SBT Ammonite integration

ammonite.sbt

val ammoniteVersion = "1.0.2"

lazy val Ammonite = config("ammonite-internal").extend(Test).hide
ivyConfigurations += Ammonite
inConfig(Ammonite)(Defaults.configSettings)

resourceDirectories in Ammonite += (resourceDirectory in Test).value

fork in (Ammonite, run) := true

val log4jVersion = "2.8.2"

libraryDependencies ++= Seq(
  "com.lihaoyi"              % "ammonite"         % ammoniteVersion % Ammonite cross CrossVersion.full,
  "org.apache.logging.log4j" % "log4j-api"        % log4jVersion    % Ammonite,
  "org.apache.logging.log4j" % "log4j-core"       % log4jVersion    % Ammonite,
  "org.apache.logging.log4j" % "log4j-1.2-api"    % log4jVersion    % Ammonite,
  "org.apache.logging.log4j" % "log4j-slf4j-impl" % log4jVersion    % Ammonite
)

lazy val amm = inputKey[Unit]("Runs the Ammonite REPL.")
amm := { (runMain in Ammonite).partialInput(" ammonite.Main").evaluated }

outputStrategy in Ammonite := Some(StdoutOutput)

connectInput in (Ammonite, run) := true

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)

val localInitPath = cwd / ".amm_init.sc"
if (exists(localInitPath)) { repl.load.exec(localInitPath) }