Bonjour Pascal,

Many thanks for your sympathies ! :)

I opened a bug https://bugs.eclipse.org/bugs/show_bug.cgi?id=348428 on this 
case, with a few basic suggestions what solutions we could offer to the users 
of product publisher.

Anybody in the mailing list is welcome to share his/her proposals in the bug.

Best regards,
Shenol Yousouf
SAP Labs Bulgaria

From: [email protected] [mailto:[email protected]] On Behalf 
Of Pascal Rapicault
Sent: Sunday, June 05, 2011 10:06 PM
To: P2 developer discussions
Subject: Re: [p2-dev] Product publishing for all platforms

Given the pain you mentioned, improving the publisher sounds like a good idea.
I also wonder if this will require changes to the product file to ease 
authoring.
Please file a bug report and we can continue the discussion there.

On 2011-06-05, at 1:29 PM, Yousouf, Shenol wrote:


Hi all,

As you know, Eclipse .product files contain a "<configurations>" section where 
you can specify which bundles you wish to be started by default and at which 
start level. When such products are published, a special configuration unit for 
every such bundle is generated in the repository, with touchpoint instructions 
to fulfill these requirements. The catch is that they are generated with 
filters for the environment (determined by the "-configs" parameter of product 
publisher application in a headless build, e.g. "-configs gtk.linux.x86"). 
Accordingly, the instructions for start will not be executed during p2 install 
if the filters do not match the corresponding properties of the p2 profile into 
which you install.

Assuming that my product has no platform-specific requirements, how can I 
publish it so that the start configuration is valid anywhere I install the 
product ?

I guess that this could be achieved if the configuration units were getting 
published without filters; so far, however, I haven't found a straightforward 
solution to do it. It is possible to invoke the publisher with "-configs all" 
option, which, supposedly, implies "configuration for all platforms". However, 
even in this case the CUs get a minimal filter "osgi.ws=all" which again has to 
be explicitly matched by the p2 profile. Publishing without specifying 
"-configs" does not generate any CUs at all.

The following article (http://wiki.eclipse.org/Equinox/p2/Setting_Start_Levels) 
explains how to generate CUs without filters, using p2.inf file. The 
workaround, however, is not pretty at all - you need to add about 20 lines in 
p2.inf for the configuration of each bundle; for translating the configuration 
of a whole product, the final p2.inf would most often look monstrous :) 
(depending on how many bundles you want to customize).

Is there a more elegant way to achieve this ? If not, what are your views to 
seek a more direct solution implemented in the publisher code rather than 
relying on p2.inf capabilites ?

Best regards,
Shenol Yousouf
SAP Labs Bulgaria

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