Delete Old Snapshot Backups in Enhance v12 ext4

delete_old_backups

# Dry-run version
DAYS=2
SECONDS_OLD=$((DAYS * 86400))

for site in /backups/*; do
    [ -d "$site" ] || continue
    current_snapshot=$(readlink "$site/current")
    echo "Checking site: ${site##*/}"
    find "$site" -maxdepth 1 -type d -name "snapshot-*" | while read -r snapshot; do
        if [ "$snapshot" = "$current_snapshot" ]; then
            echo "  Skipping current snapshot: $snapshot"
            continue
        fi
        timestamp=${snapshot##*-}
        timestamp=$((timestamp / 1000))
        snapshot_date=$(date -d @$timestamp '+%Y-%m-%d %H:%M:%S')
        if (( $(date +%s) - timestamp > SECONDS_OLD )); then
            echo "  [DRY-RUN] Would delete: $snapshot ($snapshot_date)"
        fi
    done
done

#################################################
###############  Use with Caution  ##############
#################################################

# Delete version
DAYS=2
SECONDS_OLD=$((DAYS * 86400))

for site in /backups/*; do
    [ -d "$site" ] || continue
    current_snapshot=$(readlink "$site/current")
    echo "Checking site: ${site##*/}"
    find "$site" -maxdepth 1 -type d -name "snapshot-*" | while read -r snapshot; do
        if [ "$snapshot" = "$current_snapshot" ]; then
            echo "  Skipping current snapshot: $snapshot"
            continue
        fi
        timestamp=${snapshot##*-}
        timestamp=$((timestamp / 1000))
        snapshot_date=$(date -d @$timestamp '+%Y-%m-%d %H:%M:%S')
        if (( $(date +%s) - timestamp > SECONDS_OLD )); then
            echo "  Deleting: $snapshot ($snapshot_date)"
            rm -rf "$snapshot"
        fi
    done
done