FROM scratch AS base
ENV VERSION=274
ENV SRC_HASH=c5398be0f26cb13344f4e27cf5a53df2b7a246a7b08944d114eee140989e5bb5
ENV SRC_FILE=${VERSION}.tar.gz
ENV SRC_SITE=https://salsa.debian.org/reproducible-builds/diffoscope/-/archive/${VERSION}/diffoscope-${SRC_FILE}

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

FROM fetch AS build
COPY --from=stagex/busybox . /
COPY --from=stagex/musl . /
COPY --from=stagex/zlib . /
COPY --from=stagex/openssl . /
COPY --from=stagex/python . /
COPY --from=stagex/file . /
COPY --from=stagex/gcc . /
COPY --from=stagex/binutils . /
COPY --from=stagex/make . /
COPY --from=stagex/cmake . /
COPY --from=stagex/libffi . /
COPY --from=stagex/py-setuptools . /
COPY --from=stagex/py-installer . /
COPY --from=stagex/py-flit . /
COPY --from=stagex/py-gpep517 . /
COPY --from=stagex/py-wheel . /
COPY --from=stagex/py-distro . /
COPY --from=stagex/py-dateutil . /
COPY --from=stagex/py-urllib3 . /
COPY --from=stagex/py-cffi . /
COPY --from=stagex/py-magic . /
COPY --from=stagex/py-libarchive . /
RUN tar -xzf diffoscope-${SRC_FILE}
WORKDIR diffoscope-${VERSION}
RUN gpep517 build-wheel --wheel-dir .dist --output-fd 3 3>&1 >&2
#
FROM build AS install
RUN --network=none <<-EOF
    set -eu
    python -m installer -d /rootfs .dist/*.whl
    find /rootfs | grep -E "(/__pycache__$|\.pyc$|\.pyo$)" | xargs rm -rf
EOF

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