rubygem-http from openSUSE:Tools:GoCD project
Select Your Operating System
Add repository and install manually
For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/openSUSE:Tools:GoCD/openSUSE_Tumbleweed/openSUSE:Tools:GoCD.repo zypper refresh zypper install rubygem-http