Debian 10 Buster 64bits

Installation instructions

Logs Download 
wget -qO- https://dl.packager.io/srv/go-gitea/gitea/key | sudo apt-key add -
sudo wget -O /etc/apt/sources.list.d/gitea.list \
  https://dl.packager.io/srv/go-gitea/gitea/lunny/display_deleted_branch2/installer/debian/10.repo
sudo apt-get update
sudo apt-get install gitea

Note: You might need to apt-get install wget apt-transport-https for the above instructions to work.