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#--
# 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
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