forked from mirrored-repos/manjaro-tools
254 lines
6.7 KiB
Bash
254 lines
6.7 KiB
Bash
#!/bin/bash
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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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# m4_include(lib/common.sh)
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source @libdir@/functions.sh
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CHROOT_VERSION='v3'
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RUN=''
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NOCOPY='n'
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working_dir=''
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branch='stable'
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APPNAME=$(basename "${0}")
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# check for systemd running on build system
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if [[ -d /run/systemd ]];then
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nosystemd=false
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else
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nosystemd=true
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fi
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# usage: usage <exitvalue>
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usage() {
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echo "Usage: ${APPNAME} [options] working-dir [package-list | app]"
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echo ' options:'
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echo ' -r <app> Run "app" within the context of the chroot'
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echo ' -u Update the chroot via pacman'
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echo ' -C <file> Location of a pacman config file'
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echo ' -M <file> Location of a makepkg config file'
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echo ' -S <file> Location of a pacman-mirrors config file'
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echo ' -n Do not copy config files into the chroot'
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echo ' -c <dir> Set pacman cache'
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echo ' -b <branch> Set repository branch'
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echo ' -x Use classic chroot instead of systemd-nspawn'
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echo ' -h This message'
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exit 1
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}
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while getopts 'r:ufnxhC:M:S:c:b:' arg; do
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case "${arg}" in
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r) RUN="$OPTARG" ;;
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u) RUN='pacman -Syu --noconfirm' ;;
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C) pac_conf="$OPTARG" ;;
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M) makepkg_conf="$OPTARG" ;;
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n) NOCOPY='y' ;;
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c) cache_dir="$OPTARG" ;;
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b) branch="$OPTARG" ;;
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S) mirrors_conf="$OPTARG" ;;
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x) nosystemd=true ;;
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h|?) usage ;;
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*) error "invalid argument '${arg}'"; usage ;;
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esac
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done
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if (( $EUID != 0 )); then
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die 'This script must be run as root.'
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fi
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shift $(($OPTIND - 1))
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if [[ -z $RUN ]] && (( $# < 2 )); then
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die 'You must specify a directory and one or more packages.'
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elif (( $# < 1 )); then
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die 'You must specify a directory.'
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fi
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working_dir="$(readlink -f ${1})"
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shift 1
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#WORKDIR=${working_dir}
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[[ -z $working_dir ]] && die 'Please specify a working directory.'
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if [[ -z $cache_dir ]]; then
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cache_dirs=($(pacman -v $cache_conf 2>&1 | grep '^Cache Dirs:' | sed 's/Cache Dirs:\s*//g'))
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else
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cache_dirs=(${cache_dir})
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fi
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# Get host mirror
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host_mirror=$(pacman -Sddp extra/devtools 2>/dev/null | sed -E "s#(.*/)(.*/)extra/.*#\1${branch}/\$repo/\$arch#")
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if echo "${host_mirror}" | grep -q 'file://'; then
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host_mirror_path=$(echo "${host_mirror}" | sed -E 's#file://(/.*)/\$repo/\$arch#\1#g')
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fi
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# {{{ functions
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build_mount_args() {
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local p
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declare -g mount_args=()
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if [[ -n $host_mirror_path ]]; then
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printf -v p '%q' "$host_mirror_path"
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mount_args+=(--bind-ro="$p")
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fi
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printf -v p '%q' "${cache_dirs[0]}"
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mount_args+=(--bind="$p")
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for cache_dir in ${cache_dirs[@]:1}; do
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printf -v p '%q' "$cache_dir"
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mount_args+=(--bind-ro="$p")
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done
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}
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copy_hostconf () {
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cp -a /etc/pacman.d/gnupg "${working_dir}/etc/pacman.d"
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echo "Server = ${host_mirror}" > ${working_dir}/etc/pacman.d/mirrorlist
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sed -i -e "s|^.*Branch=.*|Branch=${branch}|" ${working_dir}/etc/pacman-mirrors.conf
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if [[ -n $pac_conf && $NOCOPY = 'n' ]]; then
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cp ${pac_conf} ${working_dir}/etc/pacman.conf
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fi
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if [[ -n $makepkg_conf && $NOCOPY = 'n' ]]; then
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cp ${makepkg_conf} ${working_dir}/etc/makepkg.conf
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fi
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if [[ -n $mirrors_conf && $NOCOPY = 'n' ]]; then
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cp ${mirrors_conf} ${working_dir}/etc/pacman-mirrors.conf
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sed -i -e "s|^.*Branch=.*|Branch=${branch}|" ${working_dir}/etc/pacman-mirrors.conf
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fi
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sed -r "s|^#?\\s*CacheDir.+|CacheDir = $(echo -n ${cache_dirs[@]})|g" -i ${working_dir}/etc/pacman.conf
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}
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chroot_lock () {
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# Only reopen the FD if it wasn't handed to us
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if [[ $(readlink -f /dev/fd/9) != "${working_dir}.lock" ]]; then
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exec 9>"${working_dir}.lock"
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fi
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# Lock the chroot. Take note of the FD number.
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if ! flock -n 9; then
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stat_busy "Locking chroot"
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flock 9
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stat_done
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fi
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}
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# track_mount() {
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# if [[ -z $CHROOT_ACTIVE_MOUNTS ]]; then
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# CHROOT_ACTIVE_MOUNTS=()
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# trap 'chroot_umount' EXIT
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# fi
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#
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# mount "$@" && CHROOT_ACTIVE_MOUNTS=("$2" "${CHROOT_ACTIVE_MOUNTS[@]}")
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# }
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#
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# mount_conditionally() {
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# local cond=$1; shift
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# if eval "$cond"; then
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# track_mount "$@"
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# fi
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# }
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#
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# api_fs_mount_build() {
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# mount_conditionally "! mountpoint -q '$1'" "$1" "$1" --bind &&
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# track_mount proc "$1/proc" -t proc -o nosuid,noexec,nodev &&
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# track_mount sys "$1/sys" -t sysfs -o nosuid,noexec,nodev,ro &&
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# track_mount udev "$1/dev" -t devtmpfs -o mode=0755,nosuid &&
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# track_mount devpts "$1/dev/pts" -t devpts -o mode=0620,gid=5,nosuid,noexec &&
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# track_mount shm "$1/dev/shm" -t tmpfs -o mode=1777,nosuid,nodev &&
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# track_mount run "$1/run" -t tmpfs -o nosuid,nodev,mode=0755 &&
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# track_mount tmp "$1/tmp" -t tmpfs -o mode=1777,strictatime,nodev,nosuid
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# track_mount /etc/resolv.conf "$1/etc/resolv.conf" --bind
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# track_mount ${cache_dirs[0]} "$1/${cache_dirs[0]}" --bind
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# }
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#
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# chroot_umount() {
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# umount "${CHROOT_ACTIVE_MOUNTS[@]}"
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# }
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chroot_run() {
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local dir=$1
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shift
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if ${nosystemd};then
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chroot "${dir}" "${@}"
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else
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systemd-nspawn -D "${dir}" "${mount_args[@]}" -- ${@} 2>/dev/null
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fi
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}
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# }}}
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umask 0022
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if [[ -n $RUN ]]; then
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# run chroot {{{
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#Sanity check
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if [[ ! -f "${working_dir}/.manjaro-chroot" ]]; then
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die "'${working_dir}' does not appear to be a Manjaro chroot."
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elif [[ $(cat "${working_dir}/.manjaro-chroot") != ${CHROOT_VERSION} ]]; then
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die "'${working_dir}' is not compatible with ${APPNAME} version ${CHROOT_VERSION}. Please rebuild."
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fi
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chroot_lock
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if ${nosystemd};then
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api_fs_mount "${working_dir}"
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track_mount /etc/resolv.conf "${working_dir}/etc/resolv.conf" --bind
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track_mount ${cache_dirs[0]} "${working_dir}/${cache_dirs[0]}" --bind
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else
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build_mount_args
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fi
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copy_hostconf
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chroot_run "${working_dir}" ${RUN}
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# }}}
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else
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# {{{ build chroot
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if [[ -e $working_dir ]]; then
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die "Working directory '${working_dir}' already exists"
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fi
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mkdir -p "${working_dir}"
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if [[ "$(stat -f -c %T "${working_dir}")" == btrfs ]]; then
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rmdir "${working_dir}"
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if ! btrfs subvolume create "${working_dir}"; then
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die "Couldn't create subvolume for '${working_dir}'"
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fi
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chmod 0755 "${working_dir}"
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fi
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chroot_lock
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pacargs=("${cache_dirs[@]/#/--cachedir=}")
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if [[ -n $pac_conf ]]; then
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pacargs+=("--config=${pac_conf}")
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fi
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if ! basestrap -GMcd "${working_dir}" "${pacargs[@]}" "$@"; then
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die 'Failed to install all packages'
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fi
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printf '%s.UTF-8 UTF-8\n' en_US de_DE > "${working_dir}/etc/locale.gen"
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chroot_run "${working_dir}" locale-gen
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echo 'LANG=C' > "${working_dir}/etc/locale.conf"
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copy_hostconf
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echo "${CHROOT_VERSION}" > "${working_dir}/.manjaro-chroot"
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# }}}
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fi
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