maven-ci.yml

name: CI

on: [push]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Set up JDK 17
        uses: actions/setup-java@v3
        with:
          java-version: '17'
          distribution: 'adopt'
      - name: Build with Maven
        run: mvn --batch-mode --update-snapshots verify

  publish-snapshot:
    needs: build
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    if: github.ref == 'refs/heads/develop'
    steps:
      - uses: actions/checkout@v3
      - name: Set up JDK 17
        uses: actions/setup-java@v3
        with:
          distribution: 'adopt'
          java-version: '17'

      - name: Extract project version
        run: echo ::set-output name=version::$(mvn -q -Dexec.executable=echo -Dexec.args='${project.version}' --non-recursive exec:exec)
        id: project

      # publish snapshot iff the project version in pom.xml contains '-SNAPSHOT'
      - name: Publish SNAPSHOT version to GitHub Packages
        if: contains(steps.project.outputs.version, '-SNAPSHOT')
        run: mvn -B --no-transfer-progress deploy -DskipTests
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}