Gradle dependsOnSerial

gistfile1.groovy

@Category(Task)
class TaskExtension {

  void dependsOnSerial(List<Task> tasks) {
    if (!tasks) return
    tasks.each { this.dependsOn it }
    def firstTask = tasks.pop();
    tasks.reverse().inject(firstTask) { after, before ->
      after.shouldRunAfter before
      before
    }
  }

  void dependsOnSerial(Object... tasks) {
    dependsOnSerial((List<Task>)tasks.flatten().collect{ it as Task ? it : project.tasks[it] })
  }
}

Task.mixin(TaskExtension)