Using scalaxb within multiple configs

build.scala

import sbt._

object Builds extends Build {
  import sbtscalaxb.Plugin._
  import ScalaxbKeys._

  val Xsd = config("xsd") extend(Compile)
  val Wsdl = config("wsdl") extend(Compile)
  val Soap11 = config("soap11") extend(Compile)
  val Soap12 = config("soap12") extend(Compile)

  lazy val cli = Project("app", file("cli"), settings = cliSettings)

  lazy val buildSettings = Defaults.defaultSettings ++ customLsSettings ++ Seq(
    version := "0.6.9-SNAPSHOT",
    organization := "org.scalaxb"
  )

  lazy val cliSettings = buildSettings ++ Seq(
    name := "scalaxb",
    unmanagedSourceDirectories in Compile <+= baseDirectory( _ / "src_managed" )) ++ codeGenSettings

  def customScalaxbSettings(base: String): Seq[Project.Setting[_]] = Seq(
    sources <<= xsdSource map { xsd => Seq(xsd / (base + ".xsd")) },
    sourceManaged <<= baseDirectory / "src_managed",
    packageName := base,
    protocolFileName := base + "_xmlprotocol.scala",
    classPrefix := Some("X")
  )

  def soapSettings(base: String): Seq[Project.Setting[_]] = Seq(
    sources <<= xsdSource map { xsd => Seq(xsd / (base + ".xsd")) },
    sourceManaged <<= sourceDirectory(_ / "main" / "resources"),
    packageName := base,
    protocolFileName := base + "_xmlprotocol.scala",
    packageDir := false,
    generate <<= (generate) map { files =>
      val renamed = files map { file => new File(file.getParentFile, file.getName + ".template") }
      IO.move(files zip renamed)
      renamed
    })

  def codeGenSettings: Seq[Project.Setting[_]] =
    inConfig(Xsd)(baseScalaxbSettings ++ inTask(scalaxb)(customScalaxbSettings("xmlschema"))) ++
    inConfig(Wsdl)(baseScalaxbSettings ++ inTask(scalaxb)(customScalaxbSettings("wsdl11"))) ++
    inConfig(Soap11)(baseScalaxbSettings ++ inTask(scalaxb)(soapSettings("soapenvelope11"))) ++
    inConfig(Soap12)(baseScalaxbSettings ++ inTask(scalaxb)(soapSettings("soapenvelope12")))
}