ISO/archiso/mkarchiso
Aaron Griffin e7a7902104 Add some config output on calling mkarchiso
Signed-off-by: Aaron Griffin <aaronmgriffin@gmail.com>
2008-10-19 19:57:09 -05:00

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