    # File lib/chef/provider/package/portage.rb, line 56
            def parse_emerge(package, txt)
              availables = {}
              package_without_category = package.split("/").last
              found_package_name = nil

              txt.each_line do |line|
                if line =~ /\*\s+#{PACKAGE_NAME_PATTERN}/
                  found_package_name = $&.strip
                  if found_package_name == package || found_package_name.split("/").last == package_without_category
                    availables[found_package_name] = nil
                  end
                end

                if line =~ /Latest version available: (.*)/ && availables.has_key?(found_package_name)
                  availables[found_package_name] = $1.strip
                end
              end

              if availables.size > 1
                # shouldn't happen if a category is specified so just use `package`
                raise Chef::Exceptions::Package, "Multiple emerge results found for #{package}: #{availables.keys.join(" ")}. Specify a category."
              end

              availables.values.first
            end