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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.

Learn more...

Duplication Overall

6% duplication:

39,208 cleaned lines of cleaned code (without empty lines, comments, and frequently duplicated constructs such as imports)
2,645 duplicated lines

1,665 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
metalos/lib (2%) --> metalos/metalctl (7%)	361	448 file pairs	details...
metalos/host_configs (10%) --> metalos/lib (1%)	217	196 file pairs	details...
metalos/initrd (58%) --> metalos/lib (1%)	176	28 file pairs	details...
metalos/lib (1%) --> metalos/metalos_macros (142%)	174	28 file pairs	details...
metalos/host_configs (7%) --> metalos/metalctl (3%)	146	112 file pairs	details...
metalos/initrd (35%) --> metalos/metalctl (2%)	105	16 file pairs	details...
metalos/metalctl (2%) --> metalos/metalos_macros (83%)	102	16 file pairs	details...
metalos/host_configs (2%) --> metalos/initrd (17%)	51	7 file pairs	details...

Open 3D force graph...

Show more details on duplication between components...

Longest Duplicates

The list of 50 longest duplicates.

See data for all 1,665 duplicates...

Size	#	Folders	Files	Lines	Code
82	x 2	metalos/lib/serde_systemd/src/ser metalos/lib/serde_systemd/src/ser	unit.rs unit_file.rs	61:193 (68%) 50:182 (73%)	view
43	x 2	metalos/metalctl/src metalos/metalctl/src	mount.rs mount.rs	249:291 (13%) 312:354 (13%)	view
31	x 2	metalos/metalctl/src metalos/metalctl/src	generator.rs generator.rs	787:825 (3%) 859:897 (3%)	view
30	x 2	metalos/lib/serde_systemd/src/ser metalos/lib/serde_systemd/src/ser	section.rs unit_file.rs	60:117 (24%) 57:114 (26%)	view
30	x 2	metalos/lib/serde_systemd/src/ser metalos/lib/serde_systemd/src/ser	section.rs unit.rs	60:117 (24%) 68:125 (25%)	view
29	x 2	metalos/lib/send_events/src metalos/metalctl/src	send_events.rs send_event.rs	473:509 (7%) 119:155 (23%)	view
27	x 2	metalos/lib/serde_systemd/src/ser metalos/lib/serde_systemd/src/ser	section.rs unit_file.rs	149:185 (22%) 146:182 (24%)	view
27	x 2	metalos/lib/serde_systemd/src/ser metalos/lib/serde_systemd/src/ser	section.rs unit.rs	149:185 (22%) 157:193 (22%)	view
24	x 2	metalos/lib/serde_systemd/src/ser metalos/lib/serde_systemd/src/ser	section.rs value.rs	120:153 (19%) 103:136 (19%)	view
24	x 2	metalos/metalctl/src metalos/metalctl/src	generator.rs generator.rs	867:894 (2%) 914:941 (2%)	view
24	x 2	metalos/lib/systemd/src metalos/lib/systemd/src	machined_manager.rs transient_unit.rs	426:454 (7%) 251:280 (9%)	view
24	x 2	metalos/metalctl/src metalos/metalctl/src	generator.rs generator.rs	795:822 (2%) 914:941 (2%)	view
21	x 2	antlir/bzl antlir/bzl	systemd.bzl systemd.bzl	172:193 (6%) 231:252 (6%)	view
21	x 2	metalos/metalctl/src metalos/metalctl/src	generator.rs generator.rs	570:590 (2%) 638:658 (2%)	view
20	x 2	metalos/lib/serde_systemd/src/ser metalos/lib/serde_systemd/src/ser	key.rs section.rs	108:131 (17%) 132:155 (16%)	view
20	x 2	tools/testinfra/runner/src tools/testinfra/runner/src	pyunit.rs rust.rs	1:28 (38%) 1:30 (37%)	view
18	x 2	metalos/lib/serde_systemd/src/ser metalos/lib/serde_systemd/src/ser	key.rs value.rs	108:129 (15%) 115:136 (14%)	view
16	x 2	metalos/metalctl/src metalos/metalctl/src	generator.rs generator.rs	601:619 (1%) 663:681 (1%)	view
16	x 2	antlir/bzl/image/feature antlir/bzl/image/feature	symlink.bzl symlink.bzl	33:54 (23%) 66:87 (23%)	view
15	x 2	metalos/metalctl/src/update metalos/metalctl/src/update	offline.rs online.rs	1:18 (71%) 1:18 (71%)	view
15	x 2	metalos/lib/send_events/src metalos/metalctl/src	send_events.rs send_event.rs	435:451 (4%) 76:92 (12%)	view
15	x 2	antlir/bzl/linux/boot/grub2 antlir/bzl/linux/boot/systemd	defs.bzl defs.bzl	9:23 (57%) 9:23 (57%)	view
14	x 2	metalos/lib/serde_systemd/src/ser metalos/lib/serde_systemd/src/ser	mod.rs mod.rs	110:125 (9%) 141:156 (9%)	view
13	x 2	metalos/metalctl/src metalos/metalctl/src	generator.rs generator.rs	290:303 (1%) 314:327 (1%)	view
13	x 2	antlir antlir	recv_fds_and_run.py send_fds_and_run.py	53:65 (25%) 157:169 (11%)	view
13	x 2	metalos/lib/systemd/src metalos/lib/systemd/src	transient_unit.rs transient_unit.rs	233:245 (5%) 285:298 (5%)	view
13	x 2	metalos/lib/serde_systemd/src/ser metalos/lib/serde_systemd/src/ser	key.rs value.rs	139:155 (11%) 146:162 (10%)	view
11	x 2	metalos/metalctl/src metalos/metalctl/src	generator.rs generator.rs	668:681 (1%) 731:744 (1%)	view
11	x 2	tools/testinfra/runner/src tools/testinfra/runner/src	pyunit.rs rust.rs	34:47 (21%) 32:45 (20%)	view
11	x 2	metalos/metalctl/src metalos/metalctl/src	generator.rs generator.rs	606:619 (1%) 731:744 (1%)	view
11	x 2	antlir/compiler/items antlir/compiler/items	mount.py mount_utils.py	199:212 (6%) 32:45 (50%)	view
10	x 2	metalos/lib/starlark_util/src metalos/lib/starlark_util/src	starlark_util.rs value.rs	214:223 (6%) 377:386 (3%)	view
10	x 2	antlir/rpm antlir/rpm	repo_server.py repo_server.py	193:202 (4%) 219:228 (4%)	view
10	x 2	metalos/lib/systemd_generator_lib/src metalos/lib/systemd_generator_lib/src	systemd_generator_lib.rs systemd_generator_lib.rs	293:306 (2%) 336:349 (2%)	view
10	x 2	metalos/lib/serde_systemd/src/ser metalos/lib/serde_systemd/src/ser	value_seq.rs value_seq.rs	55:69 (15%) 74:88 (15%)	view
10	x 2	metalos/metalctl/src metalos/metalctl/src	generator.rs generator.rs	318:327 (1%) 333:342 (1%)	view
10	x 2	antlir/vm antlir/vm	share.py share.py	109:129 (5%) 152:174 (5%)	view
10	x 2	metalos/lib/systemd_generator_lib/src metalos/lib/systemd_generator_lib/src	systemd_generator_lib.rs systemd_generator_lib.rs	270:279 (2%) 418:427 (2%)	view
10	x 2	metalos/metalctl/src metalos/metalctl/src	generator.rs generator.rs	294:303 (1%) 333:342 (1%)	view
9	x 2	antlir antlir	common.py common.py	262:272 (3%) 326:336 (3%)	view
9	x 2	metalos/lib/serde_systemd/src/ser metalos/lib/serde_systemd/src/ser	key.rs value.rs	1:11 (7%) 1:11 (7%)	view
9	x 2	antlir antlir	common.py common.py	278:295 (3%) 345:362 (3%)	view
9	x 2	metalos/lib/serde_systemd/src/ser metalos/lib/serde_systemd/src/ser	unit_file.rs value.rs	1:11 (8%) 1:11 (7%)	view
9	x 2	antlir antlir	common.py common.py	243:260 (3%) 312:323 (3%)	view
9	x 2	metalos/lib/systemd_generator_lib/src metalos/lib/systemd_generator_lib/src	systemd_generator_lib.rs systemd_generator_lib.rs	306:314 (2%) 472:480 (2%)	view
9	x 2	antlir/rpm antlir/rpm	repo_db.py repo_db.py	510:526 (2%) 580:594 (2%)	view
9	x 2	metalos/lib/serde_systemd/src/ser metalos/lib/serde_systemd/src/ser	section.rs unit.rs	1:11 (7%) 1:11 (7%)	view
9	x 2	metalos/metalctl/src metalos/metalctl/src	generator.rs generator.rs	1027:1035 (1%) 1041:1049 (1%)	view
9	x 2	metalos/lib/serde_systemd/src/ser metalos/lib/serde_systemd/src/ser	key.rs unit_file.rs	1:11 (7%) 1:11 (8%)	view
9	x 2	metalos/metalctl/src metalos/metalctl/src	generator.rs generator.rs	986:994 (1%) 1008:1016 (1%)	view

Duplicated Units

The list of top 4 duplicated units.

See data for all 4 unit duplicates...

Size	#	Folders	Files	Lines	Code
7	x 3	metalos/lib/serde_systemd/src/ser metalos/lib/serde_systemd/src/ser metalos/lib/serde_systemd/src/ser	section.rs unit_file.rs unit.rs	149:157 146:154 157:165	view
7	x 3	metalos/lib/serde_systemd/src/ser metalos/lib/serde_systemd/src/ser metalos/lib/serde_systemd/src/ser	section.rs unit_file.rs unit.rs	175:183 172:180 183:191	view
6	x 3	metalos/lib/serde_systemd/src/ser metalos/lib/serde_systemd/src/ser metalos/lib/serde_systemd/src/ser	section.rs key.rs value.rs	132:139 108:115 115:122	view
6	x 2	metalos/lib/serde_systemd/src/ser metalos/lib/serde_systemd/src/ser	unit_file.rs unit.rs	129:136 140:147	view