zypper from zypp:Code12_1-Branch project
Select Your Operating System
Add repository and install manually
For openSUSE 12.1 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/zypp:Code12_1-Branch/openSUSE_12.1/zypp:Code12_1-Branch.repo zypper refresh zypper install zypper