Re: Fedora 31 Self-Contained Change proposal: Limit Scriptlet Usage of core packages

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On Mon, Jul 15, 2019 at 11:52 AM Zbigniew Jędrzejewski-Szmek
<zbyszek@xxxxxxxxx> wrote:
>
> On Mon, Jul 15, 2019 at 10:13:21AM -0400, Neal Gompa wrote:
> > On Mon, Jul 15, 2019 at 10:04 AM Miroslav Suchý <msuchy@xxxxxxxxxx> wrote:
> > >
> > > Dne 10. 07. 19 v 9:19 James Antill napsal(a):
> > > > 2. adduser/group/etc. => sysusers files
> > >
> > > For anyone willing to do this in advance on his/her package - this is how you can do that:
> > >
> > > https://github.com/rpm-software-management/mock/commit/cf4c8f076637755acc3cf4eb091d8ebb36020237
> > >
> > > Here is relevant FPC ticket:
> > >   https://pagure.io/packaging-committee/issue/442
> > >
> > > Just for the record - this does not make things to run faster. You still have to have %pre scriptlets. It is likely even
> > > slower as you are running %posttranstrigger as well. The benefit is here only that we move toward declarative specification.
> > >
> >
> > That’s also going to fail, because the %pre script executes before the
> > file exists. That’s why these guidelines are broken, and why I
> > suggested we deal with sysusers differently.
>
> Oops, you're right. As /usr/lib/rpm/macros.d/macros.systemd says,
> %sysusers_create is "deprecated. Use %sysusers_create_package instead".
>

It’d be better to subpackage it and have a file trigger that runs for
each package that contains those files and creates the sysusers. That
ensures ordering, existence, and makes it reliable. Subpackages will
also allow other packages to be able to depend on those if needed
without the software (e.g. apache user being used by both apache httpd
and nginx).



-- 
真実はいつも一つ!/ Always, there's only one truth!
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