datahub/gradle/versioning/versioning.gradle

import groovy.json.JsonSlurper
import org.apache.tools.ant.filters.ReplaceTokens


def detailedVersionString = "0.0.0-unknown-SNAPSHOT"
def cliMajorVersion = "0.15.0" // base default cli major version
def inputFile = file("${rootProject.buildDir}/version.json")

ext {
  versionTag = "v${detailedVersionString}"
}

task readJsonData {
  if (inputFile.exists()) {
    def jsonSlurper = new JsonSlurper()
    def data = jsonSlurper.parse(inputFile)

    detailedVersionString = data.fullVersion
    cliMajorVersion = data.cliMajorVersion
    version = data.version
    versionTag = data.versionTag
  } else {
    println "git.properties JSON file not found: ${inputFile.path}"
  }
}

task printVersionDetails() {
  println("fullVersion=" + detailedVersionString)
  println("cliMajorVersion=" + cliMajorVersion)
  println("version=" +  version)
}

processResources {
  filter(ReplaceTokens, tokens:[fullVersion: detailedVersionString])
  filter(ReplaceTokens, tokens:[cliMajorVersion: cliMajorVersion])
}