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

> Source: <https://dev.to/coder_b/til-git-hooks-exist-after-a-decade-of-using-git-d1j>
> Published: 2026-07-10 13:29:08+00:00

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)