class Bundler::CLI::Add

def run
  version = @options[:version].nil? ? nil : @options[:version].split(",").map(&:strip)
  unless version.nil?
    version.each do |v|
      raise InvalidOption, "Invalid gem requirement pattern '#{v}'" unless Gem::Requirement::PATTERN =~ v.to_s
    end
  end
  dependency = Bundler::Dependency.new(@gem_name, version, @options)
  Injector.inject([dependency], :conservative_versioning => @options[:version].nil?) # Perform conservative versioning only when version is not specified
  Installer.install(Bundler.root, Bundler.definition)
end