📦 R2Sync

A CLI tool for backup and upload files from/to a Cloudflare R2 bucket with concurrency, streaming, and low memory usage.

🚀 Features

• Download or backup all files from an R2 bucket quickly with parallel processing
• Upload all files to an R2 bucket with cache-control headers
• Stream files to avoid excessive memory usage
• Controlled concurrency for optimal speed and stability

⚙️ Installation

If you want to use the r2sync command directly from your terminal in any project directory (which is typical for a CLI utility), use the global install flag:

1. Installation:

npm install -g r2sync

3. Run setup to configure:

r2sync setup

📂 Project Structure

.
├── src/
│   ├── cli.js             # CLI command handler
│   ├── setup.js           # Setup wizard
│   ├── config.js          # Config loader
│   ├── download-r2.js     # Script to download from R2
│   ├── upload-r2.js       # Script to upload to R2
├── package.json
└── README.md

🛠 Usage

General Usage [Examples]

r2sync download --local ./r2/to-backup-folder
r2sync upload --local ./r2/from-upload-folder

Commands:

• upload — Upload files from local to R2
• download — Download files from R2 to local

Examples:

r2sync upload
r2sync upload --local ./static/storage
r2sync upload --remote r2-folder --local ./my-local-folder
npx r2sync download
npx r2sync download --local ./static/storage
npx r2sync download --remote r2-folder --local ./my-local-folder

📂 Default Local Storage

If --local is not provided, defaults to:

r2-backup/BUCKET_NAME_YYYY-MM-DD

⚡ Performance

• Uses p-limit for controlled concurrency
• Streams files for low memory usage
• Configurable concurrency speed

📦 Dependencies

• @aws-sdk/client-s3
• fs-extra
• mime
• p-limit

📝 License

ISC License