Project files

.prj files

The describe the repository, which upstream distro they
are based upon, and what architectures to build

Install them with Admin credentails in your .oscrc with:

osc meta prj Ubuntu:20.04 --file Ubuntu:20.04.prj

.prjconf files

Describe the packages that get pre-installed for each
distro installs, and some suse-debian package name mappings.

Install them with Admin credentails in your .oscrc with:

osc meta prjconf Debian:sid --file Debian:sid.prjconf