# Builds release binaries for Radicle.
ARG RUST_VERSION="1.85"
ARG ALPINE_VERSION="3.20"

FROM rust:${RUST_VERSION}-alpine${ALPINE_VERSION} as builder
LABEL maintainer="Radicle Team <team@radicle.dev>"
WORKDIR /src
COPY . .

ARG TZ
ARG LC_ALL
ARG SOURCE_DATE_EPOCH
ARG RADICLE_VERSION
ARG GIT_HEAD

# Copy cargo configuration we're going to use to specify compiler options.
RUN mkdir -p .cargo && cp build/config.toml .cargo/config.toml
# Install dependencies.
RUN apk update && apk add --no-cache git musl-dev xz asciidoctor

# Install a pinned zig version with macOS TBD v4 support
ARG ZIG_VERSION="0.13.0"
RUN wget -q https://ziglang.org/download/${ZIG_VERSION}/zig-linux-x86_64-${ZIG_VERSION}.tar.xz && \
    tar -xf zig-linux-x86_64-${ZIG_VERSION}.tar.xz && \
    mv zig-linux-x86_64-${ZIG_VERSION} /usr/local/zig && \
    ln -s /usr/local/zig/zig /usr/local/bin/zig && \
    rm zig-linux-x86_64-${ZIG_VERSION}.tar.xz

# Build man pages and strip metadata. Removes all comments, since they include
# non-reproducible information, such as version numbers.
RUN asciidoctor --doctype manpage --backend manpage --destination-dir . *.1.adoc && \
    find . -maxdepth 1 -type f -name '*.1' -exec sed -i '/^.\\\"/d' '{}' \;
# Add cargo targets.
RUN rustup target add \
    x86_64-unknown-linux-musl \
    aarch64-unknown-linux-musl \
    x86_64-apple-darwin \
    aarch64-apple-darwin

# Install dependencies for cross-compiling to macOS.
# We use Zig as the linker to perform the compilation from a Linux host.
# Zig is not yet available on Debian, so we download the official binary.
# Compilation is done via `cargo-zigbuild` which is a wrapper around `zig`.
RUN cargo install --locked cargo-zigbuild@0.22.1


# Parts of the macOS SDK are required to build Radicle, we make these available
# here. So far only `CoreFoundation` and `Security` frameworks are needed.
RUN xz -d -c build/macos-sdk-11.3.tar.xz | tar -x
# This env var is used by `cargo-zigbuild` to find the SDK.
ENV SDKROOT /src/macos-sdk-11.3

# Build binaries.
RUN cargo zigbuild --locked --release \
    --target=x86_64-apple-darwin \
    --target=aarch64-apple-darwin \
    --target=aarch64-unknown-linux-musl \
    --target=x86_64-unknown-linux-musl \
    -p radicle-node \
    -p radicle-remote-helper \
    -p radicle-cli

# Now copy the files to a new image without all the intermediary artifacts to
# save some space.
FROM alpine:3.20 as packager

ARG RADICLE_VERSION
ARG SOURCE_DATE_EPOCH

COPY --from=builder \
     /src/target/x86_64-unknown-linux-musl/release/rad \
     /src/target/x86_64-unknown-linux-musl/release/git-remote-rad \
     /src/target/x86_64-unknown-linux-musl/release/radicle-node \
     /builds/x86_64-unknown-linux-musl/bin/
COPY --from=builder \
     /src/target/aarch64-unknown-linux-musl/release/rad \
     /src/target/aarch64-unknown-linux-musl/release/git-remote-rad \
     /src/target/aarch64-unknown-linux-musl/release/radicle-node \
     /builds/aarch64-unknown-linux-musl/bin/
COPY --from=builder \
     /src/target/aarch64-apple-darwin/release/rad \
     /src/target/aarch64-apple-darwin/release/git-remote-rad \
     /src/target/aarch64-apple-darwin/release/radicle-node \
     /builds/aarch64-apple-darwin/bin/
COPY --from=builder \
     /src/target/x86_64-apple-darwin/release/rad \
     /src/target/x86_64-apple-darwin/release/git-remote-rad \
     /src/target/x86_64-apple-darwin/release/radicle-node \
     /builds/x86_64-apple-darwin/bin/
COPY --from=builder /src/*.1 /builds/x86_64-unknown-linux-musl/man/man1/
COPY --from=builder /src/*.1 /builds/aarch64-unknown-linux-musl/man/man1/
COPY --from=builder /src/*.1 /builds/aarch64-apple-darwin/man/man1/
COPY --from=builder /src/*.1 /builds/x86_64-apple-darwin/man/man1/

# Create and compress reproducible archive.
WORKDIR /builds
RUN x86_64-unknown-linux-musl/bin/rad version --json > radicle.json
RUN apk update && apk add --no-cache tar xz
RUN find * -maxdepth 0 -type d -exec mv '{}' "radicle-$RADICLE_VERSION-{}" \; && \
    find * -maxdepth 0 -type d -exec tar \
    --sort=name \
    --verbose \
    --mtime="@$SOURCE_DATE_EPOCH" \
    --owner=0 \
    --group=0 \
    --numeric-owner \
    --format=posix \
    --pax-option=exthdr.name=%d/PaxHeaders/%f,delete=atime,delete=ctime \
    --mode='go+u,go-w' \
    --remove-files \
    --create --xz \
    --file="{}.tar.xz" \
    '{}' \;