lubs

   1 #!/usr/bin/env bash
   2 # SPDX-License-Identifier: GPL-3.0
   3 #
   4 # mk-linux419
   5 # Twitter: @fascoder_4
   6 # Email  : m.k419sabuaka@gmail.com
   7 #
   8 # Yamada Hayao
   9 # Twitter: @Hayao0819
  10 # Email  : hayao@fascode.net
  11 #
  12 # (c) 2019-2020 Fascode Network.
  13 #
  14 # lubs
  15 #
  16
  17 set -e
  18 # set -u
  19
  20 export LANG=C
  21
  22 script_path=$(readlink -f "${0%/*}")
  23
  24 cache_dir="${script_path}/cache"
  25 channels_dir="${script_path}/channels"
  26 nfb_dir="${script_path}/nfb"
  27
  28 codename="focal"
  29 mirror="http://linux.yz.yamagata-u.ac.jp/ubuntu/"
  30 os_name="Ubuntu"
  31 iso_name="ubuntu"
  32
  33 arch=amd64
  34 work_dir="${script_path}/work"
  35 out_dir="${script_path}/out"
  36 iso_label="${os_name}_${codename}_${arch}"
  37 iso_publisher='Fascode Network <https://fascode.net>'
  38 iso_application="${os_name} Live/Rescue CD"
  39 iso_version="${codename}-$(date +%Y.%m.%d)"
  40 iso_filename="${iso_name}-${iso_version}-${arch}.iso"
  41
  42 channel_name="serene"
  43
  44 username="liveuser"
  45 usershell="/bin/bash"
  46
  47 debug=false
  48 cache_only=false
  49
  50
  51 start_time="$(date +%s)"
  52
  53 _msg_common() {
  54     if [[ "${debug}" = true ]]; then
  55         local _current_time
  56         local _time
  57         _current_time="$(date +%s)"
  58         _time="$(("${_current_time}"-"${start_time}"))"
  59
  60         if [[ "${_time}" -ge 3600 ]]; then
  61             echo "[$(date -d @${_time} +%H:%M.%S)]$("${script_path}/echo_color" -t 6 "[LUBS Core]")"
  62         elif [[ "${_time}" -ge 60 ]]; then
  63             echo "[00:$(date -d @${_time} +%M.%S)]$("${script_path}/echo_color" -t 6 "[LUBS Core]")"
  64         else
  65             echo "[00:00.$(date -d @${_time} +%S)] $("${script_path}/echo_color" -t 6 "[LUBS Core]")"
  66         fi
  67     else
  68         "${script_path}/echo_color" -t 6 "[LUBS Core]"
  69     fi
  70 }
  71
  72 # Show an INFO message
  73 # _msg_info <message>
  74 _msg_info() {
  75     local _msg
  76     _msg="${@}"
  77     echo "$(_msg_common)  $("${script_path}/echo_color" -t 2 "Info:") ${_msg}"
  78 }
  79
  80 # Show an debug message
  81 # _msg_debug <message>
  82 _msg_debug() {
  83     if [[ "${debug}" = true ]]; then
  84         local _msg
  85         _msg="${@}"
  86         echo "$(_msg_common)  $("${script_path}/echo_color" -t 3 "Debug:") ${_msg}"
  87     fi
  88 }
  89
  90 # Show an ERROR message then exit with status
  91 # _msg_error <message> <exit code>
  92 _msg_error() {
  93     local _msg
  94     local _error
  95     _msg="${1}"
  96     _error=${2}
  97     echo "$(_msg_common)  $("${script_path}/echo_color" -t 1 "Error:") ${_msg}"
  98
  99     if [[ ! ${_error} = 0 ]]; then
 100         exit ${_error}
 101     fi
 102 }
 103
 104 # Unmount chroot dir
 105 umount_chroot () {
 106     local mount
 107
 108     for mount in $(mount | awk '{print $3}' | grep "$(realpath "${work_dir}")" | sort -r); do
 109         _msg_info "Unmounting ${mount}"
 110         umount -fl "${mount}"
 111     done
 112 }
 113
 114 # Helper function to run make_*() only one time.
 115 run_once() {
 116     local name
 117     umount_chroot
 118     name="$1"
 119
 120     if [[ ! -e "${work_dir}/build.${name}" ]]; then
 121         _msg_info "$(echo $name | sed "s@_@ @g") is starting."
 122         "${1}"
 123         _msg_info "$(echo $name | sed "s@_@ @g") was done!"
 124         touch "${work_dir}/build.${name}"
 125     fi
 126 }
 127
 128 run_cmd() {
 129     local mount
 130
 131     for mount in "dev" "dev/pts" "proc" "sys" "run/systemd/resolve/stub-resolv.conf"; do
 132         if [[ "${mount}" == "run/systemd/resolve/stub-resolv.conf" ]]; then
 133             mount --bind /etc/resolv.conf "${work_dir}/airootfs/${mount}"
 134         else
 135             mount --bind /${mount} "${work_dir}/airootfs/${mount}"
 136         fi
 137     done
 138
 139     chroot "${work_dir}/airootfs" "${@}"
 140
 141     for mount in $(mount | awk '{print $3}' | grep "$(realpath "${work_dir}")" | sort -r); do
 142         umount -fl "${mount}"
 143     done
 144 }
 145
 146 _apt_install() {
 147     run_cmd apt-get --no-install-recommends --yes install ${@}
 148 }
 149
 150 # rm helper
 151 # Delete the file if it exists.
 152 # For directories, rm -rf is used.
 153 # If the file does not exist, skip it.
 154 # remove <file> <file> ...
 155 remove() {
 156     local _list
 157     local _file
 158     _list=($(echo "$@"))
 159
 160     for _file in "${_list[@]}"; do
 161         _msg_debug "Removeing ${_file}"
 162
 163         if [[ -f ${_file} ]]; then
 164             rm -f "${_file}"
 165         elif [[ -d ${_file} ]]; then
 166             rm -rf "${_file}"
 167         fi
 168     done
 169 }
 170
 171 # Show help
 172 _usage () {
 173     echo "usage ${0} [options] [channel]"
 174     echo
 175     echo " General options:"
 176     echo
 177     echo "    -a | --arch <str>      Set architecture"
 178     echo "                           Default: ${arch}"
 179     echo "    -c | --codename <str>  Set ubuntu codename"
 180     echo "                           Default: ${codename}"
 181     echo "    -m | --mirror <url>    Set apt mirror server."
 182     echo "                           Default: ${mirror}"
 183     echo "    -o | --out <out_dir>   Set the output directory"
 184     echo "                           Default: ${out_dir}"
 185     echo "    -w | --work <work_dir> Set the working directory"
 186     echo "                           Default: ${work_dir}"
 187     echo
 188     echo "    -d | --debug           "
 189     echo "    -h | --help            This help message and exit"
 190     echo
 191     echo "You can switch between installed packages, files included in images, etc. by channel."
 192     echo
 193     echo " Channel:"
 194
 195     local _channel
 196     local channel_list
 197     local description
 198
 199     for _channel in $(ls -l "${channels_dir}" | awk '$1 ~ /d/ {print $9 }'); do
 200         if [[ -n $(ls "${channels_dir}/${_channel}") ]] && [[ ! "${_channel}" = "share" ]]; then
 201             channel_list+=( "${_channel}" )
 202         fi
 203     done
 204
 205     for _channel in ${channel_list[@]}; do
 206         if [[ -f "${channels_dir}/${_channel}/description.txt" ]]; then
 207             description=$(cat "${channels_dir}/${_channel}/description.txt")
 208         else
 209             description="This channel does not have a description.txt."
 210         fi
 211
 212         echo -ne "    ${_channel}"
 213
 214         for i in $( seq 1 $(( 23 - ${#_channel} )) ); do
 215             echo -ne " "
 216         done
 217
 218         echo -ne "${description}\n"
 219     done
 220 }
 221
 222
 223 prepare_build() {
 224     if [[ ${EUID} -ne 0 ]]; then
 225         _msg_error "This script must be run as root." 1
 226     fi
 227
 228     [[ ! -d "${work_dir}" ]] && mkdir -p "${work_dir}"
 229     [[ ! -d "${out_dir}" ]] && mkdir -p "${out_dir}"
 230     umount_chroot
 231
 232     # Check codename
 233     if [[ -z $(grep -h -v ^'#' ${channels_dir}/${channel_name}/codename.${arch} | grep -x ${codename}) ]]; then
 234         _msg_error "This codename (${channel_name}) is not supported on this channel (${codename})."
 235     fi
 236
 237 }
 238
 239
 240 make_basefs() {
 241     local debootstrap_status
 242     statusfile="${cache_dir}/${codename}/status"
 243
 244     debootstrap_status() {
 245         if [[ ! -d "$(dirname ${statusfile})" ]]; then
 246             mkdir -p "$(dirname ${statusfile})"
 247         fi
 248         echo "${1}" > "${statusfile}"
 249     }
 250
 251     if [[ -f "${statusfile}" ]] && [[ $(cat "${statusfile}" 2> /dev/null) = "Done" ]]; then
 252         _msg_info "${codename} cache is found."
 253     else
 254         remove "${cache_dir}/${codename}"
 255         debootstrap_status "Running"
 256         _msg_info "Installing Ubuntu to '${cache_dir}/${codename}/airootfs'..."
 257         mkdir -p "${cache_dir}/${codename}/airootfs"
 258         debootstrap --arch="${arch}" --verbose --merged-usr "${codename}" "${cache_dir}/${codename}/airootfs" "${mirror}"
 259         _msg_info "${codename} installed successfully!"
 260         debootstrap_status "Done"
 261     fi
 262
 263     if [[ "${cache_only}" = true ]]; then
 264         exit 0
 265     fi
 266
 267     rm -rf "${work_dir}/airootfs" && mkdir -p "${work_dir}/airootfs"
 268     _msg_info "copy base files from '${cache_dir}/${codename}/airootfs' to '${work_dir}/airootfs'..."
 269     rsync  -au "${cache_dir}/${codename}/airootfs/" "${work_dir}/airootfs"
 270     echo 'PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:${PATH}' >> "${work_dir}/airootfs/etc/bash.bashrc"
 271     run_cmd apt-get update
 272     # run_cmd apt-get upgrade
 273 }
 274
 275 make_sourcelist() {
 276     cp ${script_path}/source.list.d/${codename}/* ${work_dir}/airootfs/etc/apt
 277     sed -i "s@http://archive.ubuntu.com/ubuntu/@${mirror}@g"  ${work_dir}/airootfs/etc/apt/sources.list
 278     run_cmd apt-get update
 279
 280     if [[ -n $(find ${channels_dir}/*/repo -type f) ]]; then
 281         _apt_install gnupg
 282
 283         for repo in $(find ${channels_dir}/*/repo -name '*.list'); do
 284             key="$(dirname ${repo})/$(basename ${repo} | sed "s/list/key/")"
 285
 286             if [[ -f "${key}" ]]; then
 287                 if file ${key} | grep -q "PGP/GPG key"; then
 288                     cp "${key}" "${work_dir}/airootfs/$(basename ${key})"
 289                 else
 290                     wget -q -O "${work_dir}/airootfs/$(basename ${key})" "$(cat ${key})"
 291                 fi
 292
 293                 run_cmd apt-key add "$(basename ${key})"
 294                 rm "${work_dir}/airootfs/$(basename ${key})"
 295                 cp "${repo}" "${work_dir}/airootfs/etc/apt/sources.list.d"
 296             fi
 297         done
 298         run_cmd apt-get update
 299     fi
 300
 301     # PPA
 302     local PPA_FILELIST
 303     local _PPA_FILE
 304     local _ppa
 305     PPA_FILELIST=("${channels_dir}/share/ppa_list.${arch}" "${channels_dir}/${channel_name}/ppa_list.${arch}")
 306     _apt_install software-properties-common
 307
 308     for _PPA_FILE in ${PPA_FILELIST[@]}; do
 309         if [[ -f "${_PPA_FILE}" ]]; then
 310             for _ppa in $(grep -h -v ^'#' ${_PPA_FILE}); do
 311                 run_cmd add-apt-repository --yes "${_ppa}"
 312             done
 313         fi
 314     done
 315 }
 316
 317 make_systemd() {
 318     _apt_install systemd-sysv
 319     run_cmd dbus-uuidgen --ensure=/etc/machine-id
 320     run_cmd ln -sf /etc/machine-id /var/lib/dbus/machine-id
 321 }
 322
 323 make_apt_packages() {
 324     remove "${work_dir}/airootfs/aptpkglist"
 325     _apt_install initramfs-tools
 326     run_cmd env -i bash -c 'DEBIAN_FRONTEND=noninteractive apt-get dist-upgrade --yes'
 327
 328     if [[ -f "${channels_dir}/share/packages.${arch}" ]]; then
 329         grep -h -v ^'#' "${channels_dir}/share/packages.${arch}" | grep -v "^$" >> "${work_dir}/airootfs/aptpkglist"
 330     fi
 331
 332     if [[ -f "${channels_dir}/${channel_name}/packages.${arch}" ]]; then
 333         grep -h -v ^'#' "${channels_dir}/${channel_name}/packages.${arch}" | grep -v "^$" >> "${work_dir}/airootfs/aptpkglist"
 334     fi
 335
 336     if [[ -s "${work_dir}/airootfs/aptpkglist" ]]; then
 337         run_cmd env -i bash -c 'DEBIAN_FRONTEND=noninteractive apt-get --no-install-recommends --yes install $(echo $(<aptpkglist))'
 338     fi
 339
 340     remove "${work_dir}/airootfs/aptpkglist"
 341 }
 342
 343 make_snap_packages() {
 344     remove "${work_dir}/airootfs/snappkglist"
 345
 346     if [[ -f "${channels_dir}/share/snap-packages.${arch}" ]]; then
 347         grep -h -v ^'#' "${channels_dir}/share/snap-packages.${arch}" | grep -v "^$" >> "${work_dir}/airootfs/snappkglist"
 348     fi
 349
 350     if [[ -f "${channels_dir}/${channel_name}/snap-packages.${arch}" ]]; then
 351         grep -h -v ^'#' "${channels_dir}/${channel_name}/snap-packages.${arch}" | grep -v "^$" >> "${work_dir}/airootfs/snappkglist"
 352     fi
 353
 354     if [[ -s "${work_dir}/airootfs/snappkglist" ]]; then
 355         _apt_install snapd
 356         run_cmd env -i bash -c 'snap install $(echo $(<snappkglist))'
 357     fi
 358
 359     remove "${work_dir}/airootfs/snappkglist"
 360 }
 361
 362 make_config() {
 363     # Locales
 364     run_cmd env -i bash -c 'DEBIAN_FRONTEND=noninteractive LANG=en_US.UTF-8 LC_ALL=C LANGUAGE=en_US.UTF-8 dpkg-reconfigure locales'
 365
 366     # resolvconf
 367     run_cmd env -i bash -c 'DEBIAN_FRONTEND=noninteractive dpkg-reconfigure resolvconf'
 368
 369     # NetworkManager
 370     cp ${channels_dir}/share/airootfs/etc/NetworkManager/NetworkManager.conf ${work_dir}/airootfs/etc/NetworkManager/NetworkManager.conf
 371
 372     # Timezone
 373     #run_cmd echo -ne "UTC" > '/etc/timezone'
 374     #run_cmd dpkg-reconfigure -f noninteractive tzdata
 375
 376     run_cmd env -i bash -c 'DEBIAN_FRONTEND=noninteractive dpkg-reconfigure network-manager'
 377     run_cmd truncate -s 0 /etc/machine-id
 378 }
 379
 380 make_add_user() {
 381     sed "s|%USERNAME%|${username}|g;s|%OS_NAME%|${os_name}|g" "${nfb_dir}/casper.conf" > "${work_dir}/airootfs/etc/casper.conf"
 382     chmod 755 "${work_dir}"/airootfs/usr/share/initramfs-tools/scripts/casper-bottom/*adduser "${work_dir}"/airootfs/usr/share/initramfs-tools/scripts/casper-bottom/*autologin
 383     run_cmd env -i bash -c 'mkinitramfs -o /boot/initrd.img-`uname -r` `uname -r`'
 384 }
 385
 386 make_clean() {
 387     sed -i "s@${mirror}@http://archive.ubuntu.com/ubuntu/@g"  ${work_dir}/airootfs/etc/apt/sources.list
 388     run_cmd apt-get update
 389     run_cmd apt-get clean
 390     run_cmd apt-get --yes autoremove
 391     run_cmd rm -rf "/tmp/* ~/.bash_history"
 392 }
 393
 394 make_squashfs() {
 395     # prepare
 396     [[ -d "${bootfiles_dir}" ]] && rm -r "${bootfiles_dir}"
 397     mkdir -p "${bootfiles_dir}"/{casper,isolinux,install}
 398
 399     # make squashfs
 400     mksquashfs "${work_dir}/airootfs" "${bootfiles_dir}/casper/filesystem.squashfs"
 401 }
 402
 403 make_nfb() {
 404     # prepare
 405     touch "${bootfiles_dir}/ubuntu"
 406     sed "s|%OS_NAME%|${os_name}|g" "${nfb_dir}/README.diskdefines" > "${bootfiles_dir}/README.diskdefines"
 407
 408     # casper setup
 409     cp "${work_dir}/airootfs/boot/vmlinuz" "${bootfiles_dir}/casper/vmlinuz"
 410     cp "${work_dir}/airootfs/boot/initrd.img" "${bootfiles_dir}/casper/initrd"
 411     run_cmd dpkg-query -W --showformat='${Package} ${Version}\n' > ${bootfiles_dir}/casper/filesystem.manifest
 412     cp -v "${bootfiles_dir}/casper/filesystem.manifest" "${bootfiles_dir}/casper/filesystem.manifest-desktop"
 413     sed -i '/casper/d;/discover/d;/laptop-detect/d;/os-prober/d;/ubiquity/d' "${bootfiles_dir}/casper/filesystem.manifest-desktop"
 414     printf $(du -sx --block-size=1 "${work_dir}/airootfs" | cut -f1) > "${bootfiles_dir}/casper/filesystem.size"
 415
 416     # isolinux setup
 417     cp "${work_dir}"/airootfs/usr/lib/syslinux/modules/bios/*.c32 "${bootfiles_dir}/isolinux/"
 418     cp "${work_dir}/airootfs/usr/lib/ISOLINUX/isolinux.bin" "${bootfiles_dir}/isolinux/"
 419     cp "${work_dir}/airootfs/usr/lib/ISOLINUX/isohdpfx.bin" "${bootfiles_dir}/isolinux/"
 420     sed "s|%OS_NAME%|${os_name}|g" "${nfb_dir}/grub.cfg" > "${bootfiles_dir}/isolinux/grub.cfg"
 421     sed "s|%OS_NAME%|${os_name}|g" "${nfb_dir}/isolinux.cfg" > "${bootfiles_dir}/isolinux/isolinux.cfg"
 422
 423     # memtest86+ setup
 424     _apt_install memtest86+
 425     cp "${work_dir}/airootfs/boot/memtest86+.bin" "${bootfiles_dir}/install/memtest86+"
 426
 427     # memtest86 setup
 428     if [[ ! -f "${cache_dir}/memtest86-usb.zip" ]]; then
 429         wget -O "${cache_dir}/memtest86-usb.zip" "https://www.memtest86.com/downloads/memtest86-usb.zip"
 430         bash -c "(unzip -p ${cache_dir}/memtest86-usb.zip memtest86-usb.img > ${cache_dir}/memtest86)"
 431     fi
 432
 433     cp "${cache_dir}/memtest86" "${bootfiles_dir}/install/memtest86"
 434 }
 435
 436 make_efi() {
 437     # UEFI 32bit (ia32)
 438     grub-mkstandalone \
 439         --format=i386-efi \
 440         --output="${bootfiles_dir}/isolinux/bootia32.efi" \
 441         --locales="" \
 442         --fonts="" \
 443         "boot/grub/grub.cfg=${bootfiles_dir}/isolinux/grub.cfg"
 444
 445     # UEFI 64bit (x64)
 446     grub-mkstandalone \
 447         --format=x86_64-efi \
 448         --output="${bootfiles_dir}/isolinux/bootx64.efi" \
 449         --locales="" \
 450         --fonts="" \
 451         "boot/grub/grub.cfg=${bootfiles_dir}/isolinux/grub.cfg"
 452
 453     # create efiboot.img
 454     truncate -s 10M "${bootfiles_dir}/isolinux/efiboot.img"
 455     mkfs.fat -F 16 -f 1 -r 112 "${bootfiles_dir}/isolinux/efiboot.img"
 456     mkdir "${bootfiles_dir}/mnt"
 457     mount "${bootfiles_dir}/isolinux/efiboot.img" "${bootfiles_dir}/mnt"
 458     mkdir -p "${bootfiles_dir}/mnt/efi/boot"
 459     cp "${bootfiles_dir}/isolinux/bootia32.efi" "${bootfiles_dir}/mnt/efi/boot"
 460     cp "${bootfiles_dir}/isolinux/bootx64.efi" "${bootfiles_dir}/mnt/efi/boot"
 461     umount -d "${bootfiles_dir}/mnt"
 462     rm -r "${bootfiles_dir}/mnt"
 463 }
 464
 465 make_iso() {
 466     cd "${bootfiles_dir}"
 467
 468     # create checksum (using at booting)
 469     bash -c "(find . -type f -print0 | xargs -0 md5sum | grep -v "\./md5sum.txt" > md5sum.txt)"
 470
 471     # create iso
 472     xorriso \
 473         -as mkisofs \
 474         -iso-level 3 \
 475         -full-iso9660-filenames \
 476         -volid "${iso_label}" \
 477         -appid "${iso_application}" \
 478         -publisher "${iso_publisher}" \
 479         -preparer "prepared by LUBS" \
 480         -eltorito-boot isolinux/isolinux.bin \
 481             -no-emul-boot \
 482             -boot-load-size 4 \
 483             -boot-info-table \
 484         -eltorito-alt-boot \
 485             -eltorito-platform efi \
 486             -eltorito-boot EFI/efiboot.img \
 487             -no-emul-boot \
 488         -isohybrid-mbr "${bootfiles_dir}/isolinux/isohdpfx.bin" \
 489         -isohybrid-gpt-basdat \
 490         -eltorito-catalog isolinux/boot.cat \
 491         -output "${out_dir}/${iso_filename}" \
 492         -graft-points \
 493             "." \
 494             "/isolinux/isolinux.bin=isolinux/isolinux.bin" \
 495             "/EFI/efiboot.img=isolinux/efiboot.img"
 496
 497     cd - > /dev/null
 498 }
 499
 500 make_checksum() {
 501     cd "${out_dir}"
 502     _msg_info "Creating md5 checksum ..."
 503     md5sum "${iso_filename}" > "${iso_filename}.md5"
 504
 505     _msg_info "Creating sha256 checksum ..."
 506     sha256sum "${iso_filename}" > "${iso_filename}.sha256"
 507     cd - > /dev/null 2>&1
 508 }
 509
 510
 511 # 引数解析（）
 512 # 参考記事：https://0e0.pw/ci83 https://0e0.pw/VJlg
 513
 514 _opt_short="w:o:ha:-:m:c:d"
 515 _opt_long="help,arch:,codename:,debug,help,mirror:,out:,work,cache-only"
 516 OPT=$(getopt -o ${_opt_short} -l ${_opt_long} -- "${@}")
 517
 518 if [[ ${?} != 0 ]]; then
 519     exit 1
 520 fi
 521
 522 eval set -- "${OPT}"
 523
 524 while :; do
 525     case ${1} in
 526         -a | --arch)
 527             if [[ -z ${2} ]]; then
 528                 _msg_error "Please specify the architecture."
 529                 exit 1
 530             else
 531                 arch="${2}"
 532             fi
 533             shift 2
 534             ;;
 535         -c | --codename)
 536             if [[ -z ${2} ]]; then
 537                 _msg_error "Please specify the codename."
 538                 exit 1
 539             else
 540                 codename="${2}"
 541             fi
 542             shift 2
 543             ;;
 544         -d | --debug)
 545             debug=true
 546             shift 1
 547             ;;
 548         -h | --help)
 549             _usage
 550             exit 0
 551             ;;
 552         -m | --mirror)
 553             if [[ -z ${2} ]]; then
 554                 _msg_error "Please specify the mirror server."
 555                 exit 1
 556             else
 557                 mirror="${2}"
 558             fi
 559
 560             shift 2
 561             ;;
 562         -o | --out)
 563             if [[ -z ${2} ]]; then
 564                 _msg_error "Please specify the out dir."
 565                 exit 1
 566             else
 567                 out_dir="${2}"
 568             fi
 569
 570             shift 2
 571             ;;
 572         -w | --work)
 573             if [[ -z ${2} ]]; then
 574                 _msg_error "Please specify the out dir."
 575                 exit 1
 576             else
 577                 work_dir="${2}"
 578             fi
 579
 580             shift 2
 581             ;;
 582         --cache-only)
 583             cache_only=true
 584             shift 1
 585             ;;
 586         --)
 587             shift
 588             break
 589             ;;
 590         *)
 591             _msg_error "Invalid argument '${1}'"
 592             _usage 1
 593             ;;
 594     esac
 595 done
 596
 597 bootfiles_dir="${work_dir}/bootfiles"
 598 trap  umount_chroot 0 2 15
 599
 600 if [[ -n "${1}" ]]; then
 601     channel_name="${1}"
 602
 603     check_channel() {
 604         local channel_list
 605         local i
 606         channel_list=()
 607
 608         for _channel in $(ls -l "${channels_dir}" | awk '$1 ~ /d/ {print $9 }'); do
 609             if [[ -n $(ls "${channels_dir}/${_channel}") ]] && [[ ! "${_channel}" = "share" ]]; then
 610                 channel_list+=( "${_channel}" )
 611             fi
 612         done
 613
 614         for i in ${channel_list[@]}; do
 615             if [[ "${i}" = "${channel_name}" ]]; then
 616                 echo -n "true"
 617                 return 0
 618             fi
 619         done
 620
 621         echo -n "false"
 622         return 1
 623     }
 624
 625     if [[ $(check_channel ${channel_name}) = false ]]; then
 626         _msg_error "Invalid channel ${channel_name}"
 627         exit 1
 628     fi
 629 fi
 630
 631
 632 prepare_build
 633 run_once make_basefs
 634 run_once make_sourcelist
 635 run_once make_systemd
 636 run_once make_apt_packages
 637 #run_once make_snap_packages
 638 run_once make_config
 639 run_once make_add_user
 640 run_once make_clean
 641 run_once make_squashfs
 642 run_once make_nfb
 643 run_once make_efi
 644 run_once make_iso
 645 run_once make_checksum