#!/bin/bash

# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (C) 2009-2016 Stephan Raue (stephan@openelec.tv)
# Copyright (C) 2016-present Team LibreELEC (https://libreelec.tv)

unset _CACHE_PACKAGE_LOCAL _CACHE_PACKAGE_GLOBAL _DEBUG_DEPENDS_LIST _DEBUG_PACKAGE_LIST

. config/options ""
. config/multithread
. config/show_config

# Validate UBOOT_SYSTEM if it is specified
if [ "${BOOTLOADER}" = "u-boot" -a -n "${DEVICE}" ]; then
  if [ -z "${UBOOT_SYSTEM}" ]; then
    ${SCRIPTS}/uboot_helper ${PROJECT} ${DEVICE} >/dev/null
  else
    ${SCRIPTS}/uboot_helper ${PROJECT} ${DEVICE} ${UBOOT_SYSTEM} dtb >/dev/null
  fi
fi

${SCRIPTS}/checkdeps

# Setup both toolchain cmake configs to avoid potentially racy behaviour later.
# Use a fork for host to isolate any variable modifications.
( setup_toolchain host )
setup_toolchain target

show_config

function do_mkimage() {
  # Variables used in mkimage script must be passed
  env \
    ROOT="${ROOT}" \
    SCRIPTS="${SCRIPTS}" \
    TOOLCHAIN="${TOOLCHAIN}" \
    PROJECT_DIR="${PROJECT_DIR}" \
    PROJECT="${PROJECT}" \
    DEVICE="${DEVICE}" \
    DISTRO="${DISTRO}" \
    DISTRO_DIR="${DISTRO_DIR}" \
    TARGET_IMG="${TARGET_IMG}" \
    BUILD_NAME="${IMAGE_NAME}" \
    IMAGE_NAME="${1:-${IMAGE_NAME}}" \
    BOOTLOADER="${BOOTLOADER}" \
    KERNEL_NAME="${KERNEL_NAME}" \
    TARGET_KERNEL_ARCH="${TARGET_KERNEL_ARCH}" \
    RELEASE_DIR="${RELEASE_DIR}" \
    UUID_SYSTEM="${UUID_SYSTEM}" \
    UUID_STORAGE="${UUID_STORAGE}" \
    DISTRO_BOOTLABEL="${DISTRO_BOOTLABEL}" \
    DISTRO_DISKLABEL="${DISTRO_DISKLABEL}" \
    UBOOT_SYSTEM="${UBOOT_SYSTEM}" \
    EXTRA_CMDLINE="${EXTRA_CMDLINE}" \
    SYSTEM_SIZE="${SYSTEM_SIZE}" \
    SYSTEM_PART_START="${SYSTEM_PART_START}" \
    STORAGE_SIZE="${STORAGE_SIZE:-32}" \
    OVA_SIZE="${OVA_SIZE}" \
    SKIP_VIRTUAL_APPLIANCE="${SKIP_VIRTUAL_APPLIANCE}" \
    LAKKA_BUILD_TYPE="${LAKKA_BUILD_TYPE:-release}" \
    ${SCRIPTS}/mkimage
}

if [ -n "${CUSTOM_GIT_HASH}" ]; then
  GIT_HASH="${CUSTOM_GIT_HASH}"
else
  GIT_HASH=$(git rev-parse HEAD)
fi

if [ "${LIBREELEC_VERSION}" = "devel" ]; then
  GIT_ABBREV=${GIT_HASH:0:7}
  DEVEL_VERSION=${LIBREELEC_VERSION}
  case "${BUILD_PERIODIC}" in
    nightly) LIBREELEC_VERSION=nightly-$(date +%Y%m%d)-${GIT_ABBREV};;
    daily)   LIBREELEC_VERSION=daily-$(date +%Y%j)-${GIT_ABBREV};;
    weekly)  LIBREELEC_VERSION=weekly-$(date +%G%V)-${GIT_ABBREV};;
    monthly) LIBREELEC_VERSION=monthly-$(date +%Y%m)-${GIT_ABBREV};;
    *)       LIBREELEC_VERSION=devel-$(date +%Y%m%d%H%M%S)-${GIT_ABBREV};;
  esac
fi

# Get origin url, fix git:// and git@github.com: urls if necessary
ORIGIN_URL="$(git remote -v | awk '$1 == "origin" { print $2 }' | head -1 | sed -e 's#\.git$##' -e 's#^git:#https:#' -e 's#^git@github\.com:#https://github.com/#' -e 's#://.*@#://#')"

[ "${BUILDER_NAME,,}" = "official" ] && BUILDER_NAME=
if [ "${OFFICIAL}" = "yes" ]; then
  LIBREELEC_BUILD="official"
else
  if [ -n "${BUILDER_NAME}" ]; then
    LIBREELEC_BUILD="${BUILDER_NAME}"
  else
    LIBREELEC_BUILD="community"
  fi
fi

if [ -n "${CUSTOM_VERSION}" ]; then
  LIBREELEC_VERSION="${CUSTOM_VERSION}"
fi

LIBREELEC_ARCH="${DEVICE:-${PROJECT}}.${TARGET_ARCH}"
TARGET_VERSION="${LIBREELEC_ARCH}-${LIBREELEC_VERSION}"

if [ -n "${CUSTOM_IMAGE_NAME}" ]; then
  IMAGE_NAME="${CUSTOM_IMAGE_NAME}"
else
  if [ "${DEVEL_VERSION}" = "devel" ]; then
    IMAGE_NAME="${DISTRONAME}-${LIBREELEC_ARCH}-${OS_VERSION}-${LIBREELEC_VERSION}"
  else
    IMAGE_NAME="${DISTRONAME}-${TARGET_VERSION}"
  fi

  if [ -n "${UBOOT_SYSTEM}" ] && [ "${UBOOT_SYSTEM}" != "${DEVICE:-${PROJECT}}" ]; then
    IMAGE_NAME="${IMAGE_NAME}-${UBOOT_SYSTEM}"
  fi
fi

if [ -n "${IMAGE_SUFFIX}" ]; then
  IMAGE_NAME="${IMAGE_NAME}-${IMAGE_SUFFIX}"
fi

echo "${IMAGE_NAME}" > ${BUILD}/BUILD_FILENAME

# Setup fakeroot
rm -rf ${FAKEROOT_SCRIPT}   # remove ${FAKEROOT_SCRIPT} if it exist
touch ${FAKEROOT_SCRIPT}    # create an empty ${FAKEROOT_SCRIPT}
chmod +x ${FAKEROOT_SCRIPT} # make ${FAKEROOT_SCRIPT} executable
echo "chown -R 0:0 ${INSTALL}" >> ${FAKEROOT_SCRIPT}

# Clean old install dirs
rm -rf ${BUILD}/qa_checks/general
rm -rf ${INSTALL}
rm -rf ${STAMPS_INSTALL}
mkdir -p ${INSTALL}

# Create base layout of LibreELEC read-only file system
for directory in etc dev proc run sys tmp usr var flash storage; do
  mkdir -p ${INSTALL}/${directory}
done

# Build image contents
MTADDONBUILD=no start_multithread_build image || die "Parallel build failure - see log for details. Time of failure: $(date)"

echo
echo "Successful build, creating image..." >&2

# Create legacy sym links
ln -sfn /var/media ${INSTALL}/media
ln -sfn /usr/lib ${INSTALL}/lib
ln -sfn /usr/bin ${INSTALL}/bin
ln -sfn /usr/sbin ${INSTALL}/sbin

if [ "${TARGET_ARCH}" = "x86_64" ]; then
  ln -sfn /usr/lib ${INSTALL}/lib64
  ln -sfn /usr/lib ${INSTALL}/usr/lib64
fi

echo "${TARGET_VERSION}" > ${INSTALL}/etc/release

# Create /etc/os-release
cat <<EOF >${INSTALL}/etc/os-release
NAME="${DISTRONAME}"
VERSION="${LIBREELEC_VERSION}"
ID="${DISTRONAME,,}"
VERSION_ID="${OS_VERSION}"
PRETTY_NAME="${DISTRONAME} (${LIBREELEC_BUILD}): ${LIBREELEC_VERSION}"
HOME_URL="${DISTRO_WEBSITE}"
BUG_REPORT_URL="${ORIGIN_URL}"
BUILD_ID="${GIT_HASH}"
LIBREELEC_ARCH="${LIBREELEC_ARCH}"
LIBREELEC_BUILD="${LIBREELEC_BUILD}"
LIBREELEC_PROJECT="${PROJECT}"
EOF
[ -n "${DEVICE}" ] && echo "LIBREELEC_DEVICE=\"${DEVICE}\"" >> ${INSTALL}/etc/os-release
[ -n "${BUILDER_NAME}" ] && echo "BUILDER_NAME=\"${BUILDER_NAME}\"" >> ${INSTALL}/etc/os-release
[ -n "${BUILDER_VERSION}" ] && echo "BUILDER_VERSION=\"${BUILDER_VERSION}\"" >> ${INSTALL}/etc/os-release

# Create /etc/issue
cat <<EOF >${INSTALL}/etc/issue
${GREETING0}
${GREETING1}
${GREETING2}
${GREETING3}
${GREETING4}
${DISTRONAME} (${LIBREELEC_BUILD}): ${LIBREELEC_VERSION} (${LIBREELEC_ARCH})
EOF

ln -sf /etc/issue ${INSTALL}/etc/motd

# Copy PROJECT related files to filesystem
if [ -d "${PROJECT_DIR}/${PROJECT}/filesystem" ]; then
  cp -PR --remove-destination ${PROJECT_DIR}/${PROJECT}/filesystem/* ${INSTALL}
  # Install project specific systemd services
  for service in ${PROJECT_DIR}/${PROJECT}/filesystem/usr/lib/systemd/system/*.service; do
    if [ -f "${service}" ]; then
      # Modify service unit files for Lakka/RetroArch
      if [ "${DISTRO}" = "Lakka" ]; then
        sed -i ${INSTALL}/usr/lib/systemd/system/${service##*/} \
            -e "s|kodi\.service|retroarch.service|g" \
            -e "s|kodi\.target|retroarch.target|g"
      fi
      enable_service ${service##*/}
    fi
  done
fi

# Copy DEVICE related files to filesystem
if [ -n "${DEVICE}" -a -d "${PROJECT_DIR}/${PROJECT}/devices/${DEVICE}/filesystem" ]; then
  cp -PR --remove-destination ${PROJECT_DIR}/${PROJECT}/devices/${DEVICE}/filesystem/* ${INSTALL}
  # Install device specific systemd services
  for service in ${PROJECT_DIR}/${PROJECT}/devices/${DEVICE}/filesystem/usr/lib/systemd/system/*.service; do
    if [ -f "${service}" ]; then
      # Modify service unit files for Lakka/RetroArch
      if [ "${DISTRO}" = "Lakka" ]; then
        sed -i ${INSTALL}/usr/lib/systemd/system/${service##*/} \
            -e "s|kodi\.service|retroarch.service|g" \
            -e "s|kodi\.target|retroarch.target|g"
      fi
      enable_service ${service##*/}
    fi
  done
fi

# Replace placeholders with values in install script to eMMC
if [ -f ${INSTALL}/usr/bin/install2emmc ]; then
  sed -e "s%@SYSTEM_SIZE@%${SYSTEM_SIZE}%g" \
      -i ${INSTALL}/usr/bin/install2emmc
  sed -e "s%@DISTRONAME@%${DISTRONAME}%g" \
      -i ${INSTALL}/usr/bin/install2emmc
fi

# Run depmod for base overlay modules
MODVER=$(basename $(ls -d ${INSTALL}/usr/lib/kernel-overlays/base/lib/modules/*))
find ${INSTALL}/usr/lib/kernel-overlays/base/lib/modules/${MODVER}/ -name *.ko | \
  sed -e "s,${INSTALL}/usr/lib/kernel-overlays/base/lib/modules/${MODVER}/,," \
    > ${INSTALL}/usr/lib/kernel-overlays/base/lib/modules/${MODVER}/modules.order
${TOOLCHAIN}/bin/depmod -b ${INSTALL}/usr/lib/kernel-overlays/base -a -e -F "$(get_install_dir linux)/.image/System.map" ${MODVER} 2>&1

# Strip kernel modules
for MOD in $(find ${INSTALL}/usr/lib/kernel-overlays/ -type f -name *.ko); do
  ${TARGET_KERNEL_PREFIX}strip --strip-debug ${MOD}
done

if [ "${BOOTLOADER}" = "switch-bootloader" -o "${BOOTLOADER}" = "odin-bootloader" ]; then
  mv ${INSTALL}/usr/lib/kernel-overlays/base/lib/modules ${INSTALL}/usr/lib/
  if [ "${BOOTLOADER}" = "switch-bootloader" ]; then
    mv ${INSTALL}/usr/lib/kernel-overlays/base/lib/firmware/brcm/* ${INSTALL}/usr/lib/firmware/brcm/
    rm -r ${INSTALL}/usr/lib/kernel-overlays/base/lib/firmware/brcm
  fi
  if [ ! -d ${INSTALL}/usr/lib/firmware ]; then
    mkdir -p ${INSTALL}/usr/lib/firmware
  fi
  mv ${INSTALL}/usr/lib/kernel-overlays/base/lib/firmware/* ${INSTALL}/usr/lib/firmware/
  rm -r ${INSTALL}/usr/lib/kernel-overlays/base/lib/firmware
  if [ -d ${PROJECT_DIR}/${PROJECT}/devices/${DEVICE}/firmwares/files ]; then
    cp -PR ${PROJECT_DIR}/${PROJECT}/devices/${DEVICE}/firmwares/files/* ${INSTALL}/usr/lib/firmware/
  fi

  BOOTLOADER_DIR="$(get_pkg_directory "${BOOTLOADER}")"
  if find_file_path bootloader/tools/mkdtboimg.py ${BOOTLOADER_DIR}/tools/mkdtboimg.py; then
    echo Creating DTimg....
    ${FOUND_PATH} create "${INSTALL}"/usr/share/bootloader/boot/nx-plat.dtimg --page_size=1000 \
      "${INSTALL}"/usr/share/bootloader/boot/tegra210-odin.dtb --id=0x4F44494E \
      "${INSTALL}"/usr/share/bootloader/boot/tegra210b01-odin.dtb --id=0x4F44494E --rev=0x00000b01 \
      "${INSTALL}"/usr/share/bootloader/boot/tegra210b01-vali.dtb --id=0x56414C49 \
      "${INSTALL}"/usr/share/bootloader/boot/tegra210b01-fric.dtb --id=0x46524947
    rm "${INSTALL}"/usr/share/bootloader/boot/*.dtb
    echo Done!
  fi
else
  # Symlink overlayed modules to /usr/lib/modules
  ln -sT /run/kernel-overlays/modules ${INSTALL}/usr/lib/modules

  # Symlink overlayed firmware to /usr/lib/firmware
  ln -sT /run/kernel-overlays/firmware ${INSTALL}/usr/lib/firmware
fi

# Make target dir
mkdir -p ${TARGET_IMG}
rm -rf ${TARGET_IMG}/${IMAGE_NAME}.kernel

# Copy kernel to target dir
cp -PR $(get_install_dir linux)/.image/${KERNEL_TARGET} ${TARGET_IMG}/${IMAGE_NAME}.kernel

if [ "${BOOTLOADER}" = "switch-bootloader" ]; then
  echo Compress Kernel and create uimage....
  gzip ${TARGET_IMG}/${IMAGE_NAME}.kernel
  ${TOOLCHAIN}/bin/mkimage -A arm64 -O linux -T kernel -C gzip -a 0x80200000 -e 0x80200000 -n ${ID: -3}KRN-${SWITCHROOT_VERSION} -d ${TARGET_IMG}/${IMAGE_NAME}.kernel.gz \
    ${TARGET_IMG}/${IMAGE_NAME}.kernel
  rm ${TARGET_IMG}/${IMAGE_NAME}.kernel.gz
  echo Done!
fi
chmod 0644 ${TARGET_IMG}/${IMAGE_NAME}.kernel

# Set mksquashfs options for each compression method
if [ -z "${SQUASHFS_COMPRESSION_OPTION}" ]; then
  if [ "${SQUASHFS_COMPRESSION:-gzip}" = "gzip" ]; then
    SQUASHFS_COMPRESSION_OPTION="-Xcompression-level 9 -b 262144"
  elif [ "${SQUASHFS_COMPRESSION}" = "lzo" ]; then
    SQUASHFS_COMPRESSION_OPTION="-Xcompression-level 9 -b 524288"
  elif [ "${SQUASHFS_COMPRESSION}" = "zstd" ]; then
    SQUASHFS_COMPRESSION_OPTION="-Xcompression-level 19 -b 1048576"
  fi
fi

# Create squashfs file, default to gzip if no compression configured
echo "rm -rf \"${TARGET_IMG}/${IMAGE_NAME}.system\"" >> ${FAKEROOT_SCRIPT}
echo "${TOOLCHAIN}/bin/mksquashfs \"${BUILD}/image/system\" \"${TARGET_IMG}/${IMAGE_NAME}.system\" -noappend -comp ${SQUASHFS_COMPRESSION:-gzip} ${SQUASHFS_COMPRESSION_OPTION}" >> ${FAKEROOT_SCRIPT}

# Run fakeroot
${TOOLCHAIN}/bin/fakeroot -- ${FAKEROOT_SCRIPT}
rm -rf ${FAKEROOT_SCRIPT}

# Set permissions
chmod 0644 ${TARGET_IMG}/${IMAGE_NAME}.system

if [ "${1}" = "release" -o "${1}" = "mkimage" -o "${1}" = "noobs" ]; then

  RELEASE_DIR="target/${IMAGE_NAME}"

  # Cleanup
  rm -rf ${RELEASE_DIR}

  # Create release dir
  mkdir -p ${RELEASE_DIR}

  # Remove any previously created release images
  rm -rf ${TARGET_IMG}/${IMAGE_NAME}.img.gz

  # Disable IPv6 in Lakka, as samba is bound only to IPv6 address
  # connman notifies ready before IPv4 address is obtained
  [ "${DISTRO}" = "Lakka" ] && EXTRA_CMDLINE+=" ipv6.disable=1" || true

  if [ -n "${BOOTLOADER}" ]; then

    BOOTLOADER_DIR="$(get_pkg_directory "${BOOTLOADER}")"

    if [ -d ${BOOTLOADER_DIR}/files ]; then
      cp -R ${BOOTLOADER_DIR}/files/* ${RELEASE_DIR}
    fi

    if find_file_path bootloader/release ${BOOTLOADER_DIR}/release; then
      echo "Running ${FOUND_PATH}"
      . ${FOUND_PATH}
    fi
  fi

  cp ${ROOT}/README* ${RELEASE_DIR}
  cp ${ROOT}/CHANGELOG* ${RELEASE_DIR}
  echo "${TARGET_VERSION}" > ${RELEASE_DIR}/RELEASE

  if [ ! "${MEDIACENTER}" = "no" ]; then
    echo "Kodi commit: $(get_pkg_version ${MEDIACENTER})" >> ${RELEASE_DIR}/RELEASE
  fi

  mkdir -p ${RELEASE_DIR}/licenses
  cp ${ROOT}/licenses/* ${RELEASE_DIR}/licenses

  mkdir -p ${RELEASE_DIR}/target
  cp ${TARGET_IMG}/${IMAGE_NAME}.system ${RELEASE_DIR}/target/SYSTEM
  cp ${TARGET_IMG}/${IMAGE_NAME}.kernel ${RELEASE_DIR}/target/KERNEL

  # Create md5sum's
  ( cd ${RELEASE_DIR};
    md5sum -t target/SYSTEM > target/SYSTEM.md5;
    md5sum -t target/KERNEL > target/KERNEL.md5;
  )

  if [ "${BOOTLOADER}" = "switch-bootloader" -o "${BOOTLOADER}" = "odin-bootloader" ]; then
    if [ "${DISTRO}" = "Lakka" ]; then
      DISTRO_PATH="lakka"
    elif [ "${DISTRO}" = "LibreELEC" ]; then
      DISTRO_PATH="libreelec"
    fi

    mkdir -p ${RELEASE_DIR}/${DISTRO_PATH}
    cp ${ROOT}/README* ${RELEASE_DIR}/${DISTRO_PATH}
    cp ${ROOT}/CHANGELOG* ${RELEASE_DIR}/${DISTRO_PATH}
    echo "${TARGET_VERSION}" > ${RELEASE_DIR}/${DISTRO_PATH}/RELEASE
    mkdir -p $RELEASE_DIR/${DISTRO_PATH}/licenses
    cp ${ROOT}/licenses/* ${RELEASE_DIR}/${DISTRO_PATH}/licenses
    if [ "${BOOTLOADER}" = "odin-bootloader" ]; then
      cp -r ${RELEASE_DIR}/${DISTRO_PATH}/boot2/* ${RELEASE_DIR}/${DISTRO_PATH}/
    else
      mv ${RELEASE_DIR}/${DISTRO_PATH}/boot/nx-plat.dtimg ${RELEASE_DIR}/${DISTRO_PATH}/
    fi
    mkdir -p ${RELEASE_DIR}/${DISTRO_PATH}/storage
    cp ${TARGET_IMG}/${IMAGE_NAME}.system ${RELEASE_DIR}/${DISTRO_PATH}/SYSTEM
    cp ${TARGET_IMG}/${IMAGE_NAME}.kernel ${RELEASE_DIR}/${DISTRO_PATH}/KERNEL
    ( cd ${RELEASE_DIR};
      md5sum -t ${DISTRO_PATH}/SYSTEM > ${DISTRO_PATH}/SYSTEM.md5;
      md5sum -t ${DISTRO_PATH}/KERNEL > ${DISTRO_PATH}/KERNEL.md5;
    )

    rm -rf ${RELEASE_DIR}/target
    rm -rf ${RELEASE_DIR}/licenses
    rm -rf ${RELEASE_DIR}/RELEASE
    rm -rf ${RELEASE_DIR}/CHANGELOG
    rm -rf ${RELEASE_DIR}/README.md
    if [ "${BOOTLOADER}" = "odin-bootloader" ]; then
      if [ -d ${RELEASE_DIR}/${DISTRO_PATH}/boot ]; then
        rm -rf ${RELEASE_DIR}/${DISTRO_PATH}/boot
      fi
      rm -rf ${RELEASE_DIR}/${DISTRO_PATH}/boot2
      rm -rf ${RELEASE_DIR}/${DISTRO_PATH}/EFI
      mv ${RELEASE_DIR}/boot ${RELEASE_DIR}/boot2
      mv ${RELEASE_DIR}/boot2/* ${RELEASE_DIR}
      rm -rf ${RELEASE_DIR}/boot2
    fi
  fi

  # Create target directory
  mkdir -p ${TARGET_IMG}

  # Remove any previously created release tarballs
  rm -rf ${TARGET_IMG}/${IMAGE_NAME}.tar

  # Create release tarball
  tar cf ${TARGET_IMG}/${IMAGE_NAME}.tar -C target ${IMAGE_NAME}

  # Create sha256 checksum of tarball
  ( cd ${TARGET_IMG}
    sha256sum ${IMAGE_NAME}.tar > ${IMAGE_NAME}.tar.sha256
  )

  if  [ "${BOOTLOADER}" = "switch-bootloader" -o "${BOOTLOADER}" = "odin-bootloader" ]; then
    rm -rf ${RELEASE_DIR}
    exit 0
  fi

  # Create image files if requested
  if [[ ( "${1}" = "noobs" || "${1}" = "mkimage" ) && -n "${BOOTLOADER}" ]]; then
    UUID_SYSTEM="$(date '+%d%m')-$(date '+%M%S')"
    UUID_STORAGE="$(uuidgen)"

    DEVICE_BOARDS=
    if [ "${BOOTLOADER}" = "u-boot" -a -z "${UBOOT_SYSTEM}" -a -n "${DEVICE}" ]; then
      DEVICE_BOARDS=$(${SCRIPTS}/uboot_helper "${PROJECT}" "${DEVICE}")
    fi

    if [ -n "${DEVICE_BOARDS}" ]; then
      for UBOOT_SYSTEM in ${DEVICE_BOARDS}; do
        echo "Installing u-boot for board ${UBOOT_SYSTEM}..."

        # Re-install u-boot package
        rm ${STAMPS_INSTALL}/u-boot/install_target
        UBOOT_SYSTEM="${UBOOT_SYSTEM}" ${SCRIPTS}/install u-boot 2>&1

        # Re-run bootloader/release
        if find_file_path bootloader/release ${BOOTLOADER_DIR}/release; then
          echo "Running ${FOUND_PATH}"
          . ${FOUND_PATH}
        fi

        do_mkimage "${IMAGE_NAME}-${UBOOT_SYSTEM}"
      done
    else
      do_mkimage
    fi
  fi

  # Cleanup release dir
  rm -rf ${RELEASE_DIR}

  if [ "${1}" = "noobs" ]; then
    echo "Creating \"${1}\" release tarball..."

    RELEASE_DIR="${TARGET_IMG}/${IMAGE_NAME}-${1}"

    # eg. LibreELEC_RPi, LibreELEC_RPi2 etc.
    NOOBS_DISTRO="${DISTRONAME}_${DEVICE:-${PROJECT}}"

    # Create release dir
    mkdir -p ${RELEASE_DIR}/${NOOBS_DISTRO}

    if [ -f ${DISTRO_DIR}/${DISTRO}/${DISTRONAME}_40x40.png ]; then
      cp -PR ${DISTRO_DIR}/${DISTRO}/${DISTRONAME}_40x40.png ${RELEASE_DIR}/${NOOBS_DISTRO}/${NOOBS_DISTRO}.png
    else
      cp -PR ${DISTRO_DIR}/${DISTRO}/${DISTRONAME}.png ${RELEASE_DIR}/${NOOBS_DISTRO}/${NOOBS_DISTRO}.png
    fi
    cp -PR ${ROOT}/config/noobs/os.json ${RELEASE_DIR}/${NOOBS_DISTRO}
    cp -PR ${ROOT}/config/noobs/partition_setup.sh ${RELEASE_DIR}/${NOOBS_DISTRO}
    cp -PR ${ROOT}/config/noobs/partitions.json ${RELEASE_DIR}/${NOOBS_DISTRO}
    if [ -d ${DISTRO_DIR}/${DISTRO}/noobs/marketing ]; then
      tar cf ${RELEASE_DIR}/${NOOBS_DISTRO}/marketing.tar -C ${DISTRO_DIR}/${DISTRO}/noobs/marketing .
    else
      tar cf ${RELEASE_DIR}/${NOOBS_DISTRO}/marketing.tar -C ${ROOT}/config/noobs/marketing .
    fi
    cp ${ROOT}/README* ${RELEASE_DIR}/${NOOBS_DISTRO}
    cp ${ROOT}/CHANGELOG* ${RELEASE_DIR}/${NOOBS_DISTRO}/release_notes.txt

    if [ -n "${NOOBS_HEX}" ]; then
      sed -e "s%@NOOBS_HEX@%${NOOBS_HEX}%g" \
          -i ${RELEASE_DIR}/${NOOBS_DISTRO}/os.json
    else
      sed -e "/@NOOBS_HEX@/d" \
          -i ${RELEASE_DIR}/${NOOBS_DISTRO}/os.json
    fi

    sed -e "s%@DISTRONAME@%${DISTRONAME}%g" \
        -e "s%@PROJECT@%${DEVICE:-${PROJECT}}%g" \
        -e "s%@LIBREELEC_VERSION@%${LIBREELEC_VERSION}%g" \
        -e "s%@RELEASE_DATE@%$(date +%F)%g" \
        -e "s%@KERNEL_VERSION@%$(kernel_version)%g" \
        -e "s%@DESCRIPTION@%${DESCRIPTION}%g" \
        -e "s%@ROOT_PASSWORD@%${ROOT_PASSWORD}%g" \
        -e "s%@NOOBS_SUPPORTED_MODELS@%${NOOBS_SUPPORTED_MODELS}%g" \
        -i ${RELEASE_DIR}/${NOOBS_DISTRO}/os.json

    sed -e "s%@DISTRONAME@%${DISTRONAME}%g" \
        -i ${RELEASE_DIR}/${NOOBS_DISTRO}/partition_setup.sh

    sed -e "s%@DISTRONAME@%${DISTRONAME}%g" \
        -e "s%@PROJECT@%${DEVICE:-${PROJECT}}%g" \
        -e "s%@SYSTEM_SIZE@%${SYSTEM_SIZE}%g" \
        -i ${RELEASE_DIR}/${NOOBS_DISTRO}/partitions.json

    sed -e "s%@EXTRA_CMDLINE@%${EXTRA_CMDLINE}%g" \
        -i ${RELEASE_DIR}/${NOOBS_DISTRO}/partition_setup.sh

    # Create System dir
    mkdir -p ${RELEASE_DIR}/${NOOBS_DISTRO}/System

    # Copy Bootloader
    cp -PR ${INSTALL}/usr/share/bootloader/config.txt ${RELEASE_DIR}/${NOOBS_DISTRO}/System/
    for distro in "${INSTALL}/usr/share/bootloader/distroconfig"*.txt ; do
      if [ -f "${distro}" ]; then
        cp -PR "${distro}" ${RELEASE_DIR}/${NOOBS_DISTRO}/System/
      fi
    done
    cp -PR ${INSTALL}/usr/share/bootloader/LICENCE* ${RELEASE_DIR}/${NOOBS_DISTRO}/System/
    for f in bootcode.bin fixup.dat start.elf ; do
      if [ -f "${INSTALL}/usr/share/bootloader/$f" ]; then
        cp -PR "${INSTALL}/usr/share/bootloader/$f" "${RELEASE_DIR}/${NOOBS_DISTRO}/System/"
      fi
    done

    # Copy system files
    cp ${TARGET_IMG}/${IMAGE_NAME}.system ${RELEASE_DIR}/${NOOBS_DISTRO}/System/SYSTEM
    cp ${TARGET_IMG}/${IMAGE_NAME}.kernel ${RELEASE_DIR}/${NOOBS_DISTRO}/System/kernel.img

    for dtb in ${INSTALL}/usr/share/bootloader/*.dtb; do
      if [ -f ${dtb} ]; then
        cp -PR ${dtb} ${RELEASE_DIR}/${NOOBS_DISTRO}/System
      fi
    done

    for overlay in ${INSTALL}/usr/share/bootloader/overlays/*; do
      if [ -f ${overlay} ]; then
        mkdir -p ${RELEASE_DIR}/${NOOBS_DISTRO}/System/overlays
        cp -PR ${overlay} ${RELEASE_DIR}/${NOOBS_DISTRO}/System/overlays
      fi
    done

    # Create md5sum's
    ( cd ${RELEASE_DIR}/${NOOBS_DISTRO}/System;
      md5sum -t SYSTEM > SYSTEM.md5;
      md5sum -t kernel.img > kernel.img.md5;
    )

    # Copy additional files
    mkdir -p ${RELEASE_DIR}/${NOOBS_DISTRO}/System/licenses
    cp ${ROOT}/licenses/* ${RELEASE_DIR}/${NOOBS_DISTRO}/System/licenses

    # Create Storage dir
    mkdir -p ${RELEASE_DIR}/${NOOBS_DISTRO}/Storage

    # Remove any previously created release tarball
    rm -rf ${RELEASE_DIR}/${NOOBS_DISTRO}/System.tar.xz
    rm -rf ${RELEASE_DIR}/${NOOBS_DISTRO}/Storage.tar.xz

    # Create filesystem tarballs
    ${TOOLCHAIN}/bin/fakeroot tar cJf ${RELEASE_DIR}/${NOOBS_DISTRO}/System.tar.xz -C ${RELEASE_DIR}/${NOOBS_DISTRO}/System/ .
    ${TOOLCHAIN}/bin/fakeroot tar cJf ${RELEASE_DIR}/${NOOBS_DISTRO}/Storage.tar.xz -C ${RELEASE_DIR}/${NOOBS_DISTRO}/Storage/ .

    # Remove filesystem dirs
    rm -rf ${RELEASE_DIR}/${NOOBS_DISTRO}/System
    rm -rf ${RELEASE_DIR}/${NOOBS_DISTRO}/Storage

    # Remove any previously created release tarball
    rm -rf ${TARGET_IMG}/${IMAGE_NAME}-${1}.tar

    # Create release tarball
    tar cf ${TARGET_IMG}/${IMAGE_NAME}-${1}.tar -C ${TARGET_IMG} ${IMAGE_NAME}-${1}

    # Create sha256 checksum of tarball
    ( cd ${TARGET_IMG}
      sha256sum ${IMAGE_NAME}-${1}.tar > ${IMAGE_NAME}-${1}.tar.sha256
    )
  fi

  if [ -d ${RELEASE_DIR} ]; then
    # Cleanup release dir
    rm -rf ${RELEASE_DIR}
  fi
fi

if [ -n "$(ls -1 ${BUILD}/qa_checks/ 2>/dev/null)" ]; then
  log_qa_check "qa_issues" "QA issues present, please fix!\n$(find ${BUILD}/qa_checks/* -type f ! -name qa_issues)\n"
fi

