FROM scratch AS base
ENV VERSION=1.16.3
ENV SRC_FILE=rel-${VERSION}.tar.gz
ENV SRC_SITE=https://github.com/coreboot/seabios/archive/${SRC_FILE}
ENV SRC_HASH=1c1742a315b0c2fefa9390c8a50e2ac1a6f4806e0715aece6595eaf4477fcd8a

FROM base AS fetch
ADD --checksum=sha256:${SRC_HASH} ${SRC_SITE} .

FROM fetch AS build
COPY --from=stagex/busybox . /
COPY --from=stagex/gcc . /
COPY --from=stagex/binutils . /
COPY --from=stagex/make . /
COPY --from=stagex/musl . /
COPY --from=stagex/python . /
RUN tar -xf ${SRC_FILE}
RUN ls -lah .
WORKDIR /seabios-rel-${VERSION}
ADD config.* .
RUN --network=none <<-EOF
    set -ex
    mkdir output
    echo "Stagex ${VERSION}" > .version
    printf " \
    coreboot bios.bin.elf bios-coreboot.bin\n \
    csm Csm16.bin bios-csm.bin\n \
    seabios-128k bios.bin bios.bin\n \
    seabios-256k bios.bin bios-256k.bin\n \
    seabios-microvm bios.bin bios-microvm.bin\n \
    vga-ati vgabios.bin vgabios-ati.bin out/vgabios.bin\n \
    vga-bochs-display vgabios.bin vgabios-bochs-display.bin out/vgabios.bin\n \
    vga-cirrus vgabios.bin vgabios-cirrus.bin out/vgabios.bin\n \
    vga-isavga vgabios.bin vgabios-isavga.bin out/vgabios.bin\n \
    vga-qxl vgabios.bin vgabios-qxl.bin out/vgabios.bin\n \
    vga-ramfb vgabios.bin vgabios-ramfb.bin out/vgabios.bin\n \
    vga-stdvga vgabios.bin vgabios-stdvga.bin out/vgabios.bin\n \
    vga-virtio vgabios.bin vgabios-virtio.bin out/vgabios.bin\n \
    vga-vmware vgabios.bin vgabios-vmware.bin out/vgabios.bin" \
    | while IFS= read -r line; do
        set -- $line;
        config_name="$1";
        output_name="$2";
        binary_name="$3";
        build_target="$4";
        make clean distclean;
        cp "config.${config_name}" .config;
        make oldnoconfig V=1;
        make V=1 EXTRAVERSION=-1 PYTHON=python3 $build_target
        cp "out/${output_name}" "output/${binary_name}"
    done

EOF

FROM build AS install
RUN <<-EOF
    set -eux
    install -vDm 644 output/*.bin -t /rootfs/usr/share/qemu/
EOF

FROM stagex/filesystem AS package
COPY --from=install /rootfs/. /