gradle3

file1.groovy

buildscript {
    versions = [root: "1.0.0"]

    list1 = ["com.baselogic:common:${versions.root}"]
    list2 = ["com.baselogic:extended:${versions.root}"]    

    println "--- buildscript ---"
    println "versions: $versions"
    println "list1: $list1"
    println "list2: $list2"
}

allprojects {
    println "--- allprojects ---"
    println "versions: $versions"
    println "list1: $list1"
    println "list2: $list2"
}

subprojects {
    println "--- subprojects ---"
    println "versions: $versions"
    println "list1: $list1"
    println "list2: $list2"
}

project('ch01') {}