name: CI

on: [push, pull_request]

jobs:
  build:
    name: ${{ matrix.name }}
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        # Useful info: https://help.github.com/en/articles/workflow-syntax-for-github-actions
        include:
          - name: ubuntu
            os: ubuntu-16.04
          - name: windows
            os: windows-2019
          - name: macos
            os: macos-10.15
    env:
      PYTHON: 3.6
    steps:
    - name: Pre-checkout system configuration
      # We add -l to process .bashrc, but need -e -o pipefail for consistency with GitHub Actions's default behavior.
      shell: bash -e -o pipefail -l {0}
      run: |
        # Note: only configure settings here that are required _before_ the repository is cloned (such as Git settings).
        if [ ! -f ~/.profile ] && [ ! -f ~/.bash_profile ]; then  # missing on some machines, but needed for ~/.bashrc
          echo 'if [ -n "${BASH_VERSION}" ] && [ -f ~/.bashrc ]; then . ~/.bashrc; fi' >> ~/.profile
        fi
        git config --global core.symlinks true && git config --global core.autocrlf false
        if command -v dpkg > /dev/null; then sudo dpkg-reconfigure debconf -f noninteractive -p high; fi
    - name: Checkout repository
      uses: actions/checkout@v2
      with:
        # we need full history to diff against the original for linting etc.
        fetch-depth: 0
    - name: Run CI script
      shell: bash -e -o pipefail -l {0}
      env:
        BAZEL_CACHE_CREDENTIAL_B64: ${{ secrets.BAZEL_CACHE_CREDENTIAL_B64 }}
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      run: |
        . ./ci/travis/ci.sh init
        . ./ci/travis/ci.sh build
    - name: Run Clang Include-What-You-Use
      continue-on-error: true
      if: runner.os == 'Linux'
      shell: bash -e -o pipefail -l {0}
      run: |
        sudo apt-get install -qq -o=Dpkg::Use-Pty=0 iwyu
        bazel build \
          --keep_going \
          --config=iwyu \
          "//:*"