name: CI
on: [push, pull_request]

jobs:
  style:
    name: Check Style
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@master
    - name: Install Rust
      run: rustup update beta && rustup default beta
    - name: Install Rustfmt
      run: rustup component add rustfmt
    - name: Check formatting
      run: cargo fmt --all -- --check

  test:
    name: Test
    needs: [style]
    runs-on: ubuntu-latest
    env:
      RUSTFLAGS: -Dwarnings
    strategy:
      matrix:
        rust:
          - nightly
          - beta
          # - stable
    steps:
      - uses: actions/checkout@master
      - name: Install Rust
        run: rustup update ${{ matrix.rust }} && rustup default ${{ matrix.rust }}
      - name: Install libssl-dev
        run: sudo apt-get update && sudo apt-get install libssl-dev
      - name: Build without unstable flag
        run: cargo build
      - name: Test examples in README
        run: rustdoc --test README.md -L target/debug -L target/debug/deps
      - name: Check with unstable flag
        run: cargo check --features unstable
      - name: Run lib tests and doc tests
        run: RUST_TEST_THREADS=1 cargo test
      - name: Run integration tests
        run: cargo test -p h2-tests
      - name: Run h2spec
        # Run h2spec on nightly for the time being.
        # TODO: Change it to stable after Rust 1.38 release
        run: ./ci/h2spec.sh
        if: matrix.rust == 'nightly'
      #- name: Check minimal versions
      #  run: cargo clean; cargo update -Zminimal-versions; cargo check
      #  if: matrix.rust == 'nightly'

  publish_docs:
    name: Publish Documentation
    needs: [style, test]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@master
      - name: Install Rust
        run: rustup update beta && rustup default beta
      - 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 'Deploy H2 API documentation'
          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' && github.repository == 'hyperium/h2'