#!/bin/sh

SELF=$(readlink -f "$0")
SRCDIR=${SELF%/*/*}
. "${SRCDIR}"/lib/common.sh

base=aimee-os.org/gentoo/stage3-amd64-nomultilib-openrc:latest
while [ $# -gt 0 ]; do
    case "$1" in
    -b|--base)
        shift
        base="$1"
        ;;
    *)
        printf 'Unknown argument: %s\n' "$1" >&2
        exit 2
        ;;
    esac
done

set -e

builddir=$(export TMPDIR=${TMPDIR:-${PWD}} && mktemp -d gentoo.XXXXXX)
builddir=$(readlink -f "${builddir}")

work=$(buildah from -v "${builddir}":/mnt/gentoo:rw,Z "${base}")
buildah add "${work}" portage /etc/portage/
buildah_run_script "${work}" "${SRCDIR}"/lib/sync.sh
buildah_run_script "${work}" "${SRCDIR}"/lib/bootstrap.sh

cid=$(buildah from scratch)
buildah copy "${cid}" "${builddir}" /
buildah_run_script "${cid}" "${SRCDIR}"/lib/profile.sh
buildah config --cmd /bin/bash "${cid}"
buildah commit --rm --squash "${cid}" aimee-os.org/build/base

buildah run "${work}" find /mnt/gentoo -mindepth 1 -delete
buildah rm "${work}"
rmdir "${builddir}"