258 lines
7.7 KiB
Bash
Executable File
258 lines
7.7 KiB
Bash
Executable File
#!/bin/bash
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CPIOCONFIG="$(pwd)/archiso-mkinitcpio.conf"
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PKGLIST=""
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QUIET="y"
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FORCE="n"
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MOUNTFILE="$(pwd)/mounts"
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APPNAME=$(basename "${0}")
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# usage: usage <exitvalue>
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usage ()
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{
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echo "usage ${APPNAME} [options] command <command options>"
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echo " general options:"
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echo " -f Force overwrite of working files/squashfs image/bootable image"
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echo " -i CPIO_CONFIG Use CONFIG file for mkinitcpio. default: ${CPIOCONFIG}"
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echo " -p PACKAGE(S) Additional package(s) to install, can be used multiple times"
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echo " -t <iso,disk> Type of image to create. Defaults to iso."
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echo " -v Enable verbose output."
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echo " -h This message."
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echo " commands:"
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echo " install <working dir> : install packages to the working dir"
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echo " squash <working dir> <sqfs name> : generate a squashfs image of the working dir"
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echo " img <working dir> <image name> : build an image from the working dir"
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exit $1
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}
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while getopts 'i:P:p:a:t:fvh' arg; do
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case "${arg}" in
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i) CPIOCONFIG="${OPTARG}" ;;
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p) PKGLIST="${PKGLIST} ${OPTARG}" ;;
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t) IMG_TYPE="${OPTARG}" ;;
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f) FORCE="y" ;;
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v) QUIET="n" ;;
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h|?) usage 0 ;;
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*) echo "invalid argument '${arg}'"; usage 1 ;;
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esac
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done
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shift $(($OPTIND - 1))
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echo "ARGS: $@"
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# do UID checking here so someone can at least get usage instructions
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if [ "$EUID" != "0" ]; then
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echo "error: This script must be run as root."
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exit 1
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fi
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command_name="${1}"
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work_dir=""
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imgname=""
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case "${command_name}" in
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install) work_dir="${2}"; imgname="none" ;;
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squash) work_dir="${2}"; imgname="${3}" ;;
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img) work_dir="${2}"; imgname="${3}" ;;
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*) echo "invalid command name '${command_name}'"; usage 1 ;;
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esac
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[ "x${imgname}" = "x" ] && (echo "Image name must be specified" && usage 1)
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[ "x${work_dir}" = "x" ] && (echo "Please specify a working directory" && usage 1)
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echo "${APPNAME} : Configuration Settings"
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echo " mkinitcpio config file: ${CPIOCONFIG}"
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echo " mount description file: ${MOUNTFILE}"
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echo " working directory: ${work_dir}"
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echo " image name: ${imgname}"
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echo " image type: ${IMG_TYPE}"
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_kversion ()
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{
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# Man this is gross... we need a better way to get the kernel version
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source ${work_dir}/etc/mkinitcpio.d/kernel26.kver
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echo ${ALL_kver}
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}
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# usage: _pacman <packages>...
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_pacman ()
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{
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local ret
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if [ "${QUIET}" = "y" ]; then
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mkarchroot -f ${work_dir} $* 2>&1 >/dev/null
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ret=$?
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else
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mkarchroot -f ${work_dir} $*
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ret=$?
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fi
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# Cleanup
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find "${work_dir}" -name *.pacnew -name *.pacsave -name *.pacorig -delete
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if [ $ret -ne 0 ]; then
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exit 1
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fi
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}
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command_install () {
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echo "====> Installing packages to '${work_dir}'"
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if [ -e "${work_dir}" -a "${FORCE}" = "n" ]; then
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echo "error: Working dir '${work_dir}' already exists, aborting."
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exit 1
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fi
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mkdir -p "${work_dir}"
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if [ "${PKGLIST}" = "" ]; then
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echo "error: no packages to install"
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exit 1
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fi
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echo "Installing packages..."
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_pacman "${PKGLIST}"
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if [ -d "${work_dir}/lib/modules/" ]; then
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echo "Updating kernel module dependencies"
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kernelver=$(_kversion)
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depmod -a -b "${work_dir}" "${kernelver}"
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fi
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echo "Cleaning up what we can"
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if [ -d "${work_dir}/boot/" ]; then
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# remove the initcpio images that were generated for the host system
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find "${work_dir}/boot" -name *.img -delete
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fi
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#TODO is this needed? do it at the Makefile level?
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if [ -d "${work_dir}/home/" ]; then
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echo "Creating default home directory"
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install -d -o1000 -g100 -m0755 "${work_dir}/home/arch"
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fi
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# delete a lot of unnecessary cache/log files
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kill_dirs="var/abs var/cache/man var/cache/pacman var/log/* var/mail tmp/* initrd"
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for x in ${kill_dirs}; do
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if [ -e "${work_dir}/${x}" ]; then
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rm -rf "${work_dir}/${x}"
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fi
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done
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# pacman DBs are big, delete all sync dbs
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rm -rf "${work_dir}/var/lib/pacman/sync"
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#TODO test for existance of images in work_dir
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cp "${MOUNTFILE}" "${work_dir}/mounts"
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}
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# command_squash path image
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command_squash () {
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echo "====> Generating SquashFS image ${imgname}"
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if [ -e "${imgname}" ]; then
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if [ "${FORCE}" = "y" ]; then
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echo -n "Removing old SquashFS image..."
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rm "${imgname}"
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echo "done."
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else
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echo "error: SquashFS image '${imgname}' already exists, aborting."
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exit 1
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fi
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fi
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echo "Creating SquashFS image. This may take some time..."
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start=$(date +%s)
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if [ "${QUIET}" = "y" ]; then
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mksquashfs "${work_dir}" "${imgname}" -noappend >/dev/null
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else
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mksquashfs "${work_dir}" "${imgname}" -noappend
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fi
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minutes=$(echo $start $(date +%s) | awk '{ printf "%0.2f",($2-$1)/60 }')
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echo "Image creation done in $minutes minutes."
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}
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command_img () {
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echo "====> Making bootable image"
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if [ -e "${imgname}" ]; then
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if [ "${FORCE}" = "y" ]; then
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echo "Removing existing bootable image..."
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rm -rf "${imgname}"
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else
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echo "error: Image '${imgname}' already exists, aborting."
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exit 1
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fi
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fi
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if [ ! -e "${CPIOCONFIG}" ]; then
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echo "error: mkinitcpio config '${CPIOCONFIG}' does not exist, aborting."
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exit 1
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fi
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kernelver=$(_kversion)
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basedir=${work_dir}
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[ "${work_dir:0:1}" != "/" ] && basedir="$(pwd)/${work_dir}"
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echo "Generating initcpio for image..."
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if [ "${QUIET}" = "y" ]; then
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mkinitcpio -c "${CPIOCONFIG}" -b "${basedir}" -k "${kernelver}" -g "${work_dir}/boot/archiso.img" >/dev/null
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ret=$?
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else
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mkinitcpio -c "${CPIOCONFIG}" -b "${basedir}" -k "${kernelver}" -g "${work_dir}/boot/archiso.img"
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ret=$?
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fi
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if [ $ret -ne 0 ]; then
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echo "error: initcpio image creation failed..."
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exit 1
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fi
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USE_GRUB=1
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bootflags=""
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if [ "$USE_GRUB" = "1" ]; then
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_pacman grub #grub-gfx ??
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mkdir -p "${work_dir}/boot/grub"
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cp "${work_dir}/usr/lib/grub/i386-pc/*" "${work_dir}/boot/grub"
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# copy over kernel and grub configs for boot
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if [ -d "${work_dir}/boot" -a -e "${DEF_CONFIG_DIR}/boot" ]; then
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rm -rf "${work_dir}/boot"
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cp -r "${work_dir}/boot" "${work_dir}"
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cp -rf "${DEF_CONFIG_DIR}/boot" "${work_dir}"
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fi
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bootflags="boot/grub/stage2_eltorito"
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else
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_pacman isolinux
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bootflags="boot/whatever/isolinux"
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fi
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if [ "x$IMG_TYPE" == "xdisk" ]; then
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echo "Creating DISK image..."
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mkusbimg "${work_dir}" "${imgname}"
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else
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echo "Creating ISO image..."
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if [ -z "$bootflags" ]; then
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echo "Eeek, no boot flags found. This probably won't be bootable"
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fi
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qflag=""
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[ "${QUIET}" = "y" ] && qflag="-q"
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mkisofs ${qflag} -r -l $bootflags -uid 0 -gid 0 \
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-no-emul-boot -boot-load-size 4 -boot-info-table \
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-publisher "Arch Linux <archlinux.org>" \
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-input-charset=UTF-8 -p "prepared by mkarchiso" \
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-A "Arch Linux Live/Rescue CD" \
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-o "${imgname}" "${work_dir}"
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fi
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}
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# Go through the main commands in order. If 'all' was specified, then we want
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# to do everything. Start with 'install'.
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if [ "${command_name}" = "install" -o "${command_name}" = "all" ]; then
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command_install
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fi
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if [ "${command_name}" = "squash" -o "${command_name}" = "all" ]; then
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command_squash
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fi
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if [ "${command_name}" = "img" -o "${command_name}" = "all" ]; then
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command_img
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fi
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# vim:ts=4:sw=4:et:
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