On Fri, 2011-09-16 at 11:33 -0500, Matyas Selmeci wrote: > Hi all, > > Hope it's okay to ask for general RPM/Yum advice here. > > We have several packages that require grid CA certificates to be > installed. There are multiple sets of grid certificates, and we want to > leave up to individual sites which set to install. We also want to give > the sites the option to install none of them if they know what they are > doing and want to manage certificates by themselves. > > So what we do is we add to each package that requires grid certificates > a 'Requires: grid-certificates' line, and to each package that provides > grid certificates a 'Provides: grid-certificates' line. We also create a > dummy package, called 'no-ca-certs' that does nothing but provide the > grid-certificates dependency. > > We want to set it up so that one of these certs packages is preferred > over the others, so that if the user doesn't explicitly choose which one > to install, then that package is installed by default. How can we do > that? We tried having the packages provide different versions of the > grid-certificates virtual dependency (i.e. no-ca-certs would have > 'Provides: grid-certificates = 1', osg-ca-certs (which we prefer) would > have 'Provides: grid-certificates = 2') in hopes that yum would pick the > one with the highest version, but it didn't help. Any ideas? Here is how yum does comparison between multiple package providing the same thing: http://yum.baseurl.org/wiki/CompareProviders if you follow that as your guide you can probably make one of them be the default choice. -sv -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel
