``` task('MyTask') << { println 'Pre-build...

# kobalt

[ethauvin]

task('MyTask') << {
  println 'Pre-build hook!'
}

allprojects {
  afterEvaluate {
    for(def task in it.tasks)
      if(task != rootProject.tasks.MyTask)
        task.dependsOn rootProject.tasks.MyTask
  }
}