sbtのマルチプロジェクト構成

Build.scala

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

object AggregateBuild 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")

    lazy val dependencies = Seq(specs)


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


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

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


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

}