Hi Ed

You're right, the minor version needs to be increased when the BREE is 
changed as per 
https://wiki.eclipse.org/Version_Numbering#When_to_change_the_minor_segment
. Please file bugs if you see outdated bundle versions.

Dani



From:   Ed Merks <[email protected]>
To:     Cross project issues <[email protected]>
Date:   24.03.2015 18:57
Subject:        [cross-project-issues-dev] Equinox Bundle Version Concerns
Sent by:        [email protected]



Hi,

Eike and I have been trying to address problems in Oomph related to the 
Mars Mac App layout changes and we're concerned that there appears to be a 
general problem with a lack of semantic version changes in bundles that 
have modified contents, in many cases not just very minor content changes 
but rather  major behavioral changes.  For example, it's clear that the p2 
eclipse publisher is significantly changed by this commit:
http://git.eclipse.org/c/equinox/rt.equinox.p2.git/commit/?id=1b96ce896c49151b0e20fa49ba680d08415cca8f
In fact, this commit changed the MANIFEST.MF of the eclipse publisher 
itself:
http://git.eclipse.org/c/equinox/rt.equinox.p2.git/diff/bundles/org.eclipse.equinox.p2.publisher.eclipse/META-INF/MANIFEST.MF?id=1b96ce896c49151b0e20fa49ba680d08415cca8f
I.e., it is changing the BREE but it does not change the version number of 
the MANIFEST.MF.  

The last time the semantic version of this MANIFEST.MF was changed was by 
this commit:
http://git.eclipse.org/c/equinox/rt.equinox.p2.git/commit/?id=c847dee6f33950f48ecd1d8eca18729f6ffc470f
I.e., way back for Kepler.  The versioning guidelines are pretty clear 
that a content change requires at least a service increment:
https://wiki.eclipse.org/Version_Numbering#When_to_change_the_service_segment
I've not investigated more deeply, but my impression is that there is a 
general pattern of forgetting to increment bundle versions when the 
contents have changed.   Comparing Mars M6 (left) with Luna SR2 (right) I 
see very few things have been incremented, but surely there have been many 
changes.



Note the red outlined case where the Mars version actually has a smaller 
version number, 3.9.0, than the Luna version on the right, 3.9.1.  That's 
very wrong.

I hesitate to point out that Oomph has a version management tool for 
detecting when version changes don't match up with content changes.  I 
know other teams regularly increment all versions at the start of a 
release, which granted is not ideal.  But failing that, it's a difficult 
problematic to manage manually such changes and it's clear that it's not 
being handled very well because this isn't the first time during the 
release cycle that this issue has come up for the platform...

In case you're wondering, we're particularly concerned about this because 
in Oomph we'll need to detect whether we're installing a product with a 
newer or older version of the bundles that support the new versus the old 
layout.  We're not even sure which representative bundle's version test 
though it seems clear we must not be relying just on a build qualifier 
change to test for content/behavior changes.  For us it would be ideal if 
these things were properly incremented for the final M6 repository 
contents...

Regards,
Ed[attachment "abhceiej.png" deleted by Daniel Megert/Zurich/IBM] 
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