reexec systemd after installing SELinux packages #620
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Starting systemd 245 the daemon reloads SELinux contexts after a daemon-reload, but prior to that it needs to reexec. Both EL7 and EL8 are too old so this runs reexec. To limit the impact, it only does so if a package change was detected. This can fail if a metapackage (katello) already pulled in all packages but there's no reliable way to detect if a reexec is needed. Always running daemon-reexec can be unexpected.
This is untested and I'm not even sure if my logic is entirely correct.