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Re: [epp-dev] The way EPP packages are built 
Hi,
expermenting a bit more with the product materialization with Tycho I'm kind of blocked (it might come from a p2 or tycho feature, I could not say)
The .product file describes which features should be included by the materialized product. Looking into the "installation details" tab from the materialized product I can see my product ID and all the features as children of this product, my guess is it's p2 
langage to say those are "required by the product".
The problem I see is that from this state p2 will prevent any installation of an updated version of such a feature (like, for instance, coming from the marketplace). And that's exactly what I'm trying to avoid as we get high installation failure rates from the marketplace for features which are already installed in the epp bundle.
Is that possible to build a product using tycho not having such a requirement ? The result I would expect would be the same as launching p2 director instructions on top of an existing Eclipse SDK. 

Are the "product builds" the right way to do that ?

Any hint would be appreciated.

Cheers,

Cédric


Le 21/12/2011 16:13, Igor Fedorenko a écrit :

I played some more with this last week and it looks like there is a bug
in Tycho or, more likely in P2, that results in wrong/missing branding
and customizations (default perspective, at least) of the generated
packages. Unfortunately, I was not able to identify what is actually
wrong with the Tycho-produced packages, so I would appreciate if
somebody could have a look. We are planning to release Tycho 0.14 around
middle of February and understanding the problem will certainly help me
fixing it in Tycho in time for the release (in other words, please help
me help you ;-) ).

My prototype EPP Tycho build setup is available from

https://github.com/ifedorenko/org.eclipse.epp

To run the build, simply do

> mvn clean install
from the root of the checkout. Generated packages will be under *.product/target/products folders. Thank you in advance. 

--
Regards,
Igor

On 11-12-12 10:21 AM, Markus Knauer wrote:

Great. Good to know that there will be some technical support :)

Markus

On Mon, Dec 12, 2011 at 16:15, Igor Fedorenko <ifedorenko@xxxxxxxxxxxx
<mailto:ifedorenko@xxxxxxxxxxxx>> wrote:
I am not sure I'll have time to work on EPP packages themselves, but I am certainly interested in this effort and will be happy to answer tycho 
    questions.

    --
    Regards,
    Igor


    On 11-12-12 10:10 AM, Markus Knauer wrote:
I had plans to start a migration to Tycho (and to git) in January 
        because as of today I am involved in another project that takes
        all of
        my time. If this works well, I will try to convince the package
        maintainers to allow the switch for all Juno packages. I am sure
        that I
        will need some helping hands... if you want to join... ;-)

        Thanks,
        Markus

        On Mon, Dec 12, 2011 at 15:20, Andrew Overholt
<overholt@xxxxxxxxxx <mailto:overholt@xxxxxxxxxx>
<mailto:overholt@xxxxxxxxxx <mailto:overholt@xxxxxxxxxx>>> wrote:

            Hi,

> I'm interested in trying to setup a complete toolchain to build
            the EPP
> modeling package using Tycho, but once I did that, do any of you
            foresee any
> issue in integrating it to the "EPP build process" ?
Markus submitted a talk on this subject to EclipseCon but it was 
            unfortunately declined:
http://www.eclipsecon.org/__2012/sessions/building-__eclipse-download-packages-__tycho-and-maven 
<http://www.eclipsecon.org/2012/sessions/building-eclipse-download-packages-tycho-and-maven>

            Andrew
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