| Name | Lines of code | Maintainability | Test coverage |
| lib/rake/scope.rb | 28 | A 0 mins | |
| lib/rake/loaders/makefile.rb | 29 | A 0 mins | |
| lib/rake/rake_module.rb | 33 | A 0 mins | |
| lib/rake/invocation_chain.rb | 36 | A 0 mins | |
| lib/rake/file_task.rb | 36 | A 0 mins | |
| lib/rake.rb | 36 | A 0 mins | |
| lib/rake/thread_history_display.rb | 40 | A 0 mins | |
| lib/rake/clean.rb | 50 | A 35 mins | |
| lib/rake/dsl_definition.rb | 54 | A 0 mins | |
| lib/rake/promise.rb | 66 | A 0 mins | |
| lib/rake/linked_list.rb | 67 | A 0 mins | |
| lib/rake/task_arguments.rb | 69 | A 0 mins | |
| lib/rake/file_utils_ext.rb | 72 | A 0 mins | |
| lib/rake/file_utils.rb | 73 | A 2 hrs | |
| lib/rake/ext/string.rb | 86 | A 3 hrs | |
| lib/rake/cpu_counter.rb | 90 | A 0 mins | |
| lib/rake/testtask.rb | 110 | A 3 hrs | |
| lib/rake/thread_pool.rb | 114 | A 2 hrs | |
| lib/rake/packagetask.rb | 114 | B 5 hrs | |
| lib/rake/task_manager.rb | 246 | B 5 hrs | |
| lib/rake/file_list.rb | 251 | C 1 day | |
| lib/rake/task.rb | 283 | C 1 day | |
| doc/jamis.rb | 512 | C 1 day | |
| lib/rake/application.rb | 702 | F 4 days |