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Add bus-factor analyzer script #5

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iswa wants to merge 1 commits from bus-factor/analyzer into master
pull from: bus-factor/analyzer
merge into: iswa:master
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iswa commented 2026-03-20 08:26:28 -07:00
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Implements scripts/bus-factor.mjs — a standalone Node.js CLI that shells
out to git log --numstat to collect per-file, per-author commit stats,
then computes bus-factor scores (number of contributors with >10%
ownership) for every source file in server/src/, client/src/, and
db/migrations/.

High-risk files (bus-factor=1) are surfaced prominently in the default
report. A --json flag emits machine-readable output for CI. Pure
analysis functions (parseGitLog, computeOwnership, scoreFiles, repoStats)
are unit-tested with Vitest (19 tests, all passing).

No new runtime dependencies — only Node.js built-ins and git are required.
Run via: node scripts/bus-factor.mjs [--json] [--min-commits N] [--top N]

Nightshift-Task: bus-factor
Nightshift-Ref: https://github.com/marcus/nightshift

Implements scripts/bus-factor.mjs — a standalone Node.js CLI that shells out to git log --numstat to collect per-file, per-author commit stats, then computes bus-factor scores (number of contributors with >10% ownership) for every source file in server/src/, client/src/, and db/migrations/. High-risk files (bus-factor=1) are surfaced prominently in the default report. A --json flag emits machine-readable output for CI. Pure analysis functions (parseGitLog, computeOwnership, scoreFiles, repoStats) are unit-tested with Vitest (19 tests, all passing). No new runtime dependencies — only Node.js built-ins and git are required. Run via: node scripts/bus-factor.mjs [--json] [--min-commits N] [--top N] Nightshift-Task: bus-factor Nightshift-Ref: https://github.com/marcus/nightshift
iswa added 1 commit 2026-03-20 08:26:28 -07:00
Add bus-factor analyzer script 066d50fa89 
Implements scripts/bus-factor.mjs — a standalone Node.js CLI that shells
out to git log --numstat to collect per-file, per-author commit stats,
then computes bus-factor scores (number of contributors with >10%
ownership) for every source file in server/src/, client/src/, and
db/migrations/.

High-risk files (bus-factor=1) are surfaced prominently in the default
report. A --json flag emits machine-readable output for CI. Pure
analysis functions (parseGitLog, computeOwnership, scoreFiles, repoStats)
are unit-tested with Vitest (19 tests, all passing).

No new runtime dependencies — only Node.js built-ins and git are required.
Run via: node scripts/bus-factor.mjs [--json] [--min-commits N] [--top N]

Nightshift-Task: bus-factor
Nightshift-Ref: https://github.com/marcus/nightshift
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From your project repository, check out a new branch and test the changes.
git fetch -u origin bus-factor/analyzer:bus-factor/analyzer
git checkout bus-factor/analyzer
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Reference: iswa/budget-app#5
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