Schau bitte einmal hier:
http://de.opensuse.org/Portal:Build_Service
http://en.opensuse.org/openSUSE:Build_Service_Tutorial
http://en.opensuse.org/openSUSE:Build_Service_cross_distribution_howto
http://de.opensuse.org/Kategorie:Build_Service
http://en.opensuse.org/Media:Obs-cheat-sheet.pdf