Aus den openSUSE news:
Installation of openSUSE-repos for your distribution
openSUSE-repos backs up and disables all default system repositories as long as they have original filenames. User-defined repositories will remain untouched.
Install the correct package for your distribution and you should be all set.
sudo zypper in openSUSE-repos-Leap
sudo zypper in openSUSE-repos-Tumbleweed
sudo zypper in openSUSE-repos-MicroOS
sudo zypper in openSUSE-repos-LeapMicro
About Repository Index Service
zypp supports RIS services which translate a (remote) repoindex.xml into (local) repository definitions. These definitions are identified by a prefix, in this particular case openSUSE: .
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