ISO/mkarchiso
Dan McGee 9a34024e57 Allow livecd to be developer friendly
We should clean up some stuff but not actually muddle with what is installed
by packages. Leave static libs if they were installed, and leave include
files so we can actually build a package from the live CD if we want to.

Signed-off-by: Dan McGee <dan@archlinux.org>
2007-10-24 02:05:32 -05:00

254 lines
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Executable File

#!/bin/sh
CPIOCONFIG="$(pwd)/archiso-mkinitcpio.conf"
DEF_CONFIG_DIR="$(pwd)/default-config"
PKGFILE="$(pwd)/packages.list"
PKGLIST=""
QUIET="y"
FORCE="n"
ADDON_DIR=""
command_name=""
work_dir=""
isoname=""
APPNAME=$(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 " -a ADDON_DIR Use addons from DIR. default: none"
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 $1
}
while getopts 'i:P:p:a:fvh' arg; do
case "${arg}" in
i) CPIOCONFIG="${OPTARG}" ;;
P) PKGFILE="${OPTARG}" ;;
p) PKGLIST="${PKGLIST} ${OPTARG}" ;;
a) ADDON_DIR="${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 -ra --remove-destination --no-preserve=ownership ${DEF_CONFIG_DIR}/* "${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/* 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
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
# TODO: this might belong somewhere else
if [ -d "${ADDON_DIR}" ]; then
echo "Copying addons from ${ADDON_DIR}..."
cp -r ${ADDON_DIR} ${isoroot}/addons
fi
fi
# Squash is the next step.
if [ "${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
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