FROM alpine:latest
MAINTAINER Juno Takano juno@jutty.dev
ENV DEBUG=debug

# Setup tooling
RUN apk add curl clang git file
RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y

# Install
RUN <<EOF
    REPO_URL=https://codeberg.org/jutty/en
    LAST_TAG=$(
        git ls-remote --tags "$REPO_URL" \
        | grep refs/tags \
        | sed 's/.*refs\/tags\///' \
        | sort -V \
        | tail -n 1
    )
    git config --global advice.detachedHead false
    echo "Selected tag: $LAST_TAG"
    git clone --verbose -b "$LAST_TAG" \
        --depth 1 --single-branch --no-tags \
        "$REPO_URL" /build
EOF
RUN <<EOF
    cd /build && /root/.cargo/bin/cargo build --locked --release
    mv /build/target/release/en /usr/local/bin/en
    rm -rf /build
EOF

# Describe
RUN file $(which en) && sha256sum $(which en)

# Launch
WORKDIR /root
CMD ["en", "-p", "80"]