name: Build

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

jobs:
  build:
    runs-on: ubuntu-latest
    if: startsWith(github.event.head_commit.message, '[CI-BUILD]')
    steps:
    - uses: actions/checkout@v4
    - name: Set up JDK 17 (Java 17)
      uses: actions/setup-java@v4
      with:
        java-version: 17
        distribution: 'temurin'
    - name: Cache local Maven repository
      uses: actions/cache@v4
      with:
        path: ~/.m2/repository
        key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
        restore-keys: ${{ runner.os }}-maven-
    - name: Build with Maven
      run: mvn -B package --file pom.xml
    - name: Upload artifacts (Jars)
      uses: actions/upload-artifact@v4
      with:
        name: ${{ github.event.repository.name }}
        path: target/*.jar