158 lines
4.1 KiB
Bash
Executable File
158 lines
4.1 KiB
Bash
Executable File
#!/bin/sh
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; version 2 of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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FORCE="n"
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RUN=""
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working_dir=""
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APPNAME=$(basename "${0}")
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if [ "$EUID" != "0" ]; then
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echo "This script must be run as root."
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exit 1
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fi
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usage ()
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{
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echo "usage ${APPNAME} [options] working-dir package [package [package..]]"
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echo " options:"
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echo " -r <app> run 'app' within the context of the chroot"
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echo " -f force overwrite of files in the working-dir"
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echo " -h this message."
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exit 1
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}
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while getopts 'r:fh' arg; do
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case "${arg}" in
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r) RUN="$OPTARG" ;;
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f) FORCE="y" ;;
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h|?) usage ;;
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*) echo "invalid argument '${arg}'"; usage ;;
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esac
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done
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shift $(($OPTIND - 1))
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if [ "$RUN" == "" -a $# -lt 2 ]; then
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echo "you must specify a directory and one or more packages"
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usage
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elif [ $# -lt 1 ]; then
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echo "you must specify a directory"
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usage
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fi
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working_dir="$(readlink -f ${1})"
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shift 1
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[ "${working_dir}" = "" ] && echo "error: please specify a working directory" && usage
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# {{{ functions
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function chroot_mount ()
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{
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echo "mounting sysfs : /sys"
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[ -e "${working_dir}/sys" ] || mkdir "${working_dir}/sys"
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mount -t sysfs sysfs "${working_dir}/sys"
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echo "mounting procfs : /proc"
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[ -e "${working_dir}/proc" ] || mkdir "${working_dir}/proc"
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mount -t proc proc "${working_dir}/proc"
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echo "binding device nodes : /dev"
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[ -e "${working_dir}/dev" ] || mkdir "${working_dir}/dev"
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mount -o bind /dev "${working_dir}/dev"
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echo "binding pacman cache : /var/cache/pacman"
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[ -e "${working_dir}/var/cache/pacman" ] || mkdir -p "${working_dir}/var/cache/pacman"
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mount -o bind /var/cache/pacman "${working_dir}/var/cache/pacman"
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trap 'chroot_umount' 0 1 2 15
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}
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function chroot_umount ()
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{
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echo "cleaning up mounts"
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umount "${working_dir}/proc"
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umount "${working_dir}/sys"
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umount "${working_dir}/dev"
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umount "${working_dir}/var/cache/pacman"
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}
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# }}}
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if [ "$RUN" != "" ]; then
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# run chroot {{{
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if [ "$EUID" != "0" ]; then
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echo "Running a chroot requires root privileges, aborting"
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exit 1
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fi
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#Sanity check
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if [ ! -f "${working_dir}/.arch-chroot" ]; then
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echo "'${working_dir}' does not appear to be a Arch chroot"
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echo " please build the image using mkarchchroot"
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exit 1
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fi
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chroot_mount
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echo "starting chroot ($RUN)"
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chroot "${working_dir}" "${RUN}"
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# }}}
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else
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# {{{ build chroot
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if [ -e "${working_dir}" -a "${FORCE}" = "n" ]; then
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echo "Working dir '${working_dir}' already exists - try using -f"
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exit 1
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fi
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mkdir -p "${working_dir}"
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chroot_mount
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pacargs="--noconfirm -v " #--noprogressbar -v
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pacargs="$pacargs --root=${working_dir}"
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# pacman takes these as relative to the given root
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pacargs="$pacargs --dbpath=/var/lib/pacman"
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pacargs="$pacargs --cachedir=/var/cache/pacman/pkg"
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if [ $# -eq 0 ]; then
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echo "no packages to install"
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else
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echo "installing packages:"
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for i in $@; do echo -e "\t$i"; done
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op="-Sy"
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if [ "$FORCE" == "y" ]; then
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op="${op}f"
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fi
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if ! pacman ${op} ${pacargs} $@; then
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echo "error: failed to instal all packages"
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exit 1
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fi
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fi
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if [ -d "${working_dir}/lib/modules" ]; then
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echo "running ldconfig"
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ldconfig -r "${working_dir}"
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fi
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echo "generating default locales"
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sed -i "s|^#\(.*$LANG\)|\1|g" "${working_dir}/etc/locale.gen"
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chroot "${working_dir}" locale-gen
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if [ ! -e "${working_dir}/.arch-chroot" ]; then
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date +%s > "${working_dir}/.arch-chroot"
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fi
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# }}}
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fi
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# vim:ft=sh:ts=4:sw=4:et:
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