ammonite predef

predef.sc

interp.load.ivy(
  "com.lihaoyi" %
  s"ammonite-shell_${scala.util.Properties.versionNumberString}" %
  ammonite.Constants.version
)
@
val shellSession = ammonite.shell.ShellSession()
import shellSession._
import ammonite.ops._
import ammonite.shell._
ammonite.shell.Configure(interp, repl, wd)


implicit class PromtExt(promt: ammonite.repl.FullReplAPI) {
  def promtShort(): Unit = repl.prompt() = "> "
  def promtFull(): Unit = repl.prompt.bind(prefix + ":" + shortWd +  "> ")

  private def shortWd =
    if (wd startsWith home) "~/" +  wd.relativeTo(home).toString
    else wd.toString

  private lazy val prefix =
    sys.props("user.name") + PromtExt.org.map("@" + _).getOrElse("")
}
object PromtExt {
  protected val org = None
}

repl.promtFull()