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   <H1>[Mageia-dev] Copying dependencies to Updates (Testing),	or changing mgaapplet to use urpmi --auto-update instead of urpmi	--update.</H1>
    <B>Samuel Verschelde</B> 
    <A HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20Copying%20dependencies%20to%20Updates%20%28Testing%29%2C%0A%09or%20changing%20mgaapplet%20to%20use%20urpmi%20--auto-update%20instead%20of%20urpmi%0A%09--update.&In-Reply-To=%3C201109051206.40002.stormi%40laposte.net%3E"
       TITLE="[Mageia-dev] Copying dependencies to Updates (Testing),	or changing mgaapplet to use urpmi --auto-update instead of urpmi	--update.">stormi at laposte.net
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    <I>Mon Sep  5 12:06:39 CEST 2011</I>
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<PRE>Le samedi 3 septembre 2011 02:20:17, David W. Hodgins a &#233;crit :
&gt;<i> On Thu, 01 Sep 2011 06:43:17 -0400, Buchan Milne &lt;<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">bgmilne at staff.telkomsa.net</A>&gt; 
</I>wrote:
&gt;<i> &gt; On Thursday, 1 September 2011 12:12:46 Samuel Verschelde wrote:
</I>&gt;<i> &gt;&gt; Le jeudi 25 ao&#251;t 2011 11:03:42, David W. Hodgins a &#233;crit :
</I>&gt;<i> &gt;&gt; &gt; If the Mandriva way is kept, we must ensure all needed dependencies
</I>&gt;<i> &gt;&gt; &gt; are available in Updates (Testing too).
</I>&gt;<i> &gt; 
</I>&gt;<i> &gt; I note that the exception given for Mageia 1 to have packages that were
</I>&gt;<i> &gt; in Mandriva, but weren't available at Mageia 1 release be available in
</I>&gt;<i> &gt; updates makes this more difficult.
</I>&gt;<i> 
</I>&gt;<i> Agreed.  What really makes things worse, is the dependencies of the
</I>&gt;<i> dependencies. With kipi-plugins-expoblending, a requires was added for the
</I>&gt;<i> package hugin.
</I>&gt;<i> 
</I>&gt;<i> Since hugin was only in Core release, the mgaapplet fails to install it.
</I>&gt;<i> So, hugin was copied to pushed to Core Updates Testing, and then to
</I>&gt;<i> Core Updates.
</I>&gt;<i> 
</I>&gt;<i> But, mgaapplet still couldn't install the update for
</I>&gt;<i> kipi-plugins-expoblending, even though hugin was available, as enblend,
</I>&gt;<i> required by hugin, is only in Core Release, so the dependencies
</I>&gt;<i> dependencies must copied too.
</I>&gt;<i> 
</I>&gt;<i> Identifying which packages must be copied, is going to be difficult.
</I>&gt;<i> 
</I>&gt;<i> Effectively, everything listed by
</I>&gt;<i> urpmq --requires-recursive kipi-plugins-expoblending
</I>&gt;<i> minus the packages listed by
</I>&gt;<i> urpmq --requires-recursive basesystem-minimal
</I>&gt;<i> should be copied.
</I>&gt;<i> 
</I>&gt;<i> $ urpmq --requires-recursive kipi-plugins-expoblending|wc -l
</I>&gt;<i> 629
</I>&gt;<i> $ urpmq --requires-recursive basesystem-minimal|wc -l
</I>&gt;<i> 312
</I>&gt;<i> 
</I>&gt;<i> So 317 packages would have to be copied, to be absolutely safe.
</I>&gt;<i> 
</I>&gt;<i> Regards, Dave Hodgins
</I>
I would check it differently :
- for an update to an existing package in mageia 1 you have to compare the 
list of dependencies (recursive) to that of the previous package, not to 
basesystem-minimal. This will give less results I guess.
- for a package added to Mageia 1 because it was missing but present in 
Mandriva 2010.2, it can be trickier. Problems arise when the mdv package is 
still present on mageia (from a previous migration) and MageiaUpdate wants to 
update it : it can fail if it requires new dependencies.
One way would be to install it in a minimal Mandriva 2010.2, migrate to Mageia 
1 and then either :
  - check what dependencies of the package have not been migrated
  - or install the updated package with urpmi and note what dependencies have 
been pulled from release media

Hopefully urpmi --update's behaviour can be changed soon so that QA Team will 
be relieved from those tedious checks ?

Best regards

Samuel
</PRE>


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