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<H1>[Mageia-dev] RFC: Add versioned require in rpm on rpm-helper</H1>
<B>Thomas Backlund</B>
<A HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20RFC%3A%20Add%20versioned%20require%20in%20rpm%20on%20rpm-helper&In-Reply-To=%3C4F8BF52D.2080505%40mageia.org%3E"
TITLE="[Mageia-dev] RFC: Add versioned require in rpm on rpm-helper">tmb at mageia.org
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<I>Mon Apr 16 12:32:13 CEST 2012</I>
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<PRE>Thierry Vignaud skrev 16.4.2012 12:36:
><i> On 16 April 2012 11:30, Thomas Backlund<<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">tmb at mageia.org</A>> wrote:
</I>>><i> Ah, you only mentioned system urpmi (not rpm) first time.
</I>>><i>
</I>>><i> but wont installer already use correct rpm/rpm-helper, since it's built from
</I>>><i> current cauldron packages?
</I>>><i> (and can be rebuilt again after updated rpm-helper)
</I>><i>
</I>><i> installer runs packages post-scripts in their chrooted environment,
</I>><i> aka the installed system.
</I>><i>
</I>
Thanks for clarifying.
>>>><i> and since rpm is a priority package, it will be done in the beginning,
</I>>>>><i> wont
</I>>>>><i> it ?
</I>>>><i>
</I>>>><i> NO.
</I>>><i>
</I>>><i> but since it's already correct version in stage2, we should already be ok,
</I>>><i> or... ?
</I>><i>
</I>><i> Unless you add specific versionated requires, you've no guaranties that rpm
</I>><i> will get updated before foobar which has a systemd unit and requires
</I>><i> an up to date rpm-helper.
</I>><i>
</I>
Yep, that was why I thought adding versioned requires on rpm would be
enough (wich it would be in urpmi case)
>>>>><i> A somewhat nicer fix would be to auto generate some
</I>>>>>><i> 'needs-systemd-aware-rpm-helper'
</I>>>>>><i> requires for packages providing systemd units, having rpm-helper
</I>>>>>><i> fulfil this provides
</I>>>>><i>
</I>>>>><i> Then we wouldn't need this.
</I>>>><i>
</I>>>><i> Yes we do
</I>>><i>
</I>>><i> So instead of fixing one package we will have to fix many packages :/
</I>><i>
</I>><i> That has always be the way to do.
</I>><i> Any package should require what it needs for its post/pre scripts.
</I>
Yeah, that's true.
><i> For systemd units, that means, an up to date rpm-helper.
</I>
True.
><i> Another way would be to alter the installer (see install/pkgs& media.pm)
</I>><i> in order to install first urpmi by handling priority upgrades w/o
</I>><i> actually restarting
</I>><i> itself of course. (Might need urpmi changes).
</I>><i>
</I>><i> Or to explicitly upgrade rpm/rpm-helper first.
</I>
Ok, so whatever we do decide, we need to fix it fast, we are supposed to
release beta3 soon...
Thinking some more on the issue, I guess the best way is to fix requires
on all packages with systemd units as it will cover every way (besides
--nodeps) people can install the rpms.
--
Thomas
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