source: scripts/usr/local/bin/7dtd-backup.sh@ 2

#!/bin/bash
. /etc/7dtd.conf

DT=`date "+%Y-%m-%d_%H-%M"`
NewBackup=$SDTD_BACKUP_ROOT/$DT

# Check for backup folder existence
if [ -e $SDTD_BACKUP_ROOT ]; then
        # Exists, copy(link) latest backup
        unset -v LatestBackup
        for file in "$SDTD_BACKUP_ROOT"/*; do
                [[ $file -nt $LatestBackup ]] && LatestBackup=$file
        done
        $CP -al $LatestBackup $NewBackup
else
        # Create new backup dir
        mkdir $SDTD_BACKUP_ROOT
fi

$RSYNC -a --delete --numeric-ids --delete-excluded $SDTD_ROOT/Data/Worlds/./ $NewBackup
touch $NewBackup

#echo "Backup folder disk usage: `$DU -sh $SDTD_BACKUP_ROOT`"