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-rw-r--r--mkarchroot.in142
1 files changed, 26 insertions, 116 deletions
diff --git a/mkarchroot.in b/mkarchroot.in
index 5c1298b..68db64c 100644
--- a/mkarchroot.in
+++ b/mkarchroot.in
@@ -12,53 +12,33 @@ m4_include(lib/common.sh)
CHROOT_VERSION='v3'
-RUN=''
-NOCOPY='n'
-
working_dir=''
-APPNAME=$(basename "${0}")
-
-# usage: usage <exitvalue>
usage() {
- echo "Usage: ${APPNAME} [options] working-dir [package-list | app]"
+ echo "Usage: ${0##*/} [options] working-dir [package-list | app]"
echo ' options:'
- echo ' -r <app> Run "app" within the context of the chroot'
- echo ' -u Update the chroot via pacman'
echo ' -C <file> Location of a pacman config file'
echo ' -M <file> Location of a makepkg config file'
- echo ' -n Do not copy config files into the chroot'
echo ' -c <dir> Set pacman cache'
echo ' -h This message'
exit 1
}
-while getopts 'r:ufnhC:M:c:' arg; do
- case "${arg}" in
- r) RUN="$OPTARG" ;;
- u) RUN='pacman -Syu --noconfirm' ;;
+while getopts 'hC:M:c:' arg; do
+ case "$arg" in
C) pac_conf="$OPTARG" ;;
M) makepkg_conf="$OPTARG" ;;
- n) NOCOPY='y' ;;
c) cache_dir="$OPTARG" ;;
h|?) usage ;;
- *) error "invalid argument '${arg}'"; usage ;;
+ *) error "invalid argument '$arg'"; usage ;;
esac
done
-
-if (( $EUID != 0 )); then
- die 'This script must be run as root.'
-fi
-
shift $(($OPTIND - 1))
-if [[ -z $RUN ]] && (( $# < 2 )); then
- die 'You must specify a directory and one or more packages.'
-elif (( $# < 1 )); then
- die 'You must specify a directory.'
-fi
+(( $EUID != 0 )) && die 'This script must be run as root.'
+(( $# < 2 )) && die 'You must specify a directory and one or more packages.'
-working_dir="$(readlink -f ${1})"
+working_dir="$(readlink -f $1)"
shift 1
[[ -z $working_dir ]] && die 'Please specify a working directory.'
@@ -69,45 +49,7 @@ else
cache_dirs=(${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
-build_mount_args() {
- local p
- declare -g mount_args=()
-
- if [[ -n $host_mirror_path ]]; then
- printf -v p '%q' "$host_mirror_path"
- mount_args+=(--bind-ro="$p")
- fi
-
- printf -v p '%q' "${cache_dirs[0]}"
- mount_args+=(--bind="$p")
-
- for cache_dir in ${cache_dirs[@]:1}; do
- printf -v p '%q' "$cache_dir"
- mount_args+=(--bind-ro="$p")
- done
-}
-
-copy_hostconf () {
- cp -a /etc/pacman.d/gnupg "${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
-}
-
chroot_lock () {
# Only reopen the FD if it wasn't handed to us
if [[ $(readlink -f /dev/fd/9) != "${working_dir}.lock" ]]; then
@@ -121,65 +63,33 @@ chroot_lock () {
stat_done
fi
}
-
-chroot_run() {
- local dir=$1
- shift
- systemd-nspawn -D "${dir}" "${mount_args[@]}" -- ${@} 2>/dev/null
-}
-
# }}}
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
- build_mount_args
- copy_hostconf
+[[ -e $working_dir ]] && die "Working directory '$working_dir' already exists"
- chroot_run "${working_dir}" ${RUN}
+mkdir -p "$working_dir"
- # }}}
-else
- # {{{ build chroot
- if [[ -e $working_dir ]]; then
- die "Working directory '${working_dir}' already exists"
- fi
+chroot_lock
- mkdir -p "${working_dir}"
-
- if [[ "$(stat -f -c %T "${working_dir}")" == btrfs ]]; then
- rmdir "${working_dir}"
- if ! btrfs subvolume create "${working_dir}"; then
- die "Couldn't create subvolume for '${working_dir}'"
- fi
- chmod 0755 "${working_dir}"
- fi
-
- chroot_lock
-
- pacargs=("${cache_dirs[@]/#/--cachedir=}")
- if [[ -n $pac_conf ]]; then
- pacargs+=("--config=${pac_conf}")
- fi
-
- if ! pacstrap -GMcd "${working_dir}" "${pacargs[@]}" "$@"; then
- die 'Failed to install all packages'
+if [[ $(stat -f -c %T "$working_dir") == btrfs ]]; then
+ rmdir "$working_dir"
+ if ! btrfs subvolume create "$working_dir"; then
+ die "Couldn't create subvolume for '$working_dir'"
fi
+ chmod 0755 "$working_dir"
+fi
- printf '%s.UTF-8 UTF-8\n' en_US de_DE > "${working_dir}/etc/locale.gen"
- chroot_run "${working_dir}" locale-gen
- echo 'LANG=C' > "${working_dir}/etc/locale.conf"
+pacstrap -GMcd ${pac_conf:+-C "$pac_conf"} "$working_dir" \
+ "${cache_dirs[@]/#/--cachedir=}" "$@" || die 'Failed to install all packages'
- copy_hostconf
+printf '%s.UTF-8 UTF-8\n' en_US de_DE > "$working_dir/etc/locale.gen"
+echo 'LANG=C' > "$working_dir/etc/locale.conf"
+echo "$CHROOT_VERSION" > "$working_dir/.arch-chroot"
- echo "${CHROOT_VERSION}" > "${working_dir}/.arch-chroot"
- # }}}
-fi
+exec arch-nspawn \
+ ${pac_conf:+-C "$pac_conf"} \
+ ${makepkg_conf:+-M "$makepkg_conf"} \
+ ${cache_dir:+-c "$cache_dir"} \
+ "$working_dir" locale-gen