class Bundler::Env

def ruby_version
  str = "#{RUBY_VERSION}"
  if RUBY_VERSION < '1.9'
    str << " (#{RUBY_RELEASE_DATE}"
    str << " patchlevel #{RUBY_PATCHLEVEL}" if defined? RUBY_PATCHLEVEL
    str << ") [#{RUBY_PLATFORM}]\n"
  else
    str << "p#{RUBY_PATCHLEVEL}" if defined? RUBY_PATCHLEVEL
    str << " (#{RUBY_RELEASE_DATE} revision #{RUBY_REVISION}) [#{RUBY_PLATFORM}]\n"
  end
end