maven.yml

# This workflow will build a Java project with Maven
# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-maven

name: Java CI with Maven

on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
    - name: Set up JDK 8
      uses: actions/setup-java@v2
      with:
        java-version: '8'
        distribution: 'adopt'
    - name: Cache Maven packages
      uses: actions/cache@v2
      with:
        path: ~/.m2/repository
        key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
        restore-keys: ${{ runner.os }}-m2
    - name: Build with Maven
      run: mvn --batch-mode --update-snapshots install

  deploy:
    runs-on: ubuntu-latest
    if:  ${{ github.ref == 'refs/heads/master' }}
    needs: build
    steps:
    - uses: actions/checkout@v2
    - name: Set up Apache Maven Central
      uses: actions/setup-java@v2
      with: # running setup-java again overwrites the settings.xml
        distribution: 'adopt'
        java-version: '8'
        server-id: ossrh
        server-username: MAVEN_USERNAME
        server-password: MAVEN_PASSWORD
        gpg-private-key: ${{ secrets.MAVEN_GPG_PRIVATE_KEY }} # Value of the GPG private key to import
        gpg-passphrase: MAVEN_GPG_PASSPHRASE # env variable for GPG private key passphrase
    - name: Cache Maven packages
      uses: actions/cache@v2
      with:
        path: ~/.m2/repository
        key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
        restore-keys: ${{ runner.os }}-m2
    - name: Publish Snapshot package
      run: mvn --batch-mode -D skipTests --activate-profiles signgpg --no-transfer-progress deploy
      env:
       MAVEN_USERNAME: ${{ secrets.OSSRH_USERNAME }}
       MAVEN_PASSWORD: ${{ secrets.OSSRH_TOKEN }}
       MAVEN_GPG_PASSPHRASE: ${{ secrets.MAVEN_GPG_PASSPHRASE }}