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From Tibor Digana <>
Subject Re: Maven 4.0.0
Date Tue, 14 Nov 2017 00:35:50 GMT
I would like to have SCM Hook from CI or SCM Agent. Maven 4 should run only
changed modules similar to "mvn -pl...".
If we get a list of changed files, the Eclipse compiler might be faster and
then only tests for changed classes will run.

Then I would like to have clean and site executed on entire multi-module
project and not on individual modules like it is nowadays. Now when you run
"clean install site site:stage", all are run on every individual module. So
when site fails, the slowest was site and blocked more important install.

We should maybe introduce a new structure for BOM.

Another problem I struggle is transitive dependencies and their conflict.
Should a framework expose transitive dependencies?
Should we introduce a new scope like "abstract" and force the dependent POM
fail in validation phase if transitive dependency from f/w does not present
in App?
App (POM) ---[dependency]---> f/w(POM) ---[dependency with
scope=abstract]---> T :: transitive dep.(POM)
*abstract would be similar to scope=provided but the App POM must list the
dependency T.
It is fail-fast validation with abstract and then you do not need to use
The T dependency appears very close to the root of dependency tree and
there would not be a conflict.
The T may come from company's BOM.

On Mon, Nov 13, 2017 at 11:19 AM, Romain Manni-Bucau <>

> Hi Jörg, fully unrelated (cross topic). About tycho I often end up
> doing a custom script hacking the resolvedArtifacts and using a local
> cache (m2 fake repo) because tycho plugin is way to slow in practise.
> It can look like
> component-studio-integration/src/build/StudioDependencies.groovy#L27
> (which transitive deps support but it is not that hard to add).
> Romain Manni-Bucau
> @rmannibucau |  Blog | Old Blog | Github | LinkedIn
> 2017-11-13 11:11 GMT+01:00 Jörg Schaible <>:
> > Hi Romain,
> >
> > Am Thu, 09 Nov 2017 09:32:12 +0100 schrieb Romain Manni-Bucau:
> >
> >> FYI opened for the MNG-6302
> >> (guess we can switch from thread to discuss it now?)
> >
> > How is this issue related with my topic regarding improved Tycho support
> > in Maven 4.0.0?
> >
> > Regards,
> > Jörg
> >
> >
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