#!/bin/sh CPIOCONFIG="$(pwd)/archiso-mkinitcpio.conf" DEF_CONFIG_DIR="$(pwd)/default-config" PKGFILE="$(pwd)/packages.list" PKGLIST="" QUIET="y" FORCE="n" command_name="" work_dir="" isoname="" APPNAME=$(basename "${0}") # usage: usage <exitvalue> usage () { echo "usage ${APPNAME} [options] command <command options>" echo " general options:" echo " -f Force overwrite of working files/squashfs image/iso" echo " -i CPIO_CONFIG Use CONFIG file for mkinitcpio. default: ${CPIOCONFIG}" echo " -P PKGFILE File with list of packages to install. default: ${PKGFILE}" echo " -p PACKAGE Additional package to install, can be used multiple times" echo " -v Enable verbose output." echo " -h This message." echo " commands:" echo " install <working dir> : where to build the ISO root" echo " squash <working dir> : generate a squashfs image of the ISO root" echo " iso <working dir> <iso name> : build an ISO from the working directory" echo " all <working dir> <iso name> : perform all of the above, in order" exit $1 } while getopts 'i:P:p:fvh' arg; do case "${arg}" in i) CPIOCONFIG="${OPTARG}" ;; P) PKGFILE="${OPTARG}" ;; p) PKGLIST="${PKGLIST} ${OPTARG}" ;; f) FORCE="y" ;; v) QUIET="n" ;; h|?) usage 0 ;; *) echo "invalid argument '${arg}'"; usage 1 ;; esac done # do UID checking here so someone can at least get usage instructions if [ "$EUID" != "0" ]; then echo "error: This script must be run as root." exit 1 fi shift $(($OPTIND - 1)) echo "ARGS: $@" [ $# -le 1 ] && usage 1 command_name="${1}" case "${command_name}" in install) work_dir="${2}" ;; squash) work_dir="${2}" ;; iso) work_dir="${2}"; isoname="${3}" ;; all) work_dir="${2}"; isoname="${3}" ;; *) echo "invalid command name '${command_name}'"; usage 1 ;; esac [ "x${work_dir}" = "x" ] && (echo "please specify a working directory" && usage 1) isoroot="${work_dir}/iso" instroot="${work_dir}/install" _kversion () { source ${instroot}/etc/mkinitcpio.d/kernel26.kver echo ${ALL_kver} } # usage: _pacman <packages>... _pacman () { local ret if [ "${QUIET}" = "y" ]; then mkarchroot -f ${instroot} $* 2>&1 >/dev/null ret=$? else mkarchroot -f ${instroot} $* ret=$? fi if [ $ret -ne 0 ]; then exit 1 fi } # usage: install_pkgfile <packagesfile> install_pkgfile () { if [ -e "${1}" ]; then toinstall="" while read pkg; do toinstall="${toinstall} ${pkg}" done < ${1} _pacman "${toinstall}" else echo "error: Package file '${1}' does not exist, aborting." exit 1 fi } # Go through the main commands in order. If 'all' was specified, then we want # to do everything. Start with 'install'. if [ "${command_name}" = "install" -o "${command_name}" = "all" ]; then echo "====> Installing/building ISO root" if [ -e "${work_dir}" -a "${FORCE}" = "n" ]; then echo "error: Working dir '${work_dir}' already exists, aborting." exit 1 fi mkdir -p "${isoroot}" mkdir -p "${instroot}" echo "Installing packages..." echo " Installing packages from '${PKGFILE}'" install_pkgfile "${PKGFILE}" for pkg in ${PKGLIST}; do echo " Installing package '${pkg}'" _pacman "${pkg}" done echo "Updating kernel module dependancies" kernelver=$(_kversion) depmod -a -b "${instroot}" -v "${kernelver}" -F "${instroot}/boot/System.map26" >/dev/null # remove the initcpio images that were generated for the host system find "${instroot}/boot" -name *.img -delete echo "Applying default configuration for the Arch ISO" cp -rfa ${DEF_CONFIG_DIR}/* "${instroot}" echo "Copyright (C) 2007, Arch Linux (Judd Vinet)" > "${instroot}/etc/copyright" echo "Creating initial device nodes" rm -f "${instroot}/dev/console" "${instroot}/dev/null" "${instroot}/dev/zero" mknod -m 644 "${instroot}/dev/console" c 5 1 mknod -m 666 "${instroot}/dev/null" c 1 3 mknod -m 666 "${instroot}/dev/zero" c 1 5 echo "Creating default home directory" install -d -o1000 -g100 -m0755 "${instroot}/home/arch" # Cleanup echo "Cleaning up ISO root files..." find "${instroot}" -name *.pacnew -name *.pacsave -name *.pacorig -delete # delete a lot of unnecessary cache/log files kill_dirs="var/abs var/cache/man var/cache/pacman var/log/* var/mail tmp/* usr/include initrd" for x in ${kill_dirs}; do if [ -e "${instroot}/${x}" ]; then rm -rf "${instroot}/${x}" fi done # delete static libraries find "${instroot}/lib" -name *.a -delete find "${instroot}/usr/lib" -name *.a -delete # pacman DBs are big, delete all sync dbs for d in ${instroot}/var/lib/pacman/*; do [ "$(basename ${d})" != "local" ] && rm -rf "${d}" done if [ -e "${instroot}/boot" ]; then rm -rf "${isoroot}/boot" mv "${instroot}/boot" "${isoroot}" fi fi # Squash is the next step. if [ "${command_name}" = "squash" -o "${command_name}" = "all" ]; then echo "====> Generating SquashFS image" imagename="${isoroot}/archlive.sqfs" if [ -e "${imagename}" ]; then if [ "${FORCE}" = "y" ]; then echo -n "Removing old SquashFS image..." rm "${imagename}" echo "done." else echo "error: SquashFS image '${imagename}' already exists, aborting." exit 1 fi fi echo "Creating squashfs image. This may take some time..." start=$(date +%s) if [ "${QUIET}" = "y" ]; then mksquashfs "${instroot}" "${imagename}" >/dev/null else mksquashfs "${instroot}" "${imagename}" fi minutes=$(echo $start $(date +%s) | awk '{ printf "%0.2f",($2-$1)/60 }') echo "Image creation done in $minutes minutes." fi # Finally, make the iso. if [ "${command_name}" = "iso" -o "${command_name}" = "all" ]; then echo "====> Making ISO image" [ "x${isoname}" = "x" ] && (echo "ISO image name must be specified" && usage 1) if [ -e "${isoname}" ]; then if [ "${FORCE}" = "y" ]; then echo "Removing existing ISO image..." rm -rf "${isoname}" else echo "error: ISO image '${isoname}' already exists, aborting." exit 1 fi fi if [ ! -e "${CPIOCONFIG}" ]; then echo "error: mkinitcpio config '${CPIOCONFIG}' does not exist, aborting." exit 1 fi kernelver=$(_kversion) basedir=${instroot} [ "${instroot:0:1}" != "/" ] && basedir="$(pwd)/${instroot}" echo "Generating initcpio for ISO..." if [ "${QUIET}" = "y" ]; then mkinitcpio -c "${CPIOCONFIG}" -b "${basedir}" -k "${kernelver}" -g "${isoroot}/boot/archlive.img" >/dev/null ret=$? else mkinitcpio -c "${CPIOCONFIG}" -b "${basedir}" -k "${kernelver}" -g "${isoroot}/boot/archlive.img" ret=$? fi if [ $ret -ne 0 ]; then echo "error: initcpio image creation failed..." exit 1 fi cp ${instroot}/usr/lib/grub/i386-pc/* "${isoroot}/boot/grub" echo "Creating ISO image..." q="" [ "${QUIET}" = "y" ] && qflag="-q" mkisofs ${qflag} -r -l -b "boot/grub/stage2_eltorito" -uid 0 -gid 0 -no-emul-boot \ -boot-load-size 4 -boot-info-table -publisher "Arch Linux <archlinux.org>" \ -input-charset=UTF-8 -p "prepared by $NAME" -A "Arch Linux Live/Rescue CD" \ -copyright /etc/copyright -o "${isoname}" "${isoroot}" fi # vim:ts=4:sw=4:et: