mkosi from home:vlefebvre:mkosi:initrd 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:vlefebvre:mkosi:initrd/openSUSE_Tumbleweed/home:vlefebvre:mkosi:initrd.repo zypper refresh zypper install mkosi