Build util

BuildUtil.scala

// http://scastie.org/13093
/***
sbtPlugin := true
*/

import sbt._
import Keys._

object BuildUtil {
  private val localLibs = scala.util.Try(IO.read(file("local-libs.txt"))).map(_.split('\n').map(_.trim).toSet).getOrElse(Set())
  implicit class ProjectExt(p: Project) {
    /**
     * if artifactId is in local-libs.txt then add project at a sibling directory with that name as a dependency, otherwise add that artifact as a regular dependency
     */

    def addLib(artifactId: String, version: String) = {
      val org = "com.com"
      if (localLibs(artifactId)) {
        val ref = ProjectRef(file("..") / artifactId, artifactId)
        val exclude = allDependencies ~= (_.map(_.exclude(org, artifactId)).filterNot(m => m.organization == org && m.name == artifactId))
        p.dependsOn(ref).aggregate(ref).settings(exclude)
      }
      else {
        p.settings(libraryDependencies += org %% artifactId % version)
      }
    }
  }

}