For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:dspinella/openSUSE_Tumbleweed/home:dspinella.repo
zypper refresh
zypper install rinstall
For openSUSE Factory ARM run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:dspinella/openSUSE_Factory_ARM/home:dspinella.repo
zypper refresh
zypper install rinstall
For 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:dspinella/15.5/home:dspinella.repo
zypper refresh
zypper install rinstall