The triple loop is no different from the double loop... It just means that no more than one of those packages can be installed at one time. Rick On Tuesday, August 19, 2003, at 02:06 AM, Axel Thimm wrote: > On Tue, Aug 12, 2003 at 02:28:36AM -0400, seth vidal wrote: >>> Only if sshd would have also obsoleted openssh-server. The case >>> we are >>> talking about is more like zebra vs gated. >>> >>> The idea is that whenever you have multiple possible solutions >>> (obsolete loops, conflicts and virtual packages provided by many >>> rpms), a way to prefer one solution would be to see, what the >>> user has >>> installed. >> >> and in the case of a larger obsoletes loop? >> >> ie: foo obsoletes bar >> bar obsoletes baz >> baz obsoletes foo >> >> how do you track those down? > > Sorry for the late reply, I was on the road: > > yum install/update/upgrade differ in the way they pull installation > candidates into a pool. Every observed obsoletes should erase the > obsoleted rpm from the candidate pool. Nevertheless dependencies should > be resolved both by this pool and the pool of already installed > packages. > > So you effectivly do a clean calculation of your solution graph and > fallback for still missing pieces in the existing graph. > > About the example above: All three packages are removed from the > installation candidate pool and the operation only resolves if one of > them is already installed and provides the right capabilities. If > nothing is installed yum cannot decide without further human > intervention and should fail. > -- > Axel.Thimm@xxxxxxxxxxxxxxxxxxx > _______________________________________________ > Yum mailing list > Yum@xxxxxxxxxxxxxxxxxxxx > https://lists.dulug.duke.edu/mailman/listinfo/yum
