On Mon, 2024-01-29 at 15:43 -0800, Adam Williamson wrote:
> nirik ran a script that checks for versioning issues in Rawhide
> today, 
> and it found several:
> https://pagure.io/releng/issue/11922#comment-893797
> 
> Some of these followed a pattern, so I figured a reminder was in
> order. 
> In all these cases, a new version was pushed to Rawhide, then
> "reverted" 
> some time later:
> 
> golang-github-nats-io-jwt - bumped to 2.4.1 in July, reverted to
> 1.2.2 
> in September
> golang-google-grpc - bumped to 1.58.0 in September, reverted to
> 1.48.0 
> in October; no 1.58.0 build ever landed, but the revert left the 
> %release much lower than before
> python-mizani - bumped to 0.10.0 on September 10, reverted to 0.9.3
> on 
> September 12
> python-pywlroots - bumped to 0.16.6 on November 4, reverted to 0.16.4
> later the same day
> 
> so the reminder is this: you cannot simply "downgrade" RPM package 
> versions like this. Especially not if the upgraded version ever made
> it 
> into a Rawhide compose.
> 
> If a Rawhide user has your package installed, and got the upgraded 
> version, they will be marooned on that build forever unless they 
> manually run `dnf distro-sync`. A `dnf upgrade` will not downgrade
> the 
> package to the build you now consider to be the "current" one.

yes rawhide user should use dnf distro-sync not dnf upgrade 

https://docs.fedoraproject.org/en-US/packaging-guidelines/Versioning/#_rawhide_is_allowed_to_lag_temporarily

you may do a new build with lower EVR 


> If you have to downgrade a package that made it to a Rawhide compose,
> you must use an epoch. If the package did not have an epoch before,
> make 
> it `Epoch: 1`. If it had an epoch already, bump it by 1. People tend
> not 
> to like epochs, so *try* not to have to do this. Be really certain 
> before pushing out version bumps.
> 
> If the "upgraded" build never made it into a compose (as is likely
> the 
> case for python-pywlroots) you're *probably* okay, but it's still 
> something to be careful about - for instance you might fall into the 
> trap golang-google-grpc fell into with the %release tag.
> 
> Thanks folks!
> -- 
> Adam Williamson (he/him/his)
> Fedora QA
> Fedora Chat: @adamwill:fedora.im | Mastodon: @ad...@fosstodon.org
> https://www.happyassassin.net
> --
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-- 
Sérgio M. B.
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