119 lines
3.3 KiB
Bash
119 lines
3.3 KiB
Bash
#!/bin/bash
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# License: GNU GPLv2
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#
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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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m4_include(lib/archroot.sh)
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working_dir=''
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files=()
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usage() {
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echo "Usage: ${0##*/} [options] working-dir [systemd-nspawn arguments]"
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echo "A wrapper around systemd-nspawn. Provides support for pacman."
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echo
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echo ' options:'
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echo ' -C <file> Location of a pacman config file'
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echo ' -M <file> Location of a makepkg config file'
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echo ' -c <dir> Set pacman cache'
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echo ' -f <file> Copy file from the host to the chroot'
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echo ' -s Do not run setarch'
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echo ' -h This message'
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exit 1
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}
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while getopts 'hC:M:c:f:s' arg; do
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case "$arg" in
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C) pac_conf="$OPTARG" ;;
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M) makepkg_conf="$OPTARG" ;;
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c) cache_dir="$OPTARG" ;;
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f) files+=("$OPTARG") ;;
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s) nosetarch=1 ;;
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h|?) usage ;;
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*) error "invalid argument '%s'" "$arg"; usage ;;
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esac
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done
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shift $((OPTIND - 1))
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(( $# < 1 )) && die 'You must specify a directory.'
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check_root
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working_dir=$(readlink -f "$1")
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shift 1
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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 2>&1 | grep '^Cache Dirs:' | sed 's/Cache Dirs:\s*//g'))
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else
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cache_dirs=("$cache_dir")
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fi
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# shellcheck disable=2016
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host_mirror=$(pacman --cachedir /doesnt/exist -Sddp extra/devtools 2>/dev/null | sed -r 's#(.*/)extra/os/.*#\1$repo/os/$arch#')
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# shellcheck disable=2016
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[[ $host_mirror == *file://* ]] && host_mirror_path=$(echo "$host_mirror" | sed -r 's#file://(/.*)/\$repo/os/\$arch#\1#g')
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# {{{ functions
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build_mount_args() {
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declare -g mount_args=()
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if [[ -n $host_mirror_path ]]; then
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mount_args+=("--bind-ro=$host_mirror_path")
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fi
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mount_args+=("--bind=${cache_dirs[0]}")
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for cache_dir in "${cache_dirs[@]:1}"; do
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mount_args+=("--bind-ro=$cache_dir")
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done
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}
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copy_hostconf () {
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cp -a /etc/pacman.d/gnupg "$working_dir/etc/pacman.d"
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echo "Server = $host_mirror" >"$working_dir/etc/pacman.d/mirrorlist"
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[[ -n $pac_conf ]] && cp "$pac_conf" "$working_dir/etc/pacman.conf"
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[[ -n $makepkg_conf ]] && cp "$makepkg_conf" "$working_dir/etc/makepkg.conf"
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local file
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for file in "${files[@]}"; do
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mkdir -p "$(dirname "$working_dir$file")"
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cp -T "$file" "$working_dir$file"
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done
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sed -r "s|^#?\\s*CacheDir.+|CacheDir = $(echo -n "${cache_dirs[@]}")|g" -i "$working_dir/etc/pacman.conf"
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}
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# }}}
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umask 0022
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# Sanity check
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if [[ ! -f "$working_dir/.arch-chroot" ]]; then
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die "'%s' does not appear to be an Arch chroot." "$working_dir"
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elif [[ $(cat "$working_dir/.arch-chroot") != "$CHROOT_VERSION" ]]; then
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die "chroot '%s' is not at version %s. Please rebuild." "$working_dir" "$CHROOT_VERSION"
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fi
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build_mount_args
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copy_hostconf
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eval "$(grep '^CARCH=' "$working_dir/etc/makepkg.conf")"
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[[ -z $nosetarch ]] || unset CARCH
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exec ${CARCH:+setarch "$CARCH"} systemd-nspawn -q \
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-D "$working_dir" \
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--register=no \
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"${mount_args[@]}" \
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"$@"
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