Places in code with 6 or more lines that are exactly the same.
Intro
- For duplication, we look at places in code where there are 6 or more lines of code that are exactly the same.
- Before duplication is calculated, the code is cleaned to remove empty lines, comments, and frequently duplicated constructs such as imports.
- You should aim at having as little as possible (<5%) of duplicated code as high-level of duplication can lead to maintenance difficulties, poor factoring, and logical contradictions.
- To learn more about duplications and techniques for eliminating duplication, Sokrates recommends the following resources:
- Avoid Repetition, MartinFlower.com (IEEE Software article)
- Refactoring duplicated code, sourcemaking.com
- Beck Design Rules, MartinFowler.com
- DRY (Don't Repeat Yourself) Principle, Wikipedia
- The Cut-and-Paste Programming Software Development Anti-Pattern, sourcemaking.com
- Code Smells / Duplicated Code, Jeff Atwood, codinghorror.com:
- "Duplicated code is the bane of software development. Stamp out duplication whenever possible. You should always be on the lookout for more subtle cases of near-duplication, too. Don't Repeat Yourself!"
- Reducing Coupling, MartinFlower.com (IEEE Software article):
- "There are several ways to describe coupling, but it boils down to this: If changing one module in a program requires changing another module, then coupling exists. ... Duplication always implies coupling, because changing one piece of duplicate code implies changing the other."
Duplication Overall
- 8% duplication:
- 13,024 cleaned lines of cleaned code (without empty lines, comments, and frequently duplicated constructs such as imports)
- 1,051 duplicated lines
- 108 duplicates
Duplication per Extension
Duplication per Component (primary)
Longest Duplicates
The list of 50 longest duplicates.
| Size | # | Folders | Files | Lines | Code |
|---|---|---|---|---|---|
| 35 | x 2 | itchef/cookbooks/cpe_applocker/configurationsitchef/cookbooks/cpe_applocker/configurations | 51:85 (37%)18:52 (44%) | view | |
| 27 | x 2 | itchef/cookbooks/cpe_chrome/specitchef/cookbooks/cpe_chrome/spec | 22:48 (12%)24:51 (25%) | view | |
| 20 | x 2 | itchef/cookbooks/fb_helpers/specitchef/cookbooks/fb_helpers/spec | 388:409 (5%)423:444 (5%) | view | |
| 18 | x 2 | itchef/cookbooks/fb_helpers/specitchef/cookbooks/fb_helpers/spec | 292:309 (4%)381:398 (4%) | view | |
| 18 | x 2 | itchef/cookbooks/fb_helpers/specitchef/cookbooks/fb_helpers/spec | 347:364 (4%)381:398 (4%) | view | |
| 18 | x 2 | itchef/cookbooks/fb_helpers/specitchef/cookbooks/fb_helpers/spec | 292:309 (4%)347:364 (4%) | view | |
| 16 | x 2 | itchef/cookbooks/cpe_chrome/resourcesitchef/cookbooks/cpe_chrome/resources | 104:119 (6%)195:210 (6%) | view | |
| 15 | x 2 | itchef/cookbooks/cpe_applocker/configurationsitchef/cookbooks/cpe_applocker/configurations | 2:18 (15%)2:18 (19%) | view | |
| 14 | x 2 | itchef/cookbooks/cpe_applocker/configurationsitchef/cookbooks/cpe_applocker/configurations | 84:97 (14%)68:81 (17%) | view | |
| 11 | x 2 | itchef/cookbooks/fb_helpers/specitchef/cookbooks/fb_helpers/spec | 299:309 (2%)423:433 (2%) | view | |
| 11 | x 2 | itchef/cookbooks/cpe_logger/librariesitchef/cookbooks/cpe_logger/libraries | 60:70 (11%)82:92 (11%) | view | |
| 11 | x 2 | itchef/cookbooks/cpe_applocker/attributesitchef/cookbooks/cpe_applocker/configurations | 31:41 (44%)5:16 (14%) | view | |
| 11 | x 2 | itchef/cookbooks/cpe_applocker/attributesitchef/cookbooks/cpe_applocker/configurations | 43:53 (44%)87:97 (11%) | view | |
| 11 | x 2 | itchef/cookbooks/fb_helpers/specitchef/cookbooks/fb_helpers/spec | 354:364 (2%)423:433 (2%) | view | |
| 11 | x 2 | itchef/cookbooks/cpe_applocker/attributesitchef/cookbooks/cpe_applocker/configurations | 31:41 (44%)5:16 (11%) | view | |
| 11 | x 2 | itchef/cookbooks/cpe_applocker/attributesitchef/cookbooks/cpe_applocker/configurations | 43:53 (44%)71:81 (14%) | view | |
| 11 | x 2 | legacy/adobe_toolslegacy/adobe_tools | 666:677 (2%)689:700 (2%) | view | |
| 10 | x 2 | itchef/cookbooks/cpe_helpers/specitchef/cookbooks/cpe_helpers/spec | 16:26 (4%)16:26 (12%) | view | |
| 10 | x 2 | itchef/cookbooks/fb_helpers/specitchef/cookbooks/fb_helpers/spec | 254:264 (2%)274:284 (2%) | view | |
| 9 | x 2 | itchef/cookbooks/fb_launchd/specitchef/cookbooks/fb_launchd/spec | 102:111 (4%)140:149 (4%) | view | |
| 9 | x 2 | itchef/cookbooks/fb_helpers/specitchef/cookbooks/fb_helpers/spec | 323:331 (2%)404:412 (2%) | view | |
| 9 | x 2 | itchef/cookbooks/cpe_dep...tion_notifier/resourcesitchef/cookbooks/cpe_nomad/resources | 123:132 (10%)170:179 (6%) | view | |
| 9 | x 2 | itchef/cookbooks/fb_launchd/specitchef/cookbooks/fb_launchd/spec | 135:143 (4%)176:184 (4%) | view | |
| 9 | x 2 | itchef/cookbooks/cpe_helpers/specitchef/cookbooks/cpe_helpers/spec | 43:51 (5%)96:104 (5%) | view | |
| 8 | x 2 | legacy/autodmg_cache_builderlegacy/autodmg_cache_builder | 101:110 (8%)128:137 (8%) | view | |
| 8 | x 2 | itchef/cookbooks/cpe_logger/librariesitchef/cookbooks/cpe_logger/libraries | 82:89 (8%)108:115 (8%) | view | |
| 8 | x 2 | legacy/autodmg_cache_builderlegacy/autodmg_cache_builder | 623:630 (1%)73:80 (8%) | view | |
| 8 | x 2 | itchef/cookbooks/cpe_chrome/resourcesitchef/cookbooks/cpe_chrome/resources | 231:238 (2%)260:267 (2%) | view | |
| 8 | x 2 | itchef/cookbooks/cpe_logger/librariesitchef/cookbooks/cpe_logger/libraries | 51:58 (8%)73:80 (8%) | view | |
| 8 | x 2 | itchef/cookbooks/cpe_remote/resourcesitchef/cookbooks/cpe_remote/resources | 165:173 (4%)162:170 (5%) | view | |
| 8 | x 2 | itchef/cookbooks/cpe_powermanagement/attributesitchef/cookbooks/cpe_powermanagement/attributes | 27:34 (40%)36:43 (40%) | view | |
| 8 | x 2 | itchef/cookbooks/fb_helpers/specitchef/cookbooks/fb_helpers/spec | 173:181 (3%)205:213 (3%) | view | |
| 8 | x 2 | itchef/cookbooks/cpe_remote/resourcesitchef/cookbooks/cpe_remote/resources | 138:145 (7%)176:183 (5%) | view | |
| 8 | x 2 | itchef/cookbooks/cpe_logger/librariesitchef/cookbooks/cpe_logger/libraries | 60:67 (8%)108:115 (8%) | view | |
| 8 | x 2 | itchef/cookbooks/cpe_remote/resourcesitchef/cookbooks/cpe_remote/resources | 124:132 (7%)165:173 (4%) | view | |
| 8 | x 2 | itchef/cookbooks/cpe_remote/resourcesitchef/cookbooks/cpe_remote/resources | 124:132 (7%)162:170 (5%) | view | |
| 7 | x 2 | legacy/adobe_toolslegacy/adobe_tools | 10:19 (17%)9:18 (43%) | view | |
| 7 | x 2 | itchef/cookbooks/fb_helpers/specitchef/cookbooks/fb_helpers/spec | 323:329 (1%)426:432 (1%) | view | |
| 7 | x 2 | itchef/cookbooks/cpe_munki/resourcesitchef/cookbooks/cpe_munki/resources | 55:61 (16%)35:41 (24%) | view | |
| 7 | x 2 | itchef/cookbooks/cpe_logger/librariesitchef/cookbooks/cpe_logger/libraries | 26:32 (7%)73:79 (7%) | view | |
| 7 | x 2 | itchef/cookbooks/fb_helpers/specitchef/cookbooks/fb_helpers/spec | 357:363 (1%)404:410 (1%) | view | |
| 7 | x 2 | itchef/cookbooks/fb_helpers/specitchef/cookbooks/fb_helpers/spec | 323:329 (1%)357:363 (1%) | view | |
| 7 | x 2 | itchef/cookbooks/fb_helpers/specitchef/cookbooks/fb_helpers/spec | 404:410 (1%)426:432 (1%) | view | |
| 7 | x 2 | itchef/cookbooks/cpe_chrome/resourcesitchef/cookbooks/cpe_chrome/resources | 287:293 (2%)310:316 (2%) | view | |
| 7 | x 2 | itchef/cookbooks/fb_helpers/specitchef/cookbooks/fb_helpers/spec | 314:320 (1%)382:388 (1%) | view | |
| 7 | x 2 | itchef/cookbooks/fb_helpers/specitchef/cookbooks/fb_helpers/spec | 292:298 (1%)415:421 (1%) | view | |
| 7 | x 2 | itchef/cookbooks/fb_helpers/specitchef/cookbooks/fb_helpers/spec | 302:308 (1%)404:410 (1%) | view | |
| 7 | x 2 | legacy/adobe_toolslegacy/adobe_tools | 10:19 (21%)9:18 (43%) | view | |
| 7 | x 2 | itchef/cookbooks/cpe_helpers/specitchef/cookbooks/cpe_helpers/spec | 69:75 (3%)93:99 (3%) | view | |
| 7 | x 2 | itchef/cookbooks/fb_helpers/specitchef/cookbooks/fb_helpers/spec | 347:353 (1%)415:421 (1%) | view |
