Michael Schwendt wrote:
So far, we have been running "repomanage" on the Fedora Extras repository
trees to get rid of old package releases automatically. In development, we
keep only the latest release, for older trees we keep at most two
releases.
However, occasionally I've run into obsolete/orphaned sub-packages where
the packager changed the BuildArch or deleted a sub-package without asking
the repository staff to delete old package releases manually. It can also
happen that the package removal requests, which are processed by humans,
lead to incomplete removal of packages, when e.g. "debuginfo" packages are
not removed or version-information was misleading.
The resulting obsolete package releases live in the repository forever, as
repomanage will never decide to delete them.
As a solution, I've looked into porting my old Perl rpm-expire script to
Python -- I've lost the script in the single place where it was running
and have only recovered an early prototype I'm not satisfactory with.
The technique is based on this:
* We build from src.rpm packages.
* For all binary rpms there must be a corresponding src.rpm.
* The src.rpm name is in the %{sourcerpm} header of a binary rpm.
* If the src.rpm for a binary rpm in the repository does not exist,
where does the binary rpm come from? --> We delete it!
* Instead of expiring arbitrary packages based on "number of pkgs found",
we expire only src.rpms and clean up the binary rpms based on whether
their src.rpms still exist.
Running a quick hack of this on the current FE repositories, it creates a
long list of "lost souls" as appended below. I've checked a few already
and so far could not find any false positives. Of course, letting such a
script remove these packages automatically actually, will require a few
good sanity checks, so run-time errors don't empty the entire
repository. ;)
Sounds like a good plan, but what about huge disttag-less noarch packages which get copied over from dist to dist?
Regards,
Hans
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