uber / hermetic_cc_toolchain
File Change Frequency

File change frequency (churn) shows the distribution of file updates (days with at least one commit).

Overview
File Change Frequency Overall
  • There are 20 files with 2,150 lines of code.
    • 1 file changed more than 100 times (334 lines of code)
    • 0 files changed 51-100 times (0 lines of code)
    • 3 files changed 21-50 times (742 lines of code)
    • 6 files changed 6-20 times (667 lines of code)
    • 10 files changed 1-5 times (407 lines of code)
15% | 0% | 34% | 31% | 18%
Legend:
101+
51-100
21-50
6-20
1-5

explore: grouped by folders | grouped by update frequency | data
Contributors Count Frequency Overall
  • There are 20 files with 2,150 lines of code.
    • 0 files changed by more than 25 contributors (0 lines of code)
    • 3 files changed by 11-25 contributors (661 lines of code)
    • 6 files changed by 6-10 contributors (667 lines of code)
    • 6 files changed by 2-5 contributors (795 lines of code)
    • 5 files changed by 1 contributor (27 lines of code)
0% | 30% | 31% | 36% | 1%
Legend:
26+
11-25
6-10
2-5
1

explore: grouped by folders | grouped by contributors count | data
File Change Frequency per File Extension
bzl, go, c, gitignore, zig, json, yaml, cc, mod, gitattributes, txt, md
File Change Frequency per Extension
The number of recorded file updates
101+
51-100
21-50
6-20
1-5
bzl25% | 0% | 24% | 20% | 29%
go0% | 0% | 99% | 0% | <1%
zig0% | 0% | 0% | 98% | 1%
File Change Frequency per Logical Decomposition
primary
primary (file change frequency)
The number of recorded file updates
101+
51-100
21-50
6-20
1-5
toolchain20% | 0% | 20% | 37% | 21%
tools0% | 0% | 100% | 0% | 0%
rules0% | 0% | 0% | 53% | 46%
ROOT0% | 0% | 0% | 0% | 100%
Most Frequently Changed Files (Top 20)

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsfirst
contributor		latest
contributor
defs.bzl
in toolchain
 334 - 2021-06-08 2026-03-14 122 18 motiejus@jakstys.lt zplin@uber.com
defs.bzl
in toolchain/private
 265 - 2022-04-06 2025-12-02 36 15 laurynasl@uber.com eerokelly@gmail.com
cc_toolchains.bzl
in toolchain/private
 62 - 2022-04-07 2026-01-06 24 13 motiejus@uber.com alextercete@gmail.com
main.go
in tools/releaser
 415 10 2023-03-10 2026-03-14 21 4 motiejus@uber.com zplin@uber.com
zig_toolchain.bzl
in toolchain
 24 - 2021-06-08 2025-02-26 19 7 motiejus@jakstys.lt sebastian.birunt@arm.com
platform.bzl
in rules
 60 - 2022-04-13 2025-02-26 18 6 laurynasl@uber.com sebastian.birunt@arm.com
defs.bzl
in toolchain/platform
 42 - 2022-04-06 2025-12-02 11 7 laurynasl@uber.com eerokelly@gmail.com
defs.bzl
in toolchain/toolchain
 64 - 2022-04-06 2026-01-26 10 7 laurynasl@uber.com dunleavyd14@gmail.com
ext.bzl
in toolchain
 79 - 2023-06-25 2026-01-26 8 7 donald@stufft.io dunleavyd14@gmail.com
zig
zig-wrapper.zig
in toolchain
 398 - 2023-05-15 2025-12-02 6 6 motiejus@uber.com eerokelly@gmail.com
defs.bzl
in toolchain/libc
 9 - 2022-04-13 2023-04-21 5 2 laurynasl@uber.com motiejus@uber.com
zig_sdk.bzl
in toolchain/private
 14 - 2024-02-12 2024-05-08 5 3 motiejusja@wix.com zplin@uber.com
repositories.bzl
in toolchain/private
 103 - 2025-02-26 2026-01-26 5 5 sebastian.birunt@arm.com dunleavyd14@gmail.com
44 - 2023-05-30 2025-02-26 3 2 motiejus@uber.com sebastian.birunt@arm.com
210 - 2025-02-26 2026-04-02 3 3 sebastian.birunt@arm.com zplin@uber.com
zig
cp.zig
in rules
 8 - 2023-05-24 2023-05-30 2 1 motiejus@uber.com motiejus@uber.com
utils.bzl
in toolchain
 2 - 2025-10-04 2025-10-04 1 1 eerokelly@gmail.com eerokelly@gmail.com
tools.go
in root
 4 - 2023-02-20 2023-02-20 1 1 zplin@uber.com zplin@uber.com
zig_toolchain_info.bzl
in toolchain/private
 4 - 2025-02-26 2025-02-26 1 1 sebastian.birunt@arm.com sebastian.birunt@arm.com
zig_toolchain.bzl
in toolchain/private
 9 - 2025-02-26 2025-02-26 1 1 sebastian.birunt@arm.com sebastian.birunt@arm.com
Files With Most Contributors (Top 20)
Based on the number of unique email addresses found in commits.

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsfirst
contributor		latest
contributor
defs.bzl
in toolchain
 334 - 2021-06-08 2026-03-14 122 18 motiejus@jakstys.lt zplin@uber.com
defs.bzl
in toolchain/private
 265 - 2022-04-06 2025-12-02 36 15 laurynasl@uber.com eerokelly@gmail.com
cc_toolchains.bzl
in toolchain/private
 62 - 2022-04-07 2026-01-06 24 13 motiejus@uber.com alextercete@gmail.com
zig_toolchain.bzl
in toolchain
 24 - 2021-06-08 2025-02-26 19 7 motiejus@jakstys.lt sebastian.birunt@arm.com
defs.bzl
in toolchain/platform
 42 - 2022-04-06 2025-12-02 11 7 laurynasl@uber.com eerokelly@gmail.com
defs.bzl
in toolchain/toolchain
 64 - 2022-04-06 2026-01-26 10 7 laurynasl@uber.com dunleavyd14@gmail.com
ext.bzl
in toolchain
 79 - 2023-06-25 2026-01-26 8 7 donald@stufft.io dunleavyd14@gmail.com
platform.bzl
in rules
 60 - 2022-04-13 2025-02-26 18 6 laurynasl@uber.com sebastian.birunt@arm.com
zig
zig-wrapper.zig
in toolchain
 398 - 2023-05-15 2025-12-02 6 6 motiejus@uber.com eerokelly@gmail.com
repositories.bzl
in toolchain/private
 103 - 2025-02-26 2026-01-26 5 5 sebastian.birunt@arm.com dunleavyd14@gmail.com
main.go
in tools/releaser
 415 10 2023-03-10 2026-03-14 21 4 motiejus@uber.com zplin@uber.com
zig_sdk.bzl
in toolchain/private
 14 - 2024-02-12 2024-05-08 5 3 motiejusja@wix.com zplin@uber.com
210 - 2025-02-26 2026-04-02 3 3 sebastian.birunt@arm.com zplin@uber.com
defs.bzl
in toolchain/libc
 9 - 2022-04-13 2023-04-21 5 2 laurynasl@uber.com motiejus@uber.com
44 - 2023-05-30 2025-02-26 3 2 motiejus@uber.com sebastian.birunt@arm.com
zig
cp.zig
in rules
 8 - 2023-05-24 2023-05-30 2 1 motiejus@uber.com motiejus@uber.com
utils.bzl
in toolchain
 2 - 2025-10-04 2025-10-04 1 1 eerokelly@gmail.com eerokelly@gmail.com
zig_toolchain_info.bzl
in toolchain/private
 4 - 2025-02-26 2025-02-26 1 1 sebastian.birunt@arm.com sebastian.birunt@arm.com
zig_toolchain.bzl
in toolchain/private
 9 - 2025-02-26 2025-02-26 1 1 sebastian.birunt@arm.com sebastian.birunt@arm.com
tools.go
in root
 4 - 2023-02-20 2023-02-20 1 1 zplin@uber.com zplin@uber.com
Files With Least Contributors (Top 20)
Based on the number of unique email addresses found in commits.

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsfirst
contributor		latest
contributor
zig_toolchain.bzl
in toolchain/private
 9 - 2025-02-26 2025-02-26 1 1 sebastian.birunt@arm.com sebastian.birunt@arm.com
zig
cp.zig
in rules
 8 - 2023-05-24 2023-05-30 2 1 motiejus@uber.com motiejus@uber.com
zig_toolchain_info.bzl
in toolchain/private
 4 - 2025-02-26 2025-02-26 1 1 sebastian.birunt@arm.com sebastian.birunt@arm.com
tools.go
in root
 4 - 2023-02-20 2023-02-20 1 1 zplin@uber.com zplin@uber.com
utils.bzl
in toolchain
 2 - 2025-10-04 2025-10-04 1 1 eerokelly@gmail.com eerokelly@gmail.com
44 - 2023-05-30 2025-02-26 3 2 motiejus@uber.com sebastian.birunt@arm.com
defs.bzl
in toolchain/libc
 9 - 2022-04-13 2023-04-21 5 2 laurynasl@uber.com motiejus@uber.com
210 - 2025-02-26 2026-04-02 3 3 sebastian.birunt@arm.com zplin@uber.com
zig_sdk.bzl
in toolchain/private
 14 - 2024-02-12 2024-05-08 5 3 motiejusja@wix.com zplin@uber.com
main.go
in tools/releaser
 415 10 2023-03-10 2026-03-14 21 4 motiejus@uber.com zplin@uber.com
repositories.bzl
in toolchain/private
 103 - 2025-02-26 2026-01-26 5 5 sebastian.birunt@arm.com dunleavyd14@gmail.com
zig
zig-wrapper.zig
in toolchain
 398 - 2023-05-15 2025-12-02 6 6 motiejus@uber.com eerokelly@gmail.com
platform.bzl
in rules
 60 - 2022-04-13 2025-02-26 18 6 laurynasl@uber.com sebastian.birunt@arm.com
ext.bzl
in toolchain
 79 - 2023-06-25 2026-01-26 8 7 donald@stufft.io dunleavyd14@gmail.com
defs.bzl
in toolchain/toolchain
 64 - 2022-04-06 2026-01-26 10 7 laurynasl@uber.com dunleavyd14@gmail.com
defs.bzl
in toolchain/platform
 42 - 2022-04-06 2025-12-02 11 7 laurynasl@uber.com eerokelly@gmail.com
zig_toolchain.bzl
in toolchain
 24 - 2021-06-08 2025-02-26 19 7 motiejus@jakstys.lt sebastian.birunt@arm.com
cc_toolchains.bzl
in toolchain/private
 62 - 2022-04-07 2026-01-06 24 13 motiejus@uber.com alextercete@gmail.com
defs.bzl
in toolchain/private
 265 - 2022-04-06 2025-12-02 36 15 laurynasl@uber.com eerokelly@gmail.com
defs.bzl
in toolchain
 334 - 2021-06-08 2026-03-14 122 18 motiejus@jakstys.lt zplin@uber.com