1cc7375c25
Nothing is implemented yet! configs/releng/profiledef.sh: A test profile.
492 lines
14 KiB
Bash
Executable File
492 lines
14 KiB
Bash
Executable File
#!/bin/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="${0##*/}"
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pkg_list=()
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run_cmd=""
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quiet="y"
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work_dir="work"
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out_dir="out"
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img_name="${app_name}.iso"
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sfs_mode="sfs"
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sfs_comp="xz"
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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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iso_publisher="${app_name}"
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iso_application="${app_name} iso"
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iso_version=""
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install_dir="${app_name}"
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arch="$(uname -m)"
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pacman_conf="/etc/pacman.conf"
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bootmodes=()
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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 '\n[%s] WARNING: %s\n\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=${2}
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printf '\n[%s] ERROR: %s\n\n' "${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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_chroot_init() {
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mkdir -p -- "${airootfs_dir}"
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_pacman base syslinux
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}
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_chroot_run() {
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eval -- arch-chroot "${airootfs_dir}" "${run_cmd}"
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}
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_mount_airootfs() {
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trap "_umount_airootfs" EXIT HUP INT TERM
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mkdir -p -- "${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 ${app_name} [options] command <command options>
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general options:
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-p PACKAGE(S) Package(s) to install, can be used multiple times
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-r <command> Run <command> inside airootfs
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-C <file> Config file for pacman.
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Default: '${pacman_conf}'
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-L <label> Set a label for the disk
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Default: '${iso_label}'
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-P <publisher> Set a publisher for the disk
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Default: '${iso_publisher}'
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-A <application> Set an application name for the disk
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Default: '${iso_application}'
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-D <install_dir> Set an install_dir. All files will by located here.
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Default: '${install_dir}'
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NOTE: Max 8 characters, use only [a-z0-9]
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-w <work_dir> Set the working directory
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Default: '${work_dir}'
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-o <out_dir> Set the output directory
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Default: '${out_dir}'
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-s <sfs_mode> Set SquashFS image mode (img or sfs)
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img: prepare airootfs.sfs for dm-snapshot usage
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sfs: prepare airootfs.sfs for overlayfs usage
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Default: '${sfs_mode}'
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-c <comp_type> Set SquashFS compression type (gzip, lzma, lzo, xz, zstd)
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Default: '${sfs_comp}'
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-v Enable verbose output
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-h This message
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commands:
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init
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Make base layout and install base group
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install
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Install all specified packages (-p)
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run
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run command specified by -r
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prepare
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build all images
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pkglist
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make a pkglist.txt of packages installed on airootfs
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iso <image name>
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build an iso image from the working dir
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ENDUSAGETEXT
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printf '%s\n' "${usagetext}"
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exit "${1}"
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}
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# Shows configuration according to command mode.
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# $1: init | install | run | prepare | iso
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_show_config () {
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local _mode="$1"
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printf '\n'
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_msg_info "Configuration settings"
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_msg_info " Command: ${command_name}"
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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: ${install_dir}"
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case "${_mode}" in
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init)
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_msg_info " Pacman config file: ${pacman_conf}"
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;;
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install)
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_msg_info " Pacman config file: ${pacman_conf}"
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_msg_info " Packages: ${pkg_list[*]}"
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;;
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run)
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_msg_info " Run command: ${run_cmd}"
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;;
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prepare)
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;;
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pkglist)
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;;
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iso)
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_msg_info " Image name: ${img_name}"
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_msg_info " Disk label: ${iso_label}"
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_msg_info " Disk publisher: ${iso_publisher}"
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_msg_info " Disk application: ${iso_application}"
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;;
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esac
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printf '\n'
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}
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# Install desired packages to airootfs
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_pacman () {
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_msg_info "Installing packages to '${airootfs_dir}/'..."
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if [[ "${quiet}" = "y" ]]; then
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pacstrap -C "${pacman_conf}" -c -G -M -- "${airootfs_dir}" "$@" &> /dev/null
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else
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pacstrap -C "${pacman_conf}" -c -G -M -- "${airootfs_dir}" "$@"
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fi
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_msg_info "Packages installed successfully!"
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}
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# Cleanup airootfs
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_cleanup () {
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_msg_info "Cleaning up what we can on airootfs..."
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# Delete initcpio image(s)
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if [[ -d "${airootfs_dir}/boot" ]]; then
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find "${airootfs_dir}/boot" -type f -name '*.img' -delete
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fi
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# Delete kernel(s)
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if [[ -d "${airootfs_dir}/boot" ]]; then
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find "${airootfs_dir}/boot" -type f -name 'vmlinuz*' -delete
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fi
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# Delete pacman database sync cache files (*.tar.gz)
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if [[ -d "${airootfs_dir}/var/lib/pacman" ]]; then
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find "${airootfs_dir}/var/lib/pacman" -maxdepth 1 -type f -delete
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fi
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# Delete pacman database sync cache
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if [[ -d "${airootfs_dir}/var/lib/pacman/sync" ]]; then
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find "${airootfs_dir}/var/lib/pacman/sync" -delete
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fi
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# Delete pacman package cache
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if [[ -d "${airootfs_dir}/var/cache/pacman/pkg" ]]; then
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find "${airootfs_dir}/var/cache/pacman/pkg" -type f -delete
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fi
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# Delete all log files, keeps empty dirs.
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if [[ -d "${airootfs_dir}/var/log" ]]; then
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find "${airootfs_dir}/var/log" -type f -delete
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fi
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# Delete all temporary files and dirs
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if [[ -d "${airootfs_dir}/var/tmp" ]]; then
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find "${airootfs_dir}/var/tmp" -mindepth 1 -delete
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fi
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# Delete package pacman related files.
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find "${work_dir}" \( -name '*.pacnew' -o -name '*.pacsave' -o -name '*.pacorig' \) -delete
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_msg_info "Done!"
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}
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# Makes a ext4 filesystem inside a SquashFS from a source directory.
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_mkairootfs_img () {
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if [[ ! -e "${airootfs_dir}" ]]; then
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_msg_error "The path '${airootfs_dir}' does not exist" 1
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fi
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_msg_info "Creating ext4 image of 32GiB..."
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truncate -s 32G -- "${airootfs_dir}.img"
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if [[ "${quiet}" == "y" ]]; then
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mkfs.ext4 -q -O '^has_journal,^resize_inode' -E 'lazy_itable_init=0' -m 0 -F -- "${airootfs_dir}.img"
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else
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mkfs.ext4 -O '^has_journal,^resize_inode' -E 'lazy_itable_init=0' -m 0 -F -- "${airootfs_dir}.img"
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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}/" "${work_dir}/mnt/airootfs/"
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chown root:root -- "${work_dir}/mnt/airootfs/"
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_msg_info "Done!"
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_umount_airootfs
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mkdir -p -- "${work_dir}/iso/${install_dir}/${arch}"
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_msg_info "Creating SquashFS image, this may take some time..."
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if [[ "${quiet}" = "y" ]]; then
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mksquashfs "${airootfs_dir}.img" "${work_dir}/iso/${install_dir}/${arch}/airootfs.sfs" -noappend \
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-comp "${sfs_comp}" -no-progress &> /dev/null
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else
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mksquashfs "${airootfs_dir}.img" "${work_dir}/iso/${install_dir}/${arch}/airootfs.sfs" -noappend \
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-comp "${sfs_comp}"
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fi
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_msg_info "Done!"
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rm -- "${airootfs_dir}.img"
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}
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# Makes a SquashFS filesystem from a source directory.
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_mkairootfs_sfs () {
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if [[ ! -e "${airootfs_dir}" ]]; then
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_msg_error "The path '${airootfs_dir}' does not exist" 1
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fi
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mkdir -p -- "${work_dir}/iso/${install_dir}/${arch}"
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_msg_info "Creating SquashFS image, this may take some time..."
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if [[ "${quiet}" = "y" ]]; then
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mksquashfs "${airootfs_dir}" "${work_dir}/iso/${install_dir}/${arch}/airootfs.sfs" -noappend \
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-comp "${sfs_comp}" -no-progress &> /dev/null
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else
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mksquashfs "${airootfs_dir}" "${work_dir}/iso/${install_dir}/${arch}/airootfs.sfs" -noappend \
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-comp "${sfs_comp}"
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fi
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_msg_info "Done!"
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}
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_mkchecksum () {
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_msg_info "Creating checksum file for self-test..."
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cd -- "${work_dir}/iso/${install_dir}/${arch}"
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sha512sum airootfs.sfs > airootfs.sha512
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cd -- "${OLDPWD}"
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_msg_info "Done!"
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}
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_mksignature () {
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_msg_info "Creating signature file..."
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cd -- "${work_dir}/iso/${install_dir}/${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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command_pkglist () {
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_show_config pkglist
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_msg_info "Creating a list of installed packages on live-enviroment..."
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pacman -Q --sysroot "${airootfs_dir}" > "${work_dir}/iso/${install_dir}/pkglist.${arch}.txt"
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_msg_info "Done!"
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}
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# Create an ISO9660 filesystem from "iso" directory.
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command_iso () {
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local _iso_efi_boot_args=()
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if [[ ! -f "${work_dir}/iso/isolinux/isolinux.bin" ]]; then
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_msg_error "The file '${work_dir}/iso/isolinux/isolinux.bin' does not exist." 1
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fi
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if [[ ! -f "${work_dir}/iso/isolinux/isohdpfx.bin" ]]; then
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_msg_error "The file '${work_dir}/iso/isolinux/isohdpfx.bin' does not exist." 1
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fi
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# If exists, add an EFI "El Torito" boot image (FAT filesystem) to ISO-9660 image.
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if [[ -f "${work_dir}/iso/EFI/archiso/efiboot.img" ]]; then
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_iso_efi_boot_args+=(
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'-eltorito-alt-boot'
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'-e' 'EFI/archiso/efiboot.img'
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'-no-emul-boot'
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'-isohybrid-gpt-basdat'
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)
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fi
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_show_config iso
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mkdir -p -- "${out_dir}"
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_msg_info "Creating ISO image..."
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local _qflag=""
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if [[ "${quiet}" == "y" ]]; then
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xorriso -as mkisofs -quiet \
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-iso-level 3 \
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-full-iso9660-filenames \
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-rational-rock \
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-volid "${iso_label}" \
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-appid "${iso_application}" \
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-publisher "${iso_publisher}" \
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-preparer "prepared by ${app_name}" \
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-eltorito-boot isolinux/isolinux.bin \
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-eltorito-catalog isolinux/boot.cat \
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-no-emul-boot -boot-load-size 4 -boot-info-table \
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-isohybrid-mbr "${work_dir}/iso/isolinux/isohdpfx.bin" \
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"${_iso_efi_boot_args[@]}" \
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-output "${out_dir}/${img_name}" \
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"${work_dir}/iso/"
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else
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xorriso -as mkisofs \
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-iso-level 3 \
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-full-iso9660-filenames \
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-rational-rock \
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-volid "${iso_label}" \
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-appid "${iso_application}" \
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-publisher "${iso_publisher}" \
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-preparer "prepared by ${app_name}" \
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-eltorito-boot isolinux/isolinux.bin \
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-eltorito-catalog isolinux/boot.cat \
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-no-emul-boot -boot-load-size 4 -boot-info-table \
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-isohybrid-mbr "${work_dir}/iso/isolinux/isohdpfx.bin" \
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"${_iso_efi_boot_args[@]}" \
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-output "${out_dir}/${img_name}" \
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"${work_dir}/iso/"
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fi
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_msg_info "Done! | $(ls -sh -- "${out_dir}/${img_name}")"
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}
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# create airootfs.sfs filesystem, and push it in "iso" directory.
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command_prepare () {
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_show_config prepare
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_cleanup
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if [[ "${sfs_mode}" == "sfs" ]]; then
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_mkairootfs_sfs
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else
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_mkairootfs_img
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fi
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_mkchecksum
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if [[ "${gpg_key}" ]]; then
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_mksignature
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fi
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}
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# Install packages on airootfs.
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# A basic check to avoid double execution/reinstallation is done via hashing package names.
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command_install () {
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if [[ ! -f "${pacman_conf}" ]]; then
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_msg_error "Pacman config file '${pacman_conf}' does not exist" 1
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fi
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if (( ${#pkg_list[@]} == 0 )); then
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_msg_error "Packages must be specified" 0
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_usage 1
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fi
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_show_config install
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_pacman "${pkg_list[@]}"
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}
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command_init() {
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_show_config init
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_chroot_init
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}
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command_run() {
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_show_config run
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_chroot_run
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}
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command_build_profile() {
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_msg_warning "The ${FUNCNAME[0]#command_} command is not fully implemented yet :("
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# Set up essential directory paths
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airootfs_dir="${work_dir}/${arch}/airootfs"
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exit 1
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}
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while getopts 'B:p:r:C:L:P:A:D:w:o:s:c:g:vh' arg; do
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case "${arg}" in
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B)
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profile="$(realpath -- "${OPTARG}")"
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;;
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p)
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read -r -a opt_pkg_list <<< "${OPTARG}"
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pkg_list+=("${opt_pkg_list[@]}")
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;;
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r) run_cmd="${OPTARG}" ;;
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C) pacman_conf="$(realpath -- "${OPTARG}")" ;;
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L) iso_label="${OPTARG}" ;;
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P) iso_publisher="${OPTARG}" ;;
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A) iso_application="${OPTARG}" ;;
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D) install_dir="${OPTARG}" ;;
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w) work_dir="$(realpath -- "${OPTARG}")" ;;
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o) out_dir="$(realpath -- "${OPTARG}")" ;;
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s) sfs_mode="${OPTARG}" ;;
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c) sfs_comp="${OPTARG}" ;;
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g) gpg_key="${OPTARG}" ;;
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v) quiet="n" ;;
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h|?) _usage 0 ;;
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*)
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_msg_error "Invalid argument '${arg}'" 0
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_usage 1
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;;
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esac
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done
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if (( EUID != 0 )); then
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_msg_error "${app_name} must be run as root." 1
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fi
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shift $((OPTIND - 1))
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if (( $# < 1 )); then
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_msg_error "No command specified" 0
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_usage 1
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fi
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command_name="${1}"
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# Set directory path defaults
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airootfs_dir="${work_dir}/airootfs"
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case "${command_name}" in
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init)
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command_init
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;;
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install)
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command_install
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;;
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run)
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command_run
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;;
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prepare)
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command_prepare
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;;
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pkglist)
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command_pkglist
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;;
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iso)
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if (( $# < 2 )); then
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_msg_error "No image specified" 0
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_usage 1
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fi
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img_name="${2}"
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command_iso
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;;
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build_profile)
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command_build_profile
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;;
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*)
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_msg_error "Invalid command name '${command_name}'" 0
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_usage 1
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;;
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esac
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# vim:ts=4:sw=4:et:
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