maven.yml

name: Build Test Deploy master

on:
  push:
    branches: [ "master" ]

jobs:
  build:

    runs-on: ubuntu-latest
    strategy:
      matrix:
        java: [ 8, 9 ]

    steps:
    - uses: actions/checkout@v2
    - name: Set up Java
      uses: actions/setup-java@v2
      with:
        java-version: ${{ matrix.java }}
        distribution: 'zulu'
        server-id: ossrh
        server-username: MAVEN_USERNAME
        server-password: MAVEN_PASSWORD
    - name: Cache local Maven repository
      uses: actions/cache@v2
      with:
        path: ~/.m2/repository
        key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
        restore-keys: |
          ${{ runner.os }}-maven-
    - name: Build with Maven, Deploy snapshot to maven central
      run: |
        export MY_POM_VERSION=`mvn -q -Dexec.executable="echo" -Dexec.args='${projects.version}' --non-recursive org.codehaus.mojo:exec-maven-plugin:1.3.1:exec`
        echo "POM VERSION" ${MY_POM_VERSION}
        if [[ $MY_POM_VERSION =~ ^.*SNAPSHOT$ ]];
        then
          mvn --no-transfer-progress -B verify --file pom.xml
          export MY_JAVA_VERSION=`java -version 2>&1 | head -1 | cut -d'"' -f2 | sed '/^1\./s///' | cut -d'.' -f1`
          echo "JAVA VERSION" ${MY_JAVA_VERSION}
          if [[ ${MY_JAVA_VERSION} == "8" ]];
          then
            export MY_POM_VERSION=`mvn -q -Dexec.executable="echo" -Dexec.args='${projects.version}' --non-recursive org.codehaus.mojo:exec-maven-plugin:1.3.1:exec`
            echo "POM VERSION" ${MY_POM_VERSION}
            mvn --no-transfer-progress -B clean deploy
          else
            echo "not deploying on java version: " ${MY_JAVA_VERSION}
          fi
        else
          echo "not building and maven publishing project as it is a release version: " ${MY_JAVA_VERSION}
        fi
      env:
        MAVEN_USERNAME: ${{ secrets.OSSRH_USERNAME }}
        MAVEN_PASSWORD: ${{ secrets.OSSRH_TOKEN }}