# File lib/rubygems/remote_fetcher.rb, line 449 def user_agent ua = "RubyGems/#{Gem::VERSION} #{Gem::Platform.local}" ruby_version = RUBY_VERSION ruby_version += 'dev' if RUBY_PATCHLEVEL == -1 ua << " Ruby/#{ruby_version} (#{RUBY_RELEASE_DATE}" if RUBY_PATCHLEVEL >= 0 then ua << " patchlevel #{RUBY_PATCHLEVEL}" elsif defined?(RUBY_REVISION) then ua << " revision #{RUBY_REVISION}" end ua << ")" ua << " #{RUBY_ENGINE}" if defined?(RUBY_ENGINE) and RUBY_ENGINE != 'ruby' ua end