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+ <H1>[Mageia-dev] Backports policy clarification (and discussion)</H1>
+ <B>andre999</B>
+ <A HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20Backports%20policy%20clarification%20%28and%20discussion%29&In-Reply-To=%3C4FD7D536.2050201%40laposte.net%3E"
+ TITLE="[Mageia-dev] Backports policy clarification (and discussion)">andre999mga at laposte.net
+ </A><BR>
+ <I>Wed Jun 13 01:48:06 CEST 2012</I>
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+<PRE>nicolas vigier a &#233;crit :
+&gt;<i> On Tue, 12 Jun 2012, andre999 wrote:
+</I>&gt;<i>
+</I>&gt;<i>
+</I>&gt;&gt;<i> nicolas vigier a &#233;crit :
+</I>&gt;&gt;<i>
+</I>&gt;&gt;&gt;<i> On Fri, 08 Jun 2012, Samuel Verschelde wrote:
+</I>&gt;&gt;&gt;<i>
+</I>&gt;&gt;&gt;<i>
+</I>&gt;&gt;&gt;<i>
+</I>&gt;&gt;&gt;&gt;<i> Maybe we shouldn't open backports for Mageia 1, and make sure upgrade to
+</I>&gt;&gt;&gt;&gt;<i> Mageia 3 can take backports from Mageia 2 into account so that backports to
+</I>&gt;&gt;&gt;&gt;<i> Mageia 2 are not stopped when Mageia 3 is released. Then we'll be safe.
+</I>&gt;&gt;&gt;&gt;<i>
+</I>&gt;&gt;&gt;&gt;<i>
+</I>&gt;&gt;&gt;<i> I think we cannot have both :
+</I>&gt;&gt;&gt;<i> - backports with higher version than in next stable release
+</I>&gt;&gt;&gt;<i> - easy upgrade to next stable release
+</I>&gt;&gt;&gt;<i>
+</I>&gt;&gt;&gt;<i>
+</I>&gt;&gt;<i> Why not ?
+</I>&gt;&gt;<i> We would have to ensure that the version of the backport is less than or
+</I>&gt;&gt;<i> equal to the version of the package (backport or not) in the next stable
+</I>&gt;&gt;<i> release. We just have to follow the versioning policy of updates c.f.
+</I>&gt;&gt;<i> Cauldron, i.e. an update always has a version less than cauldron. (Which
+</I>&gt;&gt;<i> allows for adding updates without changing the version of the next
+</I>&gt;&gt;<i> release.)
+</I>&gt;&gt;<i>
+</I>&gt;<i> We are talking about backports, not updates, so we don't care about
+</I>&gt;<i> versionning policy of updates.
+</I>
+OK. I was just suggesting that we use the same approach.
+
+&gt;<i> And backports can have higher version
+</I>&gt;<i> than 'release' repository of next version, that's what this thread is
+</I>&gt;<i> about.
+</I>&gt;<i>
+</I>
+Indeed.
+I'm suggesting that in those cases where the version of the backport is
+higher than the corresponding package of the next release, we ensure
+that the backport will continue to function in the next version. As I
+see it, this entails primarily that the dependancies will be available.
+We can assume that the dependancies are satisfied where the backport is
+initially installed. Given this, if these dependancies (or an update of
+these dependancies) will function in next higher release, then I would
+say that these conditions would be met, and the backport will continue
+to function. Thus we can ensure, by establishing the appropriate
+policies, that backports can continue to function with release updates.
+
+Of course that will mean that in certain cases this won't be possible,
+and I would suggest that in those few cases the backport be denied.
+Cases such as a dependancy being obsoleted by a package that doesn't
+provide all the functions needed by the backport. Not a very common
+occurance.
+We already have restrictions on backports, so I don't see this as a big
+liability in exchange for reliable release updates.
+
+It is possible that this problem could be solved by creating a backport
+for the next stable release, in which case to do the backport for
+release N-1 we would have to first create a backport for release N.
+This assumes that during or after the update to the new release, one
+does a regular update, and that the update will automatically present
+backports which apply to already installed backports, even if the
+backport repo is closed.
+Obviously requiring a certain fine-tuning of the tools.
+
+--
+Andr&#233;
+
+</PRE>
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