in modules/core/src/main/scala/org/scalasteward/core/application/Cli.scala [381:386]
def parseArgs(args: List[String]): ParseResult =
command.parse(args) match {
case Left(help) if help.errors.isEmpty => ParseResult.Help(help.toString)
case Left(help) => ParseResult.Error(help.toString)
case Right(usage) => ParseResult.Success(usage)
}