SampleGreetPlugin

SampleGreetPlugin.scala

package com.github.saint1991

import sbt._
import sbt.Keys._

object SamplePlugin extends AutoPlugin {

  object autoImport {
    val greet = TaskKey[Unit]("greet", "greet to a person")
  }
  import autoImport._
  
  override def trigger = allRequirements
  override def projectSettings: Seq[Def.Setting[_]] = super.projectSettings ++ Seq(
    name in greet := "saint1991",
    greet := Def.task {
      println(s"Hello ${(name in greet).value}")
    }.value
  )
}