allprojects {
    apply plugin: 'java'
    apply plugin: 'maven'
    apply plugin: 'jacoco'

    sourceCompatibility = 1.8
    targetCompatibility = 1.8

    repositories {
        mavenLocal()
        mavenCentral()
        jcenter()

        maven { url "http://repo1.maven.org/maven2/" }
    }
}

subprojects {
    dependencies {
        ...
    }

    test.useTestNG()
}

task codeCoverageReport(type: JacocoReport) {
    executionData fileTree(project.rootDir.absolutePath).include("**/build/jacoco/*.exec")

    subprojects.each {
        sourceSets it.sourceSets.main
    }

    reports {
        xml.enabled true
        xml.destination file("${buildDir}/reports/jacoco/report.xml")
        html.enabled false
        csv.enabled false
    }
}

codeCoverageReport.dependsOn {
    subprojects*.test
}