sbackup/releases/v2.0.0.md

What's New

Major Features

Multi-Destination Backup

• Parallel backup to local + multiple remote targets simultaneously
• Supports SFTP + WebDAV + S3 cloud storage in a single operation
• Independent failure handling per destination

S3 Cloud Storage

• AWS S3 compatible storage support (AWS, MinIO, Alibaba Cloud OSS, etc.)
• Upload/download/delete operations
• Auto-create bucket if not exists

Data Integrity

• SHA256 checksum generation and verification
• Reed-Solomon error correction codes (reedsolo)
• Tamper detection with HMAC validation

Task Queue System

• JSON-persistent task queue management
• Add, execute, cancel, delete tasks
• Async background execution with status tracking

Cross-Archive Search

• Search for files across multiple backup archives
• Pattern matching with wildcard support
• Results grouped by archive

Selective Restore

• Restore specific files matching patterns
• Keyword-based file extraction
• Dry-run preview before actual restore

Backup Rotation

• Keep-count policy: retain latest N backups
• Keep-days policy: retain backups within N days
• Keep-daily policy: retain N daily backups

Pre/Post Hooks

• Execute custom commands before/after backup
• Timeout control and error handling
• Cross-platform command parsing

Configuration Profile

• Save/load/delete named profiles
• Switch between different backup configurations
• Import/export profiles as JSON

Audit Logging

• Record all backup/restore operations
• Search by time range and event type
• JSON-persistent audit trail

Performance & Reliability

• Chunked Backup: 64KB block-level incremental backup
• File Deduplication: SHA256-based dedup to avoid redundant uploads
• Parallel Compression: Multi-threaded compression for large backups
• Bandwidth Limiter: Token bucket rate limiting for remote uploads
• Retry Mechanism: Exponential backoff for network operations
• Backup Lock: Cross-platform process lock to prevent concurrent runs

New Commands (27 added)

Command	Description
edit	Edit existing backup strategy
history	View backup version history
info	View backup file details
diff	Compare source directory with backup
verify	Verify backup file integrity
remote	Remote file management (list/rm)
export / import	Export/import backup strategies
status	Backup status dashboard
ignore	Generate .sbackupignore file
versions	View backup version history
schedule	Export cron/schtasks configuration
webhook	Configure webhook presets
config	Encrypt/decrypt/validate config
report	Generate HTML/JSON backup reports
search	Search files in backup
xsearch	Cross-archive search
clean	Clean old backups
completion	Generate shell completion scripts
wizard	Interactive configuration wizard
task	Task queue management
audit	Audit log queries
hooks	Manual hook execution
profile	Configuration profile management
rotate	Backup rotation cleanup
diskcheck	Disk space estimation
benchmark	Compression format benchmarking
integrity	Directory integrity verification

Remote Backup Enhancements

• SFTP: Auto-detect default SSH keys (~/.ssh/id_rsa, id_ed25519)
• SFTP: Host key verification with known_hosts
• SFTP: Allow password fallback on private key auth failure
• WebDAV: Zero-dependency urllib implementation
• WebDAV: SSRF protection (protocol/IP validation)
• WebDAV: Proper PROPFIND redirect handling
• S3: MinIO client with path prefix support

Security

• PBKDF2 encryption for sensitive config fields
• HMAC-SHA256 config tamper detection
• SSRF protection for WebDAV and webhook URLs
• Safe archive extraction (path traversal prevention)

Developer Experience

• 37 CLI commands
• 37 source modules
• 9 language translations (665 keys each)
• 940 tests, 0 failures
• CI/CD: pytest on 3 platforms x 2 Python versions
• Release automation with versioned binary names

Installation

pip install sbackup-cli

Binary downloads:

Platform	File
Windows x64	sbackup-2.0.0-windows-x64.exe
macOS ARM64	sbackup-2.0.0-macos-arm64
macOS x64	sbackup-2.0.0-macos-x86_64
Linux x64	sbackup-2.0.0-linux-x86_64