formatting.yml

name: Check formatting

concurrency:
  # Don't cancel on master, creating a PR when a push workflow is already going will cancel the push workflow in favour of the PR workflow
  group: ${{ github.workflow }}-${{ github.ref == 'refs/heads/master' && github.run_id || github.event.number && github.head_ref || github.ref_name }}
  cancel-in-progress: true

on:
  merge_group:
  push:
    branches:
      - release/**
  pull_request:
    branches:
      - master
      - release/**

jobs:
  all:
    name: C/C++, CMake and Python
    runs-on: ubuntu-22.04
    timeout-minutes: 5
    steps:
      - uses: actions/checkout@v4
      - name: Update submodule
        working-directory: ${{runner.workspace}}/nrn
        run: git submodule update --init external/coding-conventions
      - name: Check formatting
        working-directory: ${{runner.workspace}}/nrn
        run: |
          external/coding-conventions/bin/format

          modified_files=$(git diff --name-only)
          if [ -n "$modified_files" ]; then
              echo "Some files are not well formatted:"
              echo "$modified_files"
              echo ""
              echo "The diff is:"
              git --no-pager diff
              exit 1
          fi