[Rpm-maint] [rpm-software-management/rpm] RFE: Subsecond resolution of package installation time (Issue #3934)

[Michal Domonkos]

dmnks left a comment (rpm-software-management/rpm#3934)

> Maybe, could you clarify what time is recorded into the RPM database now? I was told that it is when the installation phase ends, before %post script is executed.

The timestamp is taken in between `%pre` and `%post`. Thus, my understanding is that, if a package restarts its service in `%post`, it's guaranteed to have a timestamp that's equal or later than the package's installation time. Likewise, if it's restarted in `%pre`, it's guaranteed to have it equal or earlier than the installation time. Anyway, as already mentioned by Florian,making the timestamp more granular isn't the proper solution, just a band-aid that might or might not improve the situation.

I wonder if RPM could "clamp" the timestamp so that it's one second earlier than the `%pre` scriptlet execution, or something like that.

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