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P2 director and update sites used for provisioning [message #1783788]

Sat, 17 March 2018 07:19

Eclipse User

Can P2 director pre-configure repositories used for provisioning into the installation? When I run the org.eclipse.equinox.p2.director application and use for instance:

-repository http://download.eclipse.org/releases/oxygen,http://download.eclipse.org/tools/cdt/releases/9.4,http://download.eclipse.org/modeling/tmf/xtext/updates/composite/releases

...to install:

-installIU org.eclipse.platform.ide,org.eclipse.jdt.feature.group,org.eclipse.cdt.feature.group,org.eclipse.m2e.feature.feature.group,org.eclipse.egit.feature.group,org.eclipse.xtext.sdk.feature.group,org.eclipse.xtend.sdk.feature.group

...this is all fine and gets the new CDT 9.4.2 and the newer Xtext/Xtend 2.13 (from the added update site). But when I launch eclipse the update sites used (http://download.eclipse.org/tools/cdt/releases/9.4,http://download.eclipse.org/modeling/tmf/xtext/updates/composite/releases) are treated inconsistently. When I go to "Preferences --> Install/Update --> Available Software Sites" I see:

- the CDT repository is present but disabled
- the Xtext/Xtend repository is missing altogether

Is it possible to get P2 director to have them both present and enabled? What controls this behaviour?

Re: P2 director and update sites used for provisioning [message #1784027 is a reply to message #1783788]

Wed, 21 March 2018 13:46

Eclipse User

Those values are stored in the p2 profile settings, found in your installation under p2/org.eclipse.equinox.p2.engine/profileRegistry/<<PROFILE>>.profile/.data/.settings. There are two pref files, one for artifact repositories and the other for metadata repositories.

The p2 director doesn't seed these preferences from the provided repositories: I installed an IU from a local `file:`-based p2 repository and that location was not written out. Rather these values are seeded by p2 `addRepository()` touchpoints.

Any update sites added via the p2 UIs (like Install New Software) are added to these lists too.

If you're interested, you could submit a patch to the p2 director to add the repositories to the list. For example, with an argument like "-remember".

Brian.

Re: P2 director and update sites used for provisioning [message #1784197 is a reply to message #1784027]

Fri, 23 March 2018 08:09

Eclipse User

Hi Brian, thank you for your reply.

It seems like a reasonable feature and an easy-enough thing to do. I will take a jab at it when I'm ready.

I'll need to check if I need to re-certify my CLA as I haven't contributed in a while. I should also set up my development workspace as I no longer have it, there used to be a document describing how to do that for the Eclipse platform.

Either way I recall I had to find a sponsor to review/pull the change at some point. Would you be able to do that? What would be the proper developer mailing list to reach out to when I'm ready to work?

Re: P2 director and update sites used for provisioning [message #1784324 is a reply to message #1784197]

Mon, 26 March 2018 14:56

Eclipse User

I'm not a committer on p2, so I can't help. I'd suggest posting to the p2-dev mailing list.

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