reload

# File lib/webrick/httpauth/htpasswd.rb, line 68
      def reload
        mtime = File::mtime(@path)
        if mtime > @mtime
          @passwd.clear
          File.open(@path){|io|
            while line = io.gets
              line.chomp!
              case line
              when %\A[^:]+:[a-zA-Z0-9./]{13}\z!
                if @password_hash == :bcrypt
                  raise StandardError, ".htpasswd file contains crypt password, only bcrypt passwords supported"
                end
                user, pass = line.split(":")
              when %\A[^:]+:\$2[aby]\$\d{2}\$.{53}\z!
                if @password_hash == :crypt
                  raise StandardError, ".htpasswd file contains bcrypt password, only crypt passwords supported"
                end
                user, pass = line.split(":")
              when /:\$/, /:{SHA}/
                raise NotImplementedError,
                      'MD5, SHA1 .htpasswd file not supported'
              else
                raise StandardError, 'bad .htpasswd file'
              end
              @passwd[user] = pass
            end
          }
          @mtime = mtime
        end
      end