source generators from github

build.scala

import sbt._
import Keys._

object build extends Build{

def github(org: String, name: String, hash: String): Project = Project(
    name, file(name)
  ).settings(
    baseSettings ++ seq(
      sourceGenerators in Compile <+= (sourceManaged in Compile){ dir => task{
        IO.withTemporaryDirectory{ tmp =>
          val files = IO.unzipURL(url(<x>https://github.com/{org}/{name}/archive/{hash}.zip</x>.text), tmp)
          IO.move(tmp / (name + "-" + hash) / "src" / "main" / "scala", dir)
        }
        (dir ** "*.scala") +++ (dir ** "*.java") get
      }}
    ) : _*
  )

}