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Secret Scanner for Git Repositories

Find API keys, tokens, passwords and sensitive data hiding in your git history — before someone else does.

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🤔 Why git-regret?

You committed an API key six months ago. You deleted it in the next commit. You think you're safe.

You're not.

Anyone who clones your repo can see that key in the git history. git-regret scans every commit, every file, every line — and tells you exactly what needs to go.

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✨ Features

• 🔍 132 built-in patterns — AWS, OpenAI, Stripe, GitHub, Discord, Telegram, database URLs, private keys, and more
• 🕰️ Full history scan — not just current files, every commit ever made
• 🔗 Scan any GitHub URL — paste a repo URL and it clones, scans, and cleans up automatically
• 🧠 Entropy analysis — catches high-entropy strings that look like secrets even without a known pattern
• 🧹 Auto clean — removes secrets from git history using git-filter-repo
• 🔒 Pre-commit hook — never accidentally commit a secret again
• 🖥️ Interactive TUI — beautiful menu-driven interface, no flags to memorize
• 📄 JSON reports — pipe results into your CI/CD pipeline

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🚀 Quick Start

Windows (Double-click)

1. Download and extract the zip
2. Double-click start.bat
3. Done — it installs everything and opens the interactive menu

Manual Install

git clone https://github.com/allemz/git-regret
cd git-regret
pip install -e .

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🖥️ Usage

Interactive Menu (Recommended)

git-regret-ui

Navigate with arrow keys, select with Enter. No flags to memorize.

Command Line

# Scan current directory
git-regret scan

# Scan including full git history
git-regret scan --history

# Scan a specific path
git-regret scan --path /path/to/repo

# Export results as JSON
git-regret scan --history --output report.json

# Use in CI (exits with code 1 if findings exist)
git-regret scan --history --fail-on-findings

# Clean secrets from git history
git-regret clean

# Install pre-commit hook
git-regret protect install

# List all patterns
git-regret patterns
git-regret patterns --tag aws

Scan a GitHub Repository

No need to clone manually — just paste the URL in the TUI or use:

# In the interactive menu:
# > Scan a Repository > GitHub / Git URL > https://github.com/user/repo

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🎯 What It Detects

Category	Examples
☁️ Cloud	AWS Access Keys, GCP Service Accounts, Azure Connection Strings
🤖 AI Services	OpenAI, Anthropic, HuggingFace, Replicate
💳 Payments	Stripe, PayPal, Braintree, Square, Iyzico, PayTR
💬 Social	Discord, Slack, Telegram, Twitter, Facebook
🗄️ Databases	MongoDB, PostgreSQL, MySQL, Redis, Supabase, Neon
🔐 Crypto	RSA/EC/SSH private keys, PGP blocks
📧 Comms	SendGrid, Mailgun, Mailchimp, Twilio
🕵️ PII	Turkish TC No, IBAN, Credit Cards, SSN
🔑 Generic	Hardcoded passwords, tokens, API keys
🧠 Entropy	Any high-entropy string that looks like a secret

132 patterns total. See full list →

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📊 Example Output

╭───────────────────────────────╮
│ 🔍 git-regret Secret Scanner  │
╰───────────────────────────────╯
Repo: /home/user/my-project
Git history: 47 commits scanned
Files: 312 files scanned

⚠️  3 issue(s) found!!

╭──────────┬──────────────────────┬──────────────┬───────┬─────────╮
│ Severity │ Type                 │ File         │ Line  │ Commit  │
├──────────┼──────────────────────┼──────────────┼───────┼─────────┤
│ CRITICAL │ AWS Access Key ID    │ config.py    │ 12    │ a3f9d12 │
│ CRITICAL │ OpenAI API Key       │ .env         │ 3     │ working │
│ HIGH     │ Stripe Webhook Secret│ webhook.py   │ 8     │ b7c2e45 │
╰──────────┴──────────────────────┴──────────────┴───────┴─────────╯

critical: 2  high: 1

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🔒 Pre-commit Hook

Install once, protected forever:

git-regret protect install

Every commit will be automatically scanned. If a secret is detected, the commit is blocked:

🔍 git-regret: Scanning staged files...
❌ git-regret: A secret has been detected! Commit canceled.
   Fix the issue and try again.

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🧹 Cleaning History

git-regret clean

This uses git-filter-repo to permanently rewrite history and remove the sensitive files. This rewrites git history — coordinate with your team before running on shared repos.

⚠️ After cleaning, force-push and have all collaborators re-clone.

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🏗️ Project Structure

git_regret/
├── cli.py              # Click commands
├── tui.py              # Interactive menu (questionary + rich)
├── core/
│   ├── scanner.py      # Scan engine
│   ├── cleaner.py      # git-filter-repo wrapper
│   └── hooks.py        # Pre-commit hook manager
├── models/
│   ├── pattern.py      # Pattern + Severity enum
│   ├── finding.py      # Finding dataclass
│   └── report.py       # Report aggregator
├── patterns/
│   ├── definitions.py  # All 132 pattern definitions
│   └── registry.py     # Pattern registry (singleton)
├── output/
│   ├── formatter.py    # Rich terminal output
│   └── reporter.py     # JSON reporter
└── utils/
    ├── entropy.py      # Shannon entropy analysis
    └── git.py          # GitRepo helper

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🤝 Contributing

New pattern ideas, bug fixes, and improvements are welcome.

To add a pattern, open git_regret/patterns/definitions.py and add a new entry to RAW_PATTERNS:

{
    "id": "my_service_api_key",
    "regex": r"myservice_[0-9a-zA-Z]{32}",
    "description": "MyService API Key",
    "severity": "critical",
    "tags": ["myservice"],
},

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📄 License

GNU GPL v3.0 - Use it, modify it, and improve it, but always keep it open source.

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_{Everyone has committed a secret at least once.}