format-checker.yml

name: Check Formatting

on: [pull_request]

jobs:
  check-format:
    runs-on: ubuntu-20.04
    steps:
    - name: Checkout
      uses: actions/checkout@v1
      with:
        submodules: true
    - name: Install dependencies from APT
      run: |
        set -e  # Add this line
        wget https://apt.llvm.org/llvm.sh
        chmod +x llvm.sh
        sudo ./llvm.sh 18
        sudo apt install -y git clang-format-18
        sudo update-alternatives --install /usr/bin/clang-format clang-format /usr/bin/clang-format-18 100
        sudo update-alternatives --set clang-format /usr/bin/clang-format-18
    - name: Check Formatting
      run: |
        set -e  # Add this line
        cd ${{ github.workspace }}
        git reset --soft $(git merge-base HEAD origin/master)
        diff=$(git clang-format-18 --style=file --diff)
        if [ $(echo "${diff}" | wc -l) -gt 0 ]; then
          echo "Formatting errors detected! Suggested changes:"
          echo "${diff}"
          exit 5
        else
          echo "No formatting errors detected!"
          exit 0
        fi