[Oomph-Setup] Add eclipse.platform configuration setup

[HannesWell]

Additionally add a styled and drag&drop-able Oomph Configuration button.

Part of eclipse-platform/eclipse.platform.releng.aggregator#2430

[github-actions]

Test Results

 1 758 files  ±0   1 758 suites  ±0   1h 34m 8s ⏱️ + 7m 9s
 4 170 tests ±0   4 148 ✅ +1   22 💤 ±0  0 ❌  - 1 
13 107 runs  ±0  12 943 ✅ +1  164 💤 ±0  0 ❌  - 1 

Results for commit 35dd38f. ± Comparison against base commit 9a8e0e6.

♻️ This comment has been updated with latest results.

[merks]

Probably the new project will have a warning about not having an explicit coding...

Note that it's essential that the configuration be referenced from something that is in the setup Index. Otherwise it will not work very well, i.e., the badge will not be generated:

https://ci.eclipse.org/oomph/job/setup-archiver/

Also what's in the archive is unzipped to this location:

https://download.eclipse.org/justj/?file=oomph/www/setups/

And that's what makes it possible to show the configuration's documentation on the page:

https://www.eclipse.org/setups/installer/?url=https://raw.githubusercontent.com/eclipse-platform/eclipse.platform/master/releng/org.eclipse.platform.setup/EclipsePlatformConfiguration.setup&show=true

We can't pull it directly from GitHub because of cross-site scripting restrictions.

And finally, if the platform repository is going to have its own configuration, the project setup for it should probably be factored out and also put in that git repository like is already the case for some of the other platform projects:

There should then be an Eclipse Ini task with a redirection so one can modify/use/test the setup in the repository being set up. This would also be the good place from which to reference the configuration.

[HannesWell]

Probably the new project will have a warning about not having an explicit coding...

Good point, I just added the corresponding setting.

Note that it's essential that the configuration be referenced from something that is in the setup Index. Otherwise it will not work very well, i.e., the badge will not be generated:

Thank you for the reminder and the elaboration, that was very helpful!

Added the reference via

• [Oomph-Setup] Add reference to new eclipse.platform configuration setup and unify name of project containing the platform.setup eclipse.platform.releng.aggregator#2437

And finally, if the platform repository is going to have its own configuration, the project setup for it should probably be factored out and also put in that git repository like is already the case for some of the other platform projects:

That's something I also wanted to discuss, but want to leave it for later. First I would like each active repo to have it's own configuration and 'Oomph-setup button' in order to make it visible for contributors.
In a second step I can then move around the setups to be managed in their repository.
In eclipse-platform/eclipse.platform.releng.aggregator#2437 I have now referenced this configuration using a complete URL.

With that, this should be ready for submission. The verification build does not test this at all.

[HannesWell]

The README looks as expected:

And the website it opens looks also fine:
https://www.eclipse.org/setups/installer/?url=https://raw.githubusercontent.com/eclipse-platform/eclipse.platform/master/releng/org.eclipse.platform.setup/PlatformConfiguration.setup&show=true