Unzip source JARs to simplify browsing in text editors.

gistfile1.scala

trait SourceExtractor {
  self: BasicScalaProject =>
  def srcManagedDir = info.projectPath / "src_managed"

  def scalaPaths = info.projectPath / "project" / "boot" / ("scala-" + crossScalaVersionString) ** "*-src.jar"
  def libPaths = (managedDependencyPath ** "*-sources.jar")

  lazy val sources = sourcesAction

  def sourcesAction = task {
    FileUtilities.clean(srcManagedDir, log)

    (libPaths +++ scalaPaths).get.foreach { libPath: Path =>
      FileUtilities.unzip(libPath, srcManagedDir, log)
    }

    None
  } describedAs ("Extracts all the source JARs to make it easily browsable from an editor.")

}