[ovirt-devel] Fwd: Unversioned and >/=/>= obsoletes

[Nir Soffer]

On Fri, Sep 2, 2016 at 2:26 PM, Sandro Bonazzola <sbonazzo at redhat.com>
wrote:

> FYI, Fedora reviewed vdsm spec file regarding obsoletes.
>
>
> ---------- Forwarded message ----------
> From: Igor Gnatenko <ignatenko at redhat.com>
> Date: Fri, Sep 2, 2016 at 1:14 PM
> Subject: Unversioned and >/=/>= obsoletes
> To: Development discussions related to Fedora <
> devel at lists.fedoraproject.org>, devel-announce at lists.fedoraproject.org
>
>
> All guidelines mandate the use of </<= Obsoletes, but unfortunately we
> have some number of packages (179 source rpms -> 292 binary rpms) with
> unversioned Obsoletes or with >/=/>= Obsoletes.
>
> It is causing problems with upgrade (if package is getting re-added)
> or with 3rd-party repositories. Older package is obsoleting new
> package.
>
> Problem categories (in following text by "never" I mean latest N-2
> releases):
>
> * Package/SubPackage was never built in Fedora
> Package "python" has "Obsoletes: python2" which was never built ->
> drop Obsoletes
> SubPackage "qpid-proton-c" of "qpid-proton" has "Obsoletes:
> qpid-proton" which was not the package for long time -> drop Obsoletes
>
> * Package replacement
> Package "storaged" has "Obsoletes: udisks2" -> take latest version
> from koji (2.1.7-1) and make Obsoletes versioned: udisks2 < 2.1.7-2
> storaged is not simple use-case as it replaces udisks2, but latter is
> still not retired.
>
> * "=" Obsoletes
> "rubygem-vte" has "Obsoletes: ruby-vte = 3.0.9-1.fc26" (probably it's
> macro in spec) which seems really weird as it will not obsolete
> F24/F25 with such version
>
> * Obsoletes by Provides
> It doesn't work to prevent undefined behavior. Imagine you have
> installed "A" and "B", both providing "C". Package "D" has "Obsoletes:
> C", it should not remove "A" and "B".
> ** %{?_isa}
> "glibc-headers" has "Obsoletes: glibc-headers(i686)". %{?_isa} is just
> text, it's not part of architecture or something else.
> ** Other provides
> "rubygem-http_connection" has "Obsoletes:
> rubygem(right_http_connection)". Latter is virtual provides.
>
> * Weird obsoletes (broken)
> "krb5-server" has "Obsoletes: krb5-server-1.14.3-8.fc26.i686".
> Basically it will not obsolete anything because it's threated as
> package name (and we definitely don't have such package name).
>
> * >/>= Obsoletes
> "vdsm" has "Obsoletes: vdsm-infra >= 4.16.0". It's almost same as
> unversioned Obsoletes. So it must not be used.
>

Should be fixed here if I understood the problem
https://gerrit.ovirt.org/63215
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