For openSUSE Leap 42.3 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:cristyde/openSUSE_Leap_42.3/home:cristyde.repo
zypper refresh
zypper install bacula
For openSUSE Leap 42.2 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:cristyde/openSUSE_Leap_42.2/home:cristyde.repo
zypper refresh
zypper install bacula
For 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:cristyde/15.5/home:cristyde.repo
zypper refresh
zypper install bacula
For 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:cristyde/15.4/home:cristyde.repo
zypper refresh
zypper install bacula