in src/main/scala/org/intellij/scala/bundle/MacHost.scala [58:65]
def createSignedDiskImage(appName: String, ideaBuildNumber: String, macProperties: File): Unit = {
val properties = propertiesIn(macProperties)
def property(key: String) = properties.getProperty(key).ensuring(_ != null, key)
createSignedDiskImage(appName, ideaBuildNumber)(
property("host"), property("fingerprint"), property("login"), property("password"), property("identity"))
}