FROM scratch as base
ENV VERSION=2.5.6
ENV SRC_HASH=e9fd27218d5394904e4e39788f9b1742711c3e6b41689a31aa3380bd5aa4f426
ENV SRC_FILE=libassuan-${VERSION}.tar.bz2
ENV SRC_SITE=https://gnupg.org/ftp/gcrypt/libassuan/${SRC_FILE}

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

FROM fetch as build
COPY --from=stagex/busybox . /
COPY --from=stagex/musl . /
COPY --from=stagex/gcc . /
COPY --from=stagex/binutils . /
COPY --from=stagex/make . /
COPY --from=stagex/libgpg-error . /
RUN tar -xvf $SRC_FILE
WORKDIR libassuan-${VERSION}
RUN --network=none <<-EOF
	set -eux
	./configure \
		--build=x86_64-unknown-linux-musl \
		--host=x86_64-unknown-linux-musl \
		--prefix=/usr \
		--bindir=/usr/bin \
		--mandir=/usr/share/man \
		--infodir=/usr/share/info \
	make
EOF

FROM build as install
RUN make DESTDIR=/rootfs install
RUN find /rootfs -exec touch -hcd "@0" "{}" +

FROM base as test
COPY --from=install /rootfs/. /
COPY --from=stagex/busybox . /
RUN /bin/sh <<-EOF
	set -eux
	LIBASSUAN_FILES_FOUND=\$(ls /usr/lib/ | grep libassuan || true)
	if [ -z "\$LIBASSUAN_FILES_FOUND" ]; then
	    echo "libassuan not found"
	    exit 1
	fi
EOF

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