rubygem-asciidoctor from home:nomispaz project
Select Your Operating System
Add repository and install manually
For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:nomispaz/openSUSE_Tumbleweed/home:nomispaz.repo zypper refresh zypper install rubygem-asciidoctor