For standard run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:ohollmann:branches:Base:System/standard/home:ohollmann:branches:Base:System.repo
zypper refresh
zypper install sudo
For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:ohollmann:branches:Base:System/openSUSE_Tumbleweed/home:ohollmann:branches:Base:System.repo
zypper refresh
zypper install sudo
For openSUSE Factory run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:ohollmann:branches:Base:System/openSUSE_Factory/home:ohollmann:branches:Base:System.repo
zypper refresh
zypper install sudo
For 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:ohollmann:branches:Base:System/15.5/home:ohollmann:branches:Base:System.repo
zypper refresh
zypper install sudo
For 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:ohollmann:branches:Base:System/15.4/home:ohollmann:branches:Base:System.repo
zypper refresh
zypper install sudo