unzip gitea-dump-1610949662.zip
cd gitea-dump-1610949662
mv app.ini /etc/gitea/conf/app.ini
mv data/* /var/lib/gitea/data/
mv log/* /var/lib/gitea/log/
mv repos/* /var/lib/gitea/gitea-repositories/
chown -R gitea:gitea /etc/gitea/conf/app.ini /var/lib/gitea

# mysql
mysql --default-character-set=utf8mb4 -u$USER -p$PASS $DATABASE <gitea-db.sql
# sqlite3
sqlite3 $DATABASE_PATH <gitea-db.sql
# postgres
psql -U $USER -d $DATABASE < gitea-db.sql

service gitea restart