class Gem::Commands::YankCommand

def execute
  @host = options[:host]
  sign_in @host, scope: get_yank_scope
  version   = get_version_from_requirements(options[:version])
  platform  = get_platform_from_requirements(options)
  if version
    yank_gem(version, platform)
  else
    say "A version argument is required: #{usage}"
    terminate_interaction
  end
end