name: ci

on:
  - push
  - pull_request

jobs:
  build:
    name: ${{ matrix.config.os }} ${{ matrix.config.target }}
    if: |
      github.event_name == 'push' ||
      !startsWith(github.event.pull_request.head.label, 'denoland:')
    runs-on: ${{ matrix.config.os }}
    timeout-minutes: 120
    strategy:
      matrix:
        config:
          - os: macOS-latest
            target: x86_64-apple-darwin
          - os: ubuntu-16.04
            target: "x86_64-unknown-linux-gnu"
#          - os: ubuntu-16.04
#            target: aarch64-unknown-linux-gnu
          - os: windows-2019
            target: x86_64-pc-windows-msvc

    steps:
      - name: Configure git
        run: git config --global core.symlinks true

      - name: Clone repository
        uses: actions/checkout@v1
        with:
          fetch-depth: 10
          submodules: "recursive"

      - name: Install rust
        uses: hecrj/setup-rust-action@v1
        with:
          rust-version: "1.42.0"

      - name: Install rust tools
        run: rustup component add clippy rustfmt

      - name: Install python
        uses: actions/setup-python@v1
        with:
          python-version: "2.7.x"
          architecture: x64

# TODO(ry) Reenable arm build
# https://github.com/denoland/rusty_v8/runs/456845868
#      - name: Install cross compilation toolchain
#        if: matrix.config.target == 'aarch64-unknown-linux-gnu'
#        run: |
#          rustup target add aarch64-unknown-linux-gnu
#
#          sudo apt install -yq --no-install-suggests --no-install-recommends \
#            binfmt-support g++-5-aarch64-linux-gnu g++-5-multilib \
#            gcc-5-aarch64-linux-gnu libc6-arm64-cross qemu qemu-user \
#            qemu-user-binfmt
#
#          sudo ln -s /usr/aarch64-linux-gnu/lib/ld-linux-aarch64.so.1 \
#                     /lib/ld-linux-aarch64.so.1
#
#          echo "::set-env name=CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER::/usr/bin/aarch64-linux-gnu-gcc-5"
#          echo "::set-env name=QEMU_LD_PREFIX::/usr/aarch64-linux-gnu"

      - name: Install and start sccache
        shell: pwsh
        working-directory: ${{ runner.temp }}
        env:
          AWS_ACCESS_KEY_ID: AKIA6QEJVNZDGHRMR2KF
          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
          SCCACHE_BUCKET: deno-sccache
          SCCACHE_IDLE_TIMEOUT: 0
        run: |
          $version = "0.2.12"
          $platform =
            @{ "macOS"   = "x86_64-apple-darwin"
               "Linux"   = "x86_64-unknown-linux-musl"
               "Windows" = "x86_64-pc-windows-msvc"
             }.${{ runner.os }}
          $basename = "sccache-$version-$platform"
          $url = "https://github.com/mozilla/sccache/releases/download/" +
                 "$version/$basename.tar.gz"

          curl -LO $url
          tar -xzvf "$basename.tar.gz"
          . $basename/sccache --start-server

          echo "::add-path::$(pwd)/$basename"
          echo "::set-env name=RUSTC_WRAPPER::sccache"

      - name: Test
        run: cargo test -vv --all-targets --locked
          --target ${{ matrix.config.target }}

      - name: Clippy
        run: cargo clippy --all-targets --locked
          --target ${{ matrix.config.target }} -- -D clippy::all

      - name: Rustfmt
        run: cargo fmt -- --check

      # TODO: add clang-format and maybe cpplint.

      # TODO(ry) It would be ideal to check that "cargo package" also runs and
      # that the resulting package is less than 10 MB. However it seems to
      # result in a complete V8 rebuild. For now just be careful not to manually
      # check that "cargo package" is working when updating the build.
      # - name: Package
      #   run: cargo package -vv --locked

      - name: Publish
        # Only publish on x64 linux when there's a git tag:
        if: >
          startsWith(github.ref, 'refs/tags/') &&
          github.repository == 'denoland/rusty_v8' &&
          startsWith(matrix.config.target , 'x86_64') &&
          runner.os == 'Linux'
        env:
          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}
        run: cargo publish -vv

      - name: Stop sccache
        if: always()
        run: sccache --stop-server