On Tue, Sep 22, 2026 at 11:08 AM Pavel Raiskup via buildsys <[email protected]> wrote: > > Hi everyone, > > We are planning to change Mock's default behavior when building > packages. Specifically, we intend to unconditionally pass --noclean to > rpmbuild during builds. This means Mock will no longer execute the > %clean section of spec files (or the implicit rmbuild cleanup phase). > So far, Mock has been using --noclean only when > `cleanup_on_success=False` (opt-in behavior). > > Modern RPM packaging guidelines consider the %clean section obsolete. > Mock already manages the chroot and build root cleanups at the top > level before and after builds. Running %clean inside the chroot seems > redundant, and is hard to cover correctly (especially with the new > "delayed %check" feature). > > More context and the background discussion can be found in PR #1809: > https://github.com/rpm-software-management/mock/pull/1809 > > Request for Feedback: > Before we make this change default in an upcoming release, we would > like to hear from the community: > > Do you have any legitimate use cases where executing the %clean > section or rmbuild phase inside Mock is still strictly required? > > Are you aware of any workflows or tooling built on top of Mock that > would break if Mock always passes --noclean? > > If you have any objections, edge cases, or concerns, or process > opinions - please let us know. >
The %clean section is obsolete because we already define a default %clean stage in RPM itself since rpm 4.8 in 2009: https://github.com/rpm-software-management/rpm/commit/3fc58248d23d6f720942e5cbf4f92db246a802f0 And modern default %clean handles all the weird multi-buildroot stuff that is now supported since RPM 4.20. Using --noclean turns all that stuff off, and can result in broken build results. Please don't do this. -- 真実はいつも一つ！/ Always, there's only one truth! -- _______________________________________________ devel mailing list -- [email protected] To unsubscribe send an email to [email protected] Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/[email protected] Do not reply to spam, report it: https://forge.fedoraproject.org/infra/tickets/issues/new
