/tools/Ruby/lib/ruby/site_ruby/1.8/rubygems/version_option.rb
http://github.com/agross/netopenspace · Ruby · 65 lines · 38 code · 14 blank · 13 comment · 3 complexity · 56abc76282d4d5a0194916d48a58416f MD5 · raw file
- #--
- # Copyright 2006 by Chad Fowler, Rich Kilmer, Jim Weirich and others.
- # All rights reserved.
- # See LICENSE.txt for permissions.
- #++
- require 'rubygems'
- ##
- # Mixin methods for --version and --platform Gem::Command options.
- module Gem::VersionOption
- ##
- # Add the --platform option to the option parser.
- def add_platform_option(task = command, *wrap)
- OptionParser.accept Gem::Platform do |value|
- if value == Gem::Platform::RUBY then
- value
- else
- Gem::Platform.new value
- end
- end
- add_option('--platform PLATFORM', Gem::Platform,
- "Specify the platform of gem to #{task}", *wrap) do
- |value, options|
- unless options[:added_platform] then
- Gem.platforms = [Gem::Platform::RUBY]
- options[:added_platform] = true
- end
- Gem.platforms << value unless Gem.platforms.include? value
- end
- end
- ##
- # Add the --prerelease option to the option parser.
- def add_prerelease_option(*wrap)
- add_option("--[no-]prerelease",
- "Allow prerelease versions of a gem", *wrap) do |value, options|
- options[:prerelease] = value
- end
- end
- ##
- # Add the --version option to the option parser.
- 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
- end