Can you help me to understand it?
from
https://fedoraproject.org/wiki/Using_the_Koji_build_system
"Sometimes you want to make sure than one build succeeded before
launching the next one, for example when you want to rebuild
a package against a just rebuilt dependency. In that case
you can use a chain build with"
This is exactly what I want to do, I want to build svnkit just after trilead-ssh2 was successfully built, "make chain-build" rebuilds trilead-ssh2 before svnkit but it tells me a build already exists