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|
#!/bin/bash
CPIOCONFIG="$(pwd)/archiso-mkinitcpio.conf"
DEF_CONFIG_DIR="$(pwd)/overlay"
PKGFILE="$(pwd)/packages.list"
PKGLIST=""
QUIET="y"
FORCE="n"
ADDON_DIR=""
command_name=""
work_dir=""
imgname=""
APPNAME=$(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 PKGFILE File with list of packages to install. default: ${PKGFILE}"
echo " -p PACKAGE Additional package to install, can be used multiple times"
echo " -a ADDON_DIR Use addons from DIR. default: none"
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> : where to build the image root"
echo " squash <working dir> : generate a squashfs image of the installed root"
echo " img <working dir> <image name> : build an image from the working directory"
echo " all <working dir> <image name> : perform all of the above, in order"
exit $1
}
while getopts 'i:P:p:a:t:fvh' arg; do
case "${arg}" in
i) CPIOCONFIG="${OPTARG}" ;;
P) PKGFILE="${OPTARG}" ;;
p) PKGLIST="${PKGLIST} ${OPTARG}" ;;
a) ADDON_DIR="${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="${1}"
case "${command_name}" in
install) work_dir="${2}" ;;
squash) work_dir="${2}" ;;
img) work_dir="${2}"; imgname="${3}" ;;
all) work_dir="${2}"; imgname="${3}" ;;
*) echo "invalid command name '${command_name}'"; usage 1 ;;
esac
[ "x${work_dir}" = "x" ] && (echo "please specify a working directory" && usage 1)
imgroot="${work_dir}/img"
instroot="${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 "${command_name}" = "all" ]; then
echo "====> Installing/building image root"
if [ -e "${work_dir}" -a "${FORCE}" = "n" ]; then
echo "error: Working dir '${work_dir}' already exists, aborting."
exit 1
fi
mkdir -p "${imgroot}"
mkdir -p "${instroot}"
echo "Installing packages..."
echo " Installing packages from '${PKGFILE}'"
install_pkgfile "${PKGFILE}"
for pkg in ${PKGLIST}; do
echo " Installing package '${pkg}'"
_pacman "${pkg}"
done
echo "Updating kernel module dependencies"
kernelver=$(_kversion)
depmod -a -b "${instroot}" "${kernelver}"
# remove the initcpio images that were generated for the host system
find "${instroot}/boot" -name *.img -delete
echo "Creating default home directory"
install -d -o1000 -g100 -m0755 "${instroot}/home/arch"
# Cleanup
echo "Cleaning up image 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/* initrd"
for x in ${kill_dirs}; do
if [ -e "${instroot}/${x}" ]; then
rm -rf "${instroot}/${x}"
fi
done
# pacman DBs are big, delete all sync dbs
rm -rf "${instroot}/var/lib/pacman/sync"
# copy over kernel and grub configs for boot
if [ -e "${instroot}/boot" -a -e "${DEF_CONFIG_DIR}/boot" ]; then
rm -rf "${imgroot}/boot"
cp -r "${instroot}/boot" "${imgroot}"
cp -rf "${DEF_CONFIG_DIR}/boot" "${imgroot}"
fi
# TODO: this might belong somewhere else
mkdir -p "${imgroot}/addons"
if [ -d "${ADDON_DIR}" ]; then
echo "Copying addons from ${ADDON_DIR}..."
cp -r ${ADDON_DIR}/* "${imgroot}/addons"
fi
# always make an addon out of DEF_CONFIG_DIR
echo "Creating default overlay..."
if [ "${QUIET}" = "y" ]; then
mksquashfs "${DEF_CONFIG_DIR}" "${imgroot}/addons/overlay.sqfs" -noappend >/dev/null
else
mksquashfs "${DEF_CONFIG_DIR}" "${imgroot}/addons/overlay.sqfs" -noappend
fi
fi
# Squash is the next step.
if [ "${command_name}" = "squash" -o "${command_name}" = "all" ]; then
echo "====> Generating SquashFS image"
imagename="${imgroot}/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}" -noappend >/dev/null
else
mksquashfs "${instroot}" "${imagename}" -noappend
fi
minutes=$(echo $start $(date +%s) | awk '{ printf "%0.2f",($2-$1)/60 }')
echo "Image creation done in $minutes minutes."
fi
# Finally, make the image.
if [ "${command_name}" = "img" -o "${command_name}" = "all" ]; then
echo "====> Making bootable image"
[ "x${imgname}" = "x" ] && (echo "Bootable image name must be specified" && usage 1)
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=$(_kversion)
basedir=${instroot}
[ "${instroot:0:1}" != "/" ] && basedir="$(pwd)/${instroot}"
echo "Generating initcpio for image..."
if [ "${QUIET}" = "y" ]; then
mkinitcpio -c "${CPIOCONFIG}" -b "${basedir}" -k "${kernelver}" -g "${imgroot}/boot/archlive.img" >/dev/null
ret=$?
else
mkinitcpio -c "${CPIOCONFIG}" -b "${basedir}" -k "${kernelver}" -g "${imgroot}/boot/archlive.img"
ret=$?
fi
if [ $ret -ne 0 ]; then
echo "error: initcpio image creation failed..."
exit 1
fi
cp ${instroot}/usr/lib/grub/i386-pc/* "${imgroot}/boot/grub"
if [ "x$IMG_TYPE" == "xdisk" ]; then
echo "Creating DISK image..."
mkusbimg "${imgroot}" "${imgname}"
else
echo "Creating ISO image..."
q=""
[ "${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 $NAME" \
-A "Arch Linux Live/Rescue CD" \
-o "${imgname}" "${imgroot}"
fi
fi
# vim:ts=4:sw=4:et:
|
