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Peter Wood
260
plex/restore-plex.sh
Executable file
260
plex/restore-plex.sh
Executable file
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#!/bin/bash
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# Plex Backup Restoration Script
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# Usage: ./restore-plex.sh [backup_date] [--dry-run]
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set -e
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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NC='\033[0m'
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# Configuration
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SCRIPT_DIR="$(dirname "$(readlink -f "$0")")"
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BACKUP_ROOT="/mnt/share/media/backups/plex"
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PLEX_DATA_DIR="/var/lib/plexmediaserver/Library/Application Support/Plex Media Server"
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# Plex file locations
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declare -A RESTORE_LOCATIONS=(
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["com.plexapp.plugins.library.db"]="$PLEX_DATA_DIR/Plug-in Support/Databases/"
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["com.plexapp.plugins.library.blobs.db"]="$PLEX_DATA_DIR/Plug-in Support/Databases/"
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["Preferences.xml"]="$PLEX_DATA_DIR/"
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)
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log_message() {
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echo -e "$(date '+%H:%M:%S') $1"
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}
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log_error() {
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log_message "${RED}ERROR: $1${NC}"
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}
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log_success() {
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log_message "${GREEN}SUCCESS: $1${NC}"
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}
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log_warning() {
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log_message "${YELLOW}WARNING: $1${NC}"
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}
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# List available backups
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list_backups() {
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log_message "Available backups:"
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find "$BACKUP_ROOT" -maxdepth 1 -type f -name "plex-backup-*.tar.gz" | sort -r | while read backup_file; do
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local backup_name=$(basename "$backup_file")
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local backup_date=$(echo "$backup_name" | sed 's/plex-backup-\([0-9]\{8\}\)_[0-9]\{6\}\.tar\.gz/\1/')
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if [[ "$backup_date" =~ ^[0-9]{8}$ ]]; then
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local readable_date=$(date -d "${backup_date:0:4}-${backup_date:4:2}-${backup_date:6:2}" '+%B %d, %Y' 2>/dev/null || echo "Unknown date")
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local file_size=$(du -h "$backup_file" 2>/dev/null | cut -f1)
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echo " $backup_name ($readable_date) - $file_size"
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else
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echo " $backup_name - $(du -h "$backup_file" 2>/dev/null | cut -f1)"
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fi
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done
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}
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# Validate backup integrity
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validate_backup() {
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local backup_file="$1"
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if [ ! -f "$backup_file" ]; then
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log_error "Backup file not found: $backup_file"
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return 1
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fi
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log_message "Validating backup integrity for $(basename "$backup_file")..."
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# Test archive integrity
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if tar -tzf "$backup_file" >/dev/null 2>&1; then
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log_success "Archive integrity check passed"
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# List contents to verify expected files are present
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log_message "Archive contents:"
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tar -tzf "$backup_file" | while read file; do
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log_success " Found: $file"
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done
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return 0
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else
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log_error "Archive integrity check failed"
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return 1
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fi
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}
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# Create backup of current Plex data
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backup_current_data() {
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local backup_suffix=$(date '+%Y%m%d_%H%M%S')
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local current_backup_dir="$SCRIPT_DIR/plex_current_backup_$backup_suffix"
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log_message "Creating backup of current Plex data..."
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mkdir -p "$current_backup_dir"
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for file in "${!RESTORE_LOCATIONS[@]}"; do
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local src="${RESTORE_LOCATIONS[$file]}$file"
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if [ -f "$src" ]; then
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if sudo cp "$src" "$current_backup_dir/"; then
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log_success "Backed up current: $file"
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else
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log_error "Failed to backup current: $file"
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return 1
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fi
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fi
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done
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log_success "Current data backed up to: $current_backup_dir"
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echo "$current_backup_dir"
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}
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# Restore files from backup
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restore_files() {
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local backup_file="$1"
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local dry_run="$2"
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if [ ! -f "$backup_file" ]; then
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log_error "Backup file not found: $backup_file"
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return 1
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fi
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# Create temporary extraction directory
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local temp_dir="/tmp/plex-restore-$(date +%Y%m%d_%H%M%S)"
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mkdir -p "$temp_dir"
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log_message "Extracting backup archive..."
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if ! tar -xzf "$backup_file" -C "$temp_dir"; then
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log_error "Failed to extract backup archive"
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rm -rf "$temp_dir"
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return 1
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fi
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log_message "Restoring files..."
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local restore_errors=0
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for file in "${!RESTORE_LOCATIONS[@]}"; do
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local src_file="$temp_dir/$file"
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local dest_path="${RESTORE_LOCATIONS[$file]}"
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local dest_file="$dest_path$file"
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if [ -f "$src_file" ]; then
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if [ "$dry_run" == "true" ]; then
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log_message "Would restore: $file to $dest_file"
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else
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log_message "Restoring: $file"
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if sudo cp "$src_file" "$dest_file"; then
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sudo chown plex:plex "$dest_file"
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log_success "Restored: $file"
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else
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log_error "Failed to restore: $file"
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restore_errors=$((restore_errors + 1))
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fi
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fi
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else
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log_warning "File not found in backup: $file"
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restore_errors=$((restore_errors + 1))
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fi
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done
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# Clean up temporary directory
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rm -rf "$temp_dir"
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return $restore_errors
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}
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# Manage Plex service
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manage_plex_service() {
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local action="$1"
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log_message "$action Plex Media Server..."
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case "$action" in
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"stop")
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sudo systemctl stop plexmediaserver.service
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sleep 3
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log_success "Plex stopped"
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;;
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"start")
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sudo systemctl start plexmediaserver.service
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sleep 3
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log_success "Plex started"
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;;
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esac
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}
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# Main function
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main() {
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local backup_file="$1"
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local dry_run=false
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# Check for dry-run flag
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if [ "$2" = "--dry-run" ] || [ "$1" = "--dry-run" ]; then
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dry_run=true
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fi
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# If no backup file provided, list available backups
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if [ -z "$backup_file" ] || [ "$backup_file" = "--dry-run" ]; then
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list_backups
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echo
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echo "Usage: $0 <backup_file> [--dry-run]"
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echo "Example: $0 plex-backup-20250125_143022.tar.gz"
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echo " $0 /mnt/share/media/backups/plex/plex-backup-20250125_143022.tar.gz"
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exit 0
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fi
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# If relative path, prepend BACKUP_ROOT
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if [[ "$backup_file" != /* ]]; then
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backup_file="$BACKUP_ROOT/$backup_file"
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fi
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# Validate backup exists and is complete
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if ! validate_backup "$backup_file"; then
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log_error "Backup validation failed"
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exit 1
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fi
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if [ "$dry_run" = "true" ]; then
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restore_files "$backup_file" true
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log_message "Dry run completed. No changes were made."
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exit 0
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fi
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# Confirm restoration
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echo
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log_warning "This will restore Plex data from backup $(basename "$backup_file")"
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log_warning "Current Plex data will be backed up before restoration"
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read -p "Continue? (y/N): " -n 1 -r
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echo
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if [[ ! $REPLY =~ ^[Yy]$ ]]; then
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log_message "Restoration cancelled"
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exit 0
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fi
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# Stop Plex service
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manage_plex_service stop
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# Backup current data
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local current_backup=$(backup_current_data)
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if [ $? -ne 0 ]; then
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log_error "Failed to backup current data"
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manage_plex_service start
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exit 1
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fi
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# Restore files
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if restore_files "$backup_file" false; then
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log_success "Restoration completed successfully"
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log_message "Current data backup saved at: $current_backup"
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else
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log_error "Restoration failed"
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manage_plex_service start
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exit 1
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fi
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# Start Plex service
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manage_plex_service start
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log_success "Plex restoration completed. Please verify your server is working correctly."
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}
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# Trap to ensure Plex is restarted on script exit
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trap 'manage_plex_service start' EXIT
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main "$@"
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