mkarchiso: general cleanup and simplification
- Remove remnants of the now removed legacy commands. - Improve readability by getting rid of some "if" statements when performing string comparisons. - Rename functions to make their purpose more clear. - Move some conditions from functions to their invocations.
This commit is contained in:
nl6720
parent
bb91fd52d9
commit
57d510fe7f
@ -1,4 +1,4 @@
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#!/bin/bash
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#!/usr/bin/env bash
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#
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# SPDX-License-Identifier: GPL-3.0-or-later
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@ -12,7 +12,6 @@ export SOURCE_DATE_EPOCH="${SOURCE_DATE_EPOCH:-"$(date +%s)"}"
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# mkarchiso defaults
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app_name="${0##*/}"
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pkg_list=()
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run_cmd=""
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quiet="y"
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work_dir="work"
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out_dir="out"
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@ -66,15 +65,6 @@ _msg_error() {
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fi
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}
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_chroot_init() {
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install -d -m 0755 -o 0 -g 0 -- "${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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install -d -m 0755 -- "${work_dir}/mnt/airootfs"
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@ -123,8 +113,7 @@ ENDUSAGETEXT
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exit "${1}"
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}
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# Shows configuration according to command mode.
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# $1: build_profile | init | install | run | prepare | iso
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# Shows configuration options.
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_show_config() {
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local build_date
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build_date="$(date --utc --iso-8601=seconds -d "@${SOURCE_DATE_EPOCH}")"
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@ -143,50 +132,24 @@ _show_config() {
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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: ${pkg_list[*]}"
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[[ "${quiet}" == "y" ]] || 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 "${work_dir}/pacman.conf" -c -G -M -- "${airootfs_dir}" "$@" &> /dev/null
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else
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pacstrap -C "${work_dir}/pacman.conf" -c -G -M -- "${airootfs_dir}" "$@"
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fi
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_msg_info "Done! Packages installed successfully."
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}
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# Cleanup airootfs
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_cleanup() {
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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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if [[ -d "${airootfs_dir}/boot" ]]; then
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find "${airootfs_dir}/boot" -mindepth 1 -delete
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fi
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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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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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[[ -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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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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[[ -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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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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[[ -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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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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[[ -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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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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[[ -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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@ -195,28 +158,18 @@ _cleanup() {
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_msg_info "Done!"
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}
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_mkairootfs_create_image() {
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if (( $# < 1 )); then
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_msg_error "Function '${FUNCNAME[0]}' requires at least one argument" 1
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fi
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image_path="${isofs_dir}/${install_dir}/${arch}/airootfs.sfs"
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if [[ "${airootfs_image_type}" =~ .*squashfs ]] ; then
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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 "${airootfs_image_tool_options[@]}"
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fi
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_run_mksquashfs() {
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local image_path="${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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_msg_error "Unsupported image type: '${airootfs_image_type}'" 1
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mksquashfs "$@" "${image_path}" -noappend "${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_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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_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 [[ "${quiet}" == "y" ]]; then
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@ -234,20 +187,18 @@ _mkairootfs_img() {
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_umount_airootfs
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install -d -m 0755 -- "${isofs_dir}/${install_dir}/${arch}"
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_msg_info "Creating SquashFS image, this may take some time..."
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_mkairootfs_create_image "${airootfs_dir}.img"
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_run_mksquashfs "${airootfs_dir}.img"
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_msg_info "Done!"
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rm -- "${airootfs_dir}.img"
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}
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# Makes a SquashFS filesystem from a source directory.
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_mkairootfs_sfs() {
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if [[ ! -e "${airootfs_dir}" ]]; then
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_msg_error "The path '${airootfs_dir}' does not exist" 1
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fi
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_mkairootfs_squashfs() {
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[[ -e "${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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_mkairootfs_create_image "${airootfs_dir}"
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_run_mksquashfs "${airootfs_dir}"
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_msg_info "Done!"
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}
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@ -334,17 +285,27 @@ _make_custom_airootfs() {
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fi
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}
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# Packages (airootfs)
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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}<>"${work_dir}/pubkey.gpg"
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export ARCHISO_GNUPG_FD
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fi
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_pacman "${pkg_list[@]}"
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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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@ -368,8 +329,7 @@ _make_customize_airootfs() {
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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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local run_cmd="/root/customize_airootfs.sh"
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_chroot_run
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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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@ -379,8 +339,8 @@ _make_customize_airootfs() {
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_make_bootmodes() {
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local bootmode
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for bootmode in "${bootmodes[@]}"; do
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if typeset -f "_make_boot_${bootmode}" &> /dev/null; then
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_run_once "_make_boot_${bootmode}"
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if typeset -f "_make_bootmode_${bootmode}" &> /dev/null; then
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_run_once "_make_bootmode_${bootmode}"
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else
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_msg_error "${bootmode} is not a valid boot mode" 1
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fi
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@ -388,7 +348,7 @@ _make_bootmodes() {
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}
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# Prepare kernel/initramfs ${install_dir}/boot/
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_make_boot_on_iso() {
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_make_boot_on_iso9660() {
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local ucode_image
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_msg_info "Preparing kernel and intramfs for the ISO 9660 file system..."
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install -d -m 0755 -- "${isofs_dir}/${install_dir}/boot/${arch}"
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@ -409,7 +369,7 @@ _make_boot_on_iso() {
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}
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# Prepare /${install_dir}/boot/syslinux
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_make_boot_bios.syslinux.mbr() {
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_make_bootmode_bios.syslinux.mbr() {
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_msg_info "Setting up SYSLINUX for BIOS booting from a disk..."
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install -d -m 0755 -- "${isofs_dir}/${install_dir}/boot/syslinux"
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for _cfg in "${profile}/syslinux/"*.cfg; do
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@ -425,7 +385,7 @@ _make_boot_bios.syslinux.mbr() {
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install -m 0644 -- "${airootfs_dir}/usr/lib/syslinux/bios/lpxelinux.0" "${isofs_dir}/${install_dir}/boot/syslinux/"
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install -m 0644 -- "${airootfs_dir}/usr/lib/syslinux/bios/memdisk" "${isofs_dir}/${install_dir}/boot/syslinux/"
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_run_once _make_boot_on_iso
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_run_once _make_boot_on_iso9660
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if [[ -e "${isofs_dir}/${install_dir}/boot/syslinux/hdt.c32" ]]; then
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install -d -m 0755 -- "${isofs_dir}/${install_dir}/boot/syslinux/hdt"
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@ -449,7 +409,7 @@ _make_boot_bios.syslinux.mbr() {
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}
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# Prepare /isolinux
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_make_boot_bios.syslinux.eltorito() {
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_make_bootmode_bios.syslinux.eltorito() {
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_msg_info "Setting up SYSLINUX for BIOS booting from an optical disc..."
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install -d -m 0755 -- "${isofs_dir}/isolinux"
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for _cfg in "${profile}/isolinux/"*".cfg"; do
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@ -463,13 +423,13 @@ _make_boot_bios.syslinux.eltorito() {
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install -m 0644 -- "${airootfs_dir}/usr/lib/syslinux/bios/ldlinux.c32" "${isofs_dir}/isolinux/"
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# isolinux.cfg loads syslinux.cfg
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_run_once _make_boot_bios.syslinux.mbr
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_run_once _make_bootmode_bios.syslinux.mbr
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_msg_info "Done! SYSLINUX set up for BIOS booting from an optical disc successfully."
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}
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# Prepare /EFI on ISO-9660
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_make_efi() {
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_make_efi_dir_on_iso9660() {
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_msg_info "Preparing an /EFI directory for the ISO 9660 file system..."
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install -d -m 0755 -- "${isofs_dir}/EFI/BOOT"
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install -m 0644 -- "${airootfs_dir}/usr/lib/systemd/boot/efi/systemd-bootx64.efi" \
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@ -515,7 +475,7 @@ _make_boot_on_fat() {
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}
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# Prepare efiboot.img::/EFI for EFI boot mode
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_make_boot_uefi-x64.systemd-boot.esp() {
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_make_bootmode_uefi-x64.systemd-boot.esp() {
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local efiboot_imgsize="0"
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_msg_info "Setting up systemd-boot for UEFI booting..."
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@ -564,36 +524,31 @@ _make_boot_uefi-x64.systemd-boot.esp() {
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}
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# Prepare efiboot.img::/EFI for "El Torito" EFI boot mode
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_make_boot_uefi-x64.systemd-boot.eltorito() {
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_run_once _make_boot_uefi-x64.systemd-boot.esp
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# Set up /EFI on ISO-9660
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_run_once _make_efi
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_make_bootmode_uefi-x64.systemd-boot.eltorito() {
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_run_once _make_bootmode_uefi-x64.systemd-boot.esp
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# Set up /EFI on ISO-9660 to allow preparing an installation medium by manually copying files
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_run_once _make_efi_dir_on_iso9660
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}
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# Build airootfs filesystem image
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_make_prepare() {
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if [[ "${airootfs_image_type}" == "squashfs" ]]; then # prepare airootfs.sfs for overlayfs usage (default)
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_run_once _mkairootfs_sfs
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elif [[ "${airootfs_image_type}" == "ext4+squashfs" ]]; then # prepare airootfs.sfs for dm-snapshot usage
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_run_once _mkairootfs_img
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_prepare_airootfs_image() {
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if typeset -f "_mkairootfs_${airootfs_image_type}" &> /dev/null; then
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_run_once "_mkairootfs_${airootfs_image_type}"
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else
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_msg_error "Unsupported image type: '${airootfs_image_type}'" 1
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fi
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_mkchecksum
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if [[ "${gpg_key}" ]]; then
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_mksignature
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fi
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[[ -n "${gpg_key}" ]] && _mksignature
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}
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# Build ISO
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_make_iso() {
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_build_iso() {
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local xorrisofs_options=()
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[[ -d "${out_dir}" ]] || install -d -- "${out_dir}"
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if [[ "${quiet}" == "y" ]]; then
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xorrisofs_options+=('-quiet')
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fi
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[[ "${quiet}" == "y" ]] && xorrisofs_options+=('-quiet')
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# xorrisofs options for x86 BIOS booting using SYSLINUX
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# shellcheck disable=SC2076
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@ -647,9 +602,7 @@ _make_iso() {
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# xorrisofs options for X64 UEFI booting using systemd-boot
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# shellcheck disable=SC2076
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if [[ " ${bootmodes[*]} " =~ ' uefi-x64.systemd-boot.' ]]; then
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if [[ ! -f "${work_dir}/efiboot.img" ]]; then
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_msg_error "The file '${work_dir}/efiboot.img' does not exist." 1
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fi
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[[ -f "${work_dir}/efiboot.img" ]] || _msg_error "The file '${work_dir}/efiboot.img' does not exist." 1
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[[ -e "${isofs_dir}/EFI/archiso" ]] && rm -rf -- "${isofs_dir}/EFI/archiso"
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# systemd-boot in an attached EFI system partition
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@ -744,31 +697,17 @@ _read_profile() {
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# set overrides from mkarchiso option parameters, if present
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_set_overrides() {
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if [[ -n "$override_iso_label" ]]; then
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iso_label="$override_iso_label"
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fi
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if [[ -n "$override_iso_publisher" ]]; then
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iso_publisher="$override_iso_publisher"
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fi
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if [[ -n "$override_iso_application" ]]; then
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iso_application="$override_iso_application"
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fi
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if [[ -n "$override_install_dir" ]]; then
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install_dir="$override_install_dir"
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fi
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if [[ -n "$override_pacman_conf" ]]; then
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pacman_conf="$override_pacman_conf"
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fi
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if [[ -n "$override_gpg_key" ]]; then
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gpg_key="$override_gpg_key"
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fi
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[[ -n "$override_iso_label" ]] && iso_label="$override_iso_label"
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[[ -n "$override_iso_publisher" ]] && iso_publisher="$override_iso_publisher"
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[[ -n "$override_iso_application" ]] && iso_application="$override_iso_application"
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[[ -n "$override_install_dir" ]] && install_dir="$override_install_dir"
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[[ -n "$override_pacman_conf" ]] && pacman_conf="$override_pacman_conf"
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[[ -n "$override_gpg_key" ]] && gpg_key="$override_gpg_key"
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}
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_export_gpg_publickey() {
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if [[ -n "${gpg_key}" ]]; then
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gpg --batch --output "${work_dir}/pubkey.gpg" --export "${gpg_key}"
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fi
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gpg --batch --output "${work_dir}/pubkey.gpg" --export "${gpg_key}"
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}
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@ -794,26 +733,25 @@ _build_profile() {
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printf '%s\n' "$SOURCE_DATE_EPOCH" > "${work_dir}/build_date"
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fi
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_show_config
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[[ "${quiet}" == "n" ]] && _show_config
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_run_once _make_pacman_conf
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_run_once _export_gpg_publickey
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[[ -n "${gpg_key}" ]] && _run_once _export_gpg_publickey
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_run_once _make_custom_airootfs
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_run_once _make_packages
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_run_once _make_customize_airootfs
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_run_once _make_pkglist
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_make_bootmodes
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_run_once _cleanup
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_run_once _make_prepare
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||||
_run_once _make_iso
|
||||
_run_once _cleanup_airootfs
|
||||
_run_once _prepare_airootfs_image
|
||||
_run_once _build_iso
|
||||
}
|
||||
|
||||
while getopts 'p:r:C:L:P:A:D:w:o:g:vh?' arg; do
|
||||
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+=("${opt_pkg_list[@]}")
|
||||
;;
|
||||
r) run_cmd="${OPTARG}" ;;
|
||||
C) override_pacman_conf="$(realpath -- "${OPTARG}")" ;;
|
||||
L) override_iso_label="${OPTARG}" ;;
|
||||
P) override_iso_publisher="${OPTARG}" ;;
|
||||
@ -845,9 +783,6 @@ fi
|
||||
# get the absolute path representation of the first non-option argument
|
||||
profile="$(realpath -- "${1}")"
|
||||
|
||||
# Set directory path defaults for legacy commands
|
||||
airootfs_dir="${work_dir}/airootfs"
|
||||
isofs_dir="${work_dir}/iso"
|
||||
_read_profile
|
||||
_set_overrides
|
||||
_build_profile
|
||||
|
||||
Loading…
Reference in New Issue
Block a user