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, pull_request ]

jobs:
  build:

    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Set up JDK 11
        uses: actions/setup-java@v3
        with:
          java-version: '11'
          distribution: 'adopt'
      - name: Cache Maven packages
        uses: actions/cache@v3
        with:
          path: ~/.m2
          key: ${{ runner.os }}-m2-${{ secrets.CACHE_VERSION }}-${{ hashFiles('**/pom.xml') }}
          restore-keys: ${{ runner.os }}-m2-${{ secrets.CACHE_VERSION }}
      - name: Append 'SNAPSHOT' to version if 'push' happened on 'main'
        if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
        run: |
          mvn help:evaluate -N -Dexpression=project.version|grep -v '\['
          VERSION=$(mvn help:evaluate -N -Dexpression=project.version|grep -v '\[')
          mvn versions:set -DnewVersion=$VERSION-SNAPSHOT
      - name: Append branch name to version if 'push' did not happen on 'main' or a tag
        if: ${{ github.event_name == 'push' && github.ref != 'refs/heads/main' && !startsWith(github.ref, 'refs/tags/')}}
        run: |
          mvn help:evaluate -N -Dexpression=project.version|grep -v '\['
          VERSION=$(mvn help:evaluate -N -Dexpression=project.version|grep -v '\[')
          mvn versions:set -DnewVersion=$VERSION-${GITHUB_REF##*/}
      - name: Package with Maven
        run: mvn -B package --file pom.xml
      - name: Upload Artifact
        uses: actions/upload-artifact@v3
        with:
          name: jars
          retention-days: 2
          path: |
            target/*.jar
            !target/*-with-dependencies.jar