build-java-app-workflow.yml

name: Reusable workflow to build Java application

on:
  workflow_call:
    inputs:
      maven_opts:
        type: string
        required: false
      build_folder:
        type: string
        required: false
        default: "build-folder"
    outputs:
      version:
        description: "Project version"
        value: ${{ jobs.build-workflow.outputs.version }}

jobs:
  build-workflow:
    name: Build Java app
    runs-on: ubuntu-22.04
    outputs:
      version: ${{ steps.get_project_version.outputs.version }}
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: '10'
      - name: Set up JDK 8
        uses: actions/setup-java@v4
        with:
          distribution: 'temurin'
          java-version: '8'
          cache: 'maven'
      - name: Install dependencies branches
        run: |
          if [ -f "./.github/workflows/scripts/get_same_branch.sh" ]; then
            chmod +x ./.github/workflows/scripts/get_same_branch.sh
            ./.github/workflows/scripts/get_same_branch.sh ${{ github.ref_name }}
          fi
      - name: Maven Build (skip tests)
        run: mvn -T 2 clean install -DskipTests ${{ inputs.maven_opts }} --no-transfer-progress
      - uses: actions/upload-artifact@v4
        with:
          name: ${{ inputs.build_folder }}
          path: build
      - id: get_project_version
        name: Get project version
        run: |
          echo "version=`mvn help:evaluate -q -Dexpression=project.version -DforceStdout`" >> $GITHUB_OUTPUT
      - name: test-version-from-check
        run: echo "Project version is " ${{ steps.get_project_version.outputs.version }}