lubs

   1 #!/usr/bin/env bash
   2
   3 set -e
   4 # set -u
   5
   6 export LANG=C
   7
   8 script_path=$(readlink -f ${0%/*})
   9
  10 cache_dir="${script_path}/cache"
  11 channels_dir="${script_path}/channels"
  12 isolinux_dir="${script_path}/isolinux"
  13
  14 codename="focal"
  15 mirror="http://ftp.jaist.ac.jp/pub/Linux/ubuntu/"
  16 os_name="Ubuntu"
  17 iso_name="ubuntu"
  18
  19 arch=amd64
  20 work_dir="${script_path}/work"
  21 out_dir="${script_path}/out"
  22 iso_label="${os_name}_${codename}_${arch}"
  23 iso_publisher='Fascode Network <https://fascode.net>'
  24 iso_application="${os_name} Live/Rescue CD"
  25 iso_version="${codename}-$(date +%Y.%m.%d)"
  26 iso_filename="${iso_name}-${iso_version}-${arch}.iso"
  27
  28 channel_name="serene"
  29
  30 username="liveuser"
  31 password="liveuser"
  32 usershell="/bin/bash"
  33
  34 debug=false
  35 cache_only=false
  36
  37
  38 start_time="$(date +%s)"
  39
  40 _msg_common() {
  41     if [[ "${debug}" = true ]]; then
  42         local _current_time="$(date +%s)"
  43         local _time
  44
  45         _time="$(("${_current_time}"-"${start_time}"))"
  46
  47         if [[ "${_time}" -ge 3600 ]]; then
  48             echo "[$(date -d @${_time} +%H:%M.%S)]$("${script_path}/echo_color" -t 6 "[LUBS Core]")"
  49         elif [[ "${_time}" -ge 60 ]]; then
  50             echo "[00:$(date -d @${_time} +%M.%S)]$("${script_path}/echo_color" -t 6 "[LUBS Core]")"
  51         else
  52             echo "[00:00.$(date -d @${_time} +%S)] $("${script_path}/echo_color" -t 6 "[LUBS Core]")"
  53         fi
  54     else
  55         "${script_path}/echo_color" -t 6 "[LUBS Core]"
  56     fi
  57 }
  58
  59 # Show an INFO message
  60 # _msg_info <message>
  61 _msg_info() {
  62     local _msg="${@}"
  63     echo "$(_msg_common)  $("${script_path}/echo_color" -t 2 "Info:") ${_msg}"
  64 }
  65
  66 # Show an debug message
  67 # _msg_debug <message>
  68 _msg_debug() {
  69     if [[ "${debug}" = true ]]; then
  70         local _msg="${@}"
  71         echo "$(_msg_common)  $("${script_path}/echo_color" -t 3 "Debug:") ${_msg}"
  72     fi
  73 }
  74
  75 # Show an ERROR message then exit with status
  76 # _msg_error <message> <exit code>
  77 _msg_error() {
  78     local _msg="${1}"
  79     local _error=${2}
  80     echo "$(_msg_common)  $("${script_path}/echo_color" -t 1 "Error:") ${_msg}"
  81     if [[ ! ${_error} = 0 ]]; then
  82         exit ${_error}
  83     fi
  84 }
  85
  86 # Unmount chroot dir
  87 umount_chroot () {
  88     local mount
  89     for mount in $(mount | awk '{print $3}' | grep $(realpath ${work_dir}) | sort -r); do
  90         _msg_info "Unmounting ${mount}"
  91         umount -fl "${mount}"
  92     done
  93 }
  94
  95 # Helper function to run make_*() only one time.
  96 run_once() {
  97     local name
  98     umount_chroot
  99
 100     if [[ "run_bootfiles" == "$1" ]]; then
 101         name="$2"
 102     else
 103         name="$1"
 104     fi
 105
 106     if [[ ! -e "${work_dir}/build.${name}" ]]; then
 107         _msg_info "$(echo $name | sed "s@_@ @g") is starting."
 108
 109         if [[ "run_bootfiles" == "$1" ]]; then
 110             "$1" "$2"
 111         else
 112             "$1"
 113         fi
 114
 115         _msg_info "$(echo $name | sed "s@_@ @g") was done!"
 116         touch "${work_dir}/build.${name}"
 117     fi
 118 }
 119
 120 run_cmd() {
 121     local mount
 122     for mount in "dev" "dev/pts" "proc" "sys" "run/systemd/resolve/stub-resolv.conf"; do
 123         [[ "${mount}" == "run/systemd/resolve/stub-resolv.conf" ]] && mount --bind /etc/resolv.conf "${work_dir}/airootfs/${mount}" || mount --bind /${mount} "${work_dir}/airootfs/${mount}"
 124     done
 125     chroot "${work_dir}/airootfs" "${@}"
 126     for mount in $(mount | awk '{print $3}' | grep $(realpath ${work_dir}) | sort -r); do
 127         umount -fl "${mount}"
 128     done
 129 }
 130
 131 run_bootfiles() {
 132     cd "${bootfiles_dir}"
 133     "$1"
 134     cd - > /dev/null
 135 }
 136
 137 _apt_install() {
 138     run_cmd apt-get --no-install-recommends --yes install ${@}
 139 }
 140
 141 # rm helper
 142 # Delete the file if it exists.
 143 # For directories, rm -rf is used.
 144 # If the file does not exist, skip it.
 145 # remove <file> <file> ...
 146 remove() {
 147     local _list
 148     local _file
 149     _list=($(echo "$@"))
 150     for _file in "${_list[@]}"; do
 151         _msg_debug "Removeing ${_file}"
 152         if [[ -f ${_file} ]]; then
 153             rm -f "${_file}"
 154         elif [[ -d ${_file} ]]; then
 155             rm -rf "${_file}"
 156         fi
 157     done
 158 }
 159
 160 # Show help
 161 _usage () {
 162     echo "usage ${0} [options] [channel]"
 163     echo
 164     echo " General options:"
 165     echo
 166     echo "    -a | --arch <str>      Set architecture"
 167     echo "                           Default: ${arch}"
 168     echo "    -c | --codename <str>  Set ubuntu codename"
 169     echo "                           Default: ${codename}"
 170     echo "    -m | --mirror <url>    Set apt mirror server."
 171     echo "                           Default: ${mirror}"
 172     echo "    -o | --out <out_dir>   Set the output directory"
 173     echo "                           Default: ${out_dir}"
 174     echo "    -w | --work <work_dir> Set the working directory"
 175     echo "                           Default: ${work_dir}"
 176     echo
 177     echo "    -d | --debug           "
 178     echo "    -h | --help            This help message and exit"
 179     echo
 180     echo "You can switch between installed packages, files included in images, etc. by channel."
 181     echo
 182     echo " Channel:"
 183     local _channel
 184     local channel_list
 185     local description
 186     for _channel in $(ls -l "${channels_dir}" | awk '$1 ~ /d/ {print $9 }'); do
 187         if [[ -n $(ls "${channels_dir}/${_channel}") ]] && [[ ! "${_channel}" = "share" ]]; then
 188             channel_list="${channel_list[@]} ${_channel}"
 189         fi
 190     done
 191     for _channel in ${channel_list[@]}; do
 192         if [[ -f "${channels_dir}/${_channel}/description.txt" ]]; then
 193             description=$(cat "${channels_dir}/${_channel}/description.txt")
 194         else
 195             description="This channel does not have a description.txt."
 196         fi
 197         echo -ne "    ${_channel}"
 198         for i in $( seq 1 $(( 23 - ${#_channel} )) ); do
 199             echo -ne " "
 200         done
 201         echo -ne "${description}\n"
 202     done
 203 }
 204
 205
 206 prepare_build() {
 207     if [[ ${EUID} -ne 0 ]]; then
 208         _msg_error "This script must be run as root." 1
 209     fi
 210
 211     [[ ! -d "${work_dir}" ]] && mkdir -p "${work_dir}"
 212     [[ ! -d "${out_dir}" ]] && mkdir -p "${out_dir}"
 213
 214     umount_chroot
 215
 216     # Check codename
 217     if [[ -z $(grep -h -v ^'#' ${channels_dir}/${channel_name}/codename.${arch} | grep -x ${codename}) ]]; then
 218         _msg_error "This codename (${channel_name}) is not supported on this channel (${codename})."
 219     fi
 220
 221 }
 222
 223
 224 make_basefs() {
 225     local debootstrap_status
 226     statusfile="${cache_dir}/${codename}/status"
 227
 228     debootstrap_status() {
 229         if [[ ! -d "$(dirname ${statusfile})" ]]; then
 230             mkdir -p "$(dirname ${statusfile})"
 231         fi
 232         echo "${1}" > "${statusfile}"
 233     }
 234
 235     if [[ -f "${statusfile}" ]] && [[ $(cat "${statusfile}" 2> /dev/null) = "Done" ]]; then
 236         _msg_info "${codename} cache is found."
 237     else
 238         remove "${cache_dir}/${codename}"
 239         debootstrap_status "Running"
 240         _msg_info "Installing Ubuntu to '${cache_dir}/${codename}/airootfs'..."
 241         mkdir -p "${cache_dir}/${codename}/airootfs"
 242         debootstrap --arch=${arch} --include=linux-image-generic  --verbose --merged-usr "${codename}" "${cache_dir}/${codename}/airootfs" ${mirror}
 243         _msg_info "${codename} installed successfully!"
 244         debootstrap_status "Done"
 245     fi
 246     if [[ "${cache_only}" = true ]]; then
 247         exit 0
 248     fi
 249
 250     rm -rf "${work_dir}/airootfs" && mkdir -p "${work_dir}/airootfs"
 251     _msg_info "copy base files from '${cache_dir}/${codename}/airootfs' to '${work_dir}/airootfs'..."
 252     rsync  -au "${cache_dir}/${codename}/airootfs/" "${work_dir}/airootfs"
 253     echo 'PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:${PATH}' >> "${work_dir}/airootfs/etc/bash.bashrc"
 254     run_cmd apt-get update
 255     # run_cmd apt-get upgrade
 256 }
 257
 258 make_sourcelist() {
 259     cp ${script_path}/source.list.d/${codename}/* ${work_dir}/airootfs/etc/apt
 260     run_cmd apt-get update
 261
 262     if [[ -n $(find ${channels_dir}/*/repo -type f) ]]; then
 263         _apt_install gnupg
 264
 265         for repo in $(find ${channels_dir}/*/repo -name *.list); do
 266             key="$(dirname ${repo})/$(basename ${repo} | sed "s/list/key/")"
 267
 268             if [[ -f "${key}" ]]; then
 269                 if $(file ${key} | grep -q "PGP/GPG key"); then
 270                     cp ${key} ${work_dir}/airootfs/$(basename ${key})
 271                 else
 272                     wget -q -O ${work_dir}/airootfs/$(basename ${key}) $(cat ${key})
 273                 fi
 274
 275                 run_cmd apt-key add $(basename ${key})
 276                 rm ${work_dir}/airootfs/$(basename ${key})
 277                 cp ${repo} ${work_dir}/airootfs/etc/apt/sources.list.d
 278             fi
 279         done
 280
 281         run_cmd apt-get update
 282     fi
 283
 284     # PPA
 285     local PPA_FILELIST
 286     local _PPA_FILE
 287     local _ppa
 288
 289     PPA_FILELIST=("${channels_dir}/share/ppa_list.${arch}" "${channels_dir}/${channel_name}/ppa_list.${arch}")
 290     _apt_install software-properties-common
 291     for _PPA_FILE in ${PPA_FILELIST[@]}; do
 292         if [[ -f "${_PPA_FILE}" ]]; then
 293             for _ppa in $(grep -h -v ^'#' ${_PPA_FILE}); do
 294                 run_cmd add-apt-repository --yes "${_ppa}"
 295             done
 296         fi
 297     done
 298 }
 299
 300 make_systemd() {
 301     _apt_install systemd-sysv
 302     run_cmd dbus-uuidgen > /etc/machine-id
 303     run_cmd ln -fs /etc/machine-id /var/lib/dbus/machine-id
 304 }
 305
 306 make_apt_packages() {
 307     remove "${work_dir}/airootfs/aptpkglist"
 308
 309     if [[ -f "${channels_dir}/share/packages.${arch}" ]]; then
 310         grep -h -v ^'#' "${channels_dir}/share/packages.${arch}" | grep -v "^$" >> "${work_dir}/airootfs/aptpkglist"
 311     fi
 312     if [[ -f "${channels_dir}/${channel_name}/packages.${arch}" ]]; then
 313         grep -h -v ^'#' "${channels_dir}/${channel_name}/packages.${arch}" | grep -v "^$" >> "${work_dir}/airootfs/aptpkglist"
 314     fi
 315     if [[ -n "$(echo $(<"${work_dir}/airootfs/aptpkglist"))" ]]; then
 316         run_cmd env -i bash -c 'DEBIAN_FRONTEND=noninteractive apt-get --no-install-recommends --yes install $(echo $(<aptpkglist))'
 317     fi
 318     remove "${work_dir}/airootfs/aptpkglist"
 319 }
 320
 321 make_snap_packages() {
 322     remove "${work_dir}/airootfs/snappkglist"
 323
 324     if [[ -f "${channels_dir}/share/snap-packages.${arch}" ]]; then
 325         grep -h -v ^'#' "${channels_dir}/share/snap-packages.${arch}" | grep -v "^$" >> "${work_dir}/airootfs/snappkglist"
 326     fi
 327     if [[ -f "${channels_dir}/${channel_name}/snap-packages.${arch}" ]]; then
 328         grep -h -v ^'#' "${channels_dir}/${channel_name}/snap-packages.${arch}" | grep -v "^$" >> "${work_dir}/airootfs/snappkglist"
 329     fi
 330     if [[ -n "$(echo $(<"${work_dir}/airootfs/snappkglist"))" ]]; then
 331         _apt_install snapd
 332         run_cmd env -i bash -c 'snap install $(echo $(<snappkglist))'
 333     fi
 334     remove "${work_dir}/airootfs/snappkglist"
 335 }
 336
 337 make_config() {
 338     # Locales
 339     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'
 340
 341     # resolvconf
 342     run_cmd env -i bash -c 'DEBIAN_FRONTEND=noninteractive dpkg-reconfigure resolvconf'
 343
 344     # NetworkManager
 345     cp ${channels_dir}/share/airootfs/etc/NetworkManager/NetworkManager.conf ${work_dir}/airootfs/etc/NetworkManager/NetworkManager.conf
 346
 347     # Timezone
 348     #run_cmd echo -ne "UTC" > '/etc/timezone'
 349     #run_cmd dpkg-reconfigure -f noninteractive tzdata
 350
 351     run_cmd env -i bash -c 'DEBIAN_FRONTEND=noninteractive dpkg-reconfigure network-manager'
 352     run_cmd truncate -s 0 /etc/machine-id
 353 }
 354
 355 make_customize_airootfs() {
 356     #-- Overwrite airootfs files --#
 357     local copy_airootfs
 358     copy_airootfs() {
 359         local _dir="${1%/}"
 360         if [[ -d "${_dir}" ]]; then
 361             cp -af "${_dir}"/* "${work_dir}/airootfs"
 362         fi
 363     }
 364     copy_airootfs "${channels_dir}/share/airootfs"
 365     copy_airootfs "${channels_dir}/${channel_name}/airootfs"
 366
 367
 368     #-- Run scripts --#
 369     local _customize_siript_options="-a ${arch} -u '${username}' -p '${password}' -s '${usershell}'"
 370     if ${bash_debug}; then
 371         _customize_siript_options="$_customize_siript_options -x"
 372     elif ${debug}; then
 373         _customize_siript_options="$_customize_siript_options -d"
 374     fi
 375
 376     # run_customize_script <script path from lubs> <script path in chroot>
 377     local run_customize_script
 378     run_customize_script() {
 379         if [[ -f "${1}" ]]; then
 380             chmod 755 "${1}"
 381             run_cmd "${2} ${_customize_siript_options}"
 382         fi
 383     }
 384     run_customize_script "${work_dir}/airootfs/root/customize_airootfs.sh" "/root/customize_airootfs.sh"
 385     run_customize_script "${work_dir}/airootfs/root/customize_airootfs_${channel_name}.sh"  "/root/customize_airootfs_${channel_name}.sh"
 386 }
 387
 388 make_clean() {
 389     run_cmd apt-get clean
 390     run_cmd apt-get --yes autoremove
 391     run_cmd rm -rf "/tmp/* ~/.bash_history"
 392 }
 393
 394 make_bootfiles() {
 395     run_cmd env -i bash -c 'update-initramfs -c -k all'
 396     _apt_install memtest86+
 397     [[ -d "${bootfiles_dir}" ]] && rm -r "${bootfiles_dir}"
 398     mkdir -p ${bootfiles_dir}/{casper,isolinux,install}
 399     cp "${work_dir}/airootfs/boot/vmlinuz" "${bootfiles_dir}/casper/vmlinuz"
 400     cp "${work_dir}/airootfs/boot/initrd.img" "${bootfiles_dir}/casper/initrd"
 401     cp "${work_dir}/airootfs/boot/memtest86+.bin" "${bootfiles_dir}/install/memtest86+"
 402
 403     if [[ ! -f "${cache_dir}/memtest86-usb.zip" ]]; then
 404         wget -O ${cache_dir}/memtest86-usb.zip https://www.memtest86.com/downloads/memtest86-usb.zip
 405     fi
 406
 407     (unzip -p ${cache_dir}/memtest86-usb.zip memtest86-usb.img > ${bootfiles_dir}/install/memtest86)
 408 }
 409
 410 make_grubcfg() {
 411     touch "${bootfiles_dir}/ubuntu"
 412     cp ${isolinux_dir}/grub.cfg ${bootfiles_dir}/isolinux/grub.cfg
 413 }
 414
 415 make_manifest() {
 416     run_cmd dpkg-query -W --showformat='${Package} ${Version}\n' | tee ${bootfiles_dir}/casper/filesystem.manifest
 417     cp -v ${bootfiles_dir}/casper/filesystem.manifest "${bootfiles_dir}/casper/filesystem.manifest-desktop"
 418     sed -i '/ubiquity/d' "${bootfiles_dir}/casper/filesystem.manifest-desktop"
 419     sed -i '/casper/d' "${bootfiles_dir}/casper/filesystem.manifest-desktop"
 420     sed -i '/discover/d' "${bootfiles_dir}/casper/filesystem.manifest-desktop"
 421     sed -i '/laptop-detect/d' "${bootfiles_dir}/casper/filesystem.manifest-desktop"
 422     sed -i '/os-prober/d' "${bootfiles_dir}/casper/filesystem.manifest-desktop"
 423 }
 424
 425 make_squashfs() {
 426     mksquashfs "${work_dir}/airootfs" "${bootfiles_dir}/casper/filesystem.squashfs"
 427     printf $(du -sx --block-size=1 "${work_dir}/airootfs" | cut -f1) > ${bootfiles_dir}/casper/filesystem.size
 428 }
 429
 430 make_deifnes() {
 431     cp ${isolinux_dir}/README.diskdefines ${bootfiles_dir}/README.diskdefines
 432 }
 433
 434 make_isolinux() {
 435     if [[ "${arch}" = "amd64" ]]; then
 436         local _arch="x86_64"
 437     else
 438         local _arch="${arch}"
 439     fi
 440     grub-mkstandalone \
 441         --format=${_arch}-efi \
 442         --output=isolinux/bootx64.efi \
 443         --locales="" \
 444         --fonts="" \
 445         "boot/grub/grub.cfg=isolinux/grub.cfg"
 446     (
 447         cd isolinux && \
 448         dd if=/dev/zero of=efiboot.img bs=1M count=10 && \
 449         sudo mkfs.vfat efiboot.img && \
 450         LC_CTYPE=C mmd -i efiboot.img efi efi/boot && \
 451         LC_CTYPE=C mcopy -i efiboot.img ./bootx64.efi ::efi/boot/
 452     )
 453     grub-mkstandalone \
 454         --format=i386-pc \
 455         --output=isolinux/core.img \
 456         --install-modules="linux16 linux normal iso9660 biosdisk memdisk search tar ls" \
 457         --modules="linux16 linux normal iso9660 biosdisk search" \
 458         --locales="" \
 459         --fonts="" \
 460         --themes="" \
 461         "boot/grub/grub.cfg=isolinux/grub.cfg"
 462     cat /usr/lib/grub/i386-pc/cdboot.img isolinux/core.img > isolinux/bios.img
 463 }
 464
 465 make_md5sum() {
 466     /bin/bash -c "(find . -type f -print0 | xargs -0 md5sum | grep -v "\./md5sum.txt" > md5sum.txt)"
 467 }
 468
 469 make_iso() {
 470     xorriso \
 471         -as mkisofs \
 472         -iso-level 3 \
 473         -full-iso9660-filenames \
 474         -volid "${iso_label}" \
 475         -appid "${iso_application}" \
 476         -publisher "${iso_publisher}" \
 477         -preparer "prepared by LUBS" \
 478         -eltorito-boot boot/grub/bios.img \
 479         -no-emul-boot \
 480         -boot-load-size 4 \
 481         -boot-info-table \
 482         --eltorito-catalog boot/grub/boot.cat \
 483         --grub2-boot-info \
 484         --grub2-mbr /usr/lib/grub/i386-pc/boot_hybrid.img \
 485         -eltorito-alt-boot \
 486         -e EFI/efiboot.img \
 487         -no-emul-boot \
 488         -append_partition 2 0xef isolinux/efiboot.img \
 489         -output "${out_dir}/${iso_filename}" \
 490         -graft-points \
 491             "." \
 492             /boot/grub/bios.img=isolinux/bios.img \
 493             /EFI/efiboot.img=isolinux/efiboot.img
 494 }
 495
 496 make_checksum() {
 497     cd ${out_dir}
 498     _msg_info "Creating md5 checksum ..."
 499     md5sum "${iso_filename}" > "${iso_filename}.md5"
 500
 501     _msg_info "Creating sha256 checksum ..."
 502     sha256sum "${iso_filename}" > "${iso_filename}.sha256"
 503     cd - > /dev/null 2>&1
 504 }
 505
 506
 507 # 引数解析（）
 508 # 参考記事：https://0e0.pw/ci83 https://0e0.pw/VJlg
 509
 510 _opt_short="w:o:ha:-:m:c:d"
 511 _opt_long="help,arch:,codename:,debug,help,mirror:,out:,work,cache-only"
 512 OPT=$(getopt -o ${_opt_short} -l ${_opt_long} -- "${@}")
 513 if [[ ${?} != 0 ]]; then
 514     exit 1
 515 fi
 516 eval set -- "${OPT}"
 517 while :; do
 518     case ${1} in
 519         -a | --arch)
 520             if [[ -z ${2} ]]; then
 521                 _msg_error "Please specify the architecture."
 522                 exit 1
 523             else
 524                 arch="${2}"
 525             fi
 526             shift 2
 527             ;;
 528         -c | --codename)
 529             if [[ -z ${2} ]]; then
 530                 _msg_error "Please specify the codename."
 531                 exit 1
 532             else
 533                 codename="${2}"
 534             fi
 535             shift 2
 536             ;;
 537         -d | --debug)
 538             debug=true
 539             shift 1
 540             ;;
 541         -h | --help)
 542             _usage
 543             exit 0
 544             ;;
 545         -m | --mirror)
 546             if [[ -z ${2} ]]; then
 547                 _msg_error "Please specify the mirror server."
 548                 exit 1
 549             else
 550                 mirror="${2}"
 551             fi
 552             shift 2
 553             ;;
 554         -o | --out)
 555             if [[ -z ${2} ]]; then
 556                 _msg_error "Please specify the out dir."
 557                 exit 1
 558             fi
 559             shift 2
 560             ;;
 561         -w | --work)
 562             if [[ -z ${2} ]]; then
 563                 _msg_error "Please specify the out dir."
 564                 exit 1
 565             else
 566                 work_dir="${2}"
 567             fi
 568             shift 2
 569             ;;
 570         --cache-only)
 571             cache_only=true
 572             shift 1
 573             ;;
 574         --)
 575             shift
 576             break
 577             ;;
 578         *)
 579             _msg_error "Invalid argument '${1}'"
 580             _usage 1
 581             ;;
 582     esac
 583 done
 584
 585 bootfiles_dir="${work_dir}/bootfiles"
 586 trap  umount_chroot 0 2 15
 587
 588 if [[ -n "${1}" ]]; then
 589     channel_name="${1}"
 590
 591     check_channel() {
 592         local channel_list
 593         local i
 594         channel_list=()
 595         for _channel in $(ls -l "${channels_dir}" | awk '$1 ~ /d/ {print $9 }'); do
 596             if [[ -n $(ls "${channels_dir}/${_channel}") ]] && [[ ! "${_channel}" = "share" ]]; then
 597                 channel_list="${channel_list[@]} ${_channel}"
 598             fi
 599         done
 600         for i in ${channel_list[@]}; do
 601             if [[ "${i}" = "${channel_name}" ]]; then
 602                 echo -n "true"
 603                 return 0
 604             fi
 605         done
 606         echo -n "false"
 607         return 1
 608     }
 609
 610     if [[ $(check_channel ${channel_name}) = false ]]; then
 611         _msg_error "Invalid channel ${channel_name}"
 612         exit 1
 613     fi
 614 fi
 615
 616
 617 prepare_build
 618 run_once make_basefs
 619 run_once make_sourcelist
 620 run_once make_systemd
 621 run_once make_apt_packages
 622 #run_once make_snap_packages
 623 run_once make_config
 624 run_once make_customize_airootfs
 625 run_once make_clean
 626 run_once make_bootfiles
 627 run_once make_grubcfg
 628 run_once make_manifest
 629 run_once make_squashfs
 630 run_once make_deifnes
 631 run_once run_bootfiles make_isolinux
 632 run_once run_bootfiles make_md5sum
 633 run_once run_bootfiles make_iso
 634 run_once make_checksum