FROM ghcr.io/openwrt/buildbot/buildworker-v3.11.8:v21 as builder

ARG DOWNLOAD_FILE="imagebuilder-.*x86_64.tar.[xz|zst]"
ARG TARGET=x86/64
ARG FILE_HOST=downloads.openwrt.org
ARG VERSION_PATH

ENV DOWNLOAD_FILE=$DOWNLOAD_FILE
ENV TARGET=$TARGET
ENV FILE_HOST=$FILE_HOST
ENV VERSION_PATH=$VERSION_PATH

USER root
WORKDIR /builder/rootfs

ADD --chown=buildbot:buildbot keys/*.asc /builder/keys/
COPY --chmod=0755 setup.sh /builder/setup.sh

RUN /builder/setup.sh

FROM scratch

ARG CMD=/bin/ash
ARG USER=root

ENV CMD=$CMD
ENV USER=$USER

COPY --from=builder  /builder/rootfs/ /

ENTRYPOINT [ ]

# required to have CMD as ENV to be executed
ENV CMD_ENV=${CMD}
CMD ${CMD_ENV}