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awchjimmy

archiso build.sh

awchjimmy
Sep 18th, 2018
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  1. [root@7ec7eeadcd6d archlive]# cat build.sh
  2. #!/bin/bash
  3.  
  4. set -e -u
  5.  
  6. iso_name=archlinux
  7. iso_label="ARCH_$(date +%Y%m)"
  8. iso_publisher="Arch Linux <http://www.archlinux.org>"
  9. iso_application="Arch Linux Live/Rescue CD"
  10. iso_version=$(date +%Y.%m.%d)
  11. install_dir=arch
  12. work_dir=work
  13. out_dir=out
  14. gpg_key=
  15.  
  16. verbose=""
  17. script_path=$(readlink -f ${0%/*})
  18.  
  19. umask 0022
  20.  
  21. _usage ()
  22. {
  23.     echo "usage ${0} [options]"
  24.     echo
  25.     echo " General options:"
  26.     echo "    -N <iso_name>      Set an iso filename (prefix)"
  27.     echo "                        Default: ${iso_name}"
  28.     echo "    -V <iso_version>   Set an iso version (in filename)"
  29.     echo "                        Default: ${iso_version}"
  30.     echo "    -L <iso_label>     Set an iso label (disk label)"
  31.     echo "                        Default: ${iso_label}"
  32.     echo "    -P <publisher>     Set a publisher for the disk"
  33.     echo "                        Default: '${iso_publisher}'"
  34.     echo "    -A <application>   Set an application name for the disk"
  35.     echo "                        Default: '${iso_application}'"
  36.     echo "    -D <install_dir>   Set an install_dir (directory inside iso)"
  37.     echo "                        Default: ${install_dir}"
  38.     echo "    -w <work_dir>      Set the working directory"
  39.     echo "                        Default: ${work_dir}"
  40.     echo "    -o <out_dir>       Set the output directory"
  41.     echo "                        Default: ${out_dir}"
  42.     echo "    -v                 Enable verbose output"
  43.     echo "    -h                 This help message"
  44.     exit ${1}
  45. }
  46.  
  47. # Helper function to run make_*() only one time per architecture.
  48. run_once() {
  49.     if [[ ! -e ${work_dir}/build.${1} ]]; then
  50.         $1
  51.         touch ${work_dir}/build.${1}
  52.     fi
  53. }
  54.  
  55. # Setup custom pacman.conf with current cache directories.
  56. make_pacman_conf() {
  57.     local _cache_dirs
  58.     _cache_dirs=($(pacman -v 2>&1 | grep '^Cache Dirs:' | sed 's/Cache Dirs:\s*//g'))
  59.     sed -r "s|^#?\\s*CacheDir.+|CacheDir = $(echo -n ${_cache_dirs[@]})|g" ${script_path}/pacman.conf > ${work_dir}/pacman.conf
  60. }
  61.  
  62. # Base installation, plus needed packages (airootfs)
  63. make_basefs() {
  64.     mkarchiso ${verbose} -w "${work_dir}/x86_64" -C "${work_dir}/pacman.conf" -D "${install_dir}" init
  65.     mkarchiso ${verbose} -w "${work_dir}/x86_64" -C "${work_dir}/pacman.conf" -D "${install_dir}" -p "haveged intel-ucode amd-ucode memtest86+ mkinitcpio-nfs-utils nbd zsh efitools" install
  66. }
  67.  
  68. # Additional packages (airootfs)
  69. make_packages() {
  70.     mkarchiso ${verbose} -w "${work_dir}/x86_64" -C "${work_dir}/pacman.conf" -D "${install_dir}" -p "$(grep -h -v ^# ${script_path}/packages.x86_64)" install
  71. }
  72.  
  73. # Copy mkinitcpio archiso hooks and build initramfs (airootfs)
  74. make_setup_mkinitcpio() {
  75.     local _hook
  76.     mkdir -p ${work_dir}/x86_64/airootfs/etc/initcpio/hooks
  77.     mkdir -p ${work_dir}/x86_64/airootfs/etc/initcpio/install
  78.     for _hook in archiso archiso_shutdown archiso_pxe_common archiso_pxe_nbd archiso_pxe_http archiso_pxe_nfs archiso_loop_mnt; do
  79.         cp /usr/lib/initcpio/hooks/${_hook} ${work_dir}/x86_64/airootfs/etc/initcpio/hooks
  80.         cp /usr/lib/initcpio/install/${_hook} ${work_dir}/x86_64/airootfs/etc/initcpio/install
  81.     done
  82.     sed -i "s|/usr/lib/initcpio/|/etc/initcpio/|g" ${work_dir}/x86_64/airootfs/etc/initcpio/install/archiso_shutdown
  83.     cp /usr/lib/initcpio/install/archiso_kms ${work_dir}/x86_64/airootfs/etc/initcpio/install
  84.     cp /usr/lib/initcpio/archiso_shutdown ${work_dir}/x86_64/airootfs/etc/initcpio
  85.     cp ${script_path}/mkinitcpio.conf ${work_dir}/x86_64/airootfs/etc/mkinitcpio-archiso.conf
  86.     gnupg_fd=
  87.     if [[ ${gpg_key} ]]; then
  88.       gpg --export ${gpg_key} >${work_dir}/gpgkey
  89.       exec 17<>${work_dir}/gpgkey
  90.     fi
  91.     ARCHISO_GNUPG_FD=${gpg_key:+17} mkarchiso ${verbose} -w "${work_dir}/x86_64" -C "${work_dir}/pacman.conf" -D "${install_dir}" -r 'mkinitcpio -c /etc/mkinitcpio-archiso.conf -k /boot/vmlinuz-linux -g /boot/archiso.img' run
  92.     if [[ ${gpg_key} ]]; then
  93.       exec 17<&-
  94.     fi
  95. }
  96.  
  97. # Customize installation (airootfs)
  98. make_customize_airootfs() {
  99.     cp -af ${script_path}/airootfs ${work_dir}/x86_64
  100.  
  101.     cp ${script_path}/pacman.conf ${work_dir}/x86_64/airootfs/etc
  102.  
  103.     curl -o ${work_dir}/x86_64/airootfs/etc/pacman.d/mirrorlist 'https://www.archlinux.org/mirrorlist/?country=all&protocol=http&use_mirror_status=on'
  104.  
  105.     lynx -dump -nolist 'https://wiki.archlinux.org/index.php/Installation_Guide?action=render' >> ${work_dir}/x86_64/airootfs/root/install.txt
  106.  
  107.     mkarchiso ${verbose} -w "${work_dir}/x86_64" -C "${work_dir}/pacman.conf" -D "${install_dir}" -r '/root/customize_airootfs.sh' run
  108.     rm ${work_dir}/x86_64/airootfs/root/customize_airootfs.sh
  109. }
  110.  
  111. # Prepare kernel/initramfs ${install_dir}/boot/
  112. make_boot() {
  113.     mkdir -p ${work_dir}/iso/${install_dir}/boot/x86_64
  114.     cp ${work_dir}/x86_64/airootfs/boot/archiso.img ${work_dir}/iso/${install_dir}/boot/x86_64/archiso.img
  115.     cp ${work_dir}/x86_64/airootfs/boot/vmlinuz-linux ${work_dir}/iso/${install_dir}/boot/x86_64/vmlinuz
  116. }
  117.  
  118. # Add other aditional/extra files to ${install_dir}/boot/
  119. make_boot_extra() {
  120.     cp ${work_dir}/x86_64/airootfs/boot/memtest86+/memtest.bin ${work_dir}/iso/${install_dir}/boot/memtest
  121.     cp ${work_dir}/x86_64/airootfs/usr/share/licenses/common/GPL2/license.txt ${work_dir}/iso/${install_dir}/boot/memtest.COPYING
  122.     cp ${work_dir}/x86_64/airootfs/boot/intel-ucode.img ${work_dir}/iso/${install_dir}/boot/intel_ucode.img
  123.     cp ${work_dir}/x86_64/airootfs/usr/share/licenses/intel-ucode/LICENSE ${work_dir}/iso/${install_dir}/boot/intel_ucode.LICENSE
  124.     cp ${work_dir}/x86_64/airootfs/boot/amd-ucode.img ${work_dir}/iso/${install_dir}/boot/amd_ucode.img
  125.     cp ${work_dir}/x86_64/airootfs/usr/share/licenses/amd-ucode/LICENSE ${work_dir}/iso/${install_dir}/boot/amd_ucode.LICENSE
  126. }
  127.  
  128. # Prepare /${install_dir}/boot/syslinux
  129. make_syslinux() {
  130.     _uname_r=$(file -b ${work_dir}/x86_64/airootfs/boot/vmlinuz-linux| awk 'f{print;f=0} /version/{f=1}' RS=' ')
  131.     mkdir -p ${work_dir}/iso/${install_dir}/boot/syslinux
  132.     for _cfg in ${script_path}/syslinux/*.cfg; do
  133.         sed "s|%ARCHISO_LABEL%|${iso_label}|g;
  134.             s|%INSTALL_DIR%|${install_dir}|g" ${_cfg} > ${work_dir}/iso/${install_dir}/boot/syslinux/${_cfg##*/}
  135.     done
  136.     cp ${script_path}/syslinux/splash.png ${work_dir}/iso/${install_dir}/boot/syslinux
  137.     cp ${work_dir}/x86_64/airootfs/usr/lib/syslinux/bios/*.c32 ${work_dir}/iso/${install_dir}/boot/syslinux
  138.     cp ${work_dir}/x86_64/airootfs/usr/lib/syslinux/bios/lpxelinux.0 ${work_dir}/iso/${install_dir}/boot/syslinux
  139.     cp ${work_dir}/x86_64/airootfs/usr/lib/syslinux/bios/memdisk ${work_dir}/iso/${install_dir}/boot/syslinux
  140.     mkdir -p ${work_dir}/iso/${install_dir}/boot/syslinux/hdt
  141.     gzip -c -9 ${work_dir}/x86_64/airootfs/usr/share/hwdata/pci.ids > ${work_dir}/iso/${install_dir}/boot/syslinux/hdt/pciids.gz
  142.     gzip -c -9 ${work_dir}/x86_64/airootfs/usr/lib/modules/${_uname_r}/modules.alias > ${work_dir}/iso/${install_dir}/boot/syslinux/hdt/modalias.gz
  143. }
  144.  
  145. # Prepare /isolinux
  146. make_isolinux() {
  147.     mkdir -p ${work_dir}/iso/isolinux
  148.     sed "s|%INSTALL_DIR%|${install_dir}|g" ${script_path}/isolinux/isolinux.cfg > ${work_dir}/iso/isolinux/isolinux.cfg
  149.     cp ${work_dir}/x86_64/airootfs/usr/lib/syslinux/bios/isolinux.bin ${work_dir}/iso/isolinux/
  150.     cp ${work_dir}/x86_64/airootfs/usr/lib/syslinux/bios/isohdpfx.bin ${work_dir}/iso/isolinux/
  151.     cp ${work_dir}/x86_64/airootfs/usr/lib/syslinux/bios/ldlinux.c32 ${work_dir}/iso/isolinux/
  152. }
  153.  
  154. # Prepare /EFI
  155. make_efi() {
  156.     mkdir -p ${work_dir}/iso/EFI/boot
  157.     cp ${work_dir}/x86_64/airootfs/usr/share/efitools/efi/PreLoader.efi ${work_dir}/iso/EFI/boot/bootx64.efi
  158.     cp ${work_dir}/x86_64/airootfs/usr/share/efitools/efi/HashTool.efi ${work_dir}/iso/EFI/boot/
  159.  
  160.     cp ${work_dir}/x86_64/airootfs/usr/lib/systemd/boot/efi/systemd-bootx64.efi ${work_dir}/iso/EFI/boot/loader.efi
  161.  
  162.     mkdir -p ${work_dir}/iso/loader/entries
  163.     cp ${script_path}/efiboot/loader/loader.conf ${work_dir}/iso/loader/
  164.     cp ${script_path}/efiboot/loader/entries/uefi-shell-v2-x86_64.conf ${work_dir}/iso/loader/entries/
  165.     cp ${script_path}/efiboot/loader/entries/uefi-shell-v1-x86_64.conf ${work_dir}/iso/loader/entries/
  166.  
  167.     sed "s|%ARCHISO_LABEL%|${iso_label}|g;
  168.         s|%INSTALL_DIR%|${install_dir}|g" \
  169.         ${script_path}/efiboot/loader/entries/archiso-x86_64-usb.conf > ${work_dir}/iso/loader/entries/archiso-x86_64.conf
  170.  
  171.     # EFI Shell 2.0 for UEFI 2.3+
  172.     curl -o ${work_dir}/iso/EFI/shellx64_v2.efi https://raw.githubusercontent.com/tianocore/edk2/master/ShellBinPkg/UefiShell/X64/Shell.efi
  173.     # EFI Shell 1.0 for non UEFI 2.3+
  174.     curl -o ${work_dir}/iso/EFI/shellx64_v1.efi https://raw.githubusercontent.com/tianocore/edk2/master/EdkShellBinPkg/FullShell/X64/Shell_Full.efi
  175. }
  176.  
  177. # Prepare efiboot.img::/EFI for "El Torito" EFI boot mode
  178. make_efiboot() {
  179.     mkdir -p ${work_dir}/iso/EFI/archiso
  180.     truncate -s 64M ${work_dir}/iso/EFI/archiso/efiboot.img
  181.     mkfs.fat -n ARCHISO_EFI ${work_dir}/iso/EFI/archiso/efiboot.img
  182.  
  183.     mkdir -p ${work_dir}/efiboot
  184.     mount ${work_dir}/iso/EFI/archiso/efiboot.img ${work_dir}/efiboot
  185.  
  186.     mkdir -p ${work_dir}/efiboot/EFI/archiso
  187.     cp ${work_dir}/iso/${install_dir}/boot/x86_64/vmlinuz ${work_dir}/efiboot/EFI/archiso/vmlinuz.efi
  188.     cp ${work_dir}/iso/${install_dir}/boot/x86_64/archiso.img ${work_dir}/efiboot/EFI/archiso/archiso.img
  189.  
  190.     cp ${work_dir}/iso/${install_dir}/boot/intel_ucode.img ${work_dir}/efiboot/EFI/archiso/intel_ucode.img
  191.     cp ${work_dir}/iso/${install_dir}/boot/amd_ucode.img ${work_dir}/efiboot/EFI/archiso/amd_ucode.img
  192.  
  193.     mkdir -p ${work_dir}/efiboot/EFI/boot
  194.     cp ${work_dir}/x86_64/airootfs/usr/share/efitools/efi/PreLoader.efi ${work_dir}/efiboot/EFI/boot/bootx64.efi
  195.     cp ${work_dir}/x86_64/airootfs/usr/share/efitools/efi/HashTool.efi ${work_dir}/efiboot/EFI/boot/
  196.  
  197.     cp ${work_dir}/x86_64/airootfs/usr/lib/systemd/boot/efi/systemd-bootx64.efi ${work_dir}/efiboot/EFI/boot/loader.efi
  198.  
  199.     mkdir -p ${work_dir}/efiboot/loader/entries
  200.     cp ${script_path}/efiboot/loader/loader.conf ${work_dir}/efiboot/loader/
  201.     cp ${script_path}/efiboot/loader/entries/uefi-shell-v2-x86_64.conf ${work_dir}/efiboot/loader/entries/
  202.     cp ${script_path}/efiboot/loader/entries/uefi-shell-v1-x86_64.conf ${work_dir}/efiboot/loader/entries/
  203.  
  204.     sed "s|%ARCHISO_LABEL%|${iso_label}|g;
  205.         s|%INSTALL_DIR%|${install_dir}|g" \
  206.         ${script_path}/efiboot/loader/entries/archiso-x86_64-cd.conf > ${work_dir}/efiboot/loader/entries/archiso-x86_64.conf
  207.  
  208.     cp ${work_dir}/iso/EFI/shellx64_v2.efi ${work_dir}/efiboot/EFI/
  209.     cp ${work_dir}/iso/EFI/shellx64_v1.efi ${work_dir}/efiboot/EFI/
  210.  
  211.     umount -d ${work_dir}/efiboot
  212. }
  213.  
  214. # Build airootfs filesystem image
  215. make_prepare() {
  216.     cp -a -l -f ${work_dir}/x86_64/airootfs ${work_dir}
  217.     mkarchiso ${verbose} -w "${work_dir}" -D "${install_dir}" pkglist
  218.     mkarchiso ${verbose} -w "${work_dir}" -D "${install_dir}" ${gpg_key:+-g ${gpg_key}} prepare
  219.     rm -rf ${work_dir}/airootfs
  220.     # rm -rf ${work_dir}/x86_64/airootfs (if low space, this helps)
  221. }
  222.  
  223. # Build ISO
  224. make_iso() {
  225.     mkarchiso ${verbose} -w "${work_dir}" -D "${install_dir}" -L "${iso_label}" -P "${iso_publisher}" -A "${iso_application}" -o "${out_dir}" iso "${iso_name}-${iso_version}-x86_64.iso"
  226. }
  227.  
  228. if [[ ${EUID} -ne 0 ]]; then
  229.     echo "This script must be run as root."
  230.     _usage 1
  231. fi
  232.  
  233. while getopts 'N:V:L:P:A:D:w:o:g:vh' arg; do
  234.     case "${arg}" in
  235.         N) iso_name="${OPTARG}" ;;
  236.         V) iso_version="${OPTARG}" ;;
  237.         L) iso_label="${OPTARG}" ;;
  238.         P) iso_publisher="${OPTARG}" ;;
  239.         A) iso_application="${OPTARG}" ;;
  240.         D) install_dir="${OPTARG}" ;;
  241.         w) work_dir="${OPTARG}" ;;
  242.         o) out_dir="${OPTARG}" ;;
  243.         g) gpg_key="${OPTARG}" ;;
  244.         v) verbose="-v" ;;
  245.         h) _usage 0 ;;
  246.         *)
  247.            echo "Invalid argument '${arg}'"
  248.            _usage 1
  249.            ;;
  250.     esac
  251. done
  252.  
  253. mkdir -p ${work_dir}
  254.  
  255. run_once make_pacman_conf
  256. run_once make_basefs
  257. run_once make_packages
  258. run_once make_setup_mkinitcpio
  259. run_once make_customize_airootfs
  260. run_once make_boot
  261. run_once make_boot_extra
  262. run_once make_syslinux
  263. run_once make_isolinux
  264. run_once make_efi
  265. run_once make_efiboot
  266. run_once make_prepare
  267. run_once make_iso
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