fallout2-ce/.github/workflows/auto-format.yml

name: Auto Format with Clang

on: 
  pull_request:
    types: [opened, synchronize]
  push:
    branches: [main]

permissions:
  contents: read

jobs:
  format:
    runs-on: ubuntu-latest
    if: github.actor != 'github-actions[bot]' && (github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name == github.repository)
    permissions:
      contents: write
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          ref: ${{ github.head_ref || github.ref_name  }}
          token: ${{ secrets.PAT_FOR_ACTIONS }}

      - name: Run clang-format via Docker
        run: |
          docker run --rm \
            -v ${{ github.workspace }}:/app --workdir /app  \
            --user $(id -u):$(id -g) silkeh/clang:18 \
            bash -c 'find src -type f \( -name "*.cc" -o -name "*.h" \) -print0 | xargs -0 clang-format -i'


      # https://github.com/actions/checkout?tab=readme-ov-file#push-a-commit-to-a-pr-using-the-built-in-token
      - name: Check and commit changes if needed
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"

          if ! git diff --quiet; then
            git diff
            git commit -am "chore: auto-format with clang-format"
            git push
          else
            echo "No formatting changes"
          fi