マルチプロジェクトなBuild.scala

Build.scala

import sbt._
import Keys._
import com.github.retronym.SbtOneJar
import scala._

object Build extends Build {
  val specs = "org.specs2" %% "specs2" % "1.9" % "test"
  val specsResolver = Seq("snapshots" at "http://oss.sonatype.org/content/repositories/snapshots",
    "releases"  at "http://oss.sonatype.org/content/repositories/releases")
  val mysqlDriver = "mysql" % "mysql-connector-java" % "5.1.19" % "runtime"
  val squeryl =  "org.squeryl" %% "squeryl" % "0.9.5"
  lazy val dependencies = Seq(specs, mysqlDriver, squeryl)

  val hello = TaskKey[Unit]("hello")
  val helloTask = hello  := {
    println("hello")
  }

  val standardSettings =  Seq(
    exportJars := true,
    scalaVersion := "2.9.2",
    libraryDependencies ++= dependencies,
    resolvers ++= specsResolver
  )  ++ Defaults.defaultSettings ++ Seq(helloTask)


  lazy val root = Project(id = "root",
    base = file(".")) aggregate(core, sample)

  lazy val helloCompile = (compile in Compile) <<= compile in Compile dependsOn (hello)

  lazy val core = Project("core",
    file("core"),
    settings = standardSettings ++ Seq(helloCompile))

  lazy val sample = Project("sample",
    file("sample"),
    settings = standardSettings ++ SbtOneJar.oneJarSettings ++
      Seq(helloCompile)
  ) dependsOn(core)
}