Version 1.2

🚀 BackupSync v1.2 – New Features & Enhancements

🔄 Incremental Backup Support
✅ New Feature: Backup only changed files instead of full backups
⚡ Efficiency: Significant savings in disk space and backup time
🤖 Automatic Management: Seamless transition between full and incremental backups

🔄 Restore Functionality
💻 Command Line Tool: Added ./backup_sync.sh restore command
🧠 Smart Restoration: Automatically applies all necessary backups when restoring from incremental backups
🎯 Flexible Targeting: Restore to the original location or a different target

⚙️ Enhanced Configuration
🆕 New Parameters:
🔘 ENABLE_INCREMENTAL: Toggle incremental backup feature on/off
📆 INCREMENTAL_MAX_FULL: Number of days between full backups

📢 Improved Notification System
📨 Detailed Information: Backup type (full/incremental) specified in email and Telegram notifications
📊 Statistics: Added information about the number of changed files in incremental backups

🧹 Smart Cleanup System
🔗 Dependency Management: Old backups are cleaned while preserving relationships between full and incremental backups
🚨 Orphaned Backup Detection: Automatically detects and removes incremental backups whose parent full backup has been deleted

🛠️ Technical Changes
🔖 Backup Markers:
📌 .full_backup – Marks full backups
📌 .incremental_backup – References the full backup that an incremental backup is associated with

🗂️ Incremental Backup Methods:
📦 Compressed Mode: Lists and backs up only changed files using tar
🔗 Uncompressed Mode: Creates efficient hard links using rsync's --link-dest feature

☁️ Cloud Storage Improvements: Proper uploading of incremental backup references to cloud services

📜 Enhanced Logging: Backup type and change statistics added to log files

🚀 This update optimizes disk space usage and significantly speeds up the backup process. The improved restore functionality makes it easier than ever to recover data from backups!