gitlab-org / Gitaly - Conditional Complexity

Intro

Conditional complexity (also called cyclomatic complexity) is a term used to measure the complexity of software. The term refers to the number of possible paths through a program function. A higher value ofter means higher maintenance and testing costs (infosecinstitute.com).
Conditional complexity is calculated by counting all conditions in the program that can affect the execution path (e.g. if statement, loops, switches, and/or operators, try and catch blocks...).
Conditional complexity is measured at the unit level (methods, functions...).
Units are classified in four categories based on the measured McCabe index: 1-5 (simple units), 6-10 (medium complex units), 11-25 (complex units), 26+ (very complex units).

Learn more...

Conditional Complexity Overall

There are 9,174 units with 97,153 lines of code in units (70.6% of code).

1 very complex units (487 lines of code)
27 complex units (3,677 lines of code)
242 medium complex units (14,994 lines of code)
560 simple units (18,129 lines of code)
8,344 very simple units (59,866 lines of code)

Legend:

51+

26-50

11-25

6-10

1-5

Alternative Visuals

3D view of all units

Conditional Complexity per Extension

51+

26-50

11-25

6-10

1-5

Conditional Complexity per Logical Component

primary logical decomposition

51+

26-50

11-25

6-10

1-5

Most Complex Units

Top 50 most complex units

Unit	# lines	McCabe index	# params
func run() in internal/cli/gitaly/serve.go	487	61	3
func() in internal/gitaly/storage/storagemgr/partition/transaction_manager.go	188	45	1
func process() in cmd/gitaly-lfs-smudge/smudge.go	144	45	5
func() in internal/gitaly/service/operations/commit_files.go	196	42	1
func Create() in internal/gitaly/repoutil/create.go	162	42	9
func() in internal/gitaly/service/remote/update_remote_mirror.go	152	39	1
func Resolve() in internal/git/conflict/resolve.go	135	35	6
func() in internal/gitaly/storage/storagemgr/partition/transaction_manager_housekeeping.go	108	35	1
func New() in internal/command/command.go	172	33	4
func() in internal/gitaly/storage/storagemgr/partition/transaction_manager.go	110	32	1
func NewReferenceBackendMigration() in internal/gitaly/storage/storagemgr/partition/migration/xxxx_ref_backend_migration.go	142	32	4
func() in internal/gitaly/config/config.go	77	31	1
func() in internal/gitaly/service/repository/fetch_remote.go	112	31	1
func() in internal/testhelper/testserver/gitaly.go	178	30	1
func Revlist() in internal/git/gitpipe/revision.go	139	29	4
func() in internal/gitaly/service/operations/revert.go	167	29	1
func() in internal/gitaly/service/operations/cherry_pick.go	168	29	1
func() in internal/gitaly/storage/wal/reference_recorder.go	104	29	1
func() in internal/git/catfile/parse_commit.go	103	28	1
func SetCustomHooks() in internal/gitaly/repoutil/custom_hooks.go	95	28	6
func() in internal/praefect/coordinator.go	150	28	1
func applyAction() in internal/gitaly/service/operations/commit_files.go	130	27	4
func() in internal/gitaly/storage/storagemgr/partition/transaction_manager_housekeeping.go	115	27	1
func setupRecoveryContext() in internal/cli/gitaly/subcmd_recovery.go	149	26	2
func() in internal/gitaly/service/conflicts/resolve_conflicts.go	125	26	1
func() in internal/gitaly/service/conflicts/list_conflict_files.go	123	26	1
func() in internal/gitaly/service/commit/list_commits.go	97	26	1
func() in internal/gitaly/service/commit/get_tree_entries.go	136	26	1
func CatfileObject() in internal/git/gitpipe/catfile_object.go	122	25	3
func() in internal/gitaly/service/blob/blobs.go	104	25	1
func() in internal/gitaly/storage/storagemgr/partition/transaction_manager.go	79	25	1
func() in internal/gitaly/service/operations/merge_branch.go	156	24	1
func Parse() in internal/git/conflict/parser.go	96	23	4
func datalossAction() in internal/cli/praefect/subcmd_dataloss.go	103	23	2
func() in internal/gitaly/hook/updateref/update_with_hooks.go	102	23	1
func() in internal/gitaly/service/operations/apply_patch.go	128	23	1
func beginTransactionForRepository() in internal/gitaly/storage/storagemgr/middleware.go	84	23	7
func() in internal/praefect/reconciler/reconciler.go	206	23	1
func() in internal/git/localrepo/commit.go	94	22	1
func PackfilesInfoForRepository() in internal/git/stats/repository_info.go	76	22	2
func() in internal/gitaly/service/ref/update_references.go	99	22	1
func getLogCommandSubCmd() in internal/gitaly/service/commit/find_commits.go	63	22	1
func() in internal/git/objectpool/fetch.go	83	21	1
func trackRepositoriesAction() in internal/cli/praefect/subcmd_track_repositories.go	100	21	2
func() in internal/gitaly/service/operations/submodules.go	106	21	1
func remove() in internal/gitaly/repoutil/remove.go	77	21	6
func() in internal/gitaly/storage/storagemgr/partition/transaction_manager.go	109	21	1
func() in internal/gitaly/storage/storagemgr/partition/snapshot/manager.go	99	21	1
func() in internal/git/trace2/parser.go	83	20	1
func PruneEmptyConfigSections() in internal/git/housekeeping/clean_stale_data.go	69	20	2