diff options
Diffstat (limited to 'src/devtools/mkarchroot.in')
-rw-r--r-- | src/devtools/mkarchroot.in | 302 |
1 files changed, 0 insertions, 302 deletions
diff --git a/src/devtools/mkarchroot.in b/src/devtools/mkarchroot.in deleted file mode 100644 index 96f4399..0000000 --- a/src/devtools/mkarchroot.in +++ /dev/null @@ -1,302 +0,0 @@ -#!/bin/bash -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; version 2 of the License. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. - -source @pkgdatadir@/common.sh - -CHROOT_VERSION='v2' - -FORCE='n' -RUN='' -NOCOPY='n' -NONETWORK='n' - -working_dir='' - -APPNAME=$(basename "${0}") - -# usage: usage <exitvalue> -usage() { - echo "Usage: ${APPNAME} [options] working-dir [action]" - echo ' options:' - echo ' -f Force overwrite of files in the working-dir' - echo ' -C <file> Location of a pacman config file' - echo ' -M <file> Location of a makepkg config file' - echo ' -n Do not copy config files into the chroot' - echo ' -c <dir> Set pacman cache' - echo ' -N Disable networking in the chroot' - echo ' actions:' - echo ' -i <pkg-list> Install "pkg-list" in the chroot.' - echo ' Creates the chroot if necessary, workding-dir must exist' - echo ' -r <cmd> Run "cmd" within the context of the chroot' - echo ' -u Update the chroot via pacman' - echo ' -h Print this message' - - exit ${1-1} -} - -################################################################################ - -while getopts 'fC:M:nc:Nh' arg; do - case "${arg}" in - f) FORCE='y' ;; - C) pac_conf="$OPTARG" ;; - M) makepkg_conf="$OPTARG" ;; - n) NOCOPY='y' ;; - c) cache_dir="$OPTARG" ;; - N) NONETWORK='y' ;; - - h) action="-$arg" ;; - - *) error "invalid argument '${arg}'"; usage ;; - esac -done - -shift $(($OPTIND - 1)) - -if (( $# < 2 )); then - error 'You must specify a directory and an action.' - usage -fi - -working_dir="$(readlink -f "${1}")" -shift 1 -[[ -z $working_dir ]] && die 'Please specify a working directory.' - -action=$1 -shift 1 -case "$action" in - -i) PKGS=("$@") ;; - -r) RUN="$*" ;; - -u) - (( $# > 0 )) && { error 'Extra arguments.'; usage; } - RUN='/bin/sh -c "pacman -Syu --noconfirm && (pacman -Qqu >/dev/null && pacman -Su --noconfirm || exit 0)"' - ;; - -h) usage 0 ;; - -*) error "invalid argument '${action#-}'"; usage ;; - *) error "invalid action '${action}'"; usage ;; -esac -unset action - -################################################################################ - -if (( $EUID != 0 )); then - die 'This script must be run as root.' -fi - -if [[ -z $cache_dir ]]; then - cache_dirs=($(pacman -v $cache_conf 2>&1 | grep '^Cache Dirs:' | sed 's/Cache Dirs:\s*//g')) -else - cache_dirs=(${cache_dir}) -fi - -host_mirror=$(pacman -Sddp extra/devtools 2>/dev/null | sed -E 's#(.*/)extra/os/.*#\1$repo/os/$arch#') -if echo "${host_mirror}" | grep -q 'file://'; then - host_mirror_path=$(echo "${host_mirror}" | sed -E 's#file://(/.*)/\$repo/os/\$arch#\1#g') -fi - -# {{{ functions -bind_mount() { - local mode="${2:-rw}" - local target="${working_dir}${1}" - - if [[ ! -e "$target" ]]; then - if [[ -d "$1" ]]; then - install -d "$target" - else - install -D /dev/null "$target" - fi - fi - - mount -o bind "$1" "$target" - mount -o remount,${mode},bind "$target" - mount --make-slave "$target" -} - -chroot_mount() { - trap 'trap_chroot_umount' EXIT INT QUIT TERM HUP - - if (( ! have_nspawn )); then - bind_mount /sys ro - - [[ -e "${working_dir}/proc" ]] || mkdir "${working_dir}/proc" - mount -t proc proc -o nosuid,noexec,nodev "${working_dir}/proc" - bind_mount /proc/sys ro - - [[ -e "${working_dir}/dev" ]] || mkdir "${working_dir}/dev" - mount -t tmpfs dev "${working_dir}/dev" -o mode=0755,size=10M,nosuid,strictatime - mknod -m 666 "${working_dir}/dev/null" c 1 3 - mknod -m 666 "${working_dir}/dev/zero" c 1 5 - mknod -m 600 "${working_dir}/dev/console" c 5 1 - mknod -m 644 "${working_dir}/dev/random" c 1 8 - mknod -m 644 "${working_dir}/dev/urandom" c 1 9 - mknod -m 666 "${working_dir}/dev/tty" c 5 0 - mknod -m 666 "${working_dir}/dev/ptmx" c 5 2 - mknod -m 666 "${working_dir}/dev/tty0" c 4 0 - mknod -m 666 "${working_dir}/dev/full" c 1 7 - mknod -m 666 "${working_dir}/dev/rtc0" c 254 0 - ln -s /proc/kcore "${working_dir}/dev/core" - ln -s /proc/self/fd "${working_dir}/dev/fd" - ln -s /proc/self/fd/0 "${working_dir}/dev/stdin" - ln -s /proc/self/fd/1 "${working_dir}/dev/stdout" - ln -s /proc/self/fd/2 "${working_dir}/dev/stderr" - - [[ -e "${working_dir}/dev/shm" ]] || mkdir "${working_dir}/dev/shm" - mount -t tmpfs shm "${working_dir}/dev/shm" -o nodev,nosuid,size=128M - - bind_mount /dev/pts - - [[ -e "${working_dir}/run" ]] || mkdir "${working_dir}/run" - mount -t tmpfs tmpfs "${working_dir}/run" -o mode=0755,nodev,nosuid,strictatime,size=64M - - for host_config in resolv.conf localtime; do - bind_mount /etc/$host_config ro - done - fi - - [[ -n $host_mirror_path ]] && bind_mount "$host_mirror_path" ro - - bind_mount "${cache_dirs[0]}" - for cache_dir in ${cache_dirs[@]:1}; do - bind_mount "$cache_dir" ro - done -} - -copy_hostconf () { - cp -a /etc/pacman.d/gnupg "${working_dir}/etc/pacman.d" - echo "Server = ${host_mirror}" > ${working_dir}/etc/pacman.d/mirrorlist - - if [[ -n $pac_conf && $NOCOPY = 'n' ]]; then - cp ${pac_conf} ${working_dir}/etc/pacman.conf - fi - - if [[ -n $makepkg_conf && $NOCOPY = 'n' ]]; then - cp ${makepkg_conf} ${working_dir}/etc/makepkg.conf - fi - - sed -r "s|^#?\\s*CacheDir.+|CacheDir = $(echo -n ${cache_dirs[@]})|g" -i ${working_dir}/etc/pacman.conf -} - -trap_unmount_err () { - error "Error unmounting" -} - -trap_chroot_umount () { - trap 'trap_unmount_err' INT QUIT TERM HUP EXIT - - for cache_dir in ${cache_dirs[@]}; do - umount "${working_dir}/${cache_dir}" - done - [[ -n $host_mirror_path ]] && umount "${working_dir}/${host_mirror_path}" - - if (( ! have_nspawn )); then - for host_config in resolv.conf localtime; do - umount "${working_dir}/etc/${host_config}" - done - umount "${working_dir}/proc/sys" - umount "${working_dir}/proc" - umount "${working_dir}/sys" - umount "${working_dir}/dev/pts" - umount "${working_dir}/dev/shm" - umount "${working_dir}/dev" - umount "${working_dir}/run" - fi - - trap 'trap_abort' INT QUIT TERM HUP - trap 'trap_exit' EXIT -} - -chroot_lock () { - lock_open_write 9 "${working_dir}" "Locking chroot" -} - -chroot_run() { - local dir=$1 - shift - if (( have_nspawn)); then - local nspawn_args=(-D "$dir") - if [[ $NONETWORK = y ]]; then - nspawn_args+=(--private-network) - fi - eval systemd-nspawn "${nspawn_args[@]}" -- "${@}" 2>/dev/null - else - local unshare_args=(-mui) - if [[ $NONETWORK = y ]]; then - unshare_args+=(-n) - fi - eval unshare "${unshare_args[@]}" -- chroot "${dir}" "${@}" - fi -} - -# }}} - -# use systemd-nspawn if we have it available and systemd is running -if type -P systemd-nspawn >/dev/null && mountpoint -q /sys/fs/cgroup/systemd; then - have_nspawn=1 -fi - -umask 0022 -if [[ -n $RUN ]]; then - # run chroot {{{ - #Sanity check - if [[ ! -f "${working_dir}/.arch-chroot" ]]; then - die "'${working_dir}' does not appear to be a Arch chroot." - elif [[ $(cat "${working_dir}/.arch-chroot") != ${CHROOT_VERSION} ]]; then - die "'${working_dir}' is not compatible with ${APPNAME} version ${CHROOT_VERSION}. Please rebuild." - fi - - chroot_lock - chroot_mount - copy_hostconf - - chroot_run "${working_dir}" ${RUN} - - # }}} -else - # {{{ build chroot - if [[ -e $working_dir && $FORCE = 'n' ]]; then - die "Working directory '${working_dir}' already exists - try using -f" - fi - - if { type -P btrfs && btrfs subvolume create "${working_dir}"; } &>/dev/null; then - chmod 0755 "${working_dir}" - fi - - chroot_lock - chroot_mount - - pacargs="${cache_dirs[@]/#/--cachedir=}" - if [[ -n $pac_conf ]]; then - pacargs="$pacargs --config=${pac_conf}" - fi - - if (( $# != 0 )); then - if [[ $FORCE = 'y' ]]; then - pacargs="$pacargs --force" - fi - if ! pacstrap -GMcd "${working_dir}" ${pacargs} "${PKGS[@]}"; then - die 'Failed to install all packages' - fi - fi - - if [[ -d "${working_dir}/lib/modules" ]]; then - chroot_run "${working_dir}" ldconfig - fi - - if [[ -e "${working_dir}/etc/locale.gen" ]]; then - sed -i 's@^#\(en_US\|de_DE\)\(\.UTF-8\)@\1\2@' "${working_dir}/etc/locale.gen" - chroot_run "${working_dir}" locale-gen - fi - echo 'LANG=C' > "${working_dir}/etc/locale.conf" - - copy_hostconf - - echo "${CHROOT_VERSION}" > "${working_dir}/.arch-chroot" - # }}} -fi |