#!/bin/bash

DATE=`date +%Y-%m-%d`
FILENAME=msky_bkup_$DATE

cd /home/misskey/

mongodump --archive=/home/misskey/bkup/$FILENAME -u misskey -p YOUR_MISSKEY_DB_PASSWORD --authenticationDatabase YOUR_MISSKEY_DB
scp -P 22222 /home/misskey/bkup/$FILENAME user@example.com:~/bkup/$FILENAME

ls -tp /home/misskey/bkup/ | grep -v '/$' | tail -n +6 | xargs -I {} rm -- /home/misskey/bkup/{}
ssh -p 22222 user@example.com ls -tp /home/msky_bkup/bkup/ | grep -v '/$' | tail -n +31 | xargs -I {} rm -- /home/msky_bkup/bkup/{}