name: Formatting

on:
  push:
    branches:
      - stable
      - dev
  pull_request:
    branches:
      - dev # No need for stable-pull-request, as that equals dev-push

jobs:
  code-format-check:
    name: Check code format
    runs-on: ubuntu-22.04
    container:
      image: docker.io/aflplusplus/aflplusplus:dev
      env:
        LLVM_VERSION: 14 # Remove _after_ this branch's image is built and pushed. The new image will have this var in ENV.
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Format
        run: |
          git config --global --add safe.directory /__w/AFLplusplus/AFLplusplus
          apt-get update
          apt-get install -y clang-format-${LLVM_VERSION}
          update-alternatives --install /usr/bin/clang-format clang-format /usr/bin/clang-format-${LLVM_VERSION} 0
          make code-format
      - name: Check if code needed formatting
        run: |
          git --no-pager -c color.ui=always diff HEAD
          if ! git diff HEAD --quiet; then
            echo "[!] Please run 'make code-format' and push its changes."
            exit 1
          fi