b30d1cad9b
To date the iso version was used for iso volume information and iso file name.
In my custom builds I do use it a lot more:
* Inside the root fs: The system knows about its own version. I use this to:
-> report the version to a server (poor man's inventory)
-> let the system update itself
* On the iso fs: The files are served via rsync, running systems transfer
version file first to check for available update.
* A grub environment file on the iso fs: Booting the iso from grub allows
to create cow directory per version:
loopback loop archlinux.iso
load_env -f (loop)/arch/grubenv
linux (loop)/arch/boot/x86_64/vmlinuz-linux ... \
cow_directory=archlinux/${VERSION} ...
So let's just create these files.
929 lines
37 KiB
Bash
Executable File
929 lines
37 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# SPDX-License-Identifier: GPL-3.0-or-later
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set -e -u
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# Control the environment
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umask 0022
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export LANG="C"
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export SOURCE_DATE_EPOCH="${SOURCE_DATE_EPOCH:-"$(date +%s)"}"
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# mkarchiso defaults
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app_name="${0##*/}"
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pkg_list=()
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quiet="y"
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work_dir="work"
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out_dir="out"
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img_name="${app_name}.iso"
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gpg_key=""
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override_gpg_key=""
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# profile defaults
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profile=""
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iso_name="${app_name}"
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iso_label="${app_name^^}"
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override_iso_label=""
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iso_publisher="${app_name}"
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override_iso_publisher=""
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iso_application="${app_name} iso"
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override_iso_application=""
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iso_version=""
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install_dir="${app_name}"
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override_install_dir=""
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arch="$(uname -m)"
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pacman_conf="/etc/pacman.conf"
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override_pacman_conf=""
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bootmodes=()
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airootfs_image_type="squashfs"
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airootfs_image_tool_options=('-comp' 'xz')
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declare -A file_permissions=()
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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 -- "${work_dir}/mnt/airootfs"
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_msg_info "Mounting '${airootfs_dir}.img' on '${work_dir}/mnt/airootfs'..."
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mount -- "${airootfs_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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-g <gpg_key> Set the GPG key to be used for signing the sqashfs image
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-h This message
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-o <out_dir> Set the output directory
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Default: '${out_dir}'
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-p PACKAGE(S) Package(s) to install, can be used multiple times
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-v Enable verbose output
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-w <work_dir> Set the working directory
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Default: '${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 " GPG key: ${gpg_key:-None}"
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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: ${img_name}"
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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: ${pkg_list[*]}"
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}
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# Cleanup airootfs
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_cleanup_airootfs() {
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_msg_info "Cleaning up what we can on airootfs..."
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# Delete all files in /boot
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[[ -d "${airootfs_dir}/boot" ]] && find "${airootfs_dir}/boot" -mindepth 1 -delete
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# Delete pacman database sync cache files (*.tar.gz)
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[[ -d "${airootfs_dir}/var/lib/pacman" ]] && find "${airootfs_dir}/var/lib/pacman" -maxdepth 1 -type f -delete
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# Delete pacman database sync cache
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[[ -d "${airootfs_dir}/var/lib/pacman/sync" ]] && find "${airootfs_dir}/var/lib/pacman/sync" -delete
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# Delete pacman package cache
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[[ -d "${airootfs_dir}/var/cache/pacman/pkg" ]] && find "${airootfs_dir}/var/cache/pacman/pkg" -type f -delete
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# Delete all log files, keeps empty dirs.
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[[ -d "${airootfs_dir}/var/log" ]] && find "${airootfs_dir}/var/log" -type f -delete
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# Delete all temporary files and dirs
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[[ -d "${airootfs_dir}/var/tmp" ]] && find "${airootfs_dir}/var/tmp" -mindepth 1 -delete
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# Delete package pacman related files.
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find "${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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printf '' > "${airootfs_dir}/etc/machine-id"
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_msg_info "Done!"
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}
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_run_mksquashfs() {
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local image_path="${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 "${airootfs_image_tool_options[@]}"
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fi
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}
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# Makes a ext4 filesystem inside a SquashFS from a source directory.
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_mkairootfs_ext4+squashfs() {
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[[ -e "${airootfs_dir}" ]] || _msg_error "The path '${airootfs_dir}' does not exist" 1
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_msg_info "Creating ext4 image of 32 GiB..."
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if [[ "${quiet}" == "y" ]]; then
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mkfs.ext4 -q -O '^has_journal,^resize_inode' -E 'lazy_itable_init=0' -m 0 -F -- "${airootfs_dir}.img" 32G
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else
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mkfs.ext4 -O '^has_journal,^resize_inode' -E 'lazy_itable_init=0' -m 0 -F -- "${airootfs_dir}.img" 32G
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fi
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tune2fs -c 0 -i 0 -- "${airootfs_dir}.img" > /dev/null
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_msg_info "Done!"
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_mount_airootfs
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_msg_info "Copying '${airootfs_dir}/' to '${work_dir}/mnt/airootfs/'..."
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cp -aT -- "${airootfs_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}/${arch}"
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_msg_info "Creating SquashFS image, this may take some time..."
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_run_mksquashfs "${airootfs_dir}.img"
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_msg_info "Done!"
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rm -- "${airootfs_dir}.img"
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}
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# Makes a SquashFS filesystem from a source directory.
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_mkairootfs_squashfs() {
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[[ -e "${airootfs_dir}" ]] || _msg_error "The path '${airootfs_dir}' does not exist" 1
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install -d -m 0755 -- "${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 "${airootfs_dir}"
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_msg_info "Done!"
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}
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_mkchecksum() {
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_msg_info "Creating checksum file for self-test..."
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cd -- "${isofs_dir}/${install_dir}/${arch}"
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sha512sum airootfs.sfs > airootfs.sha512
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cd -- "${OLDPWD}"
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_msg_info "Done!"
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}
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_mksignature() {
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_msg_info "Signing SquashFS image..."
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cd -- "${isofs_dir}/${install_dir}/${arch}"
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gpg --detach-sign --default-key "${gpg_key}" airootfs.sfs
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cd -- "${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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_run_once() {
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if [[ ! -e "${work_dir}/build.${1}" ]]; then
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"$1"
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touch "${work_dir}/build.${1}"
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fi
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}
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# Set up custom pacman.conf with custom cache and pacman hook directories
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_make_pacman_conf() {
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local _cache_dirs _system_cache_dirs _profile_cache_dirs
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_system_cache_dirs="$(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 = ${airootfs_dir}/etc/pacman.d/hooks/" > "${work_dir}/pacman.conf"
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}
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# Prepare working directory and copy custom airootfs files (airootfs)
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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 -- "${airootfs_dir}"
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if [[ -d "${profile}/airootfs" ]]; then
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_msg_info "Copying custom airootfs files..."
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cp -af --no-preserve=ownership,mode -- "${profile}/airootfs/." "${airootfs_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 $airootfs_dir
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if [[ "$(realpath -q -- "${airootfs_dir}${filename}")" != "$(realpath -q -- "${airootfs_dir}")"* ]]; then
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_msg_error "Failed to set permissions on '${airootfs_dir}${filename}'. Outside of valid path." 1
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# Warn if the file does not exist
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elif [[ ! -e "${airootfs_dir}${filename}" ]]; then
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_msg_warning "Cannot change permissions of '${airootfs_dir}${filename}'. The file or directory does not exist."
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else
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chown -fh -- "${permissions[0]}:${permissions[1]}" "${airootfs_dir}${filename}"
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chmod -f -- "${permissions[2]}" "${airootfs_dir}${filename}"
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fi
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done
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_msg_info "Done!"
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fi
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}
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# Install desired packages to airootfs
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_make_packages() {
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_msg_info "Installing packages to '${airootfs_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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if [[ "${quiet}" = "y" ]]; then
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pacstrap -C "${work_dir}/pacman.conf" -c -G -M -- "${airootfs_dir}" "${pkg_list[@]}" &> /dev/null
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else
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pacstrap -C "${work_dir}/pacman.conf" -c -G -M -- "${airootfs_dir}" "${pkg_list[@]}"
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fi
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if [[ -n "${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 (airootfs)
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_make_customize_airootfs() {
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local passwd=()
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if [[ -e "${profile}/airootfs/etc/passwd" ]]; then
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_msg_info "Copying /etc/skel/* to user homes..."
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while IFS=':' read -a passwd -r; do
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# Only operate on UIDs in range 1000–59999
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(( passwd[2] >= 1000 && passwd[2] < 60000 )) || continue
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# Skip invalid home directories
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[[ "${passwd[5]}" == '/' ]] && continue
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[[ -z "${passwd[5]}" ]] && continue
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# Prevent path traversal outside of $airootfs_dir
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if [[ "$(realpath -q -- "${airootfs_dir}${passwd[5]}")" == "${airootfs_dir}"* ]]; then
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if [[ ! -d "${airootfs_dir}${passwd[5]}" ]]; then
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install -d -m 0750 -o "${passwd[2]}" -g "${passwd[3]}" -- "${airootfs_dir}${passwd[5]}"
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fi
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cp -dnRT --preserve=mode,timestamps,links -- "${airootfs_dir}/etc/skel/." "${airootfs_dir}${passwd[5]}"
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chmod -f 0750 -- "${airootfs_dir}${passwd[5]}"
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chown -hR -- "${passwd[2]}:${passwd[3]}" "${airootfs_dir}${passwd[5]}"
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else
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_msg_error "Failed to set permissions on '${airootfs_dir}${passwd[5]}'. Outside of valid path." 1
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fi
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done < "${profile}/airootfs/etc/passwd"
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_msg_info "Done!"
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fi
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if [[ -e "${airootfs_dir}/root/customize_airootfs.sh" ]]; then
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_msg_info "Running customize_airootfs.sh in '${airootfs_dir}' chroot..."
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_msg_warning "customize_airootfs.sh is deprecated! Support for it will be removed in a future archiso version."
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chmod -f -- +x "${airootfs_dir}/root/customize_airootfs.sh"
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eval -- arch-chroot "${airootfs_dir}" "/root/customize_airootfs.sh"
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rm -- "${airootfs_dir}/root/customize_airootfs.sh"
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_msg_info "Done! customize_airootfs.sh run successfully."
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fi
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}
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# Set up boot loaders
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_make_bootmodes() {
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local bootmode
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for bootmode in "${bootmodes[@]}"; do
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_run_once "_make_bootmode_${bootmode}"
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done
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}
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# Prepare kernel/initramfs ${install_dir}/boot/
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_make_boot_on_iso9660() {
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local ucode_image
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_msg_info "Preparing kernel and initramfs for the ISO 9660 file system..."
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install -d -m 0755 -- "${isofs_dir}/${install_dir}/boot/${arch}"
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install -m 0644 -- "${airootfs_dir}/boot/initramfs-"*".img" "${isofs_dir}/${install_dir}/boot/${arch}/"
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install -m 0644 -- "${airootfs_dir}/boot/vmlinuz-"* "${isofs_dir}/${install_dir}/boot/${arch}/"
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for ucode_image in {intel-uc.img,intel-ucode.img,amd-uc.img,amd-ucode.img,early_ucode.cpio,microcode.cpio}; do
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if [[ -e "${airootfs_dir}/boot/${ucode_image}" ]]; then
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install -m 0644 -- "${airootfs_dir}/boot/${ucode_image}" "${isofs_dir}/${install_dir}/boot/"
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if [[ -e "${airootfs_dir}/usr/share/licenses/${ucode_image%.*}/" ]]; then
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install -d -m 0755 -- "${isofs_dir}/${install_dir}/boot/licenses/${ucode_image%.*}/"
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install -m 0644 -- "${airootfs_dir}/usr/share/licenses/${ucode_image%.*}/"* \
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"${isofs_dir}/${install_dir}/boot/licenses/${ucode_image%.*}/"
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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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}
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# Prepare /syslinux for booting from MBR
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_make_bootmode_bios.syslinux.mbr() {
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_msg_info "Setting up SYSLINUX for BIOS booting from a disk..."
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install -d -m 0755 -- "${isofs_dir}/syslinux"
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for _cfg in "${profile}/syslinux/"*.cfg; do
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sed "s|%ARCHISO_LABEL%|${iso_label}|g;
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s|%INSTALL_DIR%|${install_dir}|g;
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s|%ARCH%|${arch}|g" \
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"${_cfg}" > "${isofs_dir}/syslinux/${_cfg##*/}"
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done
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if [[ -e "${profile}/syslinux/splash.png" ]]; then
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install -m 0644 -- "${profile}/syslinux/splash.png" "${isofs_dir}/syslinux/"
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fi
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install -m 0644 -- "${airootfs_dir}/usr/lib/syslinux/bios/"*.c32 "${isofs_dir}/syslinux/"
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install -m 0644 -- "${airootfs_dir}/usr/lib/syslinux/bios/lpxelinux.0" "${isofs_dir}/syslinux/"
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install -m 0644 -- "${airootfs_dir}/usr/lib/syslinux/bios/memdisk" "${isofs_dir}/syslinux/"
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_run_once _make_boot_on_iso9660
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if [[ -e "${isofs_dir}/syslinux/hdt.c32" ]]; then
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install -d -m 0755 -- "${isofs_dir}/syslinux/hdt"
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if [[ -e "${airootfs_dir}/usr/share/hwdata/pci.ids" ]]; then
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gzip -c -9 "${airootfs_dir}/usr/share/hwdata/pci.ids" > \
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"${isofs_dir}/syslinux/hdt/pciids.gz"
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fi
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find "${airootfs_dir}/usr/lib/modules" -name 'modules.alias' -print -exec gzip -c -9 '{}' ';' -quit > \
|
||
"${isofs_dir}/syslinux/hdt/modalias.gz"
|
||
fi
|
||
|
||
# Add other aditional/extra files to ${install_dir}/boot/
|
||
if [[ -e "${airootfs_dir}/boot/memtest86+/memtest.bin" ]]; then
|
||
# rename for PXE: https://wiki.archlinux.org/index.php/Syslinux#Using_memtest
|
||
install -m 0644 -- "${airootfs_dir}/boot/memtest86+/memtest.bin" "${isofs_dir}/${install_dir}/boot/memtest"
|
||
install -d -m 0755 -- "${isofs_dir}/${install_dir}/boot/licenses/memtest86+/"
|
||
install -m 0644 -- "${airootfs_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 -- "${isofs_dir}/syslinux"
|
||
install -m 0644 -- "${airootfs_dir}/usr/lib/syslinux/bios/isolinux.bin" "${isofs_dir}/syslinux/"
|
||
install -m 0644 -- "${airootfs_dir}/usr/lib/syslinux/bios/isohdpfx.bin" "${isofs_dir}/syslinux/"
|
||
|
||
# ISOLINUX and SYSLINUX installation is shared
|
||
_run_once _make_bootmode_bios.syslinux.mbr
|
||
|
||
_msg_info "Done! SYSLINUX set up for BIOS booting from an optical disc successfully."
|
||
}
|
||
|
||
# Prepare /EFI on ISO-9660
|
||
_make_efi_dir_on_iso9660() {
|
||
_msg_info "Preparing an /EFI directory for the ISO 9660 file system..."
|
||
install -d -m 0755 -- "${isofs_dir}/EFI/BOOT"
|
||
install -m 0644 -- "${airootfs_dir}/usr/lib/systemd/boot/efi/systemd-bootx64.efi" \
|
||
"${isofs_dir}/EFI/BOOT/BOOTx64.EFI"
|
||
|
||
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 "${airootfs_dir}/usr/share/edk2-shell/x64/Shell_Full.efi" ]]; then
|
||
install -m 0644 -- "${airootfs_dir}/usr/share/edk2-shell/x64/Shell_Full.efi" "${isofs_dir}/shellx64.efi"
|
||
fi
|
||
_msg_info "Done!"
|
||
}
|
||
|
||
# Prepare kernel/initramfs on efiboot.img
|
||
_make_boot_on_fat() {
|
||
local ucode_image all_ucode_images=()
|
||
_msg_info "Preparing kernel and initramfs for the FAT file system..."
|
||
mmd -i "${work_dir}/efiboot.img" \
|
||
"::/${install_dir}" "::/${install_dir}/boot" "::/${install_dir}/boot/${arch}"
|
||
mcopy -i "${work_dir}/efiboot.img" "${airootfs_dir}/boot/vmlinuz-"* \
|
||
"${airootfs_dir}/boot/initramfs-"*".img" "::/${install_dir}/boot/${arch}/"
|
||
for ucode_image in \
|
||
"${airootfs_dir}/boot/"{intel-uc.img,intel-ucode.img,amd-uc.img,amd-ucode.img,early_ucode.cpio,microcode.cpio}
|
||
do
|
||
if [[ -e "${ucode_image}" ]]; then
|
||
all_ucode_images+=("${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!"
|
||
}
|
||
|
||
# Prepare efiboot.img::/EFI for EFI boot mode
|
||
_make_bootmode_uefi-x64.systemd-boot.esp() {
|
||
local efiboot_imgsize="0"
|
||
_msg_info "Setting up systemd-boot for UEFI booting..."
|
||
|
||
# the required image size in KiB (rounded up to the next full MiB with an additional MiB for reserved sectors)
|
||
efiboot_imgsize="$(du -bc \
|
||
"${airootfs_dir}/usr/lib/systemd/boot/efi/systemd-bootx64.efi" \
|
||
"${airootfs_dir}/usr/share/edk2-shell/x64/Shell_Full.efi" \
|
||
"${profile}/efiboot/" \
|
||
"${airootfs_dir}/boot/vmlinuz-"* \
|
||
"${airootfs_dir}/boot/initramfs-"*".img" \
|
||
"${airootfs_dir}/boot/"{intel-uc.img,intel-ucode.img,amd-uc.img,amd-ucode.img,early_ucode.cpio,microcode.cpio} \
|
||
2>/dev/null | 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($1)+1024)/1024))}'
|
||
)"
|
||
# The FAT image must be created with mkfs.fat not mformat, as some systems have issues with mformat made images:
|
||
# https://lists.gnu.org/archive/html/grub-devel/2019-04/msg00099.html
|
||
[[ -e "${work_dir}/efiboot.img" ]] && rm -f -- "${work_dir}/efiboot.img"
|
||
_msg_info "Creating FAT image of size: ${efiboot_imgsize} KiB..."
|
||
mkfs.fat -C -n ARCHISO_EFI "${work_dir}/efiboot.img" "$efiboot_imgsize"
|
||
|
||
mmd -i "${work_dir}/efiboot.img" ::/EFI ::/EFI/BOOT
|
||
mcopy -i "${work_dir}/efiboot.img" \
|
||
"${airootfs_dir}/usr/lib/systemd/boot/efi/systemd-bootx64.efi" ::/EFI/BOOT/BOOTx64.EFI
|
||
|
||
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 "${airootfs_dir}/usr/share/edk2-shell/x64/Shell_Full.efi" ]]; then
|
||
mcopy -i "${work_dir}/efiboot.img" \
|
||
"${airootfs_dir}/usr/share/edk2-shell/x64/Shell_Full.efi" ::/shellx64.efi
|
||
fi
|
||
|
||
# Copy kernel and initramfs
|
||
_make_boot_on_fat
|
||
|
||
_msg_info "Done! systemd-boot set up for UEFI booting successfully."
|
||
}
|
||
|
||
# Prepare efiboot.img::/EFI for "El Torito" EFI boot mode
|
||
_make_bootmode_uefi-x64.systemd-boot.eltorito() {
|
||
_run_once _make_bootmode_uefi-x64.systemd-boot.esp
|
||
# Set up /EFI on ISO-9660 to allow preparing an installation medium by manually copying files
|
||
_run_once _make_efi_dir_on_iso9660
|
||
}
|
||
|
||
_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() {
|
||
_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 "${gpg_key}" ]]; then
|
||
_mksignature
|
||
fi
|
||
}
|
||
|
||
_validate_requirements_airootfs_image_type_squashfs() {
|
||
if ! command -v mksquashfs &> /dev/null; then
|
||
(( validation_error=validation_error+1 ))
|
||
_msg_error "Validating '${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 '${airootfs_image_type}': mkfs.ext4 and/or tune2fs is not available on this host. Install 'e2fsprogs'!" 0
|
||
fi
|
||
_validate_requirements_airootfs_image_type_squashfs
|
||
}
|
||
|
||
# SYSLINUX El Torito
|
||
_add_xorrisofs_options_bios.syslinux.eltorito() {
|
||
xorrisofs_options+=(
|
||
# El Torito boot image for x86 BIOS
|
||
'-eltorito-boot' 'syslinux/isolinux.bin'
|
||
# El Torito boot catalog file
|
||
'-eltorito-catalog' 'syslinux/boot.cat'
|
||
# Required options to boot with ISOLINUX
|
||
'-no-emul-boot' '-boot-load-size' '4' '-boot-info-table'
|
||
)
|
||
}
|
||
|
||
# SYSLINUX MBR
|
||
_add_xorrisofs_options_bios.syslinux.mbr() {
|
||
xorrisofs_options+=(
|
||
# SYSLINUX MBR bootstrap code; does not work without "-eltorito-boot syslinux/isolinux.bin"
|
||
'-isohybrid-mbr' "${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
|
||
# This violates the UEFI specification, but may allow booting on some systems
|
||
# https://wiki.archlinux.org/index.php/Partitioning#Tricking_old_BIOS_into_booting_from_GPT
|
||
'--mbr-force-bootable'
|
||
# Set the ISO 9660 partition's type to "Linux filesystem data"
|
||
# When only MBR is present, the partition type ID will be 0x83 "Linux" as xorriso translates all
|
||
# GPT partition type GUIDs except for the ESP GUID to MBR type ID 0x83
|
||
'-iso_mbr_part_type' '0FC63DAF-8483-4772-8E79-3D69D8477DE4'
|
||
# 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
|
||
[[ " ${xorrisofs_options[*]} " =~ ' -partition_offset ' ]] || xorrisofs_options+=('-partition_offset' '16')
|
||
xorrisofs_options+=(
|
||
# Attach efiboot.img as a second partition and set its partition type to "EFI system partition"
|
||
'-append_partition' '2' 'C12A7328-F81F-11D2-BA4B-00A0C93EC93B' "${work_dir}/efiboot.img"
|
||
# Ensure GPT is used as some systems do not support UEFI booting without it
|
||
'-appended_part_as_gpt'
|
||
)
|
||
}
|
||
|
||
# systemd-boot via El Torito
|
||
_add_xorrisofs_options_uefi-x64.systemd-boot.eltorito() {
|
||
# shellcheck disable=SC2076
|
||
if [[ " ${bootmodes[*]} " =~ ' uefi-x64.systemd-boot.esp ' ]]; then
|
||
# systemd-boot in an attached EFI system partition via El Torito
|
||
xorrisofs_options+=(
|
||
# Start a new El Torito boot entry for UEFI
|
||
'-eltorito-alt-boot'
|
||
# Set the second partition as the El Torito UEFI boot image
|
||
'-e' '--interval:appended_partition_2:all::'
|
||
# Boot image is not emulating floppy or hard disk; required for all known boot loaders
|
||
'-no-emul-boot'
|
||
)
|
||
else
|
||
# The ISO will not contain a GPT partition table, so to be able to reference efiboot.img, place it as a
|
||
# file inside the ISO 9660 file system
|
||
install -d -m 0755 -- "${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
|
||
[[ " ${bootmodes[*]} " =~ ' bios.' ]] || xorrisofs_options+=('-eltorito-catalog' 'EFI/boot.cat')
|
||
}
|
||
|
||
# Build ISO
|
||
_build_iso() {
|
||
local xorrisofs_options=()
|
||
local bootmode
|
||
|
||
[[ -d "${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 "${out_dir}/${img_name}" \
|
||
"${isofs_dir}/"
|
||
_msg_info "Done!"
|
||
du -h -- "${out_dir}/${img_name}"
|
||
}
|
||
|
||
# Read profile's values from profiledef.sh
|
||
_read_profile() {
|
||
local validation_error=0
|
||
local bootmode
|
||
|
||
_msg_info "Reading profile..."
|
||
if [[ -z "${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
|
||
packages="$(realpath -- "${profile}/packages.${arch}")"
|
||
pacman_conf="$(realpath -- "${pacman_conf}")"
|
||
|
||
cd -- "${OLDPWD}"
|
||
|
||
# Validate profile
|
||
# Check if the package list file exists and read packages from it
|
||
if [[ -e "${packages}" ]]; then
|
||
mapfile -t pkg_list < <(sed '/^[[:blank:]]*#.*/d;s/#.*//;/^[[:blank:]]*$/d' "${packages}")
|
||
if (( ${#pkg_list} < 1 )); then
|
||
(( validation_error=validation_error+1 ))
|
||
_msg_error "No package specified in '${packages}'." 0
|
||
fi
|
||
else
|
||
(( validation_error=validation_error+1 ))
|
||
_msg_error "File '${packages}' does not exist." 0
|
||
fi
|
||
# Check if pacman configuration file exists
|
||
if [[ ! -e "${pacman_conf}" ]]; then
|
||
(( validation_error=validation_error+1 ))
|
||
_msg_error "File '${pacman_conf}' does not exist." 0
|
||
fi
|
||
# Check if the specified bootmodes are supported
|
||
for bootmode in "${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 "${validation_error} errors were encountered while validating the profile. Aborting." 1
|
||
fi
|
||
fi
|
||
_msg_info "Done!"
|
||
}
|
||
|
||
# set overrides from mkarchiso option parameters, if present
|
||
_set_overrides() {
|
||
_msg_info "Setting overrides..."
|
||
[[ -n "$override_iso_label" ]] && iso_label="$override_iso_label"
|
||
[[ -n "$override_iso_publisher" ]] && iso_publisher="$override_iso_publisher"
|
||
[[ -n "$override_iso_application" ]] && iso_application="$override_iso_application"
|
||
[[ -n "$override_install_dir" ]] && install_dir="$override_install_dir"
|
||
[[ -n "$override_pacman_conf" ]] && pacman_conf="$override_pacman_conf"
|
||
[[ -n "$override_gpg_key" ]] && gpg_key="$override_gpg_key"
|
||
# NOTE: the call to _msg_info() conveniently guards this function from evaluating to false
|
||
_msg_info "Done!"
|
||
}
|
||
|
||
_export_gpg_publickey() {
|
||
gpg --batch --output "${work_dir}/pubkey.gpg" --export "${gpg_key}"
|
||
}
|
||
|
||
_make_version() {
|
||
install -d -m 0755 -- "${isofs_dir}/${install_dir}"
|
||
_msg_info "Creating files with iso version..."
|
||
printf '%s\n' "${iso_version}" > "${airootfs_dir}/version"
|
||
printf '%s\n' "${iso_version}" > "${isofs_dir}/${install_dir}/version"
|
||
printf '%.1024s' "$(printf '# GRUB Environment Block\nVERSION=%s\n%s' "${iso_version}" \
|
||
"$(printf '%0.1s' "#"{1..1024})")" > "${isofs_dir}/${install_dir}/grubenv"
|
||
_msg_info "Done!"
|
||
}
|
||
|
||
_make_pkglist() {
|
||
install -d -m 0755 -- "${isofs_dir}/${install_dir}"
|
||
_msg_info "Creating a list of installed packages on live-enviroment..."
|
||
pacman -Q --sysroot "${airootfs_dir}" > "${isofs_dir}/${install_dir}/pkglist.${arch}.txt"
|
||
_msg_info "Done!"
|
||
}
|
||
|
||
_build_profile() {
|
||
# Set up essential directory paths
|
||
airootfs_dir="${work_dir}/${arch}/airootfs"
|
||
isofs_dir="${work_dir}/iso"
|
||
# Set ISO file name
|
||
img_name="${iso_name}-${iso_version}-${arch}.iso"
|
||
# Create working directory
|
||
[[ -d "${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
|
||
|
||
[[ "${quiet}" == "n" ]] && _show_config
|
||
_run_once _make_pacman_conf
|
||
[[ -n "${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_airootfs
|
||
_run_once _prepare_airootfs_image
|
||
_run_once _build_iso
|
||
}
|
||
|
||
while getopts 'p:C:L:P:A:D:w:o:g:vh?' arg; do
|
||
case "${arg}" in
|
||
p)
|
||
read -r -a opt_pkg_list <<< "${OPTARG}"
|
||
pkg_list+=("${opt_pkg_list[@]}")
|
||
;;
|
||
C) override_pacman_conf="$(realpath -- "${OPTARG}")" ;;
|
||
L) override_iso_label="${OPTARG}" ;;
|
||
P) override_iso_publisher="${OPTARG}" ;;
|
||
A) override_iso_application="${OPTARG}" ;;
|
||
D) override_install_dir="${OPTARG}" ;;
|
||
w) work_dir="$(realpath -- "${OPTARG}")" ;;
|
||
o) out_dir="$(realpath -- "${OPTARG}")" ;;
|
||
g) override_gpg_key="${OPTARG}" ;;
|
||
v) 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
|
||
_build_profile
|
||
|
||
# vim:ts=4:sw=4:et:
|