610ff2ac26
* Merge _make_efi_dir_on_iso9660 into _make_bootmode_uefi-x64.systemd-boot.eltorito since it's specific to that boot mode. * Split off FAT image creation into _make_efibootimg, so it can be reused by other functions. * Add/improve comments to better document what the script does.
1311 lines
53 KiB
Bash
Executable File
1311 lines
53 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# SPDX-License-Identifier: GPL-3.0-or-later
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set -e -u
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# Control the environment
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umask 0022
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export LC_ALL="C"
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export SOURCE_DATE_EPOCH="${SOURCE_DATE_EPOCH:-"$(date +%s)"}"
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# Set application name from the script's file name
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app_name="${0##*/}"
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# Define global variables. All of them will be overwritten later
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pkg_list=()
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bootstrap_pkg_list=()
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quiet=""
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work_dir=""
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out_dir=""
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gpg_key=""
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iso_name=""
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iso_label=""
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iso_publisher=""
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iso_application=""
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iso_version=""
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install_dir=""
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arch=""
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pacman_conf=""
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packages=""
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bootstrap_packages=""
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pacstrap_dir=""
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buildmodes=()
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bootmodes=()
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airootfs_image_type=""
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airootfs_image_tool_options=()
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cert_list=()
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sign_netboot_artifacts=""
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declare -A file_permissions=()
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# adapted from GRUB_EARLY_INITRD_LINUX_STOCK in https://git.savannah.gnu.org/cgit/grub.git/tree/util/grub-mkconfig.in
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readonly ucodes=('intel-uc.img' 'intel-ucode.img' 'amd-uc.img' 'amd-ucode.img' 'early_ucode.cpio' 'microcode.cpio')
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# Show an INFO message
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# $1: message string
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_msg_info() {
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local _msg="${1}"
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[[ "${quiet}" == "y" ]] || printf '[%s] INFO: %s\n' "${app_name}" "${_msg}"
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}
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# Show a WARNING message
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# $1: message string
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_msg_warning() {
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local _msg="${1}"
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printf '[%s] WARNING: %s\n' "${app_name}" "${_msg}" >&2
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}
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# Show an ERROR message then exit with status
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# $1: message string
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# $2: exit code number (with 0 does not exit)
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_msg_error() {
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local _msg="${1}"
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local _error=${2}
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printf '[%s] ERROR: %s\n' "${app_name}" "${_msg}" >&2
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if (( _error > 0 )); then
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exit "${_error}"
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fi
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}
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_mount_airootfs() {
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trap "_umount_airootfs" EXIT HUP INT TERM
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install -d -m 0755 -- "${work_dir}/mnt/airootfs"
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_msg_info "Mounting '${pacstrap_dir}.img' on '${work_dir}/mnt/airootfs'..."
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mount -- "${pacstrap_dir}.img" "${work_dir}/mnt/airootfs"
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_msg_info "Done!"
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}
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_umount_airootfs() {
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_msg_info "Unmounting '${work_dir}/mnt/airootfs'..."
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umount -d -- "${work_dir}/mnt/airootfs"
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_msg_info "Done!"
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rmdir -- "${work_dir}/mnt/airootfs"
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trap - EXIT HUP INT TERM
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}
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# Show help usage, with an exit status.
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# $1: exit status number.
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_usage() {
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IFS='' read -r -d '' usagetext <<ENDUSAGETEXT || true
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usage: ${app_name} [options] <profile_dir>
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options:
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-A <application> Set an application name for the ISO
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Default: '${iso_application}'
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-C <file> pacman configuration file.
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Default: '${pacman_conf}'
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-D <install_dir> Set an install_dir. All files will by located here.
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Default: '${install_dir}'
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NOTE: Max 8 characters, use only [a-z0-9]
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-L <label> Set the ISO volume label
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Default: '${iso_label}'
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-P <publisher> Set the ISO publisher
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Default: '${iso_publisher}'
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-c [cert ..] Provide certificates for codesigning of netboot artifacts
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Multiple files are provided as quoted, space delimited list.
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The first file is considered as the signing certificate,
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the second as the key.
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-g <gpg_key> Set the PGP key ID to be used for signing the rootfs image
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-h This message
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-m [mode ..] Build mode(s) to use (valid modes are: 'bootstrap', 'iso' and 'netboot').
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Multiple build modes are provided as quoted, space delimited list.
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-o <out_dir> Set the output directory
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Default: '${out_dir}'
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-p [package ..] Package(s) to install.
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Multiple packages are provided as quoted, space delimited list.
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-v Enable verbose output
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-w <work_dir> Set the working directory
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Default: '${work_dir}'
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profile_dir: Directory of the archiso profile to build
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ENDUSAGETEXT
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printf '%s' "${usagetext}"
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exit "${1}"
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}
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# Shows configuration options.
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_show_config() {
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local build_date
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build_date="$(date --utc --iso-8601=seconds -d "@${SOURCE_DATE_EPOCH}")"
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_msg_info "${app_name} configuration settings"
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_msg_info " Architecture: ${arch}"
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_msg_info " Working directory: ${work_dir}"
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_msg_info " Installation directory: ${install_dir}"
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_msg_info " Build date: ${build_date}"
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_msg_info " Output directory: ${out_dir}"
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_msg_info " Current build mode: ${buildmode}"
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_msg_info " Build modes: ${buildmodes[*]}"
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_msg_info " GPG key: ${gpg_key:-None}"
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_msg_info "Code signing certificates: ${cert_list[*]}"
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_msg_info " Profile: ${profile}"
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_msg_info "Pacman configuration file: ${pacman_conf}"
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_msg_info " Image file name: ${image_name:-None}"
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_msg_info " ISO volume label: ${iso_label}"
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_msg_info " ISO publisher: ${iso_publisher}"
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_msg_info " ISO application: ${iso_application}"
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_msg_info " Boot modes: ${bootmodes[*]}"
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_msg_info " Packages File: ${buildmode_packages}"
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_msg_info " Packages: ${buildmode_pkg_list[*]}"
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}
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# Cleanup airootfs
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_cleanup_pacstrap_dir() {
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_msg_info "Cleaning up in pacstrap location..."
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# Delete all files in /boot
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[[ -d "${pacstrap_dir}/boot" ]] && find "${pacstrap_dir}/boot" -mindepth 1 -delete
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# Delete pacman database sync cache files (*.tar.gz)
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[[ -d "${pacstrap_dir}/var/lib/pacman" ]] && find "${pacstrap_dir}/var/lib/pacman" -maxdepth 1 -type f -delete
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# Delete pacman database sync cache
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[[ -d "${pacstrap_dir}/var/lib/pacman/sync" ]] && find "${pacstrap_dir}/var/lib/pacman/sync" -delete
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# Delete pacman package cache
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[[ -d "${pacstrap_dir}/var/cache/pacman/pkg" ]] && find "${pacstrap_dir}/var/cache/pacman/pkg" -type f -delete
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# Delete all log files, keeps empty dirs.
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[[ -d "${pacstrap_dir}/var/log" ]] && find "${pacstrap_dir}/var/log" -type f -delete
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# Delete all temporary files and dirs
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[[ -d "${pacstrap_dir}/var/tmp" ]] && find "${pacstrap_dir}/var/tmp" -mindepth 1 -delete
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# Delete package pacman related files.
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find "${work_dir}" \( -name '*.pacnew' -o -name '*.pacsave' -o -name '*.pacorig' \) -delete
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# Create an empty /etc/machine-id
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rm -f -- "${pacstrap_dir}/etc/machine-id"
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printf '' > "${pacstrap_dir}/etc/machine-id"
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_msg_info "Done!"
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}
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# Create a squashfs image and place it in the ISO 9660 file system.
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# $@: options to pass to mksquashfs
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_run_mksquashfs() {
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local image_path="${isofs_dir}/${install_dir}/${arch}/airootfs.sfs"
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if [[ "${quiet}" == "y" ]]; then
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mksquashfs "$@" "${image_path}" -noappend "${airootfs_image_tool_options[@]}" -no-progress > /dev/null
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else
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mksquashfs "$@" "${image_path}" -noappend "${airootfs_image_tool_options[@]}"
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fi
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}
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# Create an ext4 image containing the root file system and pack it inside a squashfs image.
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# Save the squashfs image on the ISO 9660 file system.
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_mkairootfs_ext4+squashfs() {
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[[ -e "${pacstrap_dir}" ]] || _msg_error "The path '${pacstrap_dir}' does not exist" 1
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_msg_info "Creating ext4 image of 32 GiB..."
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if [[ "${quiet}" == "y" ]]; then
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mkfs.ext4 -q -O '^has_journal,^resize_inode' -E 'lazy_itable_init=0' -m 0 -F -- "${pacstrap_dir}.img" 32G
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else
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mkfs.ext4 -O '^has_journal,^resize_inode' -E 'lazy_itable_init=0' -m 0 -F -- "${pacstrap_dir}.img" 32G
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fi
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tune2fs -c 0 -i 0 -- "${pacstrap_dir}.img" > /dev/null
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_msg_info "Done!"
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_mount_airootfs
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_msg_info "Copying '${pacstrap_dir}/' to '${work_dir}/mnt/airootfs/'..."
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cp -aT -- "${pacstrap_dir}/" "${work_dir}/mnt/airootfs/"
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chown -- 0:0 "${work_dir}/mnt/airootfs/"
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_msg_info "Done!"
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_umount_airootfs
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install -d -m 0755 -- "${isofs_dir}/${install_dir}/${arch}"
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_msg_info "Creating SquashFS image, this may take some time..."
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_run_mksquashfs "${pacstrap_dir}.img"
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_msg_info "Done!"
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rm -- "${pacstrap_dir}.img"
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}
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# Create a squashfs image containing the root file system and saves it on the ISO 9660 file system.
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_mkairootfs_squashfs() {
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[[ -e "${pacstrap_dir}" ]] || _msg_error "The path '${pacstrap_dir}' does not exist" 1
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install -d -m 0755 -- "${isofs_dir}/${install_dir}/${arch}"
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_msg_info "Creating SquashFS image, this may take some time..."
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_run_mksquashfs "${pacstrap_dir}"
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}
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# Create an EROFS image containing the root file system and saves it on the ISO 9660 file system.
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_mkairootfs_erofs() {
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local fsuuid
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[[ -e "${pacstrap_dir}" ]] || _msg_error "The path '${pacstrap_dir}' does not exist" 1
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install -d -m 0755 -- "${isofs_dir}/${install_dir}/${arch}"
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local image_path="${isofs_dir}/${install_dir}/${arch}/airootfs.erofs"
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# Generate reproducible file system UUID from SOURCE_DATE_EPOCH
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fsuuid="$(uuidgen --sha1 --namespace 93a870ff-8565-4cf3-a67b-f47299271a96 --name "${SOURCE_DATE_EPOCH}")"
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_msg_info "Creating EROFS image, this may take some time..."
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mkfs.erofs -U "${fsuuid}" "${airootfs_image_tool_options[@]}" -- "${image_path}" "${pacstrap_dir}"
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_msg_info "Done!"
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}
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# Create checksum file for the rootfs image.
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_mkchecksum() {
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_msg_info "Creating checksum file for self-test..."
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cd -- "${isofs_dir}/${install_dir}/${arch}"
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if [[ -e "${isofs_dir}/${install_dir}/${arch}/airootfs.sfs" ]]; then
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sha512sum airootfs.sfs > airootfs.sha512
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elif [[ -e "${isofs_dir}/${install_dir}/${arch}/airootfs.erofs" ]]; then
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sha512sum airootfs.erofs > airootfs.sha512
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fi
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cd -- "${OLDPWD}"
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_msg_info "Done!"
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}
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# GPG sign the root file system image.
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_mksignature() {
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_msg_info "Signing rootfs image..."
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cd -- "${isofs_dir}/${install_dir}/${arch}"
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# always use the .sig file extension, as that is what mkinitcpio-archiso's hooks expect
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if [[ -e "${isofs_dir}/${install_dir}/${arch}/airootfs.sfs" ]]; then
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gpg --output airootfs.sfs.sig --detach-sign --default-key "${gpg_key}" airootfs.sfs
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elif [[ -e "${isofs_dir}/${install_dir}/${arch}/airootfs.erofs" ]]; then
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gpg --output airootfs.erofs.sig --detach-sign --default-key "${gpg_key}" airootfs.erofs
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fi
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cd -- "${OLDPWD}"
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_msg_info "Done!"
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}
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# Helper function to run functions only one time.
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# $1: function name
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_run_once() {
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if [[ ! -e "${work_dir}/${run_once_mode}.${1}" ]]; then
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"$1"
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touch "${work_dir}/${run_once_mode}.${1}"
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fi
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}
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# Set up custom pacman.conf with custom cache and pacman hook directories.
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_make_pacman_conf() {
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local _cache_dirs _system_cache_dirs _profile_cache_dirs
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_system_cache_dirs="$(pacman-conf CacheDir| tr '\n' ' ')"
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_profile_cache_dirs="$(pacman-conf --config "${pacman_conf}" CacheDir| tr '\n' ' ')"
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# Only use the profile's CacheDir, if it is not the default and not the same as the system cache dir.
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if [[ "${_profile_cache_dirs}" != "/var/cache/pacman/pkg" ]] && \
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[[ "${_system_cache_dirs}" != "${_profile_cache_dirs}" ]]; then
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_cache_dirs="${_profile_cache_dirs}"
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else
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_cache_dirs="${_system_cache_dirs}"
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fi
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_msg_info "Copying custom pacman.conf to work directory..."
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_msg_info "Using pacman CacheDir: ${_cache_dirs}"
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# take the profile pacman.conf and strip all settings that would break in chroot when using pacman -r
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# append CacheDir and HookDir to [options] section
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# HookDir is *always* set to the airootfs' override directory
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# see `man 8 pacman` for further info
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pacman-conf --config "${pacman_conf}" | \
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sed "/CacheDir/d;/DBPath/d;/HookDir/d;/LogFile/d;/RootDir/d;/\[options\]/a CacheDir = ${_cache_dirs}
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/\[options\]/a HookDir = ${pacstrap_dir}/etc/pacman.d/hooks/" > "${work_dir}/${buildmode}.pacman.conf"
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}
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# Prepare working directory and copy custom root file system files.
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_make_custom_airootfs() {
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local passwd=()
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local filename permissions
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install -d -m 0755 -o 0 -g 0 -- "${pacstrap_dir}"
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if [[ -d "${profile}/airootfs" ]]; then
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_msg_info "Copying custom airootfs files..."
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cp -af --no-preserve=ownership,mode -- "${profile}/airootfs/." "${pacstrap_dir}"
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# Set ownership and mode for files and directories
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for filename in "${!file_permissions[@]}"; do
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IFS=':' read -ra permissions <<< "${file_permissions["${filename}"]}"
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# Prevent file path traversal outside of $pacstrap_dir
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if [[ "$(realpath -q -- "${pacstrap_dir}${filename}")" != "${pacstrap_dir}"* ]]; then
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_msg_error "Failed to set permissions on '${pacstrap_dir}${filename}'. Outside of valid path." 1
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# Warn if the file does not exist
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elif [[ ! -e "${pacstrap_dir}${filename}" ]]; then
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_msg_warning "Cannot change permissions of '${pacstrap_dir}${filename}'. The file or directory does not exist."
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else
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if [[ "${filename: -1}" == "/" ]]; then
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chown -fhR -- "${permissions[0]}:${permissions[1]}" "${pacstrap_dir}${filename}"
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chmod -fR -- "${permissions[2]}" "${pacstrap_dir}${filename}"
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else
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chown -fh -- "${permissions[0]}:${permissions[1]}" "${pacstrap_dir}${filename}"
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chmod -f -- "${permissions[2]}" "${pacstrap_dir}${filename}"
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fi
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fi
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done
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_msg_info "Done!"
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fi
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}
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# Install desired packages to the root file system
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_make_packages() {
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_msg_info "Installing packages to '${pacstrap_dir}/'..."
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if [[ -n "${gpg_key}" ]]; then
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exec {ARCHISO_GNUPG_FD}<>"${work_dir}/pubkey.gpg"
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export ARCHISO_GNUPG_FD
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fi
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# Unset TMPDIR to work around https://bugs.archlinux.org/task/70580
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if [[ "${quiet}" = "y" ]]; then
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env -u TMPDIR pacstrap -C "${work_dir}/${buildmode}.pacman.conf" -c -G -M -- "${pacstrap_dir}" "${buildmode_pkg_list[@]}" &> /dev/null
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else
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env -u TMPDIR pacstrap -C "${work_dir}/${buildmode}.pacman.conf" -c -G -M -- "${pacstrap_dir}" "${buildmode_pkg_list[@]}"
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fi
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if [[ -n "${gpg_key}" ]]; then
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exec {ARCHISO_GNUPG_FD}<&-
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unset ARCHISO_GNUPG_FD
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fi
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_msg_info "Done! Packages installed successfully."
|
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}
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# Customize installation.
|
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_make_customize_airootfs() {
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local passwd=()
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if [[ -e "${profile}/airootfs/etc/passwd" ]]; then
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_msg_info "Copying /etc/skel/* to user homes..."
|
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while IFS=':' read -a passwd -r; do
|
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# Only operate on UIDs in range 1000–59999
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(( passwd[2] >= 1000 && passwd[2] < 60000 )) || continue
|
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# Skip invalid home directories
|
||
[[ "${passwd[5]}" == '/' ]] && continue
|
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[[ -z "${passwd[5]}" ]] && continue
|
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# Prevent path traversal outside of $pacstrap_dir
|
||
if [[ "$(realpath -q -- "${pacstrap_dir}${passwd[5]}")" == "${pacstrap_dir}"* ]]; then
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if [[ ! -d "${pacstrap_dir}${passwd[5]}" ]]; then
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install -d -m 0750 -o "${passwd[2]}" -g "${passwd[3]}" -- "${pacstrap_dir}${passwd[5]}"
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fi
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cp -dnRT --preserve=mode,timestamps,links -- "${pacstrap_dir}/etc/skel/." "${pacstrap_dir}${passwd[5]}"
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chmod -f 0750 -- "${pacstrap_dir}${passwd[5]}"
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chown -hR -- "${passwd[2]}:${passwd[3]}" "${pacstrap_dir}${passwd[5]}"
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else
|
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_msg_error "Failed to set permissions on '${pacstrap_dir}${passwd[5]}'. Outside of valid path." 1
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fi
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done < "${profile}/airootfs/etc/passwd"
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_msg_info "Done!"
|
||
fi
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if [[ -e "${pacstrap_dir}/root/customize_airootfs.sh" ]]; then
|
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_msg_info "Running customize_airootfs.sh in '${pacstrap_dir}' chroot..."
|
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_msg_warning "customize_airootfs.sh is deprecated! Support for it will be removed in a future archiso version."
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chmod -f -- +x "${pacstrap_dir}/root/customize_airootfs.sh"
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# Unset TMPDIR to work around https://bugs.archlinux.org/task/70580
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eval -- env -u TMPDIR arch-chroot "${pacstrap_dir}" "/root/customize_airootfs.sh"
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rm -- "${pacstrap_dir}/root/customize_airootfs.sh"
|
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_msg_info "Done! customize_airootfs.sh run successfully."
|
||
fi
|
||
}
|
||
|
||
# Set up boot loaders
|
||
_make_bootmodes() {
|
||
local bootmode
|
||
for bootmode in "${bootmodes[@]}"; do
|
||
_run_once "_make_bootmode_${bootmode}"
|
||
done
|
||
}
|
||
|
||
# Copy kernel and initramfs to ISO 9660
|
||
_make_boot_on_iso9660() {
|
||
local ucode_image
|
||
_msg_info "Preparing kernel and initramfs for the ISO 9660 file system..."
|
||
install -d -m 0755 -- "${isofs_dir}/${install_dir}/boot/${arch}"
|
||
install -m 0644 -- "${pacstrap_dir}/boot/initramfs-"*".img" "${isofs_dir}/${install_dir}/boot/${arch}/"
|
||
install -m 0644 -- "${pacstrap_dir}/boot/vmlinuz-"* "${isofs_dir}/${install_dir}/boot/${arch}/"
|
||
|
||
for ucode_image in "${ucodes[@]}"; do
|
||
if [[ -e "${pacstrap_dir}/boot/${ucode_image}" ]]; then
|
||
install -m 0644 -- "${pacstrap_dir}/boot/${ucode_image}" "${isofs_dir}/${install_dir}/boot/"
|
||
if [[ -e "${pacstrap_dir}/usr/share/licenses/${ucode_image%.*}/" ]]; then
|
||
install -d -m 0755 -- "${isofs_dir}/${install_dir}/boot/licenses/${ucode_image%.*}/"
|
||
install -m 0644 -- "${pacstrap_dir}/usr/share/licenses/${ucode_image%.*}/"* \
|
||
"${isofs_dir}/${install_dir}/boot/licenses/${ucode_image%.*}/"
|
||
fi
|
||
fi
|
||
done
|
||
_msg_info "Done!"
|
||
}
|
||
|
||
# Prepare syslinux for booting from MBR (isohybrid)
|
||
_make_bootmode_bios.syslinux.mbr() {
|
||
_msg_info "Setting up SYSLINUX for BIOS booting from a disk..."
|
||
install -d -m 0755 -- "${isofs_dir}/syslinux"
|
||
for _cfg in "${profile}/syslinux/"*.cfg; do
|
||
sed "s|%ARCHISO_LABEL%|${iso_label}|g;
|
||
s|%INSTALL_DIR%|${install_dir}|g;
|
||
s|%ARCH%|${arch}|g" \
|
||
"${_cfg}" > "${isofs_dir}/syslinux/${_cfg##*/}"
|
||
done
|
||
if [[ -e "${profile}/syslinux/splash.png" ]]; then
|
||
install -m 0644 -- "${profile}/syslinux/splash.png" "${isofs_dir}/syslinux/"
|
||
fi
|
||
install -m 0644 -- "${pacstrap_dir}/usr/lib/syslinux/bios/"*.c32 "${isofs_dir}/syslinux/"
|
||
install -m 0644 -- "${pacstrap_dir}/usr/lib/syslinux/bios/lpxelinux.0" "${isofs_dir}/syslinux/"
|
||
install -m 0644 -- "${pacstrap_dir}/usr/lib/syslinux/bios/memdisk" "${isofs_dir}/syslinux/"
|
||
|
||
_run_once _make_boot_on_iso9660
|
||
|
||
if [[ -e "${isofs_dir}/syslinux/hdt.c32" ]]; then
|
||
install -d -m 0755 -- "${isofs_dir}/syslinux/hdt"
|
||
if [[ -e "${pacstrap_dir}/usr/share/hwdata/pci.ids" ]]; then
|
||
gzip -cn9 "${pacstrap_dir}/usr/share/hwdata/pci.ids" > \
|
||
"${isofs_dir}/syslinux/hdt/pciids.gz"
|
||
fi
|
||
find "${pacstrap_dir}/usr/lib/modules" -name 'modules.alias' -print -exec gzip -cn9 '{}' ';' -quit > \
|
||
"${isofs_dir}/syslinux/hdt/modalias.gz"
|
||
fi
|
||
|
||
# Add other aditional/extra files to ${install_dir}/boot/
|
||
if [[ -e "${pacstrap_dir}/boot/memtest86+/memtest.bin" ]]; then
|
||
# rename for PXE: https://wiki.archlinux.org/title/Syslinux#Using_memtest
|
||
install -m 0644 -- "${pacstrap_dir}/boot/memtest86+/memtest.bin" "${isofs_dir}/${install_dir}/boot/memtest"
|
||
install -d -m 0755 -- "${isofs_dir}/${install_dir}/boot/licenses/memtest86+/"
|
||
install -m 0644 -- "${pacstrap_dir}/usr/share/licenses/common/GPL2/license.txt" \
|
||
"${isofs_dir}/${install_dir}/boot/licenses/memtest86+/"
|
||
fi
|
||
_msg_info "Done! SYSLINUX set up for BIOS booting from a disk successfully."
|
||
}
|
||
|
||
# Prepare syslinux for El-Torito booting
|
||
_make_bootmode_bios.syslinux.eltorito() {
|
||
_msg_info "Setting up SYSLINUX for BIOS booting from an optical disc..."
|
||
install -d -m 0755 -- "${isofs_dir}/syslinux"
|
||
install -m 0644 -- "${pacstrap_dir}/usr/lib/syslinux/bios/isolinux.bin" "${isofs_dir}/syslinux/"
|
||
install -m 0644 -- "${pacstrap_dir}/usr/lib/syslinux/bios/isohdpfx.bin" "${isofs_dir}/syslinux/"
|
||
|
||
# ISOLINUX and SYSLINUX installation is shared
|
||
_run_once _make_bootmode_bios.syslinux.mbr
|
||
|
||
_msg_info "Done! SYSLINUX set up for BIOS booting from an optical disc successfully."
|
||
}
|
||
|
||
# Copy kernel and initramfs to FAT image
|
||
_make_boot_on_fat() {
|
||
local ucode_image all_ucode_images=()
|
||
_msg_info "Preparing kernel and initramfs for the FAT file system..."
|
||
mmd -i "${work_dir}/efiboot.img" \
|
||
"::/${install_dir}" "::/${install_dir}/boot" "::/${install_dir}/boot/${arch}"
|
||
mcopy -i "${work_dir}/efiboot.img" "${pacstrap_dir}/boot/vmlinuz-"* \
|
||
"${pacstrap_dir}/boot/initramfs-"*".img" "::/${install_dir}/boot/${arch}/"
|
||
for ucode_image in "${ucodes[@]}"; do
|
||
if [[ -e "${pacstrap_dir}/boot/${ucode_image}" ]]; then
|
||
all_ucode_images+=("${pacstrap_dir}/boot/${ucode_image}")
|
||
fi
|
||
done
|
||
if (( ${#all_ucode_images[@]} )); then
|
||
mcopy -i "${work_dir}/efiboot.img" "${all_ucode_images[@]}" "::/${install_dir}/boot/"
|
||
fi
|
||
_msg_info "Done!"
|
||
}
|
||
|
||
# Create a FAT image (efiboot.img) which will serve as the EFI system partition
|
||
# $1: image size in bytes
|
||
_make_efibootimg() {
|
||
local imgsize="0"
|
||
|
||
# Convert from bytes to KiB and round up to the next full MiB with an additional MiB for reserved sectors.
|
||
imgsize="$(awk 'function ceil(x){return int(x)+(x>int(x))}
|
||
function byte_to_kib(x){return x/1024}
|
||
function mib_to_kib(x){return x*1024}
|
||
END {print mib_to_kib(ceil((byte_to_kib($1)+1024)/1024))}' <<< "${1}"
|
||
)"
|
||
# The FAT image must be created with mkfs.fat not mformat, as some systems have issues with mformat made images:
|
||
# https://lists.gnu.org/archive/html/grub-devel/2019-04/msg00099.html
|
||
[[ -e "${work_dir}/efiboot.img" ]] && rm -f -- "${work_dir}/efiboot.img"
|
||
_msg_info "Creating FAT image of size: ${imgsize} KiB..."
|
||
mkfs.fat -C -n ARCHISO_EFI "${work_dir}/efiboot.img" "${imgsize}"
|
||
|
||
# Create the default/fallback boot path in which a boot loaders will be placed later.
|
||
mmd -i "${work_dir}/efiboot.img" ::/EFI ::/EFI/BOOT
|
||
}
|
||
|
||
# Prepare system-boot for booting when written to a disk (isohybrid)
|
||
_make_bootmode_uefi-x64.systemd-boot.esp() {
|
||
local _file efiboot_imgsize
|
||
local _available_ucodes=()
|
||
_msg_info "Setting up systemd-boot for UEFI booting..."
|
||
|
||
for _file in "${ucodes[@]}"; do
|
||
if [[ -e "${pacstrap_dir}/boot/${_file}" ]]; then
|
||
_available_ucodes+=("${pacstrap_dir}/boot/${_file}")
|
||
fi
|
||
done
|
||
# Calculate the required FAT image size in bytes
|
||
efiboot_imgsize="$(du -bc \
|
||
"${pacstrap_dir}/usr/lib/systemd/boot/efi/systemd-bootx64.efi" \
|
||
"${pacstrap_dir}/usr/share/edk2-shell/x64/Shell_Full.efi" \
|
||
"${profile}/efiboot/" \
|
||
"${pacstrap_dir}/boot/vmlinuz-"* \
|
||
"${pacstrap_dir}/boot/initramfs-"*".img" \
|
||
"${_available_ucodes[@]}" \
|
||
2>/dev/null | awk 'END { print $1 }')"
|
||
# Create a FAT image for the EFI system partition
|
||
_make_efibootimg "$efiboot_imgsize"
|
||
|
||
# Copy systemd-boot EFI binary to the default/fallback boot path
|
||
mcopy -i "${work_dir}/efiboot.img" \
|
||
"${pacstrap_dir}/usr/lib/systemd/boot/efi/systemd-bootx64.efi" ::/EFI/BOOT/BOOTx64.EFI
|
||
|
||
# Copy systemd-boot configuration files
|
||
mmd -i "${work_dir}/efiboot.img" ::/loader ::/loader/entries
|
||
mcopy -i "${work_dir}/efiboot.img" "${profile}/efiboot/loader/loader.conf" ::/loader/
|
||
for _conf in "${profile}/efiboot/loader/entries/"*".conf"; do
|
||
sed "s|%ARCHISO_LABEL%|${iso_label}|g;
|
||
s|%INSTALL_DIR%|${install_dir}|g;
|
||
s|%ARCH%|${arch}|g" \
|
||
"${_conf}" | mcopy -i "${work_dir}/efiboot.img" - "::/loader/entries/${_conf##*/}"
|
||
done
|
||
|
||
# shellx64.efi is picked up automatically when on /
|
||
if [[ -e "${pacstrap_dir}/usr/share/edk2-shell/x64/Shell_Full.efi" ]]; then
|
||
mcopy -i "${work_dir}/efiboot.img" \
|
||
"${pacstrap_dir}/usr/share/edk2-shell/x64/Shell_Full.efi" ::/shellx64.efi
|
||
fi
|
||
|
||
# Copy kernel and initramfs to FAT image.
|
||
# systemd-boot can only access files from the EFI system partition it was launched from.
|
||
_make_boot_on_fat
|
||
|
||
_msg_info "Done! systemd-boot set up for UEFI booting successfully."
|
||
}
|
||
|
||
# Prepare system-boot for El Torito booting
|
||
_make_bootmode_uefi-x64.systemd-boot.eltorito() {
|
||
# El Torito UEFI boot requires an image containing the EFI system partition.
|
||
# uefi-x64.systemd-boot.eltorito has the same requirements as uefi-x64.systemd-boot.esp
|
||
_run_once _make_bootmode_uefi-x64.systemd-boot.esp
|
||
|
||
# Additionally set up system-boot in ISO 9660. This allows creating a medium for the live environment by using
|
||
# manual partitioning and simply copying the ISO 9660 file system contents.
|
||
# This is not related to El Torito booting and no firmware uses these files.
|
||
_msg_info "Preparing an /EFI directory for the ISO 9660 file system..."
|
||
install -d -m 0755 -- "${isofs_dir}/EFI/BOOT"
|
||
|
||
# Copy systemd-boot EFI binary to the default/fallback boot path
|
||
install -m 0644 -- "${pacstrap_dir}/usr/lib/systemd/boot/efi/systemd-bootx64.efi" \
|
||
"${isofs_dir}/EFI/BOOT/BOOTx64.EFI"
|
||
|
||
# Copy systemd-boot configuration files
|
||
install -d -m 0755 -- "${isofs_dir}/loader/entries"
|
||
install -m 0644 -- "${profile}/efiboot/loader/loader.conf" "${isofs_dir}/loader/"
|
||
for _conf in "${profile}/efiboot/loader/entries/"*".conf"; do
|
||
sed "s|%ARCHISO_LABEL%|${iso_label}|g;
|
||
s|%INSTALL_DIR%|${install_dir}|g;
|
||
s|%ARCH%|${arch}|g" \
|
||
"${_conf}" > "${isofs_dir}/loader/entries/${_conf##*/}"
|
||
done
|
||
|
||
# edk2-shell based UEFI shell
|
||
# shellx64.efi is picked up automatically when on /
|
||
if [[ -e "${pacstrap_dir}/usr/share/edk2-shell/x64/Shell_Full.efi" ]]; then
|
||
install -m 0644 -- "${pacstrap_dir}/usr/share/edk2-shell/x64/Shell_Full.efi" "${isofs_dir}/shellx64.efi"
|
||
fi
|
||
|
||
_msg_info "Done!"
|
||
}
|
||
|
||
_validate_requirements_bootmode_bios.syslinux.mbr() {
|
||
# bios.syslinux.mbr requires bios.syslinux.eltorito
|
||
# shellcheck disable=SC2076
|
||
if [[ ! " ${bootmodes[*]} " =~ ' bios.syslinux.eltorito ' ]]; then
|
||
(( validation_error=validation_error+1 ))
|
||
_msg_error "Using 'bios.syslinux.mbr' boot mode without 'bios.syslinux.eltorito' is not supported." 0
|
||
fi
|
||
|
||
# Check if the syslinux package is in the package list
|
||
# shellcheck disable=SC2076
|
||
if [[ ! " ${pkg_list[*]} " =~ ' syslinux ' ]]; then
|
||
(( validation_error=validation_error+1 ))
|
||
_msg_error "Validating '${bootmode}': The 'syslinux' package is missing from the package list!" 0
|
||
fi
|
||
|
||
# Check if syslinux configuration files exist
|
||
if [[ ! -d "${profile}/syslinux" ]]; then
|
||
(( validation_error=validation_error+1 ))
|
||
_msg_error "Validating '${bootmode}': The '${profile}/syslinux' directory is missing!" 0
|
||
else
|
||
local cfgfile
|
||
for cfgfile in "${profile}/syslinux/"*'.cfg'; do
|
||
if [[ -e "${cfgfile}" ]]; then
|
||
break
|
||
else
|
||
(( validation_error=validation_error+1 ))
|
||
_msg_error "Validating '${bootmode}': No configuration file found in '${profile}/syslinux/'!" 0
|
||
fi
|
||
done
|
||
fi
|
||
|
||
# Check for optional packages
|
||
# shellcheck disable=SC2076
|
||
if [[ ! " ${pkg_list[*]} " =~ ' memtest86+ ' ]]; then
|
||
_msg_info "Validating '${bootmode}': 'memtest86+' is not in the package list. Memmory testing will not be available from syslinux."
|
||
fi
|
||
}
|
||
|
||
_validate_requirements_bootmode_bios.syslinux.eltorito() {
|
||
# bios.syslinux.eltorito has the exact same requirements as bios.syslinux.mbr
|
||
_validate_requirements_bootmode_bios.syslinux.mbr
|
||
}
|
||
|
||
_validate_requirements_bootmode_uefi-x64.systemd-boot.esp() {
|
||
# Check if mkfs.fat is available
|
||
if ! command -v mkfs.fat &> /dev/null; then
|
||
(( validation_error=validation_error+1 ))
|
||
_msg_error "Validating '${bootmode}': mkfs.fat is not available on this host. Install 'dosfstools'!" 0
|
||
fi
|
||
|
||
# Check if mmd and mcopy are available
|
||
if ! { command -v mmd &> /dev/null && command -v mcopy &> /dev/null; }; then
|
||
_msg_error "Validating '${bootmode}': mmd and/or mcopy are not available on this host. Install 'mtools'!" 0
|
||
fi
|
||
|
||
# Check if systemd-boot configuration files exist
|
||
if [[ ! -d "${profile}/efiboot/loader/entries" ]]; then
|
||
(( validation_error=validation_error+1 ))
|
||
_msg_error "Validating '${bootmode}': The '${profile}/efiboot/loader/entries' directory is missing!" 0
|
||
else
|
||
if [[ ! -e "${profile}/efiboot/loader/loader.conf" ]]; then
|
||
(( validation_error=validation_error+1 ))
|
||
_msg_error "Validating '${bootmode}': File '${profile}/efiboot/loader/loader.conf' not found!" 0
|
||
fi
|
||
local conffile
|
||
for conffile in "${profile}/efiboot/loader/entries/"*'.conf'; do
|
||
if [[ -e "${conffile}" ]]; then
|
||
break
|
||
else
|
||
(( validation_error=validation_error+1 ))
|
||
_msg_error "Validating '${bootmode}': No configuration file found in '${profile}/efiboot/loader/entries/'!" 0
|
||
fi
|
||
done
|
||
fi
|
||
|
||
# Check for optional packages
|
||
# shellcheck disable=SC2076
|
||
if [[ ! " ${pkg_list[*]} " =~ ' edk2-shell ' ]]; then
|
||
_msg_info "'edk2-shell' is not in the package list. The ISO will not contain a bootable UEFI shell."
|
||
fi
|
||
}
|
||
|
||
_validate_requirements_bootmode_uefi-x64.systemd-boot.eltorito() {
|
||
# uefi-x64.systemd-boot.eltorito has the exact same requirements as uefi-x64.systemd-boot.esp
|
||
_validate_requirements_bootmode_uefi-x64.systemd-boot.esp
|
||
}
|
||
|
||
# Build airootfs filesystem image
|
||
_prepare_airootfs_image() {
|
||
_run_once "_mkairootfs_${airootfs_image_type}"
|
||
_mkchecksum
|
||
if [[ -n "${gpg_key}" ]]; then
|
||
_mksignature
|
||
fi
|
||
}
|
||
|
||
# export build artifacts for netboot
|
||
_export_netboot_artifacts() {
|
||
_msg_info "Exporting netboot artifacts..."
|
||
install -d -m 0755 "${out_dir}"
|
||
cp -a -- "${isofs_dir}/${install_dir}/" "${out_dir}/"
|
||
_msg_info "Done!"
|
||
du -h -- "${out_dir}/${install_dir}"
|
||
}
|
||
|
||
# sign build artifacts for netboot
|
||
_sign_netboot_artifacts() {
|
||
local _file _dir
|
||
local _files_to_sign=()
|
||
_msg_info "Signing netboot artifacts..."
|
||
_dir="${isofs_dir}/${install_dir}/boot/"
|
||
for _file in "${ucodes[@]}"; do
|
||
if [[ -e "${_dir}${_file}" ]]; then
|
||
_files_to_sign+=("${_dir}${_file}")
|
||
fi
|
||
done
|
||
for _file in "${_files_to_sign[@]}" "${_dir}${arch}/vmlinuz-"* "${_dir}${arch}/initramfs-"*.img; do
|
||
openssl cms \
|
||
-sign \
|
||
-binary \
|
||
-noattr \
|
||
-in "${_file}" \
|
||
-signer "${cert_list[0]}" \
|
||
-inkey "${cert_list[1]}" \
|
||
-outform DER \
|
||
-out "${_file}".ipxe.sig
|
||
done
|
||
_msg_info "Done!"
|
||
}
|
||
|
||
_validate_requirements_airootfs_image_type_squashfs() {
|
||
if ! command -v mksquashfs &> /dev/null; then
|
||
(( validation_error=validation_error+1 ))
|
||
_msg_error "Validating '${airootfs_image_type}': mksquashfs is not available on this host. Install 'squashfs-tools'!" 0
|
||
fi
|
||
}
|
||
|
||
_validate_requirements_airootfs_image_type_ext4+squashfs() {
|
||
if ! { command -v mkfs.ext4 &> /dev/null && command -v tune2fs &> /dev/null; }; then
|
||
(( validation_error=validation_error+1 ))
|
||
_msg_error "Validating '${airootfs_image_type}': mkfs.ext4 and/or tune2fs is not available on this host. Install 'e2fsprogs'!" 0
|
||
fi
|
||
_validate_requirements_airootfs_image_type_squashfs
|
||
}
|
||
|
||
_validate_requirements_airootfs_image_type_erofs() {
|
||
if ! command -v mkfs.erofs; then
|
||
(( validation_error=validation_error+1 ))
|
||
_msg_error "Validating '${airootfs_image_type}': mkfs.erofs is not available on this host. Install 'erofs-utils'!" 0
|
||
fi
|
||
}
|
||
|
||
_validate_requirements_buildmode_all() {
|
||
if ! command -v pacman &> /dev/null; then
|
||
(( validation_error=validation_error+1 ))
|
||
_msg_error "Validating build mode '${_buildmode}': pacman is not available on this host. Install 'pacman'!" 0
|
||
fi
|
||
if ! command -v find &> /dev/null; then
|
||
(( validation_error=validation_error+1 ))
|
||
_msg_error "Validating build mode '${_buildmode}': find is not available on this host. Install 'findutils'!" 0
|
||
fi
|
||
if ! command -v gzip &> /dev/null; then
|
||
(( validation_error=validation_error+1 ))
|
||
_msg_error "Validating build mode '${_buildmode}': gzip is not available on this host. Install 'gzip'!" 0
|
||
fi
|
||
}
|
||
|
||
_validate_requirements_buildmode_bootstrap() {
|
||
_validate_requirements_buildmode_all
|
||
if ! command -v bsdtar &> /dev/null; then
|
||
(( validation_error=validation_error+1 ))
|
||
_msg_error "Validating build mode '${_buildmode}': bsdtar is not available on this host. Install 'libarchive'!" 0
|
||
fi
|
||
}
|
||
|
||
_validate_requirements_buildmode_iso() {
|
||
_validate_requirements_buildmode_all
|
||
if ! command -v awk &> /dev/null; then
|
||
(( validation_error=validation_error+1 ))
|
||
_msg_error "Validating build mode '${_buildmode}': awk is not available on this host. Install 'awk'!" 0
|
||
fi
|
||
}
|
||
|
||
_validate_requirements_buildmode_netboot() {
|
||
_validate_requirements_buildmode_all
|
||
if ! command -v openssl &> /dev/null; then
|
||
(( validation_error=validation_error+1 ))
|
||
_msg_error "Validating build mode '${_buildmode}': openssl is not available on this host. Install 'openssl'!" 0
|
||
fi
|
||
}
|
||
|
||
# SYSLINUX El Torito
|
||
_add_xorrisofs_options_bios.syslinux.eltorito() {
|
||
xorrisofs_options+=(
|
||
# El Torito boot image for x86 BIOS
|
||
'-eltorito-boot' 'syslinux/isolinux.bin'
|
||
# El Torito boot catalog file
|
||
'-eltorito-catalog' 'syslinux/boot.cat'
|
||
# Required options to boot with ISOLINUX
|
||
'-no-emul-boot' '-boot-load-size' '4' '-boot-info-table'
|
||
)
|
||
}
|
||
|
||
# SYSLINUX MBR (isohybrid)
|
||
_add_xorrisofs_options_bios.syslinux.mbr() {
|
||
xorrisofs_options+=(
|
||
# SYSLINUX MBR bootstrap code; does not work without "-eltorito-boot syslinux/isolinux.bin"
|
||
'-isohybrid-mbr' "${isofs_dir}/syslinux/isohdpfx.bin"
|
||
# When GPT is used, create an additional partition in the MBR (besides 0xEE) for sectors 0–1 (MBR
|
||
# bootstrap code area) and mark it as bootable
|
||
# May allow booting on some systems
|
||
# https://wiki.archlinux.org/title/Partitioning#Tricking_old_BIOS_into_booting_from_GPT
|
||
'--mbr-force-bootable'
|
||
# Move the first partition away from the start of the ISO to match the expectations of partition editors
|
||
# May allow booting on some systems
|
||
# https://dev.lovelyhq.com/libburnia/libisoburn/src/branch/master/doc/partition_offset.wiki
|
||
'-partition_offset' '16'
|
||
)
|
||
}
|
||
|
||
# systemd-boot in an attached EFI system partition
|
||
_add_xorrisofs_options_uefi-x64.systemd-boot.esp() {
|
||
# Move the first partition away from the start of the ISO, otherwise the GPT will not be valid and ISO 9660
|
||
# partition will not be mountable
|
||
# shellcheck disable=SC2076
|
||
[[ " ${xorrisofs_options[*]} " =~ ' -partition_offset ' ]] || xorrisofs_options+=('-partition_offset' '16')
|
||
# Attach efiboot.img as a second partition and set its partition type to "EFI system partition"
|
||
xorrisofs_options+=('-append_partition' '2' 'C12A7328-F81F-11D2-BA4B-00A0C93EC93B' "${work_dir}/efiboot.img")
|
||
# Ensure GPT is used as some systems do not support UEFI booting without it
|
||
# shellcheck disable=SC2076
|
||
if [[ " ${bootmodes[*]} " =~ ' bios.syslinux.mbr ' ]]; then
|
||
# A valid GPT prevents BIOS booting on some systems, instead use an invalid GPT (without a protective MBR).
|
||
# The attached partition will have the EFI system partition type code in MBR, but in the invalid GPT it will
|
||
# have a Microsoft basic partition type code.
|
||
if [[ ! " ${bootmodes[*]} " =~ ' uefi-x64.systemd-boot.eltorito ' ]]; then
|
||
# If '-isohybrid-gpt-basdat' is specified before '-e', then the appended EFI system partition will have the
|
||
# EFI system partition type ID/GUID in both MBR and GPT. If '-isohybrid-gpt-basdat' is specified after '-e',
|
||
# the appended EFI system partition will have the Microsoft basic data type GUID in GPT.
|
||
if [[ ! " ${xorrisofs_options[*]} " =~ ' -isohybrid-gpt-basdat ' ]]; then
|
||
xorrisofs_options+=('-isohybrid-gpt-basdat')
|
||
fi
|
||
fi
|
||
else
|
||
# Use valid GPT if BIOS booting support will not be required
|
||
xorrisofs_options+=('-appended_part_as_gpt')
|
||
fi
|
||
}
|
||
|
||
# systemd-boot via El Torito
|
||
_add_xorrisofs_options_uefi-x64.systemd-boot.eltorito() {
|
||
# shellcheck disable=SC2076
|
||
if [[ " ${bootmodes[*]} " =~ ' uefi-x64.systemd-boot.esp ' ]]; then
|
||
# systemd-boot in an attached EFI system partition via El Torito
|
||
xorrisofs_options+=(
|
||
# Start a new El Torito boot entry for UEFI
|
||
'-eltorito-alt-boot'
|
||
# Set the second partition as the El Torito UEFI boot image
|
||
'-e' '--interval:appended_partition_2:all::'
|
||
# Boot image is not emulating floppy or hard disk; required for all known boot loaders
|
||
'-no-emul-boot'
|
||
)
|
||
# A valid GPT prevents BIOS booting on some systems, use an invalid GPT instead.
|
||
if [[ " ${bootmodes[*]} " =~ ' bios.syslinux.mbr ' ]]; then
|
||
# If '-isohybrid-gpt-basdat' is specified before '-e', then the appended EFI system partition will have the
|
||
# EFI system partition type ID/GUID in both MBR and GPT. If '-isohybrid-gpt-basdat' is specified after '-e',
|
||
# the appended EFI system partition will have the Microsoft basic data type GUID in GPT.
|
||
if [[ ! " ${xorrisofs_options[*]} " =~ ' -isohybrid-gpt-basdat ' ]]; then
|
||
xorrisofs_options+=('-isohybrid-gpt-basdat')
|
||
fi
|
||
fi
|
||
else
|
||
# The ISO will not contain a GPT partition table, so to be able to reference efiboot.img, place it as a
|
||
# file inside the ISO 9660 file system
|
||
install -d -m 0755 -- "${isofs_dir}/EFI/archiso"
|
||
cp -a -- "${work_dir}/efiboot.img" "${isofs_dir}/EFI/archiso/efiboot.img"
|
||
# systemd-boot in an embedded efiboot.img via El Torito
|
||
xorrisofs_options+=(
|
||
# Start a new El Torito boot entry for UEFI
|
||
'-eltorito-alt-boot'
|
||
# Set efiboot.img as the El Torito UEFI boot image
|
||
'-e' 'EFI/archiso/efiboot.img'
|
||
# Boot image is not emulating floppy or hard disk; required for all known boot loaders
|
||
'-no-emul-boot'
|
||
)
|
||
fi
|
||
# Specify where to save the El Torito boot catalog file in case it is not already set by bios.syslinux.eltorito
|
||
# shellcheck disable=SC2076
|
||
[[ " ${bootmodes[*]} " =~ ' bios.' ]] || xorrisofs_options+=('-eltorito-catalog' 'EFI/boot.cat')
|
||
}
|
||
|
||
# Build bootstrap image
|
||
_build_bootstrap_image() {
|
||
local _bootstrap_parent
|
||
_bootstrap_parent="$(dirname -- "${pacstrap_dir}")"
|
||
|
||
[[ -d "${out_dir}" ]] || install -d -- "${out_dir}"
|
||
|
||
cd -- "${_bootstrap_parent}"
|
||
|
||
_msg_info "Creating bootstrap image..."
|
||
bsdtar -cf - "root.${arch}" | gzip -cn9 > "${out_dir}/${image_name}"
|
||
_msg_info "Done!"
|
||
du -h -- "${out_dir}/${image_name}"
|
||
cd -- "${OLDPWD}"
|
||
}
|
||
|
||
# Build ISO
|
||
_build_iso_image() {
|
||
local xorrisofs_options=()
|
||
local bootmode
|
||
|
||
[[ -d "${out_dir}" ]] || install -d -- "${out_dir}"
|
||
|
||
[[ "${quiet}" == "y" ]] && xorrisofs_options+=('-quiet')
|
||
|
||
# Add required xorrisofs options for each boot mode
|
||
for bootmode in "${bootmodes[@]}"; do
|
||
typeset -f "_add_xorrisofs_options_${bootmode}" &> /dev/null && "_add_xorrisofs_options_${bootmode}"
|
||
done
|
||
|
||
_msg_info "Creating ISO image..."
|
||
xorriso -as mkisofs \
|
||
-iso-level 3 \
|
||
-full-iso9660-filenames \
|
||
-joliet \
|
||
-joliet-long \
|
||
-rational-rock \
|
||
-volid "${iso_label}" \
|
||
-appid "${iso_application}" \
|
||
-publisher "${iso_publisher}" \
|
||
-preparer "prepared by ${app_name}" \
|
||
"${xorrisofs_options[@]}" \
|
||
-output "${out_dir}/${image_name}" \
|
||
"${isofs_dir}/"
|
||
_msg_info "Done!"
|
||
du -h -- "${out_dir}/${image_name}"
|
||
}
|
||
|
||
# Read profile's values from profiledef.sh
|
||
_read_profile() {
|
||
if [[ -z "${profile}" ]]; then
|
||
_msg_error "No profile specified!" 1
|
||
fi
|
||
if [[ ! -d "${profile}" ]]; then
|
||
_msg_error "Profile '${profile}' does not exist!" 1
|
||
elif [[ ! -e "${profile}/profiledef.sh" ]]; then
|
||
_msg_error "Profile '${profile}' is missing 'profiledef.sh'!" 1
|
||
else
|
||
cd -- "${profile}"
|
||
|
||
# Source profile's variables
|
||
# shellcheck source=configs/releng/profiledef.sh
|
||
. "${profile}/profiledef.sh"
|
||
|
||
# Resolve paths of files that are expected to reside in the profile's directory
|
||
[[ -n "$packages" ]] || packages="${profile}/packages.${arch}"
|
||
packages="$(realpath -- "${packages}")"
|
||
pacman_conf="$(realpath -- "${pacman_conf}")"
|
||
|
||
# Resolve paths of files that may reside in the profile's directory
|
||
if [[ -z "$bootstrap_packages" ]] && [[ -e "${profile}/bootstrap_packages.${arch}" ]]; then
|
||
bootstrap_packages="${profile}/bootstrap_packages.${arch}"
|
||
bootstrap_packages="$(realpath -- "${bootstrap_packages}")"
|
||
pacman_conf="$(realpath -- "${pacman_conf}")"
|
||
fi
|
||
|
||
cd -- "${OLDPWD}"
|
||
fi
|
||
}
|
||
|
||
# Validate set options
|
||
_validate_options() {
|
||
local validation_error=0 bootmode _cert _buildmode
|
||
local pkg_list_from_file=()
|
||
local bootstrap_pkg_list_from_file=()
|
||
local _override_cert_list=()
|
||
|
||
_msg_info "Validating options..."
|
||
# Check if the package list file exists and read packages from it
|
||
if [[ -e "${packages}" ]]; then
|
||
mapfile -t pkg_list_from_file < <(sed '/^[[:blank:]]*#.*/d;s/#.*//;/^[[:blank:]]*$/d' "${packages}")
|
||
pkg_list+=("${pkg_list_from_file[@]}")
|
||
if (( ${#pkg_list_from_file} < 1 )); then
|
||
(( validation_error=validation_error+1 ))
|
||
_msg_error "No package specified in '${packages}'." 0
|
||
fi
|
||
else
|
||
(( validation_error=validation_error+1 ))
|
||
_msg_error "Packages file '${packages}' does not exist." 0
|
||
fi
|
||
|
||
# Check if packages for the bootstrap image are specified
|
||
if [[ "${buildmodes[*]}" == *bootstrap* ]]; then
|
||
if [[ -e "${bootstrap_packages}" ]]; then
|
||
mapfile -t bootstrap_pkg_list_from_file < \
|
||
<(sed '/^[[:blank:]]*#.*/d;s/#.*//;/^[[:blank:]]*$/d' "${bootstrap_packages}")
|
||
bootstrap_pkg_list+=("${bootstrap_pkg_list_from_file[@]}")
|
||
if (( ${#bootstrap_pkg_list_from_file} < 1 )); then
|
||
(( validation_error=validation_error+1 ))
|
||
_msg_error "No package specified in '${bootstrap_packages}'." 0
|
||
fi
|
||
else
|
||
(( validation_error=validation_error+1 ))
|
||
_msg_error "Bootstrap packages file '${bootstrap_packages}' does not exist." 0
|
||
fi
|
||
fi
|
||
if [[ "${sign_netboot_artifacts}" == "y" ]]; then
|
||
# Check if the certificate files exist
|
||
for _cert in "${cert_list[@]}"; do
|
||
if [[ -e "${_cert}" ]]; then
|
||
_override_cert_list+=("$(realpath -- "${_cert}")")
|
||
else
|
||
(( validation_error=validation_error+1 ))
|
||
_msg_error "File '${_cert}' does not exist." 0
|
||
fi
|
||
done
|
||
cert_list=("${_override_cert_list[@]}")
|
||
# Check if there are at least two certificate files
|
||
if (( "${#cert_list[@]}" < 2 )); then
|
||
(( validation_error=validation_error+1 ))
|
||
_msg_error "Two certificates are required for codesigning, but '${cert_list[*]}' is provided." 0
|
||
fi
|
||
fi
|
||
# Check if pacman configuration file exists
|
||
if [[ ! -e "${pacman_conf}" ]]; then
|
||
(( validation_error=validation_error+1 ))
|
||
_msg_error "File '${pacman_conf}' does not exist." 0
|
||
fi
|
||
|
||
# Check if the specified buildmodes are supported
|
||
for _buildmode in "${buildmodes[@]}"; do
|
||
if typeset -f "_build_buildmode_${_buildmode}" &> /dev/null; then
|
||
if typeset -f "_validate_requirements_buildmode_${_buildmode}" &> /dev/null; then
|
||
"_validate_requirements_buildmode_${_buildmode}"
|
||
else
|
||
_msg_warning "Function '_validate_requirements_buildmode_${_buildmode}' does not exist. Validating the requirements of '${_buildmode}' build mode will not be possible."
|
||
fi
|
||
else
|
||
(( validation_error=validation_error+1 ))
|
||
_msg_error "${_buildmode} is not a valid build mode!" 0
|
||
fi
|
||
done
|
||
|
||
# Check if the specified bootmodes are supported
|
||
for bootmode in "${bootmodes[@]}"; do
|
||
if typeset -f "_make_bootmode_${bootmode}" &> /dev/null; then
|
||
if typeset -f "_validate_requirements_bootmode_${bootmode}" &> /dev/null; then
|
||
"_validate_requirements_bootmode_${bootmode}"
|
||
else
|
||
_msg_warning "Function '_validate_requirements_bootmode_${bootmode}' does not exist. Validating the requirements of '${bootmode}' boot mode will not be possible."
|
||
fi
|
||
else
|
||
(( validation_error=validation_error+1 ))
|
||
_msg_error "${bootmode} is not a valid boot mode!" 0
|
||
fi
|
||
done
|
||
# Check if the specified airootfs_image_type is supported
|
||
if typeset -f "_mkairootfs_${airootfs_image_type}" &> /dev/null; then
|
||
if typeset -f "_validate_requirements_airootfs_image_type_${airootfs_image_type}" &> /dev/null; then
|
||
"_validate_requirements_airootfs_image_type_${airootfs_image_type}"
|
||
else
|
||
_msg_warning "Function '_validate_requirements_airootfs_image_type_${airootfs_image_type}' does not exist. Validating the requirements of '${airootfs_image_type}' airootfs image type will not be possible."
|
||
fi
|
||
else
|
||
(( validation_error=validation_error+1 ))
|
||
_msg_error "Unsupported image type: '${airootfs_image_type}'" 0
|
||
fi
|
||
|
||
if (( validation_error )); then
|
||
_msg_error "${validation_error} errors were encountered while validating the profile. Aborting." 1
|
||
fi
|
||
_msg_info "Done!"
|
||
}
|
||
|
||
# Set defaults and, if present, overrides from mkarchiso command line option parameters
|
||
_set_overrides() {
|
||
# Set variables that have command line overrides
|
||
[[ ! -v override_buildmodes ]] || buildmodes=("${override_buildmodes[@]}")
|
||
if (( "${#buildmodes[@]}" < 1 )); then
|
||
buildmodes+=('iso')
|
||
fi
|
||
if [[ -v override_work_dir ]]; then
|
||
work_dir="$override_work_dir"
|
||
elif [[ -z "$work_dir" ]]; then
|
||
work_dir='./work'
|
||
fi
|
||
work_dir="$(realpath -- "$work_dir")"
|
||
if [[ -v override_out_dir ]]; then
|
||
out_dir="$override_out_dir"
|
||
elif [[ -z "$out_dir" ]]; then
|
||
out_dir='./out'
|
||
fi
|
||
out_dir="$(realpath -- "$out_dir")"
|
||
if [[ -v override_pacman_conf ]]; then
|
||
pacman_conf="$override_pacman_conf"
|
||
elif [[ -z "$pacman_conf" ]]; then
|
||
pacman_conf="/etc/pacman.conf"
|
||
fi
|
||
pacman_conf="$(realpath -- "$pacman_conf")"
|
||
[[ ! -v override_pkg_list ]] || pkg_list+=("${override_pkg_list[@]}")
|
||
# TODO: allow overriding bootstrap_pkg_list
|
||
if [[ -v override_iso_label ]]; then
|
||
iso_label="$override_iso_label"
|
||
elif [[ -z "$iso_label" ]]; then
|
||
iso_label="${app_name^^}"
|
||
fi
|
||
if [[ -v override_iso_publisher ]]; then
|
||
iso_publisher="$override_iso_publisher"
|
||
elif [[ -z "$iso_publisher" ]]; then
|
||
iso_publisher="${app_name}"
|
||
fi
|
||
if [[ -v override_iso_application ]]; then
|
||
iso_application="$override_iso_application"
|
||
elif [[ -z "$iso_application" ]]; then
|
||
iso_application="${app_name} iso"
|
||
fi
|
||
if [[ -v override_install_dir ]]; then
|
||
install_dir="$override_install_dir"
|
||
elif [[ -z "$install_dir" ]]; then
|
||
install_dir="${app_name}"
|
||
fi
|
||
[[ ! -v override_gpg_key ]] || gpg_key="$override_gpg_key"
|
||
if [[ -v override_cert_list ]]; then
|
||
sign_netboot_artifacts="y"
|
||
fi
|
||
[[ ! -v override_cert_list ]] || cert_list+=("${override_cert_list[@]}")
|
||
if [[ -v override_quiet ]]; then
|
||
quiet="$override_quiet"
|
||
elif [[ -z "$quiet" ]]; then
|
||
quiet="y"
|
||
fi
|
||
|
||
# Set variables that do not have overrides
|
||
[[ -n "$arch" ]] || arch="$(uname -m)"
|
||
[[ -n "$airootfs_image_type" ]] || airootfs_image_type="squashfs"
|
||
[[ -n "$iso_name" ]] || iso_name="${app_name}"
|
||
}
|
||
|
||
_export_gpg_publickey() {
|
||
gpg --batch --output "${work_dir}/pubkey.gpg" --export "${gpg_key}"
|
||
}
|
||
|
||
_make_version() {
|
||
local _os_release
|
||
|
||
_msg_info "Creating version files..."
|
||
# Write version file to system installation dir
|
||
rm -f -- "${pacstrap_dir}/version"
|
||
printf '%s\n' "${iso_version}" > "${pacstrap_dir}/version"
|
||
|
||
if [[ "${buildmode}" == "iso" ]]; then
|
||
install -d -m 0755 -- "${isofs_dir}/${install_dir}"
|
||
# Write version file to ISO 9660
|
||
printf '%s\n' "${iso_version}" > "${isofs_dir}/${install_dir}/version"
|
||
# Write grubenv with version information to ISO 9660
|
||
printf '%.1024s' "$(printf '# GRUB Environment Block\nNAME=%s\nVERSION=%s\n%s' \
|
||
"${iso_name}" "${iso_version}" "$(printf '%0.1s' "#"{1..1024})")" \
|
||
> "${isofs_dir}/${install_dir}/grubenv"
|
||
fi
|
||
|
||
# Append IMAGE_ID & IMAGE_VERSION to os-release
|
||
_os_release="$(realpath -- "${pacstrap_dir}/etc/os-release")"
|
||
if [[ ! -e "${pacstrap_dir}/etc/os-release" && -e "${pacstrap_dir}/usr/lib/os-release" ]]; then
|
||
_os_release="$(realpath -- "${pacstrap_dir}/usr/lib/os-release")"
|
||
fi
|
||
if [[ "${_os_release}" != "${pacstrap_dir}"* ]]; then
|
||
_msg_warning "os-release file '${_os_release}' is outside of valid path."
|
||
else
|
||
[[ ! -e "${_os_release}" ]] || sed -i '/^IMAGE_ID=/d;/^IMAGE_VERSION=/d' "${_os_release}"
|
||
printf 'IMAGE_ID=%s\nIMAGE_VERSION=%s\n' "${iso_name}" "${iso_version}" >> "${_os_release}"
|
||
fi
|
||
_msg_info "Done!"
|
||
}
|
||
|
||
_make_pkglist() {
|
||
_msg_info "Creating a list of installed packages on live-enviroment..."
|
||
case "${buildmode}" in
|
||
"bootstrap")
|
||
pacman -Q --sysroot "${pacstrap_dir}" > "${pacstrap_dir}/pkglist.${arch}.txt"
|
||
;;
|
||
"iso"|"netboot")
|
||
install -d -m 0755 -- "${isofs_dir}/${install_dir}"
|
||
pacman -Q --sysroot "${pacstrap_dir}" > "${isofs_dir}/${install_dir}/pkglist.${arch}.txt"
|
||
;;
|
||
esac
|
||
_msg_info "Done!"
|
||
}
|
||
|
||
# build the base for an ISO and/or a netboot target
|
||
_build_iso_base() {
|
||
local run_once_mode="base"
|
||
local buildmode_packages="${packages}"
|
||
# Set the package list to use
|
||
local buildmode_pkg_list=("${pkg_list[@]}")
|
||
# Set up essential directory paths
|
||
pacstrap_dir="${work_dir}/${arch}/airootfs"
|
||
isofs_dir="${work_dir}/iso"
|
||
|
||
# Create working directory
|
||
[[ -d "${work_dir}" ]] || install -d -- "${work_dir}"
|
||
# Write build date to file or if the file exists, read it from there
|
||
if [[ -e "${work_dir}/build_date" ]]; then
|
||
SOURCE_DATE_EPOCH="$(<"${work_dir}/build_date")"
|
||
else
|
||
printf '%s\n' "$SOURCE_DATE_EPOCH" > "${work_dir}/build_date"
|
||
fi
|
||
|
||
[[ "${quiet}" == "y" ]] || _show_config
|
||
_run_once _make_pacman_conf
|
||
[[ -z "${gpg_key}" ]] || _run_once _export_gpg_publickey
|
||
_run_once _make_custom_airootfs
|
||
_run_once _make_packages
|
||
_run_once _make_version
|
||
_run_once _make_customize_airootfs
|
||
_run_once _make_pkglist
|
||
_make_bootmodes
|
||
_run_once _cleanup_pacstrap_dir
|
||
_run_once _prepare_airootfs_image
|
||
}
|
||
|
||
# Build the bootstrap buildmode
|
||
_build_buildmode_bootstrap() {
|
||
local image_name="${iso_name}-bootstrap-${iso_version}-${arch}.tar.gz"
|
||
local run_once_mode="${buildmode}"
|
||
local buildmode_packages="${bootstrap_packages}"
|
||
# Set the package list to use
|
||
local buildmode_pkg_list=("${bootstrap_pkg_list[@]}")
|
||
|
||
# Set up essential directory paths
|
||
pacstrap_dir="${work_dir}/${arch}/bootstrap/root.${arch}"
|
||
[[ -d "${work_dir}" ]] || install -d -- "${work_dir}"
|
||
install -d -m 0755 -o 0 -g 0 -- "${pacstrap_dir}"
|
||
|
||
[[ "${quiet}" == "y" ]] || _show_config
|
||
_run_once _make_pacman_conf
|
||
_run_once _make_packages
|
||
_run_once _make_version
|
||
_run_once _make_pkglist
|
||
_run_once _cleanup_pacstrap_dir
|
||
_run_once _build_bootstrap_image
|
||
}
|
||
|
||
# Build the netboot buildmode
|
||
_build_buildmode_netboot() {
|
||
local run_once_mode="${buildmode}"
|
||
|
||
_run_once _build_iso_base
|
||
if [[ -v cert_list ]]; then
|
||
_run_once _sign_netboot_artifacts
|
||
fi
|
||
_run_once _export_netboot_artifacts
|
||
}
|
||
|
||
# Build the ISO buildmode
|
||
_build_buildmode_iso() {
|
||
local image_name="${iso_name}-${iso_version}-${arch}.iso"
|
||
local run_once_mode="${buildmode}"
|
||
_run_once _build_iso_base
|
||
_run_once _build_iso_image
|
||
}
|
||
|
||
# build all buildmodes
|
||
_build() {
|
||
local buildmode
|
||
local run_once_mode="build"
|
||
|
||
for buildmode in "${buildmodes[@]}"; do
|
||
_run_once "_build_buildmode_${buildmode}"
|
||
done
|
||
}
|
||
|
||
while getopts 'c:p:C:L:P:A:D:w:m:o:g:vh?' arg; do
|
||
case "${arg}" in
|
||
p) read -r -a override_pkg_list <<< "${OPTARG}" ;;
|
||
C) override_pacman_conf="${OPTARG}" ;;
|
||
L) override_iso_label="${OPTARG}" ;;
|
||
P) override_iso_publisher="${OPTARG}" ;;
|
||
A) override_iso_application="${OPTARG}" ;;
|
||
D) override_install_dir="${OPTARG}" ;;
|
||
c) read -r -a override_cert_list <<< "${OPTARG}" ;;
|
||
w) override_work_dir="${OPTARG}" ;;
|
||
m) read -r -a override_buildmodes <<< "${OPTARG}" ;;
|
||
o) override_out_dir="${OPTARG}" ;;
|
||
g) override_gpg_key="${OPTARG}" ;;
|
||
v) override_quiet="n" ;;
|
||
h|?) _usage 0 ;;
|
||
*)
|
||
_msg_error "Invalid argument '${arg}'" 0
|
||
_usage 1
|
||
;;
|
||
esac
|
||
done
|
||
|
||
shift $((OPTIND - 1))
|
||
|
||
if (( $# < 1 )); then
|
||
_msg_error "No profile specified" 0
|
||
_usage 1
|
||
fi
|
||
|
||
if (( EUID != 0 )); then
|
||
_msg_error "${app_name} must be run as root." 1
|
||
fi
|
||
|
||
# get the absolute path representation of the first non-option argument
|
||
profile="$(realpath -- "${1}")"
|
||
|
||
_read_profile
|
||
_set_overrides
|
||
_validate_options
|
||
_build
|
||
|
||
# vim:ts=4:sw=4:et:
|