FROM scratch as base
ARG ARCH=x86_64
ENV VERSION=3.10
ENV SRC_HASH=90e5e93cc724e4ebe12ede80df1634063c7a855692685919bfe60b556c9bd09e
ENV SRC_FILE=diffutils-${VERSION}.tar.xz
ENV SRC_SITE=https://ftp.gnu.org/gnu/diffutils/${SRC_FILE}

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

FROM fetch as build
COPY --from=stagex/busybox . /
COPY --from=stagex/binutils . /
COPY --from=stagex/musl . /
COPY --from=stagex/make . /
COPY --from=stagex/gcc . /
RUN tar -xf ${SRC_FILE}
WORKDIR diffutils-${VERSION}
RUN --network=none <<-EOF
	set -ex
	./configure \
		--build=${ARCH}-linux-musl \
		--host=${ARCH}-linux-musl \
		--prefix=/usr \
		--mandir=/usr/share/man \
        --infodir=/usr/share/info \
        --disable-nls
	make -j "$(nproc)"
EOF

FROM build as install
RUN --network=none make DESTDIR="/rootfs" install
RUN find /rootfs -exec touch -hcd "@0" "{}" +

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