name: build-rust
on: [push, pull_request]

jobs:
  build:
    runs-on: docker
    strategy:
      matrix:
        target:
          - x86_64-unknown-linux-gnu
          - x86_64-pc-windows-gnu
          - x86_64-apple-darwin

    steps:
      - name: checkout repository
        uses: https://code.forgejo.org/actions/checkout@v4

      - name: install dependencies for metadata parsing
        run: apt-get update && apt-get install -y jq mingw-w64 clang curl libssl-dev libbz2-dev libz-dev libffi-dev

      - name: install Rust toolchain
        uses: https://github.com/actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
          components: rust-src

      - name: add cross-compilation target
        run: rustup target add ${{ matrix.target }}

      - name: get binary name
        id: binary_name
        run: |
          name=$(cargo metadata --no-deps --format-version 1 | jq -r '.packages[0].name')
          echo "binary_name=$name" >> $GITHUB_OUTPUT

      - name: restore cached cargo dependencies
        uses: https://code.forgejo.org/actions/cache/restore@v4
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ runner.os }}-cargo-${{ hashFiles('Cargo.lock') }}-${{ matrix.target }}

      - name: build project for target
        run: cargo build --release --target ${{ matrix.target }}

      - name: upload compiled binary
        uses: https://code.forgejo.org/forgejo/upload-artifact@v4
        with:
          name: rust-binary-${{ matrix.target }}
          path: target/${{ matrix.target }}/release/${{ steps.binary_name.outputs.binary_name }}
          if-no-files-found: error

      - name: cache cargo dependencies
        if: ${{ github.ref_name == github.event.repository.default_branch }}
        uses: https://code.forgejo.org/actions/cache/save@v4
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ runner.os }}-cargo-${{ hashFiles('Cargo.lock') }}-${{ matrix.target }}