_file | md5sum -c; then
        [ "$BOOTUP" = "color" ] && $SETCOLOR_FAILURE
        echo "$DEBIAN_ISO is broken! Try to remove $clonezilla_iso_fname and run this program again."
        [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
        echo "$msg_program_stop"
        exit 1
      fi
      # Rename it to the template iso file name (fixed name)
      mv -f $clonezilla_iso_fname $DEBIAN_ISO
    else
      [ "$BOOTUP" = "color" ] && $SETCOLOR_FAILURE
      echo "Unable to download $iso_url_for_pxe_ocs_live!"
      [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
      echo "$msg_program_stop"
      exit 1
    fi
  else
    echo "A template iso ($DEBIAN_ISO) was found!"
  fi
fi

if [ "$insert_mode" = "prog_and_img" ]; then
  # 2 cases:
  # (1) normal_menu_with_insert_image=no, i.e. only restore menu. ocs-live-restore is the main program.
  # If it's not batch mode for clonezilla live (especially for restoring), by default we have to append "-x --restore-only", and especially before any other parameters, so that ocs-sr will run like:
  # ocs-sr -l $ocs_lang -p true -x --restore-only -b restoredisk squeeze_image
  # (2) normal_menu_with_insert_image=yes, i.e. normal menu. ocs-live-general is the main program. Threfore no extra param.
  if [ "$ocs_live_batch" = "no" ]; then
    case "$normal_menu_with_insert_image" in
      no) ocs_live_extra_param="-x --restore-only $ocs_live_extra_param" ;;
      yes) ocs_live_extra_param="" ;;
    esac
  fi

  echo "Creating clonezilla live with image(s) $ocs_image from $image_path..."
  # use the 1st image name as iso filename
  zip_label_tag="$(echo $ocs_image | awk -F" " '{print $1}')"
  if [ "$use_existing_img_on_dev" = "no" ]; then
    # Image will be copied or linked from $ocsroot.
    for im in $ocs_image; do
      if [ ! -d "$image_path/$im" ]; then
        [ "$BOOTUP" = "color" ] && $SETCOLOR_FAILURE
        echo "$image_path/$im $msg_NOT_found!"
        [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
        echo "$msg_program_stop"
        exit 1
      fi
      convert_ocs_format_from_1.5_to_2.0_or_newer $image_path/$im/
      img_size="$(du -ms $image_path/$im/ | awk -F" " '{print $1}')" # unit: MB
      img_size_sum="$((img_size_sum+img_size))"
    done
  fi
else
  echo "Creating clonezilla Live without any clonezilla image embedded..."
  # if version_no is not set, use date (Ex. 20070409)
  [ -z "$version_no" ] && version_no="$(date +%Y%m%d)"
  zip_label_tag="${version_no}"
fi
boot_menu_opt="--version-no $zip_label_tag"

#
WD="$(pwd)"
if [ "$template_mode" = "from-booting-live-media" ]; then
  DEBIAN_ISO_TMP="$LIVE_MEDIA"
else
  DEBIAN_ISO_TMP="$(mktemp -d /tmp/ocs-iso.XXXXXX)"
  mount -o loop,ro $DEBIAN_ISO $DEBIAN_ISO_TMP
fi

# Check if EFI boot could be supported.
if [ ! -e "$DEBIAN_ISO_TMP/EFI/boot/bootx64.efi" ]; then
  # We only check bootx64.efi since bootx86.efi is optional.
  [ "$BOOTUP" = "color" ] && $SETCOLOR_WARNING
  echo "Warning! /EFI/boot/bootx64.efi was not found in template Clonezilla live!"
  echo "The generated $target_iso will not support EFI boot!"
  [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
  sleep 5
  enabled_EFI="false"
fi

if [ "$target_mode" = "release_file" ]; then
  # assume boot loader as syslinux for release_file mode.
  boot_loader="syslinux"
else
  # mount the target boot device
  mount $output_dev $USB_TMP
  rc=$?
  if [ "$rc" -gt 0 ]; then
    [ "$BOOTUP" = "color" ] && $SETCOLOR_FAILURE
    echo "$msg_unable_to_mount_this_dev $output_dev!"
    echo "$msg_format_as_FAT_16_32:"
    echo "mkfs.vfat -F 16 $output_dev"
    echo "$msg_or"
    echo "mkfs.vfat -F 32 $output_dev"
    [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
    umount $DEBIAN_ISO_TMP
    exit 1
  fi
fi

#
# Possible kernel/initrd paths are /casper (created by casper) or /live (created by live-initramfs)
# Find the kernel and initrd in $DEBIAN_ISO_TMP/casper or $DEBIAN_ISO_TMP/live
# Ex: $DEBIAN_ISO_TMP/casper/vmlinuz1, /$DEBIAN_ISO_TMP/casper/initrd1.img
# $live_sys_files_dir_list is from drbl-ocs.conf.
sys_files_dir=""
for i in $live_sys_files_dir_list; do
  krnfile="$(find $DEBIAN_ISO_TMP/$i/ -maxdepth 1 -name "vmlinuz*" -print 2>/dev/null)"
  if [ -n "$krnfile" ]; then
    krnfile="$(basename $krnfile)"
    sys_files_dir="$i"
    irdfile="$(find $DEBIAN_ISO_TMP/$i/ -maxdepth 1 -name "initrd*" -print)"
    irdfile="$(basename $irdfile)"
    break
  fi
done

if [ -z "$sys_files_dir" ]; then
  [ "$BOOTUP" = "color" ] && $SETCOLOR_FAILURE
  echo "No system files from template live iso are found!"
  [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
  echo "$msg_program_stop"
  exit 1
fi

if [ -z "$krnfile" -o -z "$irdfile" ]; then
   [ "$BOOTUP" = "color" ] && $SETCOLOR_FAILURE
   echo "Kernel and initrd files NOT found in path $DEBIAN_ISO_TMP/$sys_files_dir/!"
   echo "$msg_program_stop"
   [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
   exit 1
fi

#
if [ "$template_mode" = "from-booting-live-media" ]; then
  # From boot media
  # From boot media (clonezilla live), DEBIAN_ISO_TMP is LIVE_MEDIA
  # The dirs/files in Clonezilla live:
  # -r--r--r--  Clonezilla-Live-Version
  # -r--r--r--  GPL
  # dr-xr-xr-x  .disk/
  # dr-xr-xr-x  EFI/
  # dr-xr-xr-x  isolinux/
  # dr-xr-xr-x  live/
  # dr-xr-xr-x  syslinux/
  # dr-xr-xr-x  utils/
  # We need all of them.
  template_iso_size="$(LC_ALL=C du -Lmsc $LIVE_MEDIA/{Clonezilla-Live-Version,GPL,.disk,EFI,$sys_files_dir,syslinux,utils} | tail -n 1 | awk -F" " '{print $1}')"
else
  # From iso file (debian-live-for-ocs.iso)
  # The dirs/files in Debian live for OCS:
  # dr-xr-xr-x  3 root root 4.0K 2010-05-28 18:03 doc/
  # dr-xr-xr-x  2 root root 4.0K 2010-05-28 18:03 isolinux/
  # dr-xr-xr-x  2 root root 2.0K 2010-05-28 18:03 live/
  # -r--r--r--  1 root root 3.7K 2010-05-28 18:03 md5sum.txt
  # We only need dirs isolinux and live only
  template_iso_size="$(LC_ALL=C du -Lmsc $DEBIAN_ISO_TMP/{isolinux,$sys_files_dir} | tail -n 1 | awk -F" " '{print $1}')"
fi
target_files_size="$(($template_iso_size + $img_size_sum))"

echo "Estimated necessary space size in target dev: $target_files_size MB"
if [ "$target_files_size" -gt 2000 ]; then
  [ "$BOOTUP" = "color" ] && $SETCOLOR_WARNING
  echo "Because currently 'zip' does not support file larger than 2 GB very well, we switch to use 'tar' to create the image."
  [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
  if [ "$batch_mode" = "no" ]; then
    echo -n "$msg_press_enter_to_continue..."
    read
  fi
  prefer_archive="tar"
fi

#
if [ "$target_mode" = "release_file" ]; then
  if [ -n "$target_zip_prefix" ]; then
    output_filename="${target_zip_prefix}.${prefer_archive}"
  else
    output_filename="clonezilla-live-${zip_label_tag}.${prefer_archive}"
  fi
  echo "The output file name is: $output_filename"
  # Clean the stale zip file
  [ -f "$output_filename" ] && rm -f $output_filename
fi

echo -n "Preparing the system files to working dir... This might take a few minutes... "
# //NOTE// Not all the files in $DEBIAN_ISO_TMP/ will be copied. Only the required files. Otherwise other existing files on the USB flash drive will be copied.
# Instead of copying files, we use link to save time and space
  case "$img_cp_type" in
    copy) echo "Copying dir $DEBIAN_ISO_TMP/$sys_files_dir to $USB_TMP/"
          rsync -a $DEBIAN_ISO_TMP/$sys_files_dir $USB_TMP/
          ;;
    link) echo "Linking files from $DEBIAN_ISO_TMP/$sys_files_dir/ to $USB_TMP/$sys_files_dir..."
          mkdir -p $USB_TMP/$sys_files_dir 
          ( cd $USB_TMP/$sys_files_dir
            for i in $DEBIAN_ISO_TMP/$sys_files_dir/*; do
             [ ! -e "$i" ] && continue 
             ln -fs $i "$(basename $i)"
            done
          )
          ;;
  esac
echo "done!"

cp -af $DRBL_SCRIPT_PATH/doc/GPL $USB_TMP/
# replace the original syslinux and related files.
mkdir -p $USB_TMP/syslinux/ $USB_TMP/EFI/boot/
# For syslinux
cp -af $isolinux_file $pxelinux_simple_vesamenu $pxelinux_simple_menu $pxelinux_memdisk_file $pxelinux_bg_img $ocs_logo_img_png $pxelinux_chain_file $USB_TMP/syslinux/
# For Syslinux 5, new .c32 are required: ldlinux.c32, libcom32.c32, libutil.c32
for i in $sys_pxelinux_v5p_required_c32; do
  if [ -e "$pxelinux_binsrc_dir/$i" ]; then
    # syslinux <= 5 
    cp -af $pxelinux_binsrc_dir/$i $USB_TMP/syslinux/
  elif [ -e "$pxelinux_binsrc_dir/bios/$i" ]; then
    # syslinux >= 6, different path
    cp -af $pxelinux_binsrc_dir/bios/$i $USB_TMP/syslinux/
  fi
done
# 2. For EFI machine
# Copy the EFI boot files
if [ "$live_efi_boot_loader" = "grub" ]; then
  if [ -e "$DEBIAN_ISO_TMP/EFI/boot/bootia32.efi" -o -e "$DEBIAN_ISO_TMP/EFI/boot/bootx64.efi" ]; then
    cp -af $DEBIAN_ISO_TMP/EFI $USB_TMP/
    cp -af $ocs_logo_grub2_img_png $USB_TMP/EFI/boot/
  else
    [ "$BOOTUP" = "color" ] && $SETCOLOR_WARNING
    echo "Warning! Missing /EFI/boot/bootia32.efi or /EFI/boot/bootx64.efi in the template iso!"
    echo "uEFI booting won't work!"
    [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
  fi
elif [ "$live_efi_boot_loader" = "syslinux" ]; then
   # Those files are prepared in /usr/share/drbl/pkg/syslinux/efi64/ by drbl-prepare-pxelinux
   cp -af $pxelinux_binsrc_dir/efi64/syslinux.efi $USB_TMP/EFI/boot/bootx64.efi 
   cp -af $pxelinux_binsrc_dir/efi64/ldlinux.e64 $USB_TMP/EFI/boot/
   cp -af $pxelinux_binsrc_dir/efi64/*.c32 $USB_TMP/EFI/boot/
   cp -af $ocs_logo_grub2_img_png $USB_TMP/EFI/boot/
fi
# $USB_TMP/EFI and its sub dirs might be not in the mode of 755 since they are copied from the files from iso. We chmod to 755 so that it's easier to remove them by "rm -rf" when it's not used anymore.
# This especially for zip file, not iso file, because iso file won't only mount it, not unzip it.
chmod 755 $USB_TMP/EFI
find $USB_TMP/EFI -type d -exec chmod 755 {} \;

if [ -n "$include_dir" ]; then
  cp -af $include_dir $USB_TMP/
fi

#
etherboot_zlilo="$($query_pkglist_cmd drbl-etherboot 2>/dev/null | grep -E "eb-.*-etherboot-pci.zlilo$")"
# we have to force it name as etherboot.zdsk, since isolinux only uses the "plain" ISO 9660 filenames, i.e. it does not support Rock Ridge or Joliet filenames.
# ref: http://syslinux.zytor.com/archives/2006-October/007440.html
# "-" will be regards as "_" if you want to use "-" for isolinux.
# In syslinux on vfat, etherboot.zlilo is too long, make it ever shorter as eb.zli
if [ -n "$etherboot_zlilo" ]; then
  # This is run in DRBL server
  cp -af $etherboot_zlilo $USB_TMP/$sys_files_dir/eb.zli
else
  # This is run in Clonezilla live with casper or live mechanism
  for i in $live_sys_files_dir_list; do
    if [ -e "$LIVE_MEDIA/$i/eb.zli" ] && [ ! -e "$USB_TMP/$sys_files_dir/eb.zli" ]; then
      cp -af $LIVE_MEDIA/$i/eb.zli $USB_TMP/$sys_files_dir/eb.zli
      break
    fi
  done
fi
# Same reason, we have to use different name in syslinux
# gPXE is deprecated, we will use iPXE. We keep this gpxe part for ref only.
gpxe_lkn="$($query_pkglist_cmd gpxe 2>/dev/null | grep -E "gpxe.lkrn$")"
if [ -n "$gpxe_lkn" ]; then
  # This is run in DRBL server
  cp -af $gpxe_lkn $USB_TMP/$sys_files_dir/gpxe.lkn
else
  # This is run in Clonezilla live with casper or live mechanism
  for i in $live_sys_files_dir_list; do
    if [ -e "$LIVE_MEDIA/$i/gpxe.lkn" ] && [ ! -e "$USB_TMP/$sys_files_dir/gpxe.lkn" ]; then
      cp -af $LIVE_MEDIA/$i/gpxe.lkn $USB_TMP/$sys_files_dir/gpxe.lkn
      break
    fi
  done
fi
# Same reason, we have to use different name in syslinux
# For ipxe from Debian, there are 2 "ipxe.lkrn", and one of them is symbolic file:
# $ dpkg -c ipxe_1.0.0+git-20150424.a25a16d-1_all.deb | grep ipxe.lkrn
# -rw-r--r-- root/root    279677 2015-04-30 03:04 ./boot/ipxe.lkrn
# lrwxrwxrwx root/root         0 2015-04-30 03:04 ./usr/lib/ipxe/ipxe.lkrn -> /boot/ipxe.lkrn
# Therefore we force to use "-L" option in cp command
ipxe_lkn="$(LC_ALL=C $query_pkglist_cmd ipxe 2>/dev/null | grep -Ew "ipxe.lkrn$" | tail -n 1)"
if [ -n "$ipxe_lkn" ]; then
  # This is run in DRBL server
  cp -afL $ipxe_lkn $USB_TMP/$sys_files_dir/ipxe.lkn
else
  # This is run in Clonezilla live with casper or live mechanism
  for i in $live_sys_files_dir_list; do
    if [ -e "$LIVE_MEDIA/$i/ipxe.lkn" ] && [ ! -e "$USB_TMP/$sys_files_dir/ipxe.lkn" ]; then
      cp -afL $LIVE_MEDIA/$i/ipxe.lkn $USB_TMP/$sys_files_dir/ipxe.lkn
      break
    fi
  done
fi
# For ipxe from Debian, there are 2 "ipxe.efi", and one of them is symbolic file:
# $ dpkg -c ipxe_1.0.0+git-20150424.a25a16d-1_all.deb | grep ipxe.efi
# -rw-r--r-- root/root    754752 2015-04-30 03:04 ./boot/ipxe.efi
# lrwxrwxrwx root/root         0 2015-04-30 03:04 ./usr/lib/ipxe/ipxe.efi -> /boot/ipxe.efi
# Therefore we force to use "-L" option in cp command
ipxe_efi="$(LC_ALL=C $query_pkglist_cmd ipxe 2>/dev/null | grep -Ew "ipxe.efi$" | tail -n 1)"
if [ -n "$ipxe_efi" ]; then
  # This is run in DRBL server
  cp -afL $ipxe_efi $USB_TMP/$sys_files_dir/ipxe.efi
else
  # This is run in Clonezilla live with casper or live mechanism
  for i in $live_sys_files_dir_list; do
    if [ -e "$LIVE_MEDIA/$i/ipxe.efi" ] && [ ! -e "$USB_TMP/$sys_files_dir/ipxe.efi" ]; then
      cp -afL $LIVE_MEDIA/$i/ipxe.efi $USB_TMP/$sys_files_dir/ipxe.efi
      break
    fi
  done
fi
# same reason, we have to use different name in syslinux
if [ -e "$fdos_img_src" ] ; then
  cp -af $fdos_img_src $USB_TMP/$sys_files_dir/freedos.img
else
  # This is run in Clonezilla live with casper or live mechanism
  for i in $live_sys_files_dir_list; do
    if [ -e "$LIVE_MEDIA/$i/freedos.img" ] && [ ! -e "$USB_TMP/$sys_files_dir/freedos.img" ]; then
      cp -af $LIVE_MEDIA/$i/freedos.img $USB_TMP/$sys_files_dir/freedos.img
      break
    fi
  done
fi
# $memtest86_file (memtest86) is 9 characters, will go wrong when it's FAT (usb flash drive). We use memtest to overwrite the one comes from Debian live.
if [ -e "$memtest86_file" ]; then
  cp -af $memtest86_file $USB_TMP/$sys_files_dir/memtest
else
  # This is run in Clonezilla live with casper or live mechanism
  for i in $live_sys_files_dir_list; do
    if [ -e "$LIVE_MEDIA/$i/memtest" ] && [ ! -e "$USB_TMP/$sys_files_dir/memtest" ]; then
      cp -af $LIVE_MEDIA/$i/memtest $USB_TMP/$sys_files_dir/memtest
      break
    fi
  done
fi

# Decide ocs_live_run
# $DRBL_SCRIPT_PATH/sbin/custom-ocs is copied from $LIVE_MEDIA/pkg/custom-ocs by /etc/ocs/ocs-live.d/S03prep-drbl-clonezilla when booting
if [ -n "$custom_ocs" ]; then
    # If $custom_ocs is found, put it in pkg/ as custom-ocs
    mkdir -p $USB_TMP/pkg
    cp -af $custom_ocs $USB_TMP/pkg/custom-ocs
    ocs_live_run="custom-ocs"
else
  if [ "$insert_mode" = "prog_and_img" ]; then
    case "$normal_menu_with_insert_image" in
      no) ocs_live_run="ocs-live-restore" ;;
      yes) ocs_live_run="ocs-live-general" ;;
    esac
  else # prog_only mode
    ocs_live_run="ocs-live-general"
  fi
fi

# create dir $ocsroot in target dev
mkdir -p $USB_TMP/$ocsroot
if [ -n "$ocs_image" ]; then
  if [ "$use_existing_img_on_dev" = "no" ]; then
    # Image will be copied or linked from $ocsroot.
    # When image is included, we force not to compress otherwise it will take a lot of time.
    zip_compress_opt="-0"
    echo -n "Copying clonezilla image to working dir... "
    for im in $ocs_image; do
      echo -n "$im "
      # we just copy images to $ocsroot in usb debice. since $ocsroot in drbl.conf will be read when ocs-live-save-*/ocs-live-restore is run
      # If the file system of $USB_TMP/$ocsroot/ supports link, we will link the image, and when zip or tar, follow the link. Actually zip will follow the link automatically since it does not support archiving link file. For tar we have to use  option "h".
      case "$img_cp_type" in
        copy)
             # Since we will always use /home/partimag as the image root in Clonezilla live, here the path in the created iso is /home/partimag/
    	 mkdir -p $USB_TMP/home/partimag
             cp -rfL $image_path/$im $USB_TMP/home/partimag/
             ;;
        link)
             # Since we will always use /home/partimag as the image root in Clonezilla live, here the path in the created iso is /home/partimag/
    	 mkdir -p $USB_TMP/home/partimag
             ( cd $USB_TMP/home/partimag/
               ln -fs $image_path/$im
             )
             ;;
      esac
    done
    echo "done!"
  else
    echo "Use the existing image \"$ocs_image\" on the device $output_dev under path $ocsroot."
  fi
fi

# put boot loader in MBR if not assign
[ -z "$boot_loader" ] && set_boot_loader $output_dev
# check & format boot_loader
case "$boot_loader" in
  grub|GRUB)         boot_loader="grub" ;;
  syslinux|SYSLINUX) boot_loader="syslinux" ;;
  *) 
     [ "$BOOTUP" = "color" ] && $SETCOLOR_FAILURE
     echo "Unknown boot loader $boot_loader!"
     [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
     echo "$msg_program_stop"
     exit 1
esac

echo "Copying kernel, initrd, etc..."
mkdir -p $USB_TMP/$sys_files_dir
case "$boot_loader" in
  grub)
      # For grub, we force to put the kernel and initrd in /boot of device.
      mkdir -p $USB_TMP/boot/grub
      cp -a $DEBIAN_ISO_TMP/$sys_files_dir/{$krnfile,$irdfile} $USB_TMP/boot/
      cp -af $ocs_logo_img_xpm $USB_TMP/boot/grub
      kernel_on_dev="/boot/$krnfile"
      initrd_on_dev="/boot/$irdfile"
      ;;
  syslinux)
      case "$img_cp_type" in
        copy) echo "Copying dir $DEBIAN_ISO_TMP/$sys_files_dir to $USB_TMP/"
              cp -a $DEBIAN_ISO_TMP/$sys_files_dir/{$krnfile,$irdfile} $USB_TMP/$sys_files_dir/
              ;;
        link)
              if [ ! -e "$USB_TMP/$sys_files_dir/$krnfile" ]; then
                ln -fs $DEBIAN_ISO_TMP/$sys_files_dir/$krnfile $USB_TMP/$sys_files_dir/$krnfile
              fi
              if [ ! -e "$USB_TMP/$sys_files_dir/$irdfile" ]; then
                ln -fs $DEBIAN_ISO_TMP/$sys_files_dir/$irdfile $USB_TMP/$sys_files_dir/$irdfile
              fi
              ;;
      esac
      kernel_on_dev="/$sys_files_dir/$krnfile"  # e.g. /live/vmlinuz1
      initrd_on_dev="/$sys_files_dir/$irdfile"
      ;;
esac
# put version tag
# The content is like clonezilla-live-20070308
echo "clonezilla-live-${zip_label_tag}" > $USB_TMP/Clonezilla-Live-Version
echo "This Clonezilla live zip file was created by this command:" >> $USB_TMP/Clonezilla-Live-Version
echo "$prog $prog_option" >> $USB_TMP/Clonezilla-Live-Version

# Find the boot param $boot_param, also $splash_opt and $quiet_opt will be gotten
if [ "$template_mode" = "from-booting-live-media" ]; then
  # From boot media (clonezilla live), DEBIAN_ISO_TMP is LIVE_MEDIA
  # Jan/19/2014 We have unified syslinux and isolinux to one dir "syslinux"
  get_live_boot_param $DEBIAN_ISO_TMP/syslinux
else
  # From iso file (debian-live-for-ocs.iso)
  get_live_boot_param $DEBIAN_ISO_TMP/isolinux
fi


if [ "$splash_opt" = "splash" ]; then
  splash_switch="-sp"
else
  splash_switch=""
fi
if [ "$quiet_opt" = "quiet" ]; then
  quiet_switch="-q"
else
  quiet_switch=""
fi

if [ "$enabled_EFI" = "true" ]; then
  # Build the EFI boot image. This is especially for iso file. Not for USB stick. However, here we still prepare the file so that later it's easier to use genisoimage to create the EFI-enabled iso.
  # The following codes are referred from Fedora anaconda's mk-images.efi
  # http://fedorapeople.org/cgit/karsten/public_git/anaconda.git/plain/scripts/mk-images.efi
  # Ref: https://fedoraproject.org/wiki/User:Pjones/BootableCDsForBIOSAndUEFI#New_UEFI.2FBIOS_hybrid_method
  EFI_BOOTIMG_TMP="$(mktemp -d /tmp/efi-boot.XXXXXX)"
  EFI_BOOTTREE="$DEBIAN_ISO_TMP/EFI"
  EFI_IMGTREE="$USB_TMP/EFI/images"
  EFI_IMG="$EFI_IMGTREE/efiboot.img"
  mkdir -p $EFI_IMGTREE
  rm -rf $USB_TMP/.disk
  rm -f $EFI_IMG
  
  BOOTDISKSIZE="$(LC_ALL=C du -kcs $EFI_BOOTTREE | tail -n1 | awk '{print $1}')"
  BOOTDISKSIZE="$(LC_ALL=C echo "scale=0; $BOOTDISKSIZE * 1.03 / 1" | bc -l)"
  echo "The size of the $EFI_IMG is $BOOTDISKSIZE"
  mkdosfs -n OCS-EFI -C $EFI_IMG $BOOTDISKSIZE >/dev/null
  mount -o loop,shortname=winnt,umask=0077 -t vfat $EFI_IMG $EFI_BOOTIMG_TMP
  mkdir -p $EFI_BOOTIMG_TMP/EFI/
  if [ "$live_efi_boot_loader" = "grub" ]; then
    # In this case, bootx64.efi is in $EFI_BOOTTREE/, but we should exclude the existing $EFI_BOOTTREE/images/efiboot.img
    # However, when mkdosfs we do not exclude $EFI_BOOTTREE/images/efiboot.img, so the size might be counted. It's better to put efiboot.img not in /EFI/ in the future.
    rsync -a --exclude images/ $EFI_BOOTTREE/* $EFI_BOOTIMG_TMP/EFI/
  elif [ "$live_efi_boot_loader" = "syslinux" ]; then
    # In this case, bootx64.efi is copied in $ISOSYSLNX_TMP/EFI/, we should do something similar with ocs-gen-grub2-efi-bldr
    rsync -a --exclude images/ $ISOSYSLNX_TMP/EFI/* $EFI_BOOTIMG_TMP/EFI/
    # TODO similar to ocs-gen-grub2-efi-bldr, create a syslinux.cfg to include /syslinux/syslinux.cfg.
  fi
  umount $EFI_BOOTIMG_TMP
  if [ -d "$EFI_BOOTIMG_TMP" -a -n \
  	"$(echo $EFI_BOOTIMG_TMP | grep -e "efi-boot")" ]; then
    rm -rf $EFI_BOOTIMG_TMP
  fi
  
  # Create an info file for grub2 to autodetect the cd root
  # Ref: http://www.sysresccd.org/forums/viewtopic.php?f=5&t=4410
  mkdir $USB_TMP/.disk
  echo -n "[Clonezilla]" > $USB_TMP/.disk/info
  
  # For Ubuntu uEFI secure boot signed grubx64.efi, it will search /boot/grub/grub.cfg instead of what we have (/EFI/boot/grub.cfg). Although we do not use Ubuntu as the underlaying OS, we still keep this for the future just in case.
  mkdir -p $USB_TMP/boot/grub/
  cat <<-EFI_END > $USB_TMP/boot/grub/grub.cfg
# This file is for compatibility to Ubuntu Linux's uEFI secure boot. 
# The real config file for grub is /EFI/boot/grub.cfg.
configfile /EFI/boot/grub.cfg
EFI_END
fi

# Prepare the sort file for genisoimage. Although we do not use genisoimage here, however, we'd like the file created by ocs-live-dev is the same with that of ocs-iso. So it's easier to convert zip file to iso file.
# Therefore we still put the file iso_sort.txt here.
gen_iso_sort_file $USB_TMP/syslinux/iso_sort.txt

# Make sure no extra white space in the end of ocs_live_run and ocs_live_extra_param
# Otherwise it might cause the boot parameters to be wrongly parsed, i.e. the boot parameters:
# ocs_live_run="clonezilla -l en_US.UTF-8 -p reboot -k  " net.ifnames=0
# is wrongly parsed by Linux kernel 4.1 so that net.ifnames=0 won't take effect.
ocs_live_run="$(LC_ALL=C echo "$ocs_live_run" | sed -r -e "s/[[:space:]]*$//g")"
ocs_live_extra_param="$(LC_ALL=C echo "$ocs_live_extra_param" | sed -r -e "s/[[:space:]]*$//g")"

#
if [ -n "$ocs_image" ]; then
  # For syslinux
  ocs-live-boot-menu -vb $splash_switch $quiet_switch $ocs_live_boot_menu_option -l $lang_answer -f $VGA_MODE_DEF -b $bg_mode -k $kernel_on_dev -i $initrd_on_dev -m $ocs_logo_img_png $boot_menu_opt --boot-param "$boot_param $live_extra_boot_param $supp_boot_param_ocs_live_dev locales=$ocs_lang keyboard-layouts=$ocs_live_keymap ocs_live_run=\"$ocs_live_run\" ocs_live_extra_param=\"$ocs_live_extra_param\" ocs_live_batch=$ocs_live_batch" --title "clonezilla live with img $ocs_image" -r "* Boot menu for BIOS machine" syslinux $USB_TMP/syslinux/
  # For isolinux
  ocs-live-boot-menu -vb $splash_switch $quiet_switch $ocs_live_boot_menu_option -l $lang_answer -f $VGA_MODE_DEF -b $bg_mode -k $kernel_on_dev -i $initrd_on_dev -m $ocs_logo_img_png $boot_menu_opt --boot-param "$boot_param $live_extra_boot_param $supp_boot_param_ocs_live_iso locales=$ocs_lang keyboard-layouts=$ocs_live_keymap ocs_live_run=\"$ocs_live_run\" ocs_live_extra_param=\"$ocs_live_extra_param\" ocs_live_batch=$ocs_live_batch" --title "clonezilla live with img $ocs_image" -r "* Boot menu for BIOS machine" isolinux $USB_TMP/syslinux/
  # For EFI, grub2 efi or syslinux efi
  if [ "$live_efi_boot_loader" = "grub" ]; then
    if [ -e "$USB_TMP/EFI/boot/bootia32.efi" -o -e "$USB_TMP/EFI/boot/bootx64.efi" ]; then
      ocs-live-boot-menu -vb $splash_switch $quiet_switch $ocs_live_boot_menu_option -l $lang_answer -f $VGA_MODE_DEF -b $bg_mode -k $kernel_on_dev -i $initrd_on_dev -m $ocs_logo_grub2_img_png $boot_menu_opt --boot-param "$boot_param $live_extra_boot_param $supp_boot_param_ocs_live_dev locales=$ocs_lang keyboard-layouts=$ocs_live_keymap ocs_live_run=\"$ocs_live_run\" ocs_live_extra_param=\"$ocs_live_extra_param\" ocs_live_batch=$ocs_live_batch" --title "clonezilla live with img $ocs_image" -r "* Boot menu for EFI machine" grub2-efi $USB_TMP/EFI/boot/
    fi
  elif [ "$live_efi_boot_loader" = "syslinux" ]; then
    ocs-live-boot-menu -vb $splash_switch $quiet_switch $ocs_live_boot_menu_option -l $lang_answer -f $VGA_MODE_DEF -b $bg_mode -k $kernel_on_dev -i $initrd_on_dev -m $ocs_logo_img_png $boot_menu_opt --boot-param "$boot_param $live_extra_boot_param $supp_boot_param_ocs_live_dev locales=$ocs_lang keyboard-layouts=$ocs_live_keymap ocs_live_run=\"$ocs_live_run\" ocs_live_extra_param=\"$ocs_live_extra_param\" ocs_live_batch=$ocs_live_batch" --title "clonezilla live with img $ocs_image" -r "* Boot menu for EFI machine" syslinux $USB_TMP/EFI/boot/
  fi
else
  # For syslinux
  ocs-live-boot-menu -vb $splash_switch $quiet_switch $ocs_live_boot_menu_option -l $lang_answer -f $VGA_MODE_DEF -b $bg_mode -k $kernel_on_dev -i $initrd_on_dev -m $ocs_logo_img_png $boot_menu_opt --boot-param "$boot_param $live_extra_boot_param $supp_boot_param_ocs_live_dev locales=$ocs_lang keyboard-layouts=$ocs_live_keymap ocs_live_run=\"$ocs_live_run\" ocs_live_extra_param=\"$ocs_live_extra_param\" ocs_live_batch=$ocs_live_batch" -r "* Boot menu for BIOS machine" syslinux $USB_TMP/syslinux/
  # For isolinux
  ocs-live-boot-menu -vb $splash_switch $quiet_switch $ocs_live_boot_menu_option -l $lang_answer -f $VGA_MODE_DEF -b $bg_mode -k $kernel_on_dev -i $initrd_on_dev -m $ocs_logo_img_png $boot_menu_opt --boot-param "$boot_param $live_extra_boot_param $supp_boot_param_ocs_live_iso locales=$ocs_lang keyboard-layouts=$ocs_live_keymap ocs_live_run=\"$ocs_live_run\" ocs_live_extra_param=\"$ocs_live_extra_param\" ocs_live_batch=$ocs_live_batch" -r "* Boot menu for BIOS machine" isolinux $USB_TMP/syslinux/
  # For EFI, grub2 efi or syslinux efi
  if [ "$live_efi_boot_loader" = "grub" ]; then
    if [ -e "$USB_TMP/EFI/boot/bootia32.efi" -o -e "$USB_TMP/EFI/boot/bootx64.efi" ]; then
      ocs-live-boot-menu -vb $splash_switch $quiet_switch $ocs_live_boot_menu_option -l $lang_answer -f $VGA_MODE_DEF -b $bg_mode -k $kernel_on_dev -i $initrd_on_dev -m $ocs_logo_grub2_img_png $boot_menu_opt --boot-param "$boot_param $live_extra_boot_param $supp_boot_param_ocs_live_dev locales=$ocs_lang keyboard-layouts=$ocs_live_keymap ocs_live_run=\"$ocs_live_run\" ocs_live_extra_param=\"$ocs_live_extra_param\" ocs_live_batch=$ocs_live_batch" -r "* Boot menu for EFI machine" grub2-efi $USB_TMP/EFI/boot
    fi
  elif [ "$live_efi_boot_loader" = "syslinux" ]; then
    ocs-live-boot-menu -vb $splash_switch $quiet_switch $ocs_live_boot_menu_option -l $lang_answer -f $VGA_MODE_DEF -b $bg_mode -k $kernel_on_dev -i $initrd_on_dev -m $ocs_logo_img_png $boot_menu_opt --boot-param "$boot_param $live_extra_boot_param $supp_boot_param_ocs_live_dev locales=$ocs_lang keyboard-layouts=$ocs_live_keymap ocs_live_run=\"$ocs_live_run\" ocs_live_extra_param=\"$ocs_live_extra_param\" ocs_live_batch=$ocs_live_batch" -r "* Boot menu for EFI machine" syslinux $USB_TMP/EFI/boot/
  fi
fi
echo "Preparing syslinux, syslinux.exe, makeboot.sh, and makeboot.bat in dir utils... "
# If it's in Clonezilla live environment, we have those files
if [ -e "$LIVE_MEDIA/utils/linux/syslinux" -a \
     -e "$LIVE_MEDIA/utils/mbr/mbr.bin" -a \
     -e "$LIVE_MEDIA/utils/win32/syslinux.exe" ]; then
  cp -af $LIVE_MEDIA/utils $USB_TMP
else
  # Since we can not judge the version from any files in $USB_TMP/syslinux, we use $USB_TMP/isolinux/isolinux.bin.
  if [ -z "$isolinux_ver" ]; then
    isolinux_ver="$(LC_ALL=C strings $USB_TMP/syslinux/isolinux.bin | grep "^ISOLINUX" | awk -F" " '{print $2}')"
  fi
  put_syslinux_makeboot_for_usb_flash $USB_TMP $isolinux_ver
fi
#
if [ "$target_mode" = "boot_dev" ]; then
  mkbt_opt=""
  if [ "$batch_mode" = "yes" ]; then
    mkbt_opt="-b"
  fi
  echo "Making $output_dev_hd bootable..."
  bash $USB_TMP/utils/linux/makeboot.sh $mkbt_opt $output_dev
  sleep 1
  umount $USB_TMP
else
  # just store it. since big files, like squash flie and opt_drbl.tgz are compressed, it's not necessary to compress it again.
  (cd $USB_TMP
   echo "Packing the output file $output_filename..."
   if [ "$prefer_archive" = "tar" ]; then
     tar --dereference -cvf $WD/$output_filename ./
   else
     zip $zip_compress_opt -r $WD/$output_filename ./
   fi
  )
  echo "The created release file is $output_filename. You can extract all the files into your pendrive, and use utils/linux/makeboot.sh on GNU/Linux or use utils/win32/makeboot.bat from pendrive on MS windows."
  [ "$BOOTUP" = "color" ] && $SETCOLOR_WARNING
  echo "Warning: DO NOT RUN makeboot.bat from your local hard drive on MS Windows!!! It is intended to be run from your USB device."
  [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
fi

# unmount all iso file
umount $DEBIAN_ISO_TMP &>/dev/null

# Clean the tmp working directory
echo "Cleaning tmp dirs..."
if [ -d "$DEBIAN_ISO_TMP" -a -n "$DEBIAN_ISO_TMP" -a \
	"$template_mode" = "from-downloaded-live-media" ]; then
  rmdir $DEBIAN_ISO_TMP
fi
[ -d "$USB_TMP" -a -n "$(echo $USB_TMP | grep "ocs-usb-tmp")" ] && rm -rf $USB_TMP

echo "Done!"
if [ "$target_mode" = "boot_dev" ]; then
  [ "$BOOTUP" = "color" ] && $SETCOLOR_WARNING
  echo "$msg_boot_clonezilla_live_dev: $output_dev_hd"
  [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
fi