publish_release_branch.yml

name: Publish package to the Maven Central Repository
on:
  push:
    branches:
      - release/*

# this is required by spotless for JDK 16+
env:
  JAVA_11_PLUS_MAVEN_OPTS: "--add-opens jdk.compiler/com.sun.tools.javac.util=ALL-UNNAMED --add-opens jdk.compiler/com.sun.tools.javac.file=ALL-UNNAMED --add-opens jdk.compiler/com.sun.tools.javac.parser=ALL-UNNAMED --add-opens jdk.compiler/com.sun.tools.javac.tree=ALL-UNNAMED --add-opens jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED"

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Set up Maven Central Repository
        uses: actions/setup-java@v4
        with:
          java-version: '17'
          distribution: 'temurin'
          cache: 'maven'

      - name: Maven Install and Site with Code Coverage
        env:
          MAVEN_OPTS: ${{ env.JAVA_11_PLUS_MAVEN_OPTS }}
        run: mvn -B clean install site -D enable-ci --file pom.xml "-Dsurefire.argLine=--add-opens java.base/java.net=ALL-UNNAMED"

      - uses: actions/upload-artifact@v4
        with:
          name: maven-release-target-directory
          path: target/
          retention-days: 3
          
  publish_package:
    runs-on: ubuntu-latest
    needs: build
    steps:
      - uses: actions/checkout@v4
      - name: Set up Maven Central Repository
        uses: actions/setup-java@v4
        with:
          java-version: '17'
          distribution: 'temurin'
          cache: 'maven'
          server-id: sonatype-nexus-staging
          server-username: MAVEN_USERNAME
          server-password: MAVEN_PASSWORD
          gpg-private-key: ${{ secrets.OSSRH_GPG_SECRET_KEY }}
          gpg-passphrase: MAVEN_GPG_PASSPHRASE

      - name: Publish package
        run: mvn -B clean deploy -DskipTests -Prelease
        env:
          MAVEN_OPTS: ${{ env.JAVA_11_PLUS_MAVEN_OPTS }}
          MAVEN_USERNAME: ${{ secrets.OSSRH_TOKEN_USERNAME }}
          MAVEN_PASSWORD: ${{ secrets.OSSRH_TOKEN_PASSWORD }}
          MAVEN_GPG_PASSPHRASE: ${{ secrets.OSSRH_GPG_SECRET_KEY_PASSPHRASE }}

  publish_gh_pages:
    runs-on: ubuntu-latest
    needs: build
    if:  ${{ github.ref == 'refs/heads/release/v2.x' }}
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0  

      - name: Set Release Version
        id: release
        run: |
          echo "version=$(mvn -B help:evaluate -Dexpression=project.version -q -DforceStdout)" >> $GITHUB_OUTPUT

      - uses: actions/download-artifact@v4
        with:
          name: maven-release-target-directory
          path: target
          
      - name: Checkout GH Pages
        run: |
          git checkout -B gh-pages origin/gh-pages
          find . -type f -and -not -path './target/*' -and -not -path './.*' -and -not -name CNAME -delete
          cp -r ./target/site/* ./

      - name: Publish GH Pages
        uses: stefanzweifel/git-auto-commit-action@v5
        with:
          commit_message: "Release (${{ github.actor }}): v${{ steps.release.outputs.version }}" 
          branch: gh-pages