SBT BuildInfo example 1 - output in /target

gistfile1.scala

  object BuildInfo {

    lazy val settings = sourceGenerators in Test <+= (streams, sourceManaged in Test, baseDirectory) map emitBuildInfo

    def emitBuildInfo(logger: TaskStreams, outputDir: File, baseDir: File): Seq[File] = {
      val outputFile = outputDir / "BuildInfo.scala"
      logger.log.info(s"Generating build info file at: ${outputFile}")

      IO.write(outputFile,
        s"""
          |package buildInfo
          |
          |object BuildInfo {
          |  val baseDir = "${baseDir.absolutePath}"
          |}
        """.stripMargin)

      Seq(outputFile)
    }

  }