# File lib/rubygems/commands/update_command.rb, line 100 def update_gem name, version = Gem::Requirement.default return if @updated.any? { |spec| spec.name == name } success = false say "Updating #{name}" begin @installer.install name, version success = true rescue Gem::InstallError => e alert_error "Error installing #{name}:\n\t#{e.message}" success = false end @installer.installed_gems.each do |spec| @updated << spec say "Successfully installed #{spec.full_name}" if success end end