#!/bin/bash set -e -u iso_name=archlinux iso_label="ARCH_$(date +%Y%m)" iso_version=$(date +%Y.%m.%d) install_dir=arch work_dir=work out_dir=out gpg_key= arch=$(uname -m) verbose="" script_path=$(readlink -f ${0%/*}) _usage () { echo "usage ${0} [options]" echo echo " General options:" echo " -N <iso_name> Set an iso filename (prefix)" echo " Default: ${iso_name}" echo " -V <iso_version> Set an iso version (in filename)" echo " Default: ${iso_version}" echo " -L <iso_label> Set an iso label (disk label)" echo " Default: ${iso_label}" echo " -D <install_dir> Set an install_dir (directory inside iso)" echo " Default: ${install_dir}" echo " -w <work_dir> Set the working directory" echo " Default: ${work_dir}" echo " -o <out_dir> Set the output directory" echo " Default: ${out_dir}" echo " -v Enable verbose output" echo " -h This help message" exit ${1} } # Helper function to run make_*() only one time per architecture. run_once() { if [[ ! -e ${work_dir}/build.${1}_${arch} ]]; then $1 touch ${work_dir}/build.${1}_${arch} fi } # Setup custom pacman.conf with current cache directories. make_pacman_conf() { local _cache_dirs _cache_dirs=($(pacman -v 2>&1 | grep '^Cache Dirs:' | sed 's/Cache Dirs:\s*//g')) sed -r "s|^#?\\s*CacheDir.+|CacheDir = $(echo -n ${_cache_dirs[@]})|g" ${script_path}/pacman.conf > ${work_dir}/pacman.conf } # Base installation, plus needed packages (airootfs) make_basefs() { setarch ${arch} mkarchiso ${verbose} -w "${work_dir}/${arch}" -C "${work_dir}/pacman.conf" -D "${install_dir}" init setarch ${arch} mkarchiso ${verbose} -w "${work_dir}/${arch}" -C "${work_dir}/pacman.conf" -D "${install_dir}" -p "haveged intel-ucode memtest86+ mkinitcpio-nfs-utils nbd zsh" install } # Additional packages (airootfs) make_packages() { setarch ${arch} mkarchiso ${verbose} -w "${work_dir}/${arch}" -C "${work_dir}/pacman.conf" -D "${install_dir}" -p "$(grep -h -v ^# ${script_path}/packages.{both,${arch}})" install } # Needed packages for x86_64 EFI boot make_packages_efi() { setarch ${arch} mkarchiso ${verbose} -w "${work_dir}/${arch}" -C "${work_dir}/pacman.conf" -D "${install_dir}" -p "efitools" install } # Copy mkinitcpio archiso hooks and build initramfs (airootfs) make_setup_mkinitcpio() { local _hook mkdir -p ${work_dir}/${arch}/airootfs/etc/initcpio/hooks mkdir -p ${work_dir}/${arch}/airootfs/etc/initcpio/install for _hook in archiso archiso_shutdown archiso_pxe_common archiso_pxe_nbd archiso_pxe_http archiso_pxe_nfs archiso_loop_mnt; do cp /usr/lib/initcpio/hooks/${_hook} ${work_dir}/${arch}/airootfs/etc/initcpio/hooks cp /usr/lib/initcpio/install/${_hook} ${work_dir}/${arch}/airootfs/etc/initcpio/install done sed -i "s|/usr/lib/initcpio/|/etc/initcpio/|g" ${work_dir}/${arch}/airootfs/etc/initcpio/install/archiso_shutdown cp /usr/lib/initcpio/install/archiso_kms ${work_dir}/${arch}/airootfs/etc/initcpio/install cp /usr/lib/initcpio/archiso_shutdown ${work_dir}/${arch}/airootfs/etc/initcpio cp ${script_path}/mkinitcpio.conf ${work_dir}/${arch}/airootfs/etc/mkinitcpio-archiso.conf gnupg_fd= if [[ ${gpg_key} ]]; then gpg --export ${gpg_key} >${work_dir}/gpgkey exec 17<>${work_dir}/gpgkey fi ARCHISO_GNUPG_FD=${gpg_key:+17} setarch ${arch} mkarchiso ${verbose} -w "${work_dir}/${arch}" -C "${work_dir}/pacman.conf" -D "${install_dir}" -r 'mkinitcpio -c /etc/mkinitcpio-archiso.conf -k /boot/vmlinuz-linux -g /boot/archiso.img' run if [[ ${gpg_key} ]]; then exec 17<&- fi } # Customize installation (airootfs) make_customize_airootfs() { cp -af ${script_path}/airootfs ${work_dir}/${arch} curl -o ${work_dir}/${arch}/airootfs/etc/pacman.d/mirrorlist 'https://www.archlinux.org/mirrorlist/?country=all&protocol=http&use_mirror_status=on' lynx -dump -nolist 'https://wiki.archlinux.org/index.php/Installation_Guide?action=render' >> ${work_dir}/${arch}/airootfs/root/install.txt setarch ${arch} mkarchiso ${verbose} -w "${work_dir}/${arch}" -C "${work_dir}/pacman.conf" -D "${install_dir}" -r '/root/customize_airootfs.sh' run rm ${work_dir}/${arch}/airootfs/root/customize_airootfs.sh } # Prepare kernel/initramfs ${install_dir}/boot/ make_boot() { mkdir -p ${work_dir}/iso/${install_dir}/boot/${arch} cp ${work_dir}/${arch}/airootfs/boot/archiso.img ${work_dir}/iso/${install_dir}/boot/${arch}/archiso.img cp ${work_dir}/${arch}/airootfs/boot/vmlinuz-linux ${work_dir}/iso/${install_dir}/boot/${arch}/vmlinuz } # Add other aditional/extra files to ${install_dir}/boot/ make_boot_extra() { cp ${work_dir}/${arch}/airootfs/boot/memtest86+/memtest.bin ${work_dir}/iso/${install_dir}/boot/memtest cp ${work_dir}/${arch}/airootfs/usr/share/licenses/common/GPL2/license.txt ${work_dir}/iso/${install_dir}/boot/memtest.COPYING cp ${work_dir}/${arch}/airootfs/boot/intel-ucode.img ${work_dir}/iso/${install_dir}/boot/intel_ucode.img cp ${work_dir}/${arch}/airootfs/usr/share/licenses/intel-ucode/LICENSE ${work_dir}/iso/${install_dir}/boot/intel_ucode.LICENSE } # Prepare /${install_dir}/boot/syslinux make_syslinux() { mkdir -p ${work_dir}/iso/${install_dir}/boot/syslinux for _cfg in ${script_path}/syslinux/*.cfg; do sed "s|%ARCHISO_LABEL%|${iso_label}|g; s|%INSTALL_DIR%|${install_dir}|g" ${_cfg} > ${work_dir}/iso/${install_dir}/boot/syslinux/${_cfg##*/} done cp ${script_path}/syslinux/splash.png ${work_dir}/iso/${install_dir}/boot/syslinux cp ${work_dir}/${arch}/airootfs/usr/lib/syslinux/bios/*.c32 ${work_dir}/iso/${install_dir}/boot/syslinux cp ${work_dir}/${arch}/airootfs/usr/lib/syslinux/bios/lpxelinux.0 ${work_dir}/iso/${install_dir}/boot/syslinux cp ${work_dir}/${arch}/airootfs/usr/lib/syslinux/bios/memdisk ${work_dir}/iso/${install_dir}/boot/syslinux mkdir -p ${work_dir}/iso/${install_dir}/boot/syslinux/hdt gzip -c -9 ${work_dir}/${arch}/airootfs/usr/share/hwdata/pci.ids > ${work_dir}/iso/${install_dir}/boot/syslinux/hdt/pciids.gz gzip -c -9 ${work_dir}/${arch}/airootfs/usr/lib/modules/*-ARCH/modules.alias > ${work_dir}/iso/${install_dir}/boot/syslinux/hdt/modalias.gz } # Prepare /isolinux make_isolinux() { mkdir -p ${work_dir}/iso/isolinux sed "s|%INSTALL_DIR%|${install_dir}|g" ${script_path}/isolinux/isolinux.cfg > ${work_dir}/iso/isolinux/isolinux.cfg cp ${work_dir}/${arch}/airootfs/usr/lib/syslinux/bios/isolinux.bin ${work_dir}/iso/isolinux/ cp ${work_dir}/${arch}/airootfs/usr/lib/syslinux/bios/isohdpfx.bin ${work_dir}/iso/isolinux/ cp ${work_dir}/${arch}/airootfs/usr/lib/syslinux/bios/ldlinux.c32 ${work_dir}/iso/isolinux/ } # Prepare /EFI make_efi() { mkdir -p ${work_dir}/iso/EFI/boot cp ${work_dir}/x86_64/airootfs/usr/share/efitools/efi/PreLoader.efi ${work_dir}/iso/EFI/boot/bootx64.efi cp ${work_dir}/x86_64/airootfs/usr/share/efitools/efi/HashTool.efi ${work_dir}/iso/EFI/boot/ cp ${work_dir}/x86_64/airootfs/usr/lib/systemd/boot/efi/systemd-bootx64.efi ${work_dir}/iso/EFI/boot/loader.efi mkdir -p ${work_dir}/iso/loader/entries cp ${script_path}/efiboot/loader/loader.conf ${work_dir}/iso/loader/ cp ${script_path}/efiboot/loader/entries/uefi-shell-v2-x86_64.conf ${work_dir}/iso/loader/entries/ cp ${script_path}/efiboot/loader/entries/uefi-shell-v1-x86_64.conf ${work_dir}/iso/loader/entries/ sed "s|%ARCHISO_LABEL%|${iso_label}|g; s|%INSTALL_DIR%|${install_dir}|g" \ ${script_path}/efiboot/loader/entries/archiso-x86_64-usb.conf > ${work_dir}/iso/loader/entries/archiso-x86_64.conf # EFI Shell 2.0 for UEFI 2.3+ curl -o ${work_dir}/iso/EFI/shellx64_v2.efi https://raw.githubusercontent.com/tianocore/edk2/master/ShellBinPkg/UefiShell/X64/Shell.efi # EFI Shell 1.0 for non UEFI 2.3+ curl -o ${work_dir}/iso/EFI/shellx64_v1.efi https://raw.githubusercontent.com/tianocore/edk2/master/EdkShellBinPkg/FullShell/X64/Shell_Full.efi } # Prepare efiboot.img::/EFI for "El Torito" EFI boot mode make_efiboot() { mkdir -p ${work_dir}/iso/EFI/archiso truncate -s 40M ${work_dir}/iso/EFI/archiso/efiboot.img mkfs.fat -n ARCHISO_EFI ${work_dir}/iso/EFI/archiso/efiboot.img mkdir -p ${work_dir}/efiboot mount ${work_dir}/iso/EFI/archiso/efiboot.img ${work_dir}/efiboot mkdir -p ${work_dir}/efiboot/EFI/archiso cp ${work_dir}/iso/${install_dir}/boot/x86_64/vmlinuz ${work_dir}/efiboot/EFI/archiso/vmlinuz.efi cp ${work_dir}/iso/${install_dir}/boot/x86_64/archiso.img ${work_dir}/efiboot/EFI/archiso/archiso.img cp ${work_dir}/iso/${install_dir}/boot/intel_ucode.img ${work_dir}/efiboot/EFI/archiso/intel_ucode.img mkdir -p ${work_dir}/efiboot/EFI/boot cp ${work_dir}/x86_64/airootfs/usr/share/efitools/efi/PreLoader.efi ${work_dir}/efiboot/EFI/boot/bootx64.efi cp ${work_dir}/x86_64/airootfs/usr/share/efitools/efi/HashTool.efi ${work_dir}/efiboot/EFI/boot/ cp ${work_dir}/x86_64/airootfs/usr/lib/systemd/boot/efi/systemd-bootx64.efi ${work_dir}/efiboot/EFI/boot/loader.efi mkdir -p ${work_dir}/efiboot/loader/entries cp ${script_path}/efiboot/loader/loader.conf ${work_dir}/efiboot/loader/ cp ${script_path}/efiboot/loader/entries/uefi-shell-v2-x86_64.conf ${work_dir}/efiboot/loader/entries/ cp ${script_path}/efiboot/loader/entries/uefi-shell-v1-x86_64.conf ${work_dir}/efiboot/loader/entries/ sed "s|%ARCHISO_LABEL%|${iso_label}|g; s|%INSTALL_DIR%|${install_dir}|g" \ ${script_path}/efiboot/loader/entries/archiso-x86_64-cd.conf > ${work_dir}/efiboot/loader/entries/archiso-x86_64.conf cp ${work_dir}/iso/EFI/shellx64_v2.efi ${work_dir}/efiboot/EFI/ cp ${work_dir}/iso/EFI/shellx64_v1.efi ${work_dir}/efiboot/EFI/ umount -d ${work_dir}/efiboot } # Build airootfs filesystem image make_prepare() { cp -a -l -f ${work_dir}/${arch}/airootfs ${work_dir} setarch ${arch} mkarchiso ${verbose} -w "${work_dir}" -D "${install_dir}" pkglist setarch ${arch} mkarchiso ${verbose} -w "${work_dir}" -D "${install_dir}" ${gpg_key:+-g ${gpg_key}} prepare rm -rf ${work_dir}/airootfs # rm -rf ${work_dir}/${arch}/airootfs (if low space, this helps) } # Build ISO make_iso() { mkarchiso ${verbose} -w "${work_dir}" -D "${install_dir}" -L "${iso_label}" -o "${out_dir}" iso "${iso_name}-${iso_version}-dual.iso" } if [[ ${EUID} -ne 0 ]]; then echo "This script must be run as root." _usage 1 fi if [[ ${arch} != x86_64 ]]; then echo "This script needs to be run on x86_64" _usage 1 fi while getopts 'N:V:L:D:w:o:g:vh' arg; do case "${arg}" in N) iso_name="${OPTARG}" ;; V) iso_version="${OPTARG}" ;; L) iso_label="${OPTARG}" ;; D) install_dir="${OPTARG}" ;; w) work_dir="${OPTARG}" ;; o) out_dir="${OPTARG}" ;; g) gpg_key="${OPTARG}" ;; v) verbose="-v" ;; h) _usage 0 ;; *) echo "Invalid argument '${arg}'" _usage 1 ;; esac done mkdir -p ${work_dir} run_once make_pacman_conf # Do all stuff for each airootfs for arch in i686 x86_64; do run_once make_basefs run_once make_packages done run_once make_packages_efi for arch in i686 x86_64; do run_once make_setup_mkinitcpio run_once make_customize_airootfs done for arch in i686 x86_64; do run_once make_boot done # Do all stuff for "iso" run_once make_boot_extra run_once make_syslinux run_once make_isolinux run_once make_efi run_once make_efiboot for arch in i686 x86_64; do run_once make_prepare done run_once make_iso