# syntax = docker/dockerfile:1.11-labs

FROM input AS installer
ARG sys_target
ARG rust_toolchain
ARG RUSTUP_HOME
ARG CARGO_HOME
ARG CARGO_TARGET
ARG CARGO_TARGET_DIR
ARG cargo_tgt_dst
ARG cargo_tgt_sub
ARG cargo_tgt_cache
ARG cargo_profile
ARG cargo_features
ARG cargo_spec_features
ARG cargo_args=""
ARG crate_path="src/main"
ARG crate_ident=""
ARG install_temp="/usr/src/tuwunel/install"

WORKDIR /
COPY --link --from=input . .

WORKDIR /usr/lib/${sys_target}
COPY --link --from=rocksdb . .

WORKDIR /usr/src/tuwunel
RUN \
--mount=type=cache,dst=${RUSTUP_HOME}/downloads,sharing=shared,ro \
--mount=type=cache,dst=${CARGO_HOME}/registry,sharing=shared,ro \
--mount=type=cache,dst=${CARGO_HOME}/git,sharing=shared,ro \
--mount=type=cache,dst=${CARGO_TARGET_DIR},id=${cargo_tgt_dst},sharing=locked \
--mount=type=cache,dst=${CARGO_TARGET_DIR}/${cargo_tgt_sub}/deps,id=${cargo_tgt_cache}/deps,sharing=locked \
--mount=type=cache,dst=${CARGO_TARGET_DIR}/${cargo_tgt_sub}/build,id=${cargo_tgt_cache}/build,sharing=locked \
--mount=type=cache,dst=${CARGO_TARGET_DIR}/${cargo_tgt_sub}/incremental,id=${cargo_tgt_cache}/incremental,sharing=locked \
--mount=type=cache,dst=${CARGO_TARGET_DIR}/${cargo_tgt_sub}/.fingerprint,id=${cargo_tgt_cache}/fingerprint,sharing=locked \
<<EOF
    set -eux
    case "$cargo_profile" in
            "dev") profile_dir="debug";;
           "test") profile_dir="debug";;
        "release") profile_dir="release";;
          "bench") profile_dir="release";;
                *) profile_dir="$cargo_profile";;
    esac

    rustup run ${rust_toolchain} \
        cargo install \
            --frozen \
            --no-track \
            "${cargo_spec_features}" \
            --features "${cargo_features}" \
            --profile "${cargo_profile}" \
            --target "${CARGO_TARGET}" \
            --target-dir "${CARGO_TARGET_DIR}" \
            --root "${install_temp}" \
            --path "${crate_path}" \
            ${cargo_args} \
            ${crate_ident}
EOF
RUN [ -f "${install_temp}/bin/tuwunel" ]


FROM input AS install
ARG sys_target
ARG CARGO_INSTALL_ROOT
ARG install_temp="/usr/src/tuwunel/install"

RUN \
--mount=type=bind,from=output,src=${install_temp},dst=/mnt/install \
<<EOF
    set -eux
    cp -ndR --preserve=all -t ${CARGO_INSTALL_ROOT} /mnt/install/*
EOF
ENV bin_path="${CARGO_INSTALL_ROOT}/bin/tuwunel"
RUN <<EOF
    set -eux
    ldd -v ${bin_path} || echo "static"
    du -h ${bin_path}
    sha1sum ${bin_path}
EOF