formatting.yml

name: Format code

on:
  pull_request:
    branches: [ master ]
    paths-ignore:
      - '**.md'

jobs:
  formatting:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Set up JDK 11
        uses: actions/setup-java@v3
        with:
          java-version: '11'
          distribution: 'temurin'
      - name: Cache Gradle packages
        uses: actions/cache@v3
        with:
          path: ~/.gradle/caches
          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}
          restore-keys: ${{ runner.os }}-gradle
      - name: Check code compliance to google java format standards
        uses: gradle/gradle-build-action@v2
        with:
          arguments: verGJF
      - name: Comment PR if code does not comply to Google Java style guide
        if: ${{ failure() }}
        uses: actions/github-script@v6
        with:
          github-token: ${{secrets.GITHUB_TOKEN}}
          script: |
            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: "This contribution does not follow the conventions set by the [Google Java style guide](https://google.github.io/styleguide/javaguide.html). Please run the following command line at the root of the project to fix formatting errors: ```./gradlew goJF```."
            })