FROM scratch as base
ENV SRC_VERSION=1.6.5
ENV SRC_HASH=a564628c574c99287998753f98d750babd91a4e9db451f46ad140466ef2a6d16
ENV SRC_FILE=libksba-${SRC_VERSION}.tar.bz2
ENV SRC_SITE=https://gnupg.org/ftp/gcrypt/libksba/${SRC_FILE}

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

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

FROM build as install
RUN make DESTDIR=/rootfs install

FROM base as test
COPY --from=install /rootfs /
COPY --from=zlib . /
COPY --from=musl . /
COPY --from=busybox . /
RUN ls /usr/lib
RUN /bin/sh <<-EOF
	set -eux
	EXPECTED_LIBKSBA_VERSION="${SRC_VERSION}"
	LIBKSBA_FILES_FOUND=\$(ls /usr/lib/ | grep libksba || true)
	if [ -z "\$LIBKSBA_FILES_FOUND" ]; then
	    echo "libksba not found"
	    exit 1
	fi
EOF

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