release.yml

name: Release to Maven Central
on:
  workflow_dispatch:
    inputs:
      branch:
        description: "The branch to release from."
        required: true
        default: "main"
jobs:
  release:
    name: Release to Maven Central
    runs-on: ubuntu-20.04

    steps:
      - name: Checkout source code
        uses: actions/checkout@v2
        with:
          fetch-depth: 0
          ref: ${{ github.event.inputs.branch }}
          # We need a personal access token to be able to push to a protected branch
          token: ${{ secrets.GH_PERSONAL_ACCESS_TOKEN }}

      - name: Set up JDK
        uses: actions/setup-java@v2
        with:
          distribution: 'adopt'
          java-version: '8'
          java-package: jdk
          server-id: sonatype-nexus-staging # Value of the distributionManagement/repository/id field of the pom.xml
          server-username: SONATYPE_USERNAME # env variable for username in deploy
          server-password: SONATYPE_PASSWORD # env variable for token in deploy
          # only signed artifacts will be released to maven central. this sets up things for the maven-gpg-plugin
          gpg-private-key: ${{ secrets.GPG_PRIVATE_KEY }} # Value of the GPG private key to import
          gpg-passphrase: GPG_PASSPHRASE # env variable for GPG private key passphrase
          # this creates a settings.xml with the following server
          settings-path: ${{ github.workspace }}

      - name: Configure Git User
        run: |
          git config user.email "oss@expediagroup.com"
          git config user.name "eg-oss-ci"
      - name: Run Maven Targets
        run: mvn release:prepare release:perform --settings $GITHUB_WORKSPACE/settings.xml --activate-profiles sonatype-oss-release-github-actions --batch-mode --show-version --no-transfer-progress
        env:
          SONATYPE_PASSWORD: ${{ secrets.SONATYPE_PASSWORD }}
          SONATYPE_USERNAME: ${{ secrets.SONATYPE_USERNAME }}
          GPG_PASSPHRASE: ${{secrets.GPG_PRIVATE_KEY_PASSPHRASE}}