# File lib/rubygems/version_option.rb, line 35 def add_version_option(task = command, *wrap) OptionParser.accept Gem::Requirement do |value| Gem::Requirement.new value end add_option('-v', '--version VERSION', Gem::Requirement, "Specify version of gem to #{task}", *wrap) do |value, options| options[:version] = value options[:prerelease] = true if value.prerelease? end end