xxih/ai-harness-zh/git-guardrails-claude-code

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设置 Claude Code hook 在执行前拦截危险 git 命令(push, reset --hard, clean, branch -D 等)。当用户想阻止破坏性 git 操作、加 git 安全 hook,或在 Claude Code 里拦 git push/reset 时使用。

Install

npx vskill@latest install xxih/ai-harness-zh/git-guardrails-claude-code

SKILL.md

Setup Git Guardrails

配置一个 PreToolUse hook,在 Claude 执行前拦截危险 git 命令。

拦截什么

  • git push(所有变体,包括 --force)
  • git reset --hard
  • git clean -f / git clean -fd
  • git branch -D
  • git checkout . / git restore .

被拦截时,Claude 会看到一条说"你没有权限执行这些命令"的消息。

步骤

1. 问范围

问用户:只装本项目(.claude/settings.json)还是所有项目(~/.claude/settings.json)?

2. 复制 hook 脚本

打包脚本在:scripts/block-dangerous-git.sh

按范围复制:

  • 项目:.claude/hooks/block-dangerous-git.sh
  • 全局:~/.claude/hooks/block-dangerous-git.sh

用 chmod +x 设可执行。

3. 把 hook 加到 settings

加到对应 settings 文件:

项目(.claude/settings.json):

json
{
  "hooks": {
    "PreToolUse": [
      {
        "matcher": "Bash",
        "hooks": [
          {
            "type": "command",
            "command": "\"$CLAUDE_PROJECT_DIR\"/.claude/hooks/block-dangerous-git.sh"
          }
        ]
      }
    ]
  }
}

全局(~/.claude/settings.json):

json
{
  "hooks": {
    "PreToolUse": [
      {
        "matcher": "Bash",
        "hooks": [
          {
            "type": "command",
            "command": "~/.claude/hooks/block-dangerous-git.sh"
          }
        ]
      }
    ]
  }
}

如果 settings 已存在,把 hook 合并到 `hooks.PreToolUse` 数组——别覆盖其它配置。

4. 问要不要定制

问用户要不要从拦截列表里加/去哪些模式。改复制后的脚本。

5. 验证

快速测试:

bash
echo '{"tool_input":{"command":"git push origin main"}}' | <path-to-script>

应该以 exit code 2 退出,并在 stderr 打印 BLOCKED 信息。

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Source

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