FROM alpine:3.14 AS stage
ARG PLATFORMS="@@@PLATFORMS@@@"
ARG TOOLKIT_VER="@@@TOOLKIT_VER@@@"

# Copy downloaded toolkits
ADD cache /cache
# Extract toolkits
RUN for V in ${PLATFORMS}; do \
      echo "${V}" | while IFS=':' read PLATFORM KVER; do \
        echo "Extracting ds.${PLATFORM}-${TOOLKIT_VER}.dev.txz" && \
        mkdir "/opt/${PLATFORM}" && \
        tar -xaf "/cache/ds.${PLATFORM}-${TOOLKIT_VER}.dev.txz" -C "/opt/${PLATFORM}" --strip-components=10 \
          "usr/local/x86_64-pc-linux-gnu/x86_64-pc-linux-gnu/sys-root/usr/lib/modules/DSM-${TOOLKIT_VER}/build" && \
        echo -e "${PLATFORM}\t${KVER}" >> /opt/platforms && \
        if [ ! -d "/opt/linux-${KVER}" ]; then \
          mkdir "/opt/linux-${KVER}" && \
          echo "Extracting linux-${KVER}.tar.xz" && \
          tar -xaf "/cache/linux-${KVER}.tar.xz" -C "/opt/linux-${KVER}" --strip-components=1; \
        fi; \
      done; \
    done

# Final image
FROM debian:8-slim
ENV SHELL=/bin/bash \
    ARCH=x86_64

RUN apt update --yes && \
    apt install --yes --no-install-recommends --no-install-suggests \
      ca-certificates nano curl bc kmod git \
      build-essential make ncurses-dev libssl-dev autogen automake pkg-config libtool xsltproc gperf && \
    apt-get clean && \
    rm -rf /var/lib/apt/lists/*

COPY --from=stage /opt /opt
COPY files/ /

WORKDIR /input
VOLUME /input /output

ENTRYPOINT ["/opt/do.sh"]