Build.scala

// Create BUILD_INFO file showing status about the build in question
unmanagedResources in Compile <++= baseDirectory.map { base =>
  val dir = java.nio.file.Files.createTempDirectory("sbt_build_info_").toFile
  val buildFile = java.io.File.create(dir, "BUILD_INFO")
  buildFile.deleteOnExit
  dir.deleteOnExit
  val fw = new java.io.FileWriter(buildFile)
  fw.write(
    s"""|Built by ${System.getProperty("user.name")} @ ${java.net.InetAddress.getLocalHost.getHostName} on ${new java.util.Date}
        |===
        |""".stripMargin)
  fw.close
  Process("git", Seq("show", "--summary")) #>> buildFile !;
  Process("git", Seq("status", "--short")) #>> buildFile !;
  Seq(buildFile)
}