module BenchmarkDriver::Rvm

def self.parse_spec(full_spec)
  name, spec = full_spec.split('::', 2)
  spec ||= name # if `::` is not given, regard whole string as spec
  version, *args = spec.shellsplit
  BenchmarkDriver::Config::Executable.new(
    name: name,
    command: [BenchmarkDriver::Rvm.ruby_path(version), *args],
  )
end