#!/usr/bin/env bash # Depends on lxf cleanup() { lxf umount "$cnt"; } buildscript() { cat <<- EOF #!/usr/bin/env bash # The builder user is already created in the rootfs export PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin export LC_ALL=en_US.UTF-8 # Network dhcpcd eth0 # Upgrade pacman -Suy --noconfirm # Build dir mkdir -m777 /buildroot # Build the damn thing cd /buildroot sudo -u builder git clone "$pkg_url" . sudo -u builder makepkg -s --noconfirm -L EOF } # Config wrk_dir='/home/lxc' # Parameters pkg_url=$1 pkg_dest=$2 cnt="_makepkg.$$" cnt_dir="$wrk_dir/containers/$cnt" # Create new container lxf -r builder -i base new "$cnt" || exit $? # Unmount the thing in any case trap 'cleanup' INT TERM EXIT # Add the build script buildscript > "$cnt_dir/rootfs/init" chmod 755 "$cnt_dir/rootfs/init" # Start the container lxc-start -n "$cnt" -F /init || exit $? # Put the artifacts where asked to [[ "$pkg_dest" ]] && { artifacts=( "$cnt_dir/rootfs/buildroot/"*.pkg.* ) for i in "${artifacts[@]}"; do i_name="${i##*/}" printf 'Found artifact: %s\n' "$i_name" if [[ -f "$pkg_dest/$i_name" ]]; then echo "$pkg_dest/$i_name already exists, not overwriting." else cp -vn "$i" "$pkg_dest" fi done }