#!/bin/ash

# Create backup files.
TMP_TARGET=/mnt/backups/backup-$(hostname)-$(date +'%Y-%m-%d-%H-%M-%S').tar
echo $TMP_TARGET

#
# Kopano
#
echo "Kopano"
cd /tmp
tar -cvf $TMP_TARGET.1 \
    kopano/var/lib/kopano/attachments

#
# Gitea
#
echo "Gitea"
cd /tmp
tar -cvf $TMP_TARGET.2 \
    gitea/data

#
# MySQL
#
echo "MySQL"
cd /tmp
tar -cvf $TMP_TARGET.3 \
    mysql/var/lib/mysql

#
# merge tarball.
#
echo "Merge"
head -c -$((512*2)) $TMP_TARGET.1 > $TMP_TARGET
head -c -$((512*2)) $TMP_TARGET.2 >> $TMP_TARGET
head -c -$((512*2)) $TMP_TARGET.3 >> $TMP_TARGET
rm $TMP_TARGET.1 $TMP_TARGET.2 $TMP_TARGET.3

echo "Archive"
gzip $TMP_TARGET

# Finish.
echo "Backed up."