lintercheck.yml

name: Linter check
on:
  pull_request:
  push:
    branches:
      - master
    tags:
      - r[0-9]+.[0-9]+

jobs:
  linter_check:
    runs-on: ubuntu-20.04
    steps:
      - name: Checkout repo
        uses: actions/checkout@v3
      - name: Setup Python
        uses: actions/setup-python@v4
        with:
          python-version: '3.7'
          cache: 'pip'
      - run: pip install yapf==0.30.0

      - name: Check no TORCH_PIN
        if: github.event_name == 'push' && github.event.ref == 'refs/heads/master'
        shell: bash
        run: |
          TORCH_PIN=./.torch_pin
          if [[ -f "${TORCH_PIN}" ]]; then
            echo "Please remove ${TORCH_PIN} before landing."
            exit 1
          else
            echo "No ${TORCH_PIN} found, safe to land..."
          fi
      - name: Run clang-format
        shell: bash
        env:
          CLANG_FORMAT: clang-format-11
        run: |
          sudo apt-get update
          sudo apt install -y "${CLANG_FORMAT}"
          git_status=$(git status --porcelain)
          if [[ $git_status ]]; then
            echo "Checkout code is not clean"
            echo "${git_status}"
            exit 1
          fi

          find . -name '*.cpp' -o -name '*.h' -o -name '*.cc' | xargs "${CLANG_FORMAT}" -i -style=file
          git_status=$(git status --porcelain)
          if [[ $git_status ]]; then
            git diff
            echo "${CLANG_FORMAT} recommends the changes above, please manually apply them OR automatically apply the changes "
            echo "by running \"${CLANG_FORMAT} -i -style=file /PATH/TO/foo.cpp\" to the following files"
            echo "${git_status}"
            exit 1
          else
            echo "PASSED C++ format"
          fi
      - name: Run yapf
        shell: bash
        run: |
          git_status=$(git status --porcelain)
          if [[ $git_status ]]; then
            echo "Checkout code is not clean"
            echo "${git_status}"
            exit 1
          fi

          yapf -i -r *.py test/ scripts/ torch_xla/ benchmarks/
          git_status=$(git status --porcelain)
          if [[ $git_status ]]; then
            git diff
            echo "yapf recommends the changes above, please manually apply them OR automatically apply the changes "
            echo "by running `yapf -i /PATH/TO/foo.py` to the following files"
            echo "${git_status}"
            exit 1
          else
            echo "PASSED Python format"
          fi