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-rwxr-xr-xparabolaiso/mkparabolaiso584
1 files changed, 584 insertions, 0 deletions
diff --git a/parabolaiso/mkparabolaiso b/parabolaiso/mkparabolaiso
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--- /dev/null
+++ b/parabolaiso/mkparabolaiso
@@ -0,0 +1,584 @@
+#!/bin/bash
+
+set -e -u
+
+export LANG=C
+
+app_name=${0##*/}
+arch=$(uname -m)
+pkg_list=""
+run_cmd=""
+quiet="y"
+pacman_conf="/etc/pacman.conf"
+export iso_label="ARCH_$(date +%Y%m)"
+iso_publisher="Arch Linux <http://www.archlinux.org>"
+iso_application="Arch Linux Live/Rescue CD"
+install_dir="arch"
+work_dir="work"
+out_dir="out"
+
+# Show an INFO message
+# $1: message string
+_msg_info() {
+ local _msg="${1}"
+ echo "[mkarchiso] INFO: ${_msg}"
+}
+
+# Show an ERROR message then exit with status
+# $1: message string
+# $2: exit code number (with 0 does not exit)
+_msg_error() {
+ local _msg="${1}"
+ local _error=${2}
+ echo
+ echo "[mkarchiso] ERROR: ${_msg}"
+ echo
+ if [[ ${_error} -gt 0 ]]; then
+ exit ${_error}
+ fi
+}
+
+# Show space usage similar to df, but better formatted.
+# $1: mount-point or mounted device.
+_show_space_usage () {
+ local _where="${1}"
+ local _fs _total _used _avail _pct_u=0 _mnt
+ read _fs _total _used _avail _pct_u _mnt < <(df -m "${_where}" | tail -1) &> /dev/null
+ _msg_info "Total: ${_total} MiB (100%) | Used: ${_used} MiB (${_pct_u}) | Avail: ${_avail} MiB ($((100 - ${_pct_u%\%}))%)"
+}
+
+_chroot_mount () {
+ mount -t devtmpfs dev "${work_dir}/root-image/dev"
+ mount -t devpts devpts "${work_dir}/root-image/dev/pts"
+ mount -t tmpfs devshm "${work_dir}/root-image/dev/shm"
+ mount -t proc proc "${work_dir}/root-image/proc"
+ mount -t tmpfs run "${work_dir}/root-image/run"
+ mount -t sysfs sys "${work_dir}/root-image/sys"
+ mount -t tmpfs tmp "${work_dir}/root-image/tmp"
+
+ trap '_chroot_umount' EXIT HUP INT TERM
+}
+
+_chroot_umount () {
+ umount "${work_dir}/root-image/tmp"
+ umount "${work_dir}/root-image/sys"
+ umount "${work_dir}/root-image/run"
+ umount "${work_dir}/root-image/proc"
+ umount "${work_dir}/root-image/dev/shm"
+ umount "${work_dir}/root-image/dev/pts"
+ umount "${work_dir}/root-image/dev"
+
+ trap - EXIT HUP INT TERM
+}
+
+_chroot_init() {
+ if [[ ! -d ${work_dir}/root-image/var/cache/pacman ]]; then
+ mkdir -p ${work_dir}/root-image/{dev,proc,run,sys,tmp,var/lib/pacman}
+ _pacman "base"
+ _pacman "syslinux"
+ fi
+}
+
+_chroot_run() {
+ _chroot_mount
+ eval chroot ${work_dir}/root-image "${run_cmd}"
+ _chroot_umount
+}
+
+# Mount a filesystem (trap signals in case of error for unmounting it
+# $1: source image
+# $2: mount-point
+_mount_fs() {
+ local _src="${1}"
+ local _dst="${2}"
+ trap "_umount_fs ${_src}" EXIT HUP INT TERM
+ mkdir -p "${_dst}"
+ _msg_info "Mounting '${_src}' on '${_dst}'"
+ mount "${_src}" "${_dst}"
+ _show_space_usage "${_dst}"
+}
+
+# Unmount a filesystem (and untrap signals)
+# $1: mount-point or device/image
+_umount_fs() {
+ local _dst="${1}"
+ _show_space_usage "${_dst}"
+ _msg_info "Unmounting '${_dst}'"
+ umount "${_dst}"
+ rmdir "${_dst}"
+ trap - EXIT HUP INT TERM
+}
+
+# Compare if a file/directory (source) is newer than other file (target)
+# $1: source file/directory
+# $2: target file
+# return: 0 if target does not exists or if target is older than source.
+# 1 if target is newer than source
+_is_directory_changed() {
+ local _src="${1}"
+ local _dst="${2}"
+
+ if [ -e "${_dst}" ]; then
+ if [[ $(find ${_src} -newer ${_dst} | wc -l) -gt 0 ]]; then
+ _msg_info "Target '${_dst}' is older than '${_src}', updating."
+ rm -f "${_dst}"
+ return 0
+ else
+ _msg_info "Target '${_dst}' is up to date with '${_src}', skipping."
+ return 1
+ fi
+ else
+ _msg_info "Target '${_dst}' does not exist, making it from '${_src}'"
+ return 0
+ fi
+}
+
+# Show help usage, with an exit status.
+# $1: exit status number.
+_usage ()
+{
+ echo "usage ${app_name} [options] command <command options>"
+ echo " general options:"
+ echo " -p PACKAGE(S) Package(s) to install, can be used multiple times"
+ echo " -r <command> Run <command> inside root-image"
+ echo " -C <file> Config file for pacman."
+ echo " Default: '${pacman_conf}'"
+ echo " -L <label> Set a label for the disk"
+ echo " Default: '${iso_label}'"
+ echo " -P <publisher> Set a publisher for the disk"
+ echo " Default: '${iso_publisher}'"
+ echo " -A <application> Set an application name for the disk"
+ echo " Default: '${iso_application}'"
+ echo " -D <install_dir> Set an install_dir. All files will by located here."
+ echo " Default: '${install_dir}'"
+ echo " NOTE: Max 8 characters, use only [a-z0-9]"
+ echo " -w <work_dir> Set the working directory"
+ echo " Default: '${work_dir}'"
+ echo " -o <out_dir> Set the output directory"
+ echo " Default: '${out_dir}'"
+ echo " -v Enable verbose output"
+ echo " -h This message"
+ echo " commands:"
+ echo " init"
+ echo " Make base layout and install base group"
+ echo " install"
+ echo " Install all specified packages (-p)"
+ echo " run"
+ echo " run command specified by -r"
+ echo " prepare"
+ echo " build all images"
+ echo " checksum"
+ echo " make a checksum.md5 for self-test"
+ echo " pkglist"
+ echo " make a pkglist.txt of packages installed on root-image"
+ echo " iso <image name>"
+ echo " build an iso image from the working dir"
+ exit ${1}
+}
+
+# Shows configuration according to command mode.
+# $1: init | install | run | prepare | checksum | iso
+_show_config () {
+ local _mode="$1"
+ echo
+ _msg_info "Configuration settings"
+ _msg_info " Command: ${command_name}"
+ _msg_info " Architecture: ${arch}"
+ _msg_info " Working directory: ${work_dir}"
+ _msg_info " Installation directory: ${install_dir}"
+ case "${_mode}" in
+ init)
+ _msg_info " Pacman config file: ${pacman_conf}"
+ ;;
+ install)
+ _msg_info " Pacman config file: ${pacman_conf}"
+ _msg_info " Packages: ${pkg_list}"
+ ;;
+ run)
+ _msg_info " Run command: ${run_cmd}"
+ ;;
+ prepare)
+ ;;
+ checksum)
+ ;;
+ pkglist)
+ ;;
+ iso)
+ _msg_info " Image name: ${img_name}"
+ _msg_info " Disk label: ${iso_label}"
+ _msg_info " Disk publisher: ${iso_publisher}"
+ _msg_info " Disk application: ${iso_application}"
+ ;;
+ esac
+ echo
+}
+
+# Install desired packages to root-image
+_pacman ()
+{
+ _msg_info "Installing packages to '${work_dir}/root-image/'..."
+
+ _chroot_mount
+
+ if [[ "${quiet}" = "y" ]]; then
+ pacman -Sy -r "${work_dir}/root-image" --config "${pacman_conf}" --needed --noconfirm $* &> /dev/null
+ else
+ pacman -Sy -r "${work_dir}/root-image" --config "${pacman_conf}" --needed --noconfirm $*
+ fi
+
+ _chroot_umount
+
+ _msg_info "Packages installed successfully!"
+}
+
+# Cleanup root-image
+_cleanup () {
+ _msg_info "Cleaning up what we can on root-image..."
+
+ # Delete initcpio image(s)
+ if [[ -d "${work_dir}/root-image/boot" ]]; then
+ find "${work_dir}/root-image/boot" -type f -name '*.img' -delete
+ fi
+ # Delete kernel(s)
+ if [[ -d "${work_dir}/root-image/boot" ]]; then
+ find "${work_dir}/root-image/boot" -type f -name 'vmlinuz*' -delete
+ fi
+ # Delete pacman database sync cache files (*.tar.gz)
+ if [[ -d "${work_dir}/root-image/var/lib/pacman" ]]; then
+ find "${work_dir}/root-image/var/lib/pacman" -maxdepth 1 -type f -delete
+ fi
+ # Delete pacman database sync cache
+ if [[ -d "${work_dir}/root-image/var/lib/pacman/sync" ]]; then
+ find "${work_dir}/root-image/var/lib/pacman/sync" -delete
+ fi
+ # Delete pacman package cache
+ if [[ -d "${work_dir}/root-image/var/cache/pacman/pkg" ]]; then
+ find "${work_dir}/root-image/var/cache/pacman/pkg" -type f -delete
+ fi
+ # Delete all log files, keeps empty dirs.
+ if [[ -d "${work_dir}/root-image/var/log" ]]; then
+ find "${work_dir}/root-image/var/log" -type f -delete
+ fi
+ # Avoid journald use permanent storage (Storage=auto)
+ if [[ -d "${work_dir}/root-image/var/log/journal" ]]; then
+ rm -rf "${work_dir}/root-image/var/log/journal"
+ fi
+ # Delete all temporary files and dirs
+ if [[ -d "${work_dir}/root-image/var/tmp" ]]; then
+ find "${work_dir}/root-image/var/tmp" -mindepth 1 -delete
+ fi
+ # Delete package pacman related files.
+ find "${work_dir}" \( -name "*.pacnew" -o -name "*.pacsave" -o -name "*.pacorig" \) -delete
+ _msg_info "Done!"
+}
+
+# Makes a SquashFS filesystem image of file/directory passes as argument with desired compression.
+# $1: Source file/directory
+# $2: SquashFS compression type (gzip | lzo | xz)
+_mksfs () {
+ local _src="${1}"
+ local _sfs_comp="${2}"
+
+ if [[ ! -e "${work_dir}/${_src}" ]]; then
+ _msg_error "The path '${work_dir}/${_src}' does not exist" 1
+ fi
+
+ local _sfs_img="${work_dir}/${_src}.sfs"
+
+ _msg_info "Creating SquashFS image for '${work_dir}/${_src}', This may take some time..."
+ local _seconds=${SECONDS}
+ if [[ "${quiet}" = "y" ]]; then
+ mksquashfs "${work_dir}/${_src}" "${_sfs_img}" -noappend -comp "${_sfs_comp}" -no-progress &> /dev/null
+ else
+ mksquashfs "${work_dir}/${_src}" "${_sfs_img}" -noappend -comp "${_sfs_comp}" -no-progress
+ fi
+ _seconds=$((SECONDS - _seconds))
+ printf "[mkarchiso] INFO: Image creation done in %02d:%02d minutes\n" $((_seconds / 60)) $((_seconds % 60))
+}
+
+# Makes a filesystem from a source directory.
+# $1: Source directory
+# $2: Target filesystem type (ext4 | ext3 | ext2 | xfs | btrfs)
+# $3: Size of target filesystem. Can be an absolute value in MiB, or relative value of desired free space (1% - 99%)
+_mkfs () {
+ local _src="${1}"
+ local _fs_type="${2}"
+ local _fs_size="${3}"
+
+ local _fs_src="${work_dir}/${_src}"
+ local _fs_img="${work_dir}/${_src}.fs"
+
+ if [[ ! -e "${_fs_src}" ]]; then
+ _msg_error "The path '${_fs_src}' does not exist" 1
+ fi
+
+ local _spc_used
+ _spc_used=$(du -sxm "${_fs_src}" | awk '{print $1}')
+
+ # Caculate FS size with desired % of free space, adds 10% overhead to used space.
+ if [[ ${_fs_size} != ${_fs_size%\%} ]]; then
+ if [[ ${_fs_size%\%} -le 0 || ${_fs_size%\%} -ge 100 ]]; then
+ _msg_error "Invalid percentage of free space specified '${_fs_size}' on '${_src}', should be 0% < x < 100%" 1
+ fi
+ _fs_size=$((_spc_used * 110 / (100 - ${_fs_size%\%})))
+ else
+ local _spc_used_over=$((_spc_used * 11 / 10))
+ if [[ ${_fs_size} -lt ${_spc_used_over} ]]; then
+ _msg_error "Filesystem size specified '${_fs_size}' MiB for '${_src}' is too small, must be at least '${_spc_used_over}' MiB" 1
+ fi
+ fi
+
+ _msg_info "Creating ${_fs_type} image of ${_fs_size} MiB..."
+ rm -f "${_fs_img}"
+ truncate -s ${_fs_size}M "${_fs_img}"
+ local _qflag=""
+ if [[ ${quiet} == "y" ]]; then
+ _qflag="-q"
+ fi
+ case "${_fs_type}" in
+ ext4)
+ mkfs.ext4 ${_qflag} -O ^has_journal -E lazy_itable_init=0 -m 0 -F "${_fs_img}"
+ tune2fs -c 0 -i 0 "${_fs_img}" &> /dev/null
+ ;;
+ ext3)
+ mkfs.ext3 ${_qflag} -m 0 -F "${_fs_img}"
+ tune2fs -c 0 -i 0 "${_fs_img}" &> /dev/null
+ ;;
+ ext2)
+ mkfs.ext2 ${_qflag} -m 0 -F "${_fs_img}"
+ tune2fs -c 0 -i 0 "${_fs_img}" &> /dev/null
+ ;;
+ xfs)
+ mkfs.xfs ${_qflag} "${_fs_img}"
+ ;;
+ btrfs)
+ mkfs.btrfs -M "${_fs_img}"
+ ;;
+ *)
+ _msg_error "Invalid filesystem: ${_fs_type}" 1
+ ;;
+ esac
+ _msg_info "Done!"
+ _mount_fs "${_fs_img}" "${work_dir}/mnt/${_src}"
+ _msg_info "Copying '${_fs_src}/' to '${work_dir}/mnt/${_src}/'..."
+ cp -aT "${_fs_src}/" "${work_dir}/mnt/${_src}/"
+ _msg_info "Done!"
+ _umount_fs "${work_dir}/mnt/${_src}"
+}
+
+command_checksum () {
+ _show_config checksum
+
+ local _chk_arch
+
+ for _chk_arch in i686 x86_64; do
+ if _is_directory_changed "${work_dir}/iso/${install_dir}" "${work_dir}/iso/${install_dir}/checksum.${_chk_arch}.md5"; then
+ _msg_info "Creating checksum file for self-test (${_chk_arch})..."
+ cd "${work_dir}/iso/${install_dir}"
+ if [[ -d "${_chk_arch}" ]]; then
+ md5sum aitab > checksum.${_chk_arch}.md5
+ find ${_chk_arch} -type f -print0 | xargs -0 md5sum >> checksum.${_chk_arch}.md5
+ if [[ -d "any" ]]; then
+ find any -type f -print0 | xargs -0 md5sum >> checksum.${_chk_arch}.md5
+ fi
+ fi
+ cd ${OLDPWD}
+ _msg_info "Done!"
+ fi
+ done
+}
+
+command_pkglist () {
+ _show_config pkglist
+
+ if _is_directory_changed "${work_dir}/root-image/var/lib/pacman/local" "${work_dir}/iso/${install_dir}/pkglist.${arch}.txt"; then
+ _msg_info "Creating a list of installed packages on live-enviroment..."
+ pacman -Sl -r "${work_dir}/root-image" --config "${pacman_conf}" | \
+ awk '/\[installed\]$/ {print $1 "/" $2 "-" $3}' > \
+ "${work_dir}/iso/${install_dir}/pkglist.${arch}.txt"
+ _msg_info "Done!"
+ fi
+
+}
+
+# Create an ISO9660 filesystem from "iso" directory.
+command_iso () {
+ local _iso_efi_boot_args=""
+
+ if [[ ! -f "${work_dir}/iso/isolinux/isolinux.bin" ]]; then
+ _msg_error "The file '${work_dir}/iso/isolinux/isolinux.bin' does not exist." 1
+ fi
+ if [[ ! -f "${work_dir}/iso/isolinux/isohdpfx.bin" ]]; then
+ _msg_error "The file '${work_dir}/iso/isolinux/isohdpfx.bin' does not exist." 1
+ fi
+
+ # If exists, add an EFI "El Torito" boot image (FAT filesystem) to ISO-9660 image.
+ if [[ -f "${work_dir}/iso/EFI/archiso/efiboot.img" ]]; then
+ _iso_efi_boot_args="--efi-boot EFI/archiso/efiboot.img"
+ fi
+
+ _show_config iso
+
+ if _is_directory_changed "${work_dir}/iso" "${out_dir}/${img_name}"; then
+ mkdir -p ${out_dir}
+ _msg_info "Creating ISO image..."
+ local _qflag=""
+ if [[ ${quiet} == "y" ]]; then
+ _qflag="-quiet"
+ fi
+ xorriso -as mkisofs ${_qflag} \
+ -iso-level 3 \
+ -full-iso9660-filenames \
+ -volid "${iso_label}" \
+ -appid "${iso_application}" \
+ -publisher "${iso_publisher}" \
+ -preparer "prepared by mkarchiso" \
+ -eltorito-boot isolinux/isolinux.bin \
+ -eltorito-catalog isolinux/boot.cat \
+ -no-emul-boot -boot-load-size 4 -boot-info-table \
+ ${_iso_efi_boot_args} \
+ -isohybrid-mbr ${work_dir}/iso/isolinux/isohdpfx.bin \
+ -output "${out_dir}/${img_name}" \
+ "${work_dir}/iso/"
+ _msg_info "Done! | $(ls -sh ${out_dir}/${img_name})"
+ fi
+}
+
+# Parse aitab and create each filesystem specified on that, and push it in "iso" directory.
+command_prepare () {
+ if [[ ! -f "${work_dir}/iso/${install_dir}/aitab" ]]; then
+ _msg_error "The file '${work_dir}/iso/${install_dir}/aitab' does not exist." 1
+ fi
+ _show_config prepare
+
+ _cleanup
+ local _aitab_img _aitab_mnt _aitab_arch _aitab_sfs_comp _aitab_fs_type _aitab_fs_size
+ while read _aitab_img _aitab_mnt _aitab_arch _aitab_sfs_comp _aitab_fs_type _aitab_fs_size ; do
+ if [[ ${_aitab_img} =~ ^# ]]; then
+ continue
+ fi
+ if [[ "${_aitab_arch}" != "any" && "${_aitab_arch}" != "${arch}" ]]; then
+ continue
+ fi
+ local _src="${work_dir}/${_aitab_img}"
+ local _dst="${work_dir}/iso/${install_dir}/${_aitab_arch}"
+ mkdir -p "${_dst}"
+ if [[ ${_aitab_fs_type} != "none" ]]; then
+ if _is_directory_changed "${_src}" "${_dst}/${_aitab_img}.fs.sfs"; then
+ _mkfs ${_aitab_img} ${_aitab_fs_type} ${_aitab_fs_size}
+ _mksfs ${_aitab_img}.fs ${_aitab_sfs_comp}
+ mv "${_src}.fs.sfs" "${_dst}"
+ rm "${_src}.fs"
+ fi
+ else
+ if _is_directory_changed "${_src}" "${_dst}/${_aitab_img}.sfs"; then
+ _mksfs ${_aitab_img} ${_aitab_sfs_comp}
+ mv "${work_dir}/${_aitab_img}.sfs" "${_dst}"
+ fi
+ fi
+ done < "${work_dir}/iso/${install_dir}/aitab"
+}
+
+# Install packages on root-image.
+# A basic check to avoid double execution/reinstallation is done via hashing package names.
+command_install () {
+ if [[ ! -f "${pacman_conf}" ]]; then
+ _msg_error "Pacman config file '${pacman_conf}' does not exist" 1
+ fi
+
+ #trim spaces
+ pkg_list="$(echo ${pkg_list})"
+
+ if [[ -z ${pkg_list} ]]; then
+ _msg_error "Packages must be specified" 0
+ _usage 1
+ fi
+
+ _show_config install
+
+ local _pkg_list_hash
+ _pkg_list_hash=$(echo ${pkg_list} | sort -u | md5sum | cut -c1-32)
+ if [[ -f "${work_dir}/install.${_pkg_list_hash}" ]]; then
+ _msg_info "These packages are already installed, skipping."
+ else
+ _pacman "${pkg_list}"
+ : > "${work_dir}/install.${_pkg_list_hash}"
+ fi
+}
+
+command_init() {
+ _show_config init
+ _chroot_init
+}
+
+command_run() {
+ _show_config run
+ _chroot_run
+}
+
+if [[ ${EUID} -ne 0 ]]; then
+ _msg_error "This script must be run as root." 1
+fi
+
+while getopts 'p:r:C:L:P:A:D:w:o:vh' arg; do
+ case "${arg}" in
+ p) pkg_list="${pkg_list} ${OPTARG}" ;;
+ r) run_cmd="${OPTARG}" ;;
+ C) pacman_conf="${OPTARG}" ;;
+ L) iso_label="${OPTARG}" ;;
+ P) iso_publisher="${OPTARG}" ;;
+ A) iso_application="${OPTARG}" ;;
+ D) install_dir="${OPTARG}" ;;
+ w) work_dir="${OPTARG}" ;;
+ o) out_dir="${OPTARG}" ;;
+ v) quiet="n" ;;
+ h|?) _usage 0 ;;
+ *)
+ _msg_error "Invalid argument '${arg}'" 0
+ _usage 1
+ ;;
+ esac
+done
+
+shift $((OPTIND - 1))
+
+if [[ $# -lt 1 ]]; then
+ _msg_error "No command specified" 0
+ _usage 1
+fi
+command_name="${1}"
+
+case "${command_name}" in
+ init)
+ command_init
+ ;;
+ install)
+ command_install
+ ;;
+ run)
+ command_run
+ ;;
+ prepare)
+ command_prepare
+ ;;
+ checksum)
+ command_checksum
+ ;;
+ pkglist)
+ command_pkglist
+ ;;
+ iso)
+ if [[ $# -lt 2 ]]; then
+ _msg_error "No image specified" 0
+ _usage 1
+ fi
+ img_name="${2}"
+ command_iso
+ ;;
+ *)
+ _msg_error "Invalid command name '${command_name}'" 0
+ _usage 1
+ ;;
+esac
+
+# vim:ts=4:sw=4:et: