sudo mkdir -p /var/lib/odoo && sudo chmod -R 777 /var/lib/odoo
sudo wget -O - https://nightly.odoo.com/odoo.key | sudo apt-key add -
sudo touch  /etc/apt/sources.list.d/odoo.list
sudo chmod 777  /etc/apt/sources.list.d/odoo.list
sudo echo "deb http://nightly.odoo.com/12.0/nightly/deb/ ./" >> /etc/apt/sources.list.d/odoo.list
sudo apt-get update && sudo apt-get install odoo -y