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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.

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Duplication Overall

9% duplication:

18,835 cleaned lines of cleaned code (without empty lines, comments, and frequently duplicated constructs such as imports)
1,837 duplicated lines

149 duplicates

Duplication per Extension

Duplication per Component (primary)

Duplication Between Components (50+ lines)

Download: SVG DOT (open online Graphviz editor)

From Component --> To Component	Duplicated Lines	File Pairs	Details
app_dart/lib (2%) --> dashboard/lib (5%)	506	5 file pairs	details...
app_dart (31%) --> dashboard (58%)	164	1 file pair	details...
dashboard/linux (70%) --> release_dashboard/linux (65%)	106	2 file pairs	details...

Open 3D force graph...

Show more details on duplication between components...

Longest Duplicates

The list of 20 longest duplicates.

See data for all 149 duplicates...

Size	#	Folders	Files	Lines	Code
152	x 2	app_dart/lib/src/model/proto/internal dashboard/lib/model	key.pb.dart key.pb.dart	8:193 (100%) 8:193 (100%)	view
59	x 2	app_dart/lib/src/model/proto/internal dashboard/lib/model	build_status_response.pb.dart build_status_response.pb.dart	8:78 (100%) 8:78 (100%)	view
33	x 2	app_dart dashboard	analysis_options.yaml analysis_options.yaml	88:139 (30%) 76:130 (28%)	view
26	x 2	app_dart/lib/src/request_handling app_dart/lib/src/request_handling	api_request_handler.dart no_auth_request_handler.dart	119:151 (28%) 71:103 (41%)	view
19	x 2	app_dart/lib/src/request_handling app_dart/lib/src/request_handling	api_request_handler.dart subscription_handler.dart	109:129 (20%) 68:88 (17%)	view
16	x 2	app_dart/lib/src/model/proto/internal dashboard/lib/model	proto key.proto key.proto	1:21 (100%) 1:21 (100%)	view
16	x 2	release_dashboard/lib/widgets release_dashboard/lib/widgets	cherrypicks_substeps.dart verify_release_substep.dart	168:184 (11%) 123:139 (15%)	view
15	x 2	release_dashboard/lib/widgets release_dashboard/lib/widgets	merge_pr_substeps.dart verify_release_substep.dart	223:238 (8%) 124:139 (14%)	view
15	x 2	release_dashboard/lib/widgets release_dashboard/lib/widgets	publish_release_substeps.dart verify_release_substep.dart	79:94 (21%) 124:139 (14%)	view
15	x 2	release_dashboard/lib/widgets release_dashboard/lib/widgets	cherrypicks_substeps.dart merge_pr_substeps.dart	169:184 (10%) 223:238 (8%)	view
15	x 2	release_dashboard/lib/widgets release_dashboard/lib/widgets	cherrypicks_substeps.dart publish_release_substeps.dart	169:184 (10%) 79:94 (21%)	view
15	x 2	release_dashboard/lib/widgets release_dashboard/lib/widgets	merge_pr_substeps.dart publish_release_substeps.dart	223:238 (8%) 79:94 (21%)	view
14	x 2	app_dart/lib/src/model/proto/internal dashboard/lib/model	build_status_response.pbenum.dart build_status_response.pbenum.dart	9:26 (100%) 9:26 (100%)	view
14	x 2	repo_dashboard/lib/models repo_dashboard/lib/models	skia_autoroll.dart status_page_status.dart	59:78 (25%) 60:79 (24%)	view
14	x 2	release_dashboard/lib/widgets release_dashboard/lib/widgets	cherrypicks_substeps.dart merge_pr_substeps.dart	72:93 (10%) 104:125 (8%)	view
14	x 2	app_dart dashboard	analysis_options.yaml analysis_options.yaml	154:173 (12%) 146:165 (12%)	view
14	x 2	app_dart dashboard	analysis_options.yaml analysis_options.yaml	45:69 (12%) 27:52 (12%)	view
13	x 2	repo_dashboard/lib/models repo_dashboard/lib/models	roll_history.dart status_page_status.dart	65:83 (10%) 60:78 (22%)	view
13	x 2	dashboard/linux/flutter release_dashboard/linux/flutter	cmake generated_plugins.cmake generated_plugins.cmake	1:16 (100%) 1:16 (100%)	view
13	x 2	app_dart/lib/src/request_handlers app_dart/lib/src/request_handlers	check_flaky_builders.dart file_flaky_issue_and_pr.dart	5:32 (9%) 5:25 (12%)	view

Duplicated Units

The list of top 9 duplicated units.

See data for all 9 unit duplicates...

Size	#	Folders	Files	Lines	Code
20	x 2	app_dart/lib/src/model/proto/internal dashboard/lib/model	key.pb.dart key.pb.dart	28:48 28:48	view
14	x 2	app_dart/lib/src/model/appengine app_dart/lib/src/model/appengine	github_gold_status_update.dart github_build_status_update.dart	53:67 48:62	view
12	x 2	release_dashboard/linux dashboard/linux	my_application.cc my_application.cc	66:82 67:83	view
12	x 2	app_dart/lib/src/model/proto/internal dashboard/lib/model	key.pb.dart key.pb.dart	134:146 134:146	view
12	x 2	app_dart/lib/src/model/proto/internal dashboard/lib/model	build_status_response.pb.dart build_status_response.pb.dart	27:39 27:39	view
9	x 2	app_dart/lib/src/model/appengine app_dart/lib/src/model/appengine	stage.dart allowed_account.dart	94:103 30:39	view
9	x 3	repo_dashboard/lib/services repo_dashboard/lib/services repo_dashboard/lib/services	build_status_service.dart status_page_service.dart skia_autoroll_service.dart	93:102 30:39 31:40	view
6	x 2	app_dart/lib/src/service app_dart/lib/src/service	buildbucket.dart buildbucket.dart	74:80 109:115	view
6	x 2	dashboard/lib/widgets dashboard/lib/logic	filter_property_sheet.dart task_grid_filter.dart	68:74 177:183	view