TIL Git Hooks Exist (After a Decade of Using Git)

A developer built a tool called Diff Sniffer that flags commits which are AI-authored, touch risky paths, and lack human review. The project taught the developer about Git hooks after a decade of daily Git use. The tool is available on GitHub.

Wrote a small tool called Diff Sniffer — flags any commit that's AI-authored, touches a path you've marked risky, and never got a human review. All three conditions or it says nothing. No AI in the tool itself, just trailers and path globs. The part worth sharing here isn't the tool, though — it's that building the local-hook mode is what taught me git hooks exist at all. Post-commit, pre-push, whatever — you drop a script in .git/hooks/ and git just runs it. No config, no plugin API. A decade of daily git use and I'd never looked. If anyone's further down this road than I am — better hook patterns, gotchas with pre-push vs post-commit for something like this — I'd take the pointers. Full story + the actual tool: Coder B Dev Blog - I've use git ... https://coderbdev.com/blog/i-ve-used-git-for-a-decade-and-never-knew-hooks-were-a-thing / github.com/Coderb-dev/diffsniffer https://github.com/Coderb-dev/diffsniffer