review-actions.yml

name: Auto Review Analyzers

on:
  push:
    branches:
      - main
    paths-ignore:
      # Do not trigger action when docs are updated.
      - 'docs/**'
  pull_request:
    branches:
      - main

jobs:
  clang-tidy:
    runs-on:
      labels: ubuntu-22.04-64core

    permissions:
      # Open PR comments
      pull-requests: write
      # OPTIONAL: auto-closing conversations requires the `contents` permission
      contents: write

    steps:
    - uses: actions/checkout@v4
      with:
        ref: ${{ github.event.pull_request.head.sha }}
        fetch-depth: 0

    - name: Fetch base branch to compare to
      run: |
        git remote add review-base "https://github.com/${{ github.event.pull_request.base.repo.full_name }}"
        git fetch --no-tags --no-recurse-submodules review-base "${{ github.event.pull_request.base.ref }}"

    - name: Restore Nightly Bazel Cache
      uses: actions/cache/restore@v4
      with:
        path: "~/.cache/bazel"
        key: bazel-cache-nightly-${{ runner.os }}-${{ github.sha }}
        restore-keys: bazel-cache-nightly-${{ runner.os }}-

    - name: Create compilation DB
      run: |
        xls/dev_tools/make-compilation-db.sh

    - name: Run clang-tidy on diff
      run: |
        mkdir clang-tidy-result
        git diff -U1000 "$(git merge-base HEAD review-base/${{ github.event.pull_request.base.ref }})" | xls/dev_tools/run-clang-tidy-diff.sh -p1 -path build -export-fixes clang-tidy-result/fixes.yml

    - name: Run clang-tidy-pr-comments action
      uses: hzeller/clang-tidy-pr-comments@master
      with:
        # Token to allow commenting
        github_token: ${{ secrets.GITHUB_TOKEN }}
        clang_tidy_fixes: clang-tidy-result/fixes.yml
        request_changes: true
        suggestions_per_comment: 10