Dne 06. 11. 19 v 5:21 Randy Barlow napsal(a): > On Tue, 2019-11-05 at 21:17 -0500, Neal Gompa wrote: >> This feature of "slotting" multiple EVRs of the same name actually >> already exists in RPM. DNF currently restricts this to packages that >> contain one of the following provides: >> * installonlypkg(kernel) >> * installonlypkg(kernel-module) >> * installonlypkg(vm) >> * multiversion(kernel) >> >> It's not terribly difficult to extend this functionality to apply >> more >> broadly than kernels and VM images wrapped in RPMs. :) > That's a good point. I had actually noticed that the kernel was > "special" in this regard. > > Is this hardcoded in dnf? When I grep for "installonly", I see this: > > /etc/dnf/dnf.conf:installonly_limit=3 > > I guess that's why I get 3 kernels, but I'm wondering if I can expand > that set as a user? Probably not a good idea to mess with ☺ Just FTR: https://bugzilla.redhat.com/show_bug.cgi?id=845247 The DNF is completely different today. Anybody wants to propose this idea again? Vít > > In any case, you are right that we could make it so other packages > allowed installing more than one of the same name using this, but there > would need to be awareness of which ones can and can't be > simultaneously installed, and that's what Gentoo's slot feature > achieves. For example, we could start calling python simply "python", > but there would have to be a way to denote that some Python's can and > can't be parallel installed (you can't parallel install a 3.6.1 and > 3.6.2, but you *can* parallel install a 3.6.1 and a 3.5.2), and also > that some other packages cannot be parallel installed (like grep, since > it occupies /usr/bin/grep). But yeah, it does sound like dnf does have > some of the code we'd need to do that.
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