rubygem-cairo from home:ykoba:ruby 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:ykoba:ruby/openSUSE_Tumbleweed/home:ykoba:ruby.repo zypper refresh zypper install rubygem-cairo
For 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:ykoba:ruby/15.4/home:ykoba:ruby.repo zypper refresh zypper install rubygem-cairo