On Tue, Oct 09, 2007 at 05:59:28PM +0200, Phil Knirsch wrote: > > Well, from looking at the dependencies you listed here the dependency tree > would look like this: > > > > > updmap-sys texconfig-sys C > /|\ /|\ > | | > E B > /|\ > | > D > /|\ > | > A I don't really understand the diagram... But I'd like to precise that updmap-sys and texconfig-sys are part of the package A. > So effectively this means that on the 1st level of the tree updmap-sys, > texconfig-sys and C can be ordered in any way as well as on the 2nd level E > and B as they have no cross and/or chained dependencies. That's annoying... > So to answer your questions: > > 1) Can C be installed prior to sA being called: No, as the dependency chain > clearly require B, C and D and therefore those will be installed prior to > A. Maybe I wasn't clear, but sA is in A... > 2) Will the various yum install [A|E|B] give the same script run orders? > Thats not 100% guaranteed as the installation order of E and B as well as > the installation of updmap-sys, texconfig-sys and C are not fixed by any > requires, so using a subset of packages to install first (e.g. only > updmap-sys, texconfig-sys and C) might result in a different order for > those packages than using a "full" install with A. Once again, updmap-sys and texconfig-sys are in A... > There might be some code inside rpm that could possibly have updmap-sys, > texconfig-sys and C be installed in the same order despite having not > dependencies between each other, but from an algorithmical point of view > you can't and shouldn't rely on it. It is clearly something that shouldn't be done. > Or to put it differently: If you need those packages to be installed in a > specific order then just use Requires. The issue is that the postscript should only be run after all are installed. > On the other hand, if those are "soft" requires then things get tricky , > e.g. IF updmap-sys, texconfig-sys and C get installed then C needs to be > installed after updmap-sys and/or texconfig-sys. I remember vaguely that > such "soft" requires (which don't pull in packages automatically but which > will be honored in case it is already in the transaction) were either > planed or even already put into rpm, but Panu/JBJ can probably tell you a > lot more in detail about that. Maybe this could be useful. -- Pat -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-list
