go from home:bigironman:branches:openSUSE:Backports:SLE-12 project

Select Your Operating System

For standard run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:bigironman:branches:openSUSE:Backports:SLE-12/standard/home:bigironman:branches:openSUSE:Backports:SLE-12.repo
zypper refresh
zypper install go