name: CI

on:
  push:
    branches-ignore:
      # Don't run CI for Dependabot branch pushes.
      - "dependabot/**"
  pull_request:

env:
  # Git GITHUB_... variables are useful for translating Travis environment variables
  GITHUB_BASE_SHA: ${{ github.event.pull_request.base.sha }}
  GITHUB_HEAD_SHA: ${{ github.event.pull_request.head.sha }}
  GITHUB_PULL_REQUEST: ${{ github.event.number }}

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: windows-msvc
            os: windows-2019
            python-version: 3.8
            # Can be 'msvc' or 'clang-cl'
            config: msvc-cl
    env:
      BAZEL_CONFIG: ${{ matrix.config }}
      PYTHON: ${{ matrix.python-version }}
      TRAVIS_COMMIT: ${{ github.sha }}
      #TRAVIS_PULL_REQUEST is defined in the scripts to account for "false"
    steps:
    - name: Pre-checkout system configuration
      # We add -l to process .bashrc, but need -e -o pipefail for consistency with GitHub Actions's default behavior.
      shell: bash -e -o pipefail -l {0}
      run: |
        # Note: only configure settings here that are required _before_ the repository is cloned (such as Git settings).
        # Different machines behave very differently with Bash initialization -- make them more uniform
        rm -f -- ~/.bash_profile ~/.profile ~/.bashrc
        printf '\n%s\n' 'if [ -n "${BASH_VERSION}" ] && [ -f ~/.bashrc ]; then . ~/.bashrc; fi' >> ~/.profile
        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@v1
    - name: Configure AWS Credentials
      continue-on-error: true
      if: github.repository == 'ray-project/ray' && github.event_name != 'pull_request'
      uses: aws-actions/configure-aws-credentials@v1
      with:
        aws-access-key-id: ${{ secrets.GHA_AWS_ACCESS_KEY_ID }}
        aws-secret-access-key: ${{ secrets.GHA_AWS_SECRET_ACCESS_KEY }}
        aws-region: us-west-2
    - name: Prepare caching
      id: info
      shell: bash
      run: |
        case "${OSTYPE}" in
          linux*) pip_cache=~/.cache/pip;;
          darwin*) pip_cache=~/Library/Caches/pip;;
          msys) pip_cache="${LOCALAPPDATA}\pip\Cache";;
        esac
        cat <<-EOF
        ::set-output name=git_tree_hash::$(git cat-file -p HEAD | sed -n "s/^tree //p")
        ::set-output name=pip_cache::${pip_cache}
        EOF
    - name: Cache (pip)
      uses: actions/cache@v1.1.2
      continue-on-error: true
      if: steps.info.outputs.pip_cache
      with:
        path: ${{ steps.info.outputs.pip_cache }}
        key: |
          pip-${{ runner.os }}-${{ steps.info.outputs.git_tree_hash }}
        restore-keys: |
          pip-${{ runner.os }}-
          pip-
    - name: Build
      shell: bash -x -e -o pipefail -l {0}
      env:
        BAZEL_CACHE_CREDENTIAL_B64: ${{ secrets.BAZEL_CACHE_CREDENTIAL_B64 }}
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        RAY_DEFAULT_BUILD: 1
        WINDOWS_WHEELS: 1
        BAZEL_LOG_BUCKET_ACCESS_KEY: ${{ secrets.BAZEL_LOG_BUCKET_ACCESS_KEY }}
        TRAVIS_BRANCH: ${{ github.ref	}}
        TRAVIS_COMMIT: ${{ github.sha }}
        TRAVIS_JOB_ID: ${{ github.run_id }}
      run: |
        function clean_up() {
          echo "Performing cleanup"
          if [ "${GITHUB_EVENT_NAME}" != "pull_request" ]; then ./ci/travis/upload_build_info.sh; fi
        }
        trap clean_up EXIT

        python -u ci/remote-watch.py --skip_repo=ray-project/ray &
        . ./ci/travis/ci.sh init
        . ./ci/travis/ci.sh build
        . ./ci/travis/ci.sh upload_wheels || true
    - name: Run Tests
      shell: bash -x -e -o pipefail -l {0}
      env:
        BAZEL_CACHE_CREDENTIAL_B64: ${{ secrets.BAZEL_CACHE_CREDENTIAL_B64 }}
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        RAY_DEFAULT_BUILD: 1
        WINDOWS_WHEELS: 1
        BAZEL_LOG_BUCKET_ACCESS_KEY: ${{ secrets.BAZEL_LOG_BUCKET_ACCESS_KEY }}
        TRAVIS_BRANCH: ${{ github.ref	}}
        TRAVIS_COMMIT: ${{ github.sha }}
        TRAVIS_JOB_ID: ${{ github.run_id }}
      run: |
        function clean_up() {
          echo "Performing cleanup"
          if [ "${GITHUB_EVENT_NAME}" != "pull_request" ]; then ./ci/travis/upload_build_info.sh; fi
        }
        trap clean_up EXIT

        python -u ci/remote-watch.py --skip_repo=ray-project/ray &
        . ./ci/travis/ci.sh test_core
        . ./ci/travis/ci.sh test_python
    - name: Run Clang Include-What-You-Use
      continue-on-error: true
      if: runner.os == 'Linux'
      shell: bash -e -o pipefail -l {0}
      run: ci/travis/iwyu.sh process "//:*"