Raspi2-3_GenImage Commit - r117:6c18469854f3 · Collaboration Tremplin des Sciences

Added: Configuration template file support (testing)

drtyhlpr -

r117:6c18469854f3

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r117:6c18469854f3

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templates/rpi2jessie created 644 +2 0

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		1	# Configuration template file used by rpi23-gen-image.sh
		2	RELEASE=jessie

templates/rpi2stretch created 644 +3 0

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		1	# Configuration template file used by rpi23-gen-image.sh
		2	RELEASE=stretch
		3	BUILD_KERNEL=true

templates/rpi3jessie created 644 +4 0

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		1	# Configuration template file used by rpi23-gen-image.sh
		2	RPI_MODEL=3
		3	RELEASE=jessie
		4	BUILD_KERNEL=true

templates/rpi3stretch created 644 +4 0

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		1	# Configuration template file used by rpi23-gen-image.sh
		2	RPI_MODEL=3
		3	RELEASE=stretch
		4	BUILD_KERNEL=true

functions.sh +11 0

              # This file contains utility functions used by rpi23-gen-image.sh
              cleanup (){
                set +x
                set +e
                # Identify and kill all processes still using files
                echo "killing processes using mount point ..."
                fuser -k "${R}"
                sleep 3
                fuser -9 -k -v "${R}"
                # Clean up temporary .password file
                if [ -r ".password" ] ; then
                  shred -zu .password
                fi
                # Clean up all temporary mount points
                echo "removing temporary mount points ..."
                umount -l "${R}/proc" 2> /dev/null
                umount -l "${R}/sys" 2> /dev/null
                umount -l "${R}/dev/pts" 2> /dev/null
                umount "$BUILDDIR/mount/boot/firmware" 2> /dev/null
                umount "$BUILDDIR/mount" 2> /dev/null
                cryptsetup close "${CRYPTFS_MAPPING}" 2> /dev/null
                losetup -d "$ROOT_LOOP" 2> /dev/null
                losetup -d "$FRMW_LOOP" 2> /dev/null
                trap - 0 1 2 3 6
              }
              chroot_exec() {
                # Exec command in chroot
                LANG=C LC_ALL=C DEBIAN_FRONTEND=noninteractive chroot ${R} $*
              }
              install_readonly() {
                # Install file with user read-only permissions
                install -o root -g root -m 644 $*
              }
              install_exec() {
                # Install file with root exec permissions
                install -o root -g root -m 744 $*
              }
+             use_template () {
+               # Test if configuration template file exists
+               if [ ! -r "./templates/${CONFIG_TEMPLATE}" ] ; then
+                 echo "error: configuration template ${CONFIG_TEMPLATE} not found"
+                 exit 1
+               fi
+               # Load template configuration parameters
+               . "./templates/${CONFIG_TEMPLATE}"
+             }

rpi23-gen-image.sh +5 0

              #!/bin/sh
              ########################################################################
              # rpi23-gen-image.sh					       2015-2016
              #
              # Advanced Debian "jessie" and "stretch"  bootstrap script for RPi2/3
              #
              # This program is free software; you can redistribute it and/or
              # modify it under the terms of the GNU General Public License
              # as published by the Free Software Foundation; either version 2
              # of the License, or (at your option) any later version.
              #
              # Copyright (C) 2015 Jan Wagner <mail@jwagner.eu>
              #
              # Big thanks for patches and enhancements by 10+ github contributors!
              ########################################################################
              # Are we running as root?
              if [ "$(id -u)" -ne "0" ] ; then
                echo "error: this script must be executed with root privileges!"
                exit 1
              fi
              # Check if ./functions.sh script exists
              if [ ! -r "./functions.sh" ] ; then
                echo "error: './functions.sh' required script not found!"
                exit 1
              fi
              # Load utility functions
              . ./functions.sh
+             # Load parameters from configuration template file
+             if [ ! -z "$CONFIG_TEMPLATE" ] ; then
+               use_template
+             fi
              # Introduce settings
              set -e
              echo -n -e "\n#\n# RPi2/3 Bootstrap Settings\n#\n"
              set -x
              # Raspberry Pi model configuration
              RPI_MODEL=${RPI_MODEL:=2}
              RPI2_DTB_FILE=${RPI2_DTB_FILE:=bcm2709-rpi-2-b.dtb}
              RPI2_UBOOT_CONFIG=${RPI2_UBOOT_CONFIG:=rpi_2_defconfig}
              RPI3_DTB_FILE=${RPI3_DTB_FILE:=bcm2710-rpi-3-b.dtb}
              RPI3_UBOOT_CONFIG=${RPI3_UBOOT_CONFIG:=rpi_3_32b_defconfig}
              # Debian release
              RELEASE=${RELEASE:=jessie}
              KERNEL_ARCH=${KERNEL_ARCH:=arm}
              RELEASE_ARCH=${RELEASE_ARCH:=armhf}
              CROSS_COMPILE=${CROSS_COMPILE:=arm-linux-gnueabihf-}
              COLLABORA_KERNEL=${COLLABORA_KERNEL:=3.18.0-trunk-rpi2}
              KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcm2709_defconfig}
              KERNEL_IMAGE=${KERNEL_IMAGE:=kernel7.img}
              QEMU_BINARY=${QEMU_BINARY:=/usr/bin/qemu-arm-static}
              # URLs
              KERNEL_URL=${KERNEL_URL:=https://github.com/raspberrypi/linux}
              FIRMWARE_URL=${FIRMWARE_URL:=https://github.com/raspberrypi/firmware/raw/master/boot}
              WLAN_FIRMWARE_URL=${WLAN_FIRMWARE_URL:=https://github.com/RPi-Distro/firmware-nonfree/raw/master/brcm80211/brcm}
              COLLABORA_URL=${COLLABORA_URL:=https://repositories.collabora.co.uk/debian}
              FBTURBO_URL=${FBTURBO_URL:=https://github.com/ssvb/xf86-video-fbturbo.git}
              UBOOT_URL=${UBOOT_URL:=git://git.denx.de/u-boot.git}
              # Build directories
              BASEDIR="$(pwd)/images/${RELEASE}"
              BUILDDIR="${BASEDIR}/build"
              # Chroot directories
              R="${BUILDDIR}/chroot"
              ETC_DIR="${R}/etc"
              LIB_DIR="${R}/lib"
              BOOT_DIR="${R}/boot/firmware"
              KERNEL_DIR="${R}/usr/src/linux"
              WLAN_FIRMWARE_DIR="${R}/lib/firmware/brcm"
              # Firmware directory: Blank if download from github
              RPI_FIRMWARE_DIR=${RPI_FIRMWARE_DIR:=""}
              # General settings
              HOSTNAME=${HOSTNAME:=rpi${RPI_MODEL}-${RELEASE}}
              PASSWORD=${PASSWORD:=raspberry}
              USER_PASSWORD=${USER_PASSWORD:=raspberry}
              DEFLOCAL=${DEFLOCAL:="en_US.UTF-8"}
              TIMEZONE=${TIMEZONE:="Europe/Berlin"}
              EXPANDROOT=${EXPANDROOT:=true}
              # Keyboard settings
              XKB_MODEL=${XKB_MODEL:=""}
              XKB_LAYOUT=${XKB_LAYOUT:=""}
              XKB_VARIANT=${XKB_VARIANT:=""}
              XKB_OPTIONS=${XKB_OPTIONS:=""}
              # Network settings (DHCP)
              ENABLE_DHCP=${ENABLE_DHCP:=true}
              # Network settings (static)
              NET_ADDRESS=${NET_ADDRESS:=""}
              NET_GATEWAY=${NET_GATEWAY:=""}
              NET_DNS_1=${NET_DNS_1:=""}
              NET_DNS_2=${NET_DNS_2:=""}
              NET_DNS_DOMAINS=${NET_DNS_DOMAINS:=""}
              NET_NTP_1=${NET_NTP_1:=""}
              NET_NTP_2=${NET_NTP_2:=""}
              # APT settings
              APT_PROXY=${APT_PROXY:=""}
              APT_SERVER=${APT_SERVER:="ftp.debian.org"}
              # Feature settings
              ENABLE_CONSOLE=${ENABLE_CONSOLE:=true}
              ENABLE_IPV6=${ENABLE_IPV6:=true}
              ENABLE_SSHD=${ENABLE_SSHD:=true}
              ENABLE_NONFREE=${ENABLE_NONFREE:=false}
              ENABLE_WIRELESS=${ENABLE_WIRELESS:=false}
              ENABLE_SOUND=${ENABLE_SOUND:=true}
              ENABLE_DBUS=${ENABLE_DBUS:=true}
              ENABLE_HWRANDOM=${ENABLE_HWRANDOM:=true}
              ENABLE_MINGPU=${ENABLE_MINGPU:=false}
              ENABLE_XORG=${ENABLE_XORG:=false}
              ENABLE_WM=${ENABLE_WM:=""}
              ENABLE_RSYSLOG=${ENABLE_RSYSLOG:=true}
              ENABLE_USER=${ENABLE_USER:=true}
              USER_NAME=${USER_NAME:="pi"}
              ENABLE_ROOT=${ENABLE_ROOT:=false}
              ENABLE_ROOT_SSH=${ENABLE_ROOT_SSH:=false}
              # Advanced settings
              ENABLE_MINBASE=${ENABLE_MINBASE:=false}
              ENABLE_REDUCE=${ENABLE_REDUCE:=false}
              ENABLE_UBOOT=${ENABLE_UBOOT:=false}
              ENABLE_FBTURBO=${ENABLE_FBTURBO:=false}
              ENABLE_HARDNET=${ENABLE_HARDNET:=false}
              ENABLE_IPTABLES=${ENABLE_IPTABLES:=false}
              ENABLE_SPLITFS=${ENABLE_SPLITFS:=false}
              ENABLE_INITRAMFS=${ENABLE_INITRAMFS:=false}
              ENABLE_IFNAMES=${ENABLE_IFNAMES:=true}
              # Kernel compilation settings
              BUILD_KERNEL=${BUILD_KERNEL:=false}
              KERNEL_REDUCE=${KERNEL_REDUCE:=false}
              KERNEL_THREADS=${KERNEL_THREADS:=1}
              KERNEL_HEADERS=${KERNEL_HEADERS:=true}
              KERNEL_MENUCONFIG=${KERNEL_MENUCONFIG:=false}
              KERNEL_REMOVESRC=${KERNEL_REMOVESRC:=true}
              # Kernel compilation from source directory settings
              KERNELSRC_DIR=${KERNELSRC_DIR:=""}
              KERNELSRC_CLEAN=${KERNELSRC_CLEAN:=false}
              KERNELSRC_CONFIG=${KERNELSRC_CONFIG:=true}
              KERNELSRC_PREBUILT=${KERNELSRC_PREBUILT:=false}
              # Reduce disk usage settings
              REDUCE_APT=${REDUCE_APT:=true}
              REDUCE_DOC=${REDUCE_DOC:=true}
              REDUCE_MAN=${REDUCE_MAN:=true}
              REDUCE_VIM=${REDUCE_VIM:=false}
              REDUCE_BASH=${REDUCE_BASH:=false}
              REDUCE_HWDB=${REDUCE_HWDB:=true}
              REDUCE_SSHD=${REDUCE_SSHD:=true}
              REDUCE_LOCALE=${REDUCE_LOCALE:=true}
              # Encrypted filesystem settings
              ENABLE_CRYPTFS=${ENABLE_CRYPTFS:=false}
              CRYPTFS_PASSWORD=${CRYPTFS_PASSWORD:=""}
              CRYPTFS_MAPPING=${CRYPTFS_MAPPING:="secure"}
              CRYPTFS_CIPHER=${CRYPTFS_CIPHER:="aes-xts-plain64:sha512"}
              CRYPTFS_XTSKEYSIZE=${CRYPTFS_XTSKEYSIZE:=512}
              # Stop the Crypto Wars
              DISABLE_FBI=${DISABLE_FBI:=false}
              # Chroot scripts directory
              CHROOT_SCRIPTS=${CHROOT_SCRIPTS:=""}
              # Packages required in the chroot build environment
              APT_INCLUDES=${APT_INCLUDES:=""}
              APT_INCLUDES="${APT_INCLUDES},apt-transport-https,apt-utils,ca-certificates,debian-archive-keyring,dialog,sudo,systemd,sysvinit-utils"
              # Packages required for bootstrapping
              REQUIRED_PACKAGES="debootstrap debian-archive-keyring qemu-user-static binfmt-support dosfstools rsync bmap-tools whois git bc psmisc"
              MISSING_PACKAGES=""
              set +x
              # Set Raspberry Pi model specific configuration
              if [ "$RPI_MODEL" = 2 ] ; then
                DTB_FILE=${RPI2_DTB_FILE}
                UBOOT_CONFIG=${RPI2_UBOOT_CONFIG}
              elif [ "$RPI_MODEL" = 3 ] ; then
                DTB_FILE=${RPI3_DTB_FILE}
                UBOOT_CONFIG=${RPI3_UBOOT_CONFIG}
                BUILD_KERNEL=true
              else
                echo "error: Raspberry Pi model ${RPI_MODEL} is not supported!"
                exit 1
              fi
              # Check if the internal wireless interface is supported by the RPi model
              if [ "$ENABLE_WIRELESS" = true ] && [ "$RPI_MODEL" != 3 ] ; then
                echo "error: The selected Raspberry Pi model has no internal wireless interface"
                exit 1
              fi
              # Set compiler packages and build RPi2/3 Linux kernel if required by Debian release
              if [ "$RELEASE" = "jessie" ] ; then
                COMPILER_PACKAGES="linux-compiler-gcc-4.8-arm g++ make bc"
              elif [ "$RELEASE" = "stretch" ] ; then
                COMPILER_PACKAGES="linux-compiler-gcc-5-arm g++ make bc"
                BUILD_KERNEL=true
              else
                echo "error: Debian release ${RELEASE} is not supported!"
                exit 1
              fi
              # Add packages required for kernel cross compilation
              if [ "$BUILD_KERNEL" = true ] ; then
                REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-armhf"
              fi
              # Add libncurses5 to enable kernel menuconfig
              if [ "$KERNEL_MENUCONFIG" = true ] ; then
                REQUIRED_PACKAGES="${REQUIRED_PACKAGES} libncurses5-dev"
              fi
              # Stop the Crypto Wars
              if [ "$DISABLE_FBI" = true ] ; then
                ENABLE_CRYPTFS=true
              fi
              # Add cryptsetup package to enable filesystem encryption
              if [ "$ENABLE_CRYPTFS" = true ]  && [ "$BUILD_KERNEL" = true ] ; then
                REQUIRED_PACKAGES="${REQUIRED_PACKAGES} cryptsetup"
                APT_INCLUDES="${APT_INCLUDES},cryptsetup"
                if [ -z "$CRYPTFS_PASSWORD" ] ; then
                  echo "error: no password defined (CRYPTFS_PASSWORD)!"
                  exit 1
                fi
                ENABLE_INITRAMFS=true
              fi
              # Add initramfs generation tools
              if [ "$ENABLE_INITRAMFS" = true ] && [ "$BUILD_KERNEL" = true ] ; then
                APT_INCLUDES="${APT_INCLUDES},initramfs-tools"
              fi
              # Add device-tree-compiler required for building the U-Boot bootloader
              if [ "$ENABLE_UBOOT" = true ] ; then
                APT_INCLUDES="${APT_INCLUDES},device-tree-compiler"
              fi
              # Check if all required packages are installed on the build system
              for package in $REQUIRED_PACKAGES ; do
                if [ "`dpkg-query -W -f='${Status}' $package`" != "install ok installed" ] ; then
                  MISSING_PACKAGES="${MISSING_PACKAGES} $package"
                fi
              done
              # If there are missing packages ask confirmation for install, or exit
              if [ -n "$MISSING_PACKAGES" ] ; then
                echo "the following packages needed by this script are not installed:"
                echo "$MISSING_PACKAGES"
                echo -n "\ndo you want to install the missing packages right now? [y/n] "
                read confirm
                [ "$confirm" != "y" ] && exit 1
                # Make sure all missing required packages are installed
                apt-get -qq -y install ${MISSING_PACKAGES}
              fi
              # Check if ./bootstrap.d directory exists
              if [ ! -d "./bootstrap.d/" ] ; then
                echo "error: './bootstrap.d' required directory not found!"
                exit 1
              fi
              # Check if ./files directory exists
              if [ ! -d "./files/" ] ; then
                echo "error: './files' required directory not found!"
                exit 1
              fi
              # Check if specified KERNELSRC_DIR directory exists
              if [ -n "$KERNELSRC_DIR" ] && [ ! -d "$KERNELSRC_DIR" ] ; then
                echo "error: '${KERNELSRC_DIR}' specified directory not found (KERNELSRC_DIR)!"
                exit 1
              fi
              # Check if specified CHROOT_SCRIPTS directory exists
              if [ -n "$CHROOT_SCRIPTS" ] && [ ! -d "$CHROOT_SCRIPTS" ] ; then
                 echo "error: ${CHROOT_SCRIPTS} specified directory not found (CHROOT_SCRIPTS)!"
                 exit 1
              fi
              # Check if specified device mapping already exists (will be used by cryptsetup)
              if [ -r "/dev/mapping/${CRYPTFS_MAPPING}" ] ; then
                echo "error: mapping /dev/mapping/${CRYPTFS_MAPPING} already exists, not proceeding"
                exit 1
              fi
              # Don't clobber an old build
              if [ -e "$BUILDDIR" ] ; then
                echo "error: directory ${BUILDDIR} already exists, not proceeding"
                exit 1
              fi
              # Setup chroot directory
              mkdir -p "${R}"
              # Check if build directory has enough of free disk space >512MB
              if [ "$(df --output=avail ${BUILDDIR} | sed "1d")" -le "524288" ] ; then
                echo "error: ${BUILDDIR} not enough space left to generate the output image!"
                exit 1
              fi
              set -x
              # Call "cleanup" function on various signals and errors
              trap cleanup 0 1 2 3 6
              # Add required packages for the minbase installation
              if [ "$ENABLE_MINBASE" = true ] ; then
                APT_INCLUDES="${APT_INCLUDES},vim-tiny,netbase,net-tools,ifupdown"
              fi
              # Add required locales packages
              if [ "$DEFLOCAL" != "en_US.UTF-8" ] ; then
                APT_INCLUDES="${APT_INCLUDES},locales,keyboard-configuration,console-setup"
              fi
              # Add parted package, required to get partprobe utility
              if [ "$EXPANDROOT" = true ] ; then
                APT_INCLUDES="${APT_INCLUDES},parted"
              fi
              # Add dbus package, recommended if using systemd
              if [ "$ENABLE_DBUS" = true ] ; then
                APT_INCLUDES="${APT_INCLUDES},dbus"
              fi
              # Add iptables IPv4/IPv6 package
              if [ "$ENABLE_IPTABLES" = true ] ; then
                APT_INCLUDES="${APT_INCLUDES},iptables"
              fi
              # Add openssh server package
              if [ "$ENABLE_SSHD" = true ] ; then
                APT_INCLUDES="${APT_INCLUDES},openssh-server"
              fi
              # Add alsa-utils package
              if [ "$ENABLE_SOUND" = true ] ; then
                APT_INCLUDES="${APT_INCLUDES},alsa-utils"
              fi
              # Add rng-tools package
              if [ "$ENABLE_HWRANDOM" = true ] ; then
                APT_INCLUDES="${APT_INCLUDES},rng-tools"
              fi
              # Add fbturbo video driver
              if [ "$ENABLE_FBTURBO" = true ] ; then
                # Enable xorg package dependencies
                ENABLE_XORG=true
              fi
              # Add user defined window manager package
              if [ -n "$ENABLE_WM" ] ; then
                APT_INCLUDES="${APT_INCLUDES},${ENABLE_WM}"
                # Enable xorg package dependencies
                ENABLE_XORG=true
              fi
              # Add xorg package
              if [ "$ENABLE_XORG" = true ] ; then
                APT_INCLUDES="${APT_INCLUDES},xorg"
              fi
              # Replace selected packages with smaller clones
              if [ "$ENABLE_REDUCE" = true ] ; then
                # Add levee package instead of vim-tiny
                if [ "$REDUCE_VIM" = true ] ; then
                  APT_INCLUDES="$(echo ${APT_INCLUDES} | sed "s/vim-tiny/levee/")"
                fi
                # Add dropbear package instead of openssh-server
                if [ "$REDUCE_SSHD" = true ] ; then
                  APT_INCLUDES="$(echo ${APT_INCLUDES} | sed "s/openssh-server/dropbear/")"
                fi
              fi
              # Configure kernel sources if no KERNELSRC_DIR
              if [ "$BUILD_KERNEL" = true ] && [ -z "$KERNELSRC_DIR" ] ; then
                KERNELSRC_CONFIG=true
              fi
              # Configure reduced kernel
              if [ "$KERNEL_REDUCE" = true ] ; then
                KERNELSRC_CONFIG=false
              fi
              # Execute bootstrap scripts
              for SCRIPT in bootstrap.d/*.sh; do
                head -n 3 "$SCRIPT"
                . "$SCRIPT"
              done
              ## Execute custom bootstrap scripts
              if [ -d "custom.d" ] ; then
                for SCRIPT in custom.d/*.sh; do
                  . "$SCRIPT"
                done
              fi
              # Execute custom scripts inside the chroot
              if [ -n "$CHROOT_SCRIPTS" ] && [ -d "$CHROOT_SCRIPTS" ] ; then
                cp -r "${CHROOT_SCRIPTS}" "${R}/chroot_scripts"
                chroot_exec /bin/bash -x <<'EOF'
              for SCRIPT in /chroot_scripts/* ; do
                if [ -f $SCRIPT -a -x $SCRIPT ] ; then
                  $SCRIPT
                fi
              done
              EOF
                rm -rf "${R}/chroot_scripts"
              fi
              # Remove apt-utils
              if [ "$RELEASE" = "jessie" ] ; then
                chroot_exec apt-get purge -qq -y --force-yes apt-utils
              fi
              # Generate required machine-id
              MACHINE_ID=$(dbus-uuidgen)
              echo -n "${MACHINE_ID}" > "${R}/var/lib/dbus/machine-id"
              echo -n "${MACHINE_ID}" > "${ETC_DIR}/machine-id"
              # APT Cleanup
              chroot_exec apt-get -y clean
              chroot_exec apt-get -y autoclean
              chroot_exec apt-get -y autoremove
              # Unmount mounted filesystems
              umount -l "${R}/proc"
              umount -l "${R}/sys"
              # Clean up directories
              rm -rf "${R}/run/*"
              rm -rf "${R}/tmp/*"
              # Clean up files
              rm -f "${ETC_DIR}/ssh/ssh_host_*"
              rm -f "${ETC_DIR}/dropbear/dropbear_*"
              rm -f "${ETC_DIR}/apt/sources.list.save"
              rm -f "${ETC_DIR}/resolvconf/resolv.conf.d/original"
              rm -f "${ETC_DIR}/*-"
              rm -f "${ETC_DIR}/apt/apt.conf.d/10proxy"
              rm -f "${ETC_DIR}/resolv.conf"
              rm -f "${R}/root/.bash_history"
              rm -f "${R}/var/lib/urandom/random-seed"
              rm -f "${R}/initrd.img"
              rm -f "${R}/vmlinuz"
              rm -f "${R}${QEMU_BINARY}"
              # Calculate size of the chroot directory in KB
              CHROOT_SIZE=$(expr `du -s "${R}" | awk '{ print $1 }'`)
              # Calculate the amount of needed 512 Byte sectors
              TABLE_SECTORS=$(expr 1 \* 1024 \* 1024 \/ 512)
              FRMW_SECTORS=$(expr 64 \* 1024 \* 1024 \/ 512)
              ROOT_OFFSET=$(expr ${TABLE_SECTORS} + ${FRMW_SECTORS})
              # The root partition is EXT4
              # This means more space than the actual used space of the chroot is used.
              # As overhead for journaling and reserved blocks 25% are added.
              ROOT_SECTORS=$(expr $(expr ${CHROOT_SIZE} + ${CHROOT_SIZE} \/ 100 \* 25) \* 1024 \/ 512)
              # Calculate required image size in 512 Byte sectors
              IMAGE_SECTORS=$(expr ${TABLE_SECTORS} + ${FRMW_SECTORS} + ${ROOT_SECTORS})
              # Prepare date string for image file name
              DATE="$(date +%Y-%m-%d)"
              # Prepare image file
              if [ "$ENABLE_SPLITFS" = true ] ; then
                dd if=/dev/zero of="$BASEDIR/${DATE}-debian-${RELEASE}-frmw.img" bs=512 count=${TABLE_SECTORS}
                dd if=/dev/zero of="$BASEDIR/${DATE}-debian-${RELEASE}-frmw.img" bs=512 count=0 seek=${FRMW_SECTORS}
                dd if=/dev/zero of="$BASEDIR/${DATE}-debian-${RELEASE}-root.img" bs=512 count=${TABLE_SECTORS}
                dd if=/dev/zero of="$BASEDIR/${DATE}-debian-${RELEASE}-root.img" bs=512 count=0 seek=${ROOT_SECTORS}
                # Write firmware/boot partition tables
                sfdisk -q -L -uS -f "$BASEDIR/${DATE}-debian-${RELEASE}-frmw.img" 2> /dev/null <<EOM
              ${TABLE_SECTORS},${FRMW_SECTORS},c,*
              EOM
                # Write root partition table
                sfdisk -q -L -uS -f "$BASEDIR/${DATE}-debian-${RELEASE}-root.img" 2> /dev/null <<EOM
              ${TABLE_SECTORS},${ROOT_SECTORS},83
              EOM
                # Setup temporary loop devices
                FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show $BASEDIR/${DATE}-debian-${RELEASE}-frmw.img)"
                ROOT_LOOP="$(losetup -o 1M -f --show $BASEDIR/${DATE}-debian-${RELEASE}-root.img)"
              else # ENABLE_SPLITFS=false
                dd if=/dev/zero of="$BASEDIR/${DATE}-debian-${RELEASE}.img" bs=512 count=${TABLE_SECTORS}
                dd if=/dev/zero of="$BASEDIR/${DATE}-debian-${RELEASE}.img" bs=512 count=0 seek=${IMAGE_SECTORS}
                # Write partition table
                sfdisk -q -L -uS -f "$BASEDIR/${DATE}-debian-${RELEASE}.img" 2> /dev/null <<EOM
              ${TABLE_SECTORS},${FRMW_SECTORS},c,*
              ${ROOT_OFFSET},${ROOT_SECTORS},83
              EOM
                # Setup temporary loop devices
                FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show $BASEDIR/${DATE}-debian-${RELEASE}.img)"
                ROOT_LOOP="$(losetup -o 65M -f --show $BASEDIR/${DATE}-debian-${RELEASE}.img)"
              fi
              if [ "$ENABLE_CRYPTFS" = true ] ; then
                # Create dummy ext4 fs
                mkfs.ext4 "$ROOT_LOOP"
                # Setup password keyfile
                echo -n ${CRYPTFS_PASSWORD} > .password
                chmod 600 .password
                # Initialize encrypted partition
                echo "YES" | cryptsetup luksFormat "${ROOT_LOOP}" -c "${CRYPTFS_CIPHER}" -s "${CRYPTFS_XTSKEYSIZE}" .password
                # Open encrypted partition and setup mapping
                cryptsetup luksOpen "${ROOT_LOOP}" -d .password "${CRYPTFS_MAPPING}"
                # Secure delete password keyfile
                shred -zu .password
                # Update temporary loop device
                ROOT_LOOP="/dev/mapper/${CRYPTFS_MAPPING}"
                # Wipe encrypted partition (encryption cipher is used for randomness)
                dd if=/dev/zero of="${ROOT_LOOP}" bs=512 count=$(blockdev --getsz "${ROOT_LOOP}")
              fi
              # Build filesystems
              mkfs.vfat "$FRMW_LOOP"
              mkfs.ext4 "$ROOT_LOOP"
              # Mount the temporary loop devices
              mkdir -p "$BUILDDIR/mount"
              mount "$ROOT_LOOP" "$BUILDDIR/mount"
              mkdir -p "$BUILDDIR/mount/boot/firmware"
              mount "$FRMW_LOOP" "$BUILDDIR/mount/boot/firmware"
              # Copy all files from the chroot to the loop device mount point directory
              rsync -a "${R}/" "$BUILDDIR/mount/"
              # Unmount all temporary loop devices and mount points
              cleanup
              # Create block map file(s) of image(s)
              if [ "$ENABLE_SPLITFS" = true ] ; then
                # Create block map files for "bmaptool"
                bmaptool create -o "$BASEDIR/${DATE}-debian-${RELEASE}-frmw.bmap" "$BASEDIR/${DATE}-debian-${RELEASE}-frmw.img"
                bmaptool create -o "$BASEDIR/${DATE}-debian-${RELEASE}-root.bmap" "$BASEDIR/${DATE}-debian-${RELEASE}-root.img"
                # Image was successfully created
                echo "$BASEDIR/${DATE}-debian-${RELEASE}-frmw.img ($(expr \( ${TABLE_SECTORS} + ${FRMW_SECTORS} \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
                echo "$BASEDIR/${DATE}-debian-${RELEASE}-root.img ($(expr \( ${TABLE_SECTORS} + ${ROOT_SECTORS} \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
              else
                # Create block map file for "bmaptool"
                bmaptool create -o "$BASEDIR/${DATE}-debian-${RELEASE}.bmap" "$BASEDIR/${DATE}-debian-${RELEASE}.img"
                # Image was successfully created
                echo "$BASEDIR/${DATE}-debian-${RELEASE}.img ($(expr \( ${TABLE_SECTORS} + ${FRMW_SECTORS} + ${ROOT_SECTORS} \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
              fi

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