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crux-finder

v0.1.2

Published

Finds the exact commit behind a behavior change. Faster than reading git log, smarter than git bisect.

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Readme

crux-finder

Finds the commit that changed a program's behavior and shows the lines in that commit that caused the change.

Install

npm i -g crux-finder

Or run without installing:

npx crux-finder who -c "cargo test --quiet" -f HEAD~20..HEAD

The package ships a small launcher. On first run it downloads the platform binary from GitHub Releases into ~/.crux/bin and reuses it afterward. This works even where install scripts are blocked (pnpm, bun defaults).

The binary is also available through cargo, Homebrew, winget, and Scoop — see the main README.

Usage

crux who -c <command> -f <range>
  • -c any command; exit 0 means the behavior holds, anything else means it changed
  • -f the commit range to search, for example HEAD~20..HEAD

Full documentation: https://crux.rweb.site/docs

License

MIT