# File lib/rake.rb, line 1123
1123:   def help
1124:     usage
1125:     puts
1126:     puts "Options are ..."
1127:     puts
1128:     OPTIONS.sort.each do |long, short, mode, desc|
1129:       if mode == GetoptLong::REQUIRED_ARGUMENT
1130:         if desc =~ /\b([A-Z]{2,})\b/
1131:           long = long + "=#{$1}"
1132:         end
1133:       end
1134:       printf "  %-20s (%s)\n", long, short
1135:       printf "      %s\n", desc
1136:     end
1137:   end