build.gradle

allprojects  {
  apply plugin: 'maven'
  apply plugin: 'idea'
  apply plugin: 'eclipse'
  group = 'com.googlecode.d2j'
  version = System.getProperty('GITHUB_REF_NAME', '2.x').replaceAll('[/ ]','-')
}

defaultTasks('clean','distZip')

subprojects {
  apply plugin: 'java'
  apply plugin: 'maven'
  sourceCompatibility = 1.8
  targetCompatibility = 1.8

  task packageSources(type: Jar) {
    classifier = 'sources'
    from sourceSets.main.allSource
  }
  artifacts.archives packageSources
  repositories {
    mavenCentral()
    google()
  }

// == support provided scope
  configurations {
    provided
  }
  sourceSets {
      main { compileClasspath += configurations.provided }
      test {
        compileClasspath += configurations.provided
      }
  }
// == end

  [compileJava, compileTestJava]*.options.collect {options ->options.encoding = 'UTF-8'}

  dependencies {
    testCompile group: 'junit', name: 'junit', version:'4.11'
    compile fileTree(dir: 'libs', include: '*.jar')
  }

  jar {
    manifest {
      attributes("Implementation-Title": project.name,
                 "Implementation-Version": project.version,
                 "Build-Time": new Date().format("yyyy-MM-dd'T'HH:mm:ssZ"),
                 "Revision":"${getRevision()}",
                 "Build-Number": System.env.BUILD_NUMBER?System.env.BUILD_NUMBER:"-1",
      )
    }
    from (project.parent.projectDir)  {
      include 'NOTICE.txt'
      include 'LICENSE.txt'
      into('META-INF')
    }
  }
}

def getRevision() {
  if (System.env.BUILD_REVISION) {
    return System.env.BUILD_REVISION
  }
  if (System.env.GIT_REVISION) {
    return System.env.GIT_REVISION
  }
  if (System.env.MERCURIAL_REVISION) {
    System.env.MERCURIAL_REVISION
  }

  def ver = null;
  try {
    ver = 'git rev-parse --short HEAD'.execute().text.trim()
  } catch (e) {
    // ignore
  }
  if (!ver) {
    try {
      ver = 'hg id -i -b -t'.execute().text.split(' ')[0];
    } catch (e) {
      // ignore
    }
  }
  if (!ver) {
    ver = "HEAD"
  }
  return ver
}