Para openSUSE Tumbleweed execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/shells/openSUSE_Tumbleweed/shells.repo
zypper refresh
zypper install bash-completion
Para openSUSE Factory execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/shells/openSUSE_Factory/shells.repo
zypper refresh
zypper install bash-completion
Para 16.0 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/shells/16.0/shells.repo
zypper refresh
zypper install bash-completion
Para 15.6 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/shells/15.6/shells.repo
zypper refresh
zypper install bash-completion