name: CI
on: [push, pull_request]

jobs:
  test:
    name: Test
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        build: [stable, beta, nightly, linux32, macos, aarch64-ios, win32, win64, mingw32, mingw64, windows-2016]
        include:
          - build: stable
            os: ubuntu-latest
            rust: stable
            target: x86_64-unknown-linux-gnu
          - build: beta
            os: ubuntu-latest
            rust: beta
            target: x86_64-unknown-linux-gnu
          - build: nightly
            os: ubuntu-latest
            rust: nightly
            target: x86_64-unknown-linux-gnu
          - build: linux32
            os: ubuntu-latest
            rust: stable
            target: i686-unknown-linux-gnu
          - build: macos
            os: macos-latest
            rust: stable
            target: x86_64-apple-darwin
          - build: aarch64-ios
            os: macos-latest
            rust: stable
            target: aarch64-apple-ios
            no_run: --no-run
          - build: win32
            os: windows-2016
            rust: stable-i686-msvc
            target: i686-pc-windows-msvc
          - build: win64
            os: windows-latest
            rust: stable
            target: x86_64-pc-windows-msvc
          - build: mingw32
            os: windows-latest
            rust: stable-i686-gnu
            target: i686-pc-windows-gnu
          - build: mingw64
            os: windows-latest
            rust: stable-x86_64-gnu
            target: x86_64-pc-windows-gnu
          - build: windows-2016
            os: windows-2016
            rust: stable-x86_64
            target: x86_64-pc-windows-msvc
    steps:
    - uses: actions/checkout@master
    - name: Install Rust (rustup)
      run: rustup update ${{ matrix.rust }} --no-self-update && rustup default ${{ matrix.rust }}
      if: matrix.os != 'macos-latest'
      shell: bash
    - name: Install Rust (macos)
      run: |
        curl https://sh.rustup.rs | sh -s -- -y
        echo "##[add-path]$HOME/.cargo/bin"
      if: matrix.os == 'macos-latest'
    - run: rustup target add ${{ matrix.target }}
    - name: Install g++-multilib
      run: |
        set -e
        # Remove the ubuntu-toolchain-r/test PPA, which is added by default.
        # Some packages were removed, and this is causing the g++multilib
        # install to fail. Similar issue:
        # https://github.com/scikit-learn/scikit-learn/issues/13928.
        sudo add-apt-repository --remove ppa:ubuntu-toolchain-r/test
        sudo apt-get install g++-multilib
      if: matrix.build == 'linux32'
    - run: cargo build
    - run: cargo test ${{ matrix.no_run }}
    - run: cargo test ${{ matrix.no_run }} --features parallel
    - run: cargo test ${{ matrix.no_run }} --manifest-path cc-test/Cargo.toml --target ${{ matrix.target }}
    - run: cargo test ${{ matrix.no_run }} --manifest-path cc-test/Cargo.toml --target ${{ matrix.target }} --features parallel
    - run: cargo test ${{ matrix.no_run }} --manifest-path cc-test/Cargo.toml --target ${{ matrix.target }} --release

  msrv:
    name: MSRV
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest]
    steps:
    - uses: actions/checkout@master
    - name: Install Rust
      run: rustup update 1.31.0 --no-self-update && rustup default 1.31.0
      shell: bash
    - run: cargo build

  rustfmt:
    name: Rustfmt
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@master
    - name: Install Rust
      run: rustup update stable && rustup default stable && rustup component add rustfmt
    - run: cargo fmt -- --check

  publish_docs:
    name: Publish Documentation
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@master
      - name: Install Rust
        run: rustup update stable && rustup default stable
      - name: Build documentation
        run: cargo doc --no-deps --all-features
      - name: Publish documentation
        run: |
          cd target/doc
          git init
          git add .
          git -c user.name='ci' -c user.email='ci' commit -m init
          git push -f -q https://git:${{ secrets.github_token }}@github.com/${{ github.repository }} HEAD:gh-pages
        if: github.event_name == 'push' && github.event.ref == 'refs/heads/master'