name: Format

run-name: ${{ github.actor }} is formatting

on: [ push, pull_request ]

jobs:
  formatting:
    runs-on: docker
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-java@v4
        with:
          java-version: '21'
          distribution: 'temurin'
          cache: 'gradle'
      - uses: axel-op/googlejavaformat-action@v3
        with:
          args: "--replace"
          skip-commit: true
      - name: Print diffs
        run: git --no-pager diff --exit-code