terraria server world backup and restart

#!/bin/bash

# Terraria server shutdown and restart (optional, customize these variables)
TMODLOADER_SESSION="tmodloader"
SERVER_START_SCRIPT="/home/terraria/DedicatedServerUtils/manage-tModLoaderServer.sh start"

# Configuration (Customize these variables for backup)
WORLD_DIR="/home/terraria/DedicatedServerUtils/Worlds"
RCLONE_REMOTE="tmodworldbakup"
BACKUP_DIR="serverbak/tmodworldbackup"
LOG_FILE="/home/terraria/rclone_tmod_backup.log"

# Create timestamped archive directory for deleted files
ARCHIVE_DIR="$RCLONE_REMOTE:serverbak/old_backups/$(date +%Y%m%d_%H%M%S)"

# Check if the world directory exists
if [ ! -d "$WORLD_DIR" ]; then
  echo "Error: World directory '$WORLD_DIR' not found."
  exit 1
fi

# Stop the Terraria server (optional)
if [ ! -z "$TMODLOADER_SESSION" ] && [ ! -z "$SERVER_START_SCRIPT" ]; then
  echo "Stopping Terraria server..."
  screen -X -S "$TMODLOADER_SESSION" stuff "exit\n"
  sleep 120

  # Check if the session is still running (optional)
  screen -list | grep -q "$TMODLOADER_SESSION"
  if [[ $? -eq 0 ]]; then
    echo "  Server shutdown timed out, forcefully terminating..."
    screen -X -S "$TMODLOADER_SESSION" kill
  fi

  sleep 20
fi

# Perform the rclone sync
echo "Backing up Terraria worlds..."
rclone sync "$WORLD_DIR" "$RCLONE_REMOTE:$BACKUP_DIR" \
  --progress \
  --transfers 32 \
  --checkers 16 \
  --exclude "*.bak" \
  --log-file "$LOG_FILE" \
  --backup-dir "$ARCHIVE_DIR"

# Check the exit code of rclone
if [ $? -eq 0 ]; then
  echo "Terraria world backup completed successfully. Log: $LOG_FILE"
  if [ ! -z "$SERVER_START_SCRIPT" ]; then
    echo "Restarting Terraria server..."
    screen -dmS "$TMODLOADER_SESSION" "$SERVER_START_SCRIPT"
  fi
else
  echo "Error: Terraria world backup failed. Check the log: $LOG_FILE"
  exit 1
fi

exit 0