Para openSUSE Leap 15.6 corra o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:smarty12:libraries/openSUSE_Leap_15.6/home:smarty12:libraries.repo
zypper refresh
zypper install obs-service-tar_scm
Para openSUSE Leap 15.5 corra o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:smarty12:libraries/openSUSE_Leap_15.5/home:smarty12:libraries.repo
zypper refresh
zypper install obs-service-tar_scm
Para openSUSE Leap 15.4 corra o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:smarty12:libraries/openSUSE_Leap_15.4/home:smarty12:libraries.repo
zypper refresh
zypper install obs-service-tar_scm
Para openSUSE Leap 15.3 corra o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:smarty12:libraries/openSUSE_Leap_15.3/home:smarty12:libraries.repo
zypper refresh
zypper install obs-service-tar_scm