FROM scratch as base
ENV VERSION=68.2.2
ENV SRC_HASH=4ac1475276d2f1c48684874089fefcd83bd7162ddaafb81fac866ba0db282a87
ENV SRC_FILE=setuptools-${VERSION}.tar.gz
ENV SRC_SITE=https://pypi.io/packages/source/s/setuptools/${SRC_FILE}

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

FROM fetch as build
COPY --from=busybox . /
COPY --from=musl . /
COPY --from=python . /
COPY --from=zlib . /
RUN tar -xzf ${SRC_FILE}
WORKDIR setuptools-${VERSION}
RUN python setup.py build

FROM build as install
RUN python setup.py install --root=/rootfs
RUN find /rootfs -exec touch -hcd "@0" "{}" +

FROM scratch as package
COPY --from=install /rootfs /