format-check.yml

name: Apply clang-format
on:
  push:
    branches:
      - 'trunk'
  pull_request:

jobs:
  clang-format:
    runs-on: ubuntu-latest
    steps:
    - name: Install just
      uses: extractions/setup-just@v2
      with:
          just-version: 1.26.0

    - uses: actions/checkout@v4
 
    - name: Pull latest changes
      run: |
        git fetch origin ${GITHUB_HEAD_REF}
        git checkout ${GITHUB_HEAD_REF}
        git pull origin ${GITHUB_HEAD_REF}

    - name: Run format check on the C++
      run: just install-denv init format-cpp

    - name: Set up git user as the bot
      run: |
        git config user.name 'github-actions[bot]'
        git config user.email 'github-actions[bot]@users.noreply.github.com'

    - name: Auto-commit the changes
      run: |
        git add .
        git commit -m "Apply clang-format" || echo "No changes to commit"
      id: commit

    - name: Push changes
      if: github.ref != 'refs/heads/trunk' 
      run: |
        git push origin HEAD:${GITHUB_HEAD_REF}