FROM scratch AS base
ENV VERSION=0.1.0
ENV SRC_HASH=dc9ae7ce78e46351f4f0a8b5ffbb5ff5fdc90bffab9b55cea3c2b3f9ea20123d
ENV SRC_FILE=ocismack-v${VERSION}.tar.gz
ENV SRC_SITE=https://codeberg.org/stagex/ocismack/archive/${SRC_FILE}

FROM base AS fetch
ADD --checksum=sha256:${SRC_HASH} ${SRC_SITE} .
COPY --from=stagex/rust . /
COPY --from=stagex/busybox . /
COPY --from=stagex/musl . /
COPY --from=stagex/gcc . /
COPY --from=stagex/llvm . /
COPY --from=stagex/libunwind . /
COPY --from=stagex/openssl . /
COPY --from=stagex/zlib . /
COPY --from=stagex/ca-certificates . /
RUN tar xf ${SRC_FILE}
WORKDIR /ocismack
RUN cargo fetch

FROM fetch AS build
COPY --from=stagex/binutils . /
ENV RUSTFLAGS='-C codegen-units=1 -C target-feature=+crt-static'
RUN --network=none \
    cargo build \
        --frozen \
        --release \
        --target x86_64-unknown-linux-musl \
        --bin ocismack

FROM build AS install
RUN <<-EOF
    set -eux
    mkdir -p /rootfs/usr/bin
    cp target/x86_64-unknown-linux-musl/release/ocismack /rootfs/usr/bin/ocismack
EOF

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