sypper from openSUSE:infrastructure:MirrorCache project

For openSUSE Tumbleweed run the following as root:

zypper addrepo https://download.opensuse.org/repositories/openSUSE:infrastructure:MirrorCache/openSUSE_Tumbleweed/openSUSE:infrastructure:MirrorCache.repo
zypper refresh
zypper install sypper

For 15.6 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/openSUSE:infrastructure:MirrorCache/15.6/openSUSE:infrastructure:MirrorCache.repo
zypper refresh
zypper install sypper

For 15.5 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/openSUSE:infrastructure:MirrorCache/15.5/openSUSE:infrastructure:MirrorCache.repo
zypper refresh
zypper install sypper

For 15.4 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/openSUSE:infrastructure:MirrorCache/15.4/openSUSE:infrastructure:MirrorCache.repo
zypper refresh
zypper install sypper

For openSUSE Leap 15.3 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/openSUSE:infrastructure:MirrorCache/openSUSE_Leap_15.3/openSUSE:infrastructure:MirrorCache.repo
zypper refresh
zypper install sypper