claude-code-checkpointing-hook

# Git Checkpoint Hook for [PROJECT_NAME]

```python
import os
import shutil
from datetime import datetime
def create_checkpoint():
    # Get current timestamp
    timestamp = datetime.now().strftime('%Y%m%d_%H%M%S')
    
    # Define source and destination paths
    source_dir = os.getcwd()
    destination_dir = os.path.join(os.getcwd(), 'checkpoints', f'checkpoint_{timestamp}')
    
    # Create checkpoint directory
    os.makedirs(destination_dir, exist_ok=True)
    
    # Copy all files to checkpoint directory
    for root, dirs, files in os.walk(source_dir):
        for file in files:
            if file.endswith('.py') or file.endswith('.js'):  # Add more extensions as needed
                source_file = os.path.join(root, file)
                relative_path = os.path.relpath(source_file, source_dir)
                destination_file = os.path.join(destination_dir, relative_path)
                os.makedirs(os.path.dirname(destination_file), exist_ok=True)
                shutil.copy2(source_file, destination_file)

    print(f'Checkpoint created at {destination_dir}')

# Call the function to create a checkpoint
create_checkpoint()
```

## How to Use This Hook
1. Save this script as `create_checkpoint.py` in your project root directory.
2. Add the following line to your `.git/hooks/pre-commit` file:
   ```bash
   python ../create_checkpoint.py
   ```
3. Make sure the `checkpoints` directory exists in your project root.
4. Now, every time you commit changes, a checkpoint will be automatically created.