Installed GitButler to try it out — and realized it installs malicious Git hooks to take over the git commit workflow:

* pre-commit — The malicious one. It intercepted every `git commit` attempt and aborted it with that error message, forcing you to use `but commit` instead. Effectively a commit hijack — no way to commit to your own repo without their tool.

* post-checkout — Fired whenever you switched branches. GitButler used it to track your branch state and sync its virtual branch model. It cleaned this one up itself when we checked out.

* There's also typically a prepare-commit-msg hook that GitButler installs to inject its metadata into commit messages, though we didn't hit that one.

* The pre-commit hook is the aggressive one — it's a standard git hook location, so git runs it unconditionally before every commit. GitButler installs it silently as part of "setting up" a repo, with no opt-in. The only escape (without their CLI) is exactly what we did: delete it manually.