# File lib/rubygems/commands/yank_command.rb, line 31 def execute sign_in version = get_version_from_requirements(options[:version]) platform = get_platform_from_requirements(options) if !version.nil? if options[:undo] unyank_gem(version, platform) else yank_gem(version, platform) end else say "A version argument is required: #{usage}" terminate_interaction end end