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Git Guardrails Claude Code

skill-wenwuzhidao-mattpocock-skills-zh-git-guardrails-claude-code · by WenWuZhiDao

设置 Claude Code 钩子,在危险的 git 命令(push、reset --hard、clean、branch -D 等)执行前将其拦截。当用户想阻止破坏性 git 操作、添加 git 安全钩子,或在 Claude Code 中拦截 git push/reset 时使用。

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Install

$ agentstack add skill-wenwuzhidao-mattpocock-skills-zh-git-guardrails-claude-code

✓ scanned · ✓ verified — works with Claude Code, Cursor, and more.

Security review

✓ Passed

No issues found. Passed automated security review. · v0.1.0 How review works →

  • Prompt-injection patterns
  • Secret / credential exfiltration
  • Dangerous shell & filesystem operations
  • Untrusted network calls
  • Known-malicious package signatures

What it can access

  • Network access No
  • Filesystem access No
  • Shell / process execution No
  • Environment & secrets No
  • Dynamic code execution No

From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.

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About

设置 Git 防护栏

设置一个 PreToolUse 钩子,在 Claude 执行危险的 git 命令之前将其拦截并阻止。

哪些命令会被阻止

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

被阻止时,Claude 会看到一条消息,告知它无权访问这些命令。

步骤

1. 询问适用范围

询问用户:只为当前项目安装(.claude/settings.json),还是为所有项目安装(~/.claude/settings.json)?

2. 复制钩子脚本

随附脚本位于:[scripts/block-dangerous-git.sh](scripts/block-dangerous-git.sh)

根据适用范围将其复制到目标位置:

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

chmod +x 赋予可执行权限。

3. 在设置中添加钩子

添加到相应的设置文件:

项目级.claude/settings.json):

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

全局级~/.claude/settings.json):

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

如果设置文件已存在,将该钩子合并进现有的 hooks.PreToolUse 数组——不要覆盖其他设置。

4. 询问是否自定义

询问用户是否想从阻止列表中添加或移除某些模式。相应地编辑复制后的脚本。

5. 验证

运行一个快速测试:

echo '{"tool_input":{"command":"git push origin main"}}' | 

应以退出码 2 退出,并向 stderr 打印一条 BLOCKED 消息。

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

Install and usage instructions live in the source repository linked above.

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Versions

  • v0.1.0 Imported from the upstream source.