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Git Gate

PreToolUse:BashgitEnabled by default

Blocks `git commit` and `git push` on main, redirecting Claude to the session worktree first.

Why use this

Even with the worktree gate on edits, a determined (or confused) Claude can still reach for `git commit` directly on main. Git Gate is the hard stop — it blocks the commit at the tool-call level before any damage is done.

Lifecycle

Where in the Claude Code session this hook fires.

SessionStart
→
PreToolUse
→
PostToolUse
→
Stop
→
Notification
Pre Tool Use

Fires before each tool call. Can block or modify the action.

Fires only when the tool matches: Bash

How it works

Intercepts any git commit or git push Bash command and blocks it when running outside a worktree. Provides an escape hatch: creating .claude/skip-worktree bypasses the gate for two hours for intentional main-branch operations such as docs or changelogs.

settings.json

What the hook configuration looks like in ~/.claude/settings.json after install.

~/.claude/settings.json
{
  "hooks": {
    "PreToolUse": [
      {
        "matcher": "Bash",
        "hooks": [
          {
            "type": "command",
            "command": "node ~/.claude/plugins/tonone-ai/tonone/tonone-git-gate.js"
          }
        ]
      }
    ]
  }
}

Install

This hook

Install Git Gate

1. Add to marketplace

$ claude plugin marketplace add tonone-ai/tonone

2. Install this hook

$ claude plugin install git-gate@tonone-ai

Ready to use Git Gate?

Get StartedBack to Hooks