Daniel P. Berrangé wrote:
> On Tue, Jan 19, 2021 at 03:18:41PM +0000, Richard W.M. Jones wrote:
>> On Tue, Jan 19, 2021 at 04:12:59PM +0100, Miro Hrončok wrote:
>> > On 19. 01. 21 16:06, Richard W.M. Jones wrote:
>> > >(2) Or adding:
>> > >
>> > >%package tar-filter
>> > >Obsoletes: %{name}-tar-plugin <= %{version}-%{release}
>> > >
>> > >which says that it obsoletes but doesn't provide a replacement. Note
>> > >however I'm not sure if this will work, because they won't have
>> > >nbdkit-tar-filter installed before the upgrade (it never existed in
>> > >F32), so will the Obsoletes ever be "seen" by dnf?
>> >
>> > Yes, it will be seen and respected.
>> >
>> > Note that it in most cases, it is recommended to obsolete a specific
>> > version-release rather than %{version}-%{release}.
>>
>> To be clear, I would find the last released nbdkit-tar-plugin version
>> in F32 (https://koji.fedoraproject.org/koji/buildinfo?buildID=1605446)
>> and write this?
>>
>> %package tar-filter
>> Obsoletes: %{name}-tar-plugin = 1.20.7-1.fc32
>
> Yes, but use <= here, rather than =, as users might be updating from an
> older install.
>
> Arguably can leave off the .fc32 part too IMHO.
But then, <= 1.20.7-1 will do the wrong thing, which is why Miro recommends
(and I agree with him) to use < 1.20.7-2 instead.
Kevin Kofler
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