FROM scratch AS base
ENV VERSION=7.2.6
ENV SRC_HASH=b41c04543148937b887097f396d7b2b54ae49d0597b68625f06ffdf702d4d917

ENV SRC_FILE=v${VERSION}.tar.gz
ENV SRC_SITE=https://github.com/sphinx-doc/sphinx/archive/${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/python . /
COPY --from=stagex/py-flit . /
COPY --from=stagex/py-gpep517 . /
COPY --from=stagex/py-installer . /
COPY --from=stagex/zlib . /
RUN tar -xzf ${SRC_FILE}
WORKDIR sphinx-${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/. /