Commits on Sep 20, 2023

1. hawkey.subject: get_best_selectors only obsoleters of latest …

   In situation where a package exists in multiple versions and some older
   version is being obsoleted, any of obsoleters was considered a valid
   solution.
   
   The result could be really misleading. For example let's have this package set:
   
   systemd-udev-1.0
   
   systemd-udev-2.0
   Obsoletes: systemd-udev < 2
   
   systemd-boot-unsigned-2.0
   Obsoletes: systemd-udev < 2
   
   In this case `dnf install systemd-udev` may lead to installation of
   systemd-boot-unsigned which is probably not what the user expected. The
   reason is the split in the upgrade-path created by obsolete and both
   branches - systemd-udev-2.0 and systemd-boot-unsigned-2.0 are considered
   valid.
   
   With this patch install command takes into account only obsoleters of
   the best version of the package so the `dnf install systemd-udev`
   results in correct installation of systemd-udev-2.0 package.
   
   Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2183279
   Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2176263

   

   m-blaha committed Sep 20, 2023
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