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