Hi Jonah,

Thanks for the in-depth explanation! Now I got it ;-)

Cheers
/Eike

----
http://www.esc-net.de
http://thegordian.blogspot.com
http://twitter.com/eikestepper


Am 08.01.2022 um 16:33 schrieb Jonah Graham:
Hi Eike,

Actually CDO does depend on Mylyn, and therefore (until 2021-12) on CVS:

EMF CDO depends on EMF Compare's contribution:
org.eclipse.emf.cdo.compare -> org.eclipse.emf.compare

EMF Compare depends on EGit's contribution:
org.eclipse.emf.compare.egit ->  org.eclipse.jgit

EGit depends on Mylyn's contribution:
org.eclipse.mylyn.github.feature.feature.group -> 
org.eclipse.mylyn_feature.feature.group
(Note that despite the name org.eclipse.mylyn.github.feature.feature.group  is 
contributed by EGit to simrel)

The difference is the granularity of the dependencies. For SimRel dependencies are normally handled at the contribution level. At the feature/bundle level there may indeed be no dependencies from CDO -> Mylyn/CVS, but with many contributions being interdependent on each other, and Mylyn historically cutting across so many projects, something that disabled Mylyn causes many things to be easily disabled.

Of course this problem is hindered by Mylyn being under-resourced at the moment.

I hope that helps,
Jonah


~~~
Jonah Graham
Kichwa Coders
www.kichwacoders.com <http://www.kichwacoders.com>


On Sat, 8 Jan 2022 at 10:01, Eike Stepper <step...@esc-net.de> wrote:

    Thanks for your explanation. But, for the record, CDO does not dpened, 
neither directly nor transitively on
    anything from Mylyn or from CVS.

    Cheers
    /Eike

    ----
    http://www.esc-net.de
    http://thegordian.blogspot.com
    http://twitter.com/eikestepper


    Am 08.01.2022 um 15:35 schrieb Kit Lo:

    Eike / Ed W. / Lorenzo / Team,

    Let me clarify. While contributing Eclipse Project M1 to SimRel 2022-03 M1, 
SimRel Aggregator Validation found
    many dependency issues "directly" or "indirectly" related to the removal of 
CVS in Eclipse Project. Mylyn was the
    first offender. After disabling Mylyn, all the other downstream projects 
also needed to be disabled because they
    were "directly" or "indirectly" affected by the removal of CVS and/or Mylyn.

    Thanks to Jonah's analysis, most/all of the downstream projects were 
affected by Mylyn. Once Mylyn fixed their
    CVS dependency, Jonah was able to enable most/all the other downstream 
projects.

    Sorry for the inconvenience and the alarm caused by the change!

    Regards,
    Kit Lo
    Eclipse Babel Project Lead
    IBM Eclipse SDK (IES) Technical Lead and Release Manager

    Inactive hide details for "Lorenzo Bettini" ---01/08/2022 05:56:28 
AM---Same for EMF Parsley: how did you find
    the CVS dependen"Lorenzo Bettini" ---01/08/2022 05:56:28 AM---Same for EMF 
Parsley: how did you find the CVS
    dependency? Il Sab 8 Gen 2022, 07:16 Ed Willink <ed.w

    From: "Lorenzo Bettini" <lorenzo.bett...@gmail.com> 
<mailto:lorenzo.bett...@gmail.com>
    To: "Cross project issues" <cross-project-issues-dev@eclipse.org> 
<mailto:cross-project-issues-dev@eclipse.org>
    Date: 01/08/2022 05:56 AM
    Subject: Re: [cross-project-issues-dev] CVS support plugin discontinuation 
- SimRel build changes needed
    Sent by: "cross-project-issues-dev" 
<cross-project-issues-dev-boun...@eclipse.org>
    <mailto:cross-project-issues-dev-boun...@eclipse.org>

    
------------------------------------------------------------------------------------------------------------------------



    Same for EMF Parsley: how did you find the CVS dependency?

    Il Sab 8 Gen 2022, 07:16 Ed Willink <_ed.willink@gmail.com_ 
<mailto:ed.will...@gmail.com>> ha scritto:

        Hi

        Ditto for Modisco. My OOMPH generated Modisco installation is totally 
free of even transitive dependencies on
        CVS so there must be a fault in your dependency analysis.
        Surely such a dramatic disabling should have been investigated on the 
Gerrit / a prvate branch and then
        discussed? Why was it merged to master? Why has it not yet been 
reverted?

         Regards

            Ed Willink

        On 08/01/2022 05:25, Eike Stepper wrote:

            @Jonah Thanks for re-enabling CDO!

            @Kit How did you establish that CDO depends (possibly transitively) 
on CVS? The bundle manifests of CDO
            do not contain anything to that extent, and in my target platform 
for CDO there are no CVS bundles.

            Cheers
            /Eike

            ----_
            __http://www.esc-net.de_ <http://www.esc-net.de>_
            __http://thegordian.blogspot.com_ <http://thegordian.blogspot.com>_
            __http://twitter.com/eikestepper_ <http://twitter.com/eikestepper>


            Am 07.01.2022 um 23:21 schrieb Jonah Graham:
                Hi folks,

                I have reenabled all the projects as the failures were due to 
transitive dependencies on Mylyn. For
                Mylyn I have disabled the CVS related/dependent features only. 
AFAICT (validation passes, waiting for
                full build) this should be the full solution so none of the 
other projects need to do anything this time.

                See 
_https://git.eclipse.org/r/c/simrel/org.eclipse.simrel.build/+/189399_
                
<https://git.eclipse.org/r/c/simrel/org.eclipse.simrel.build/+/189399>

                Jonah
                ~~~
                Jonah Graham
                Kichwa Coders_
                __www.kichwacoders.com_ <http://www.kichwacoders.com>


                On Fri, 7 Jan 2022 at 17:11, Jonah Graham <_jonah@kichwacoders.com_ 
<mailto:jo...@kichwacoders.com>>
                wrote:
                    Thanks Kit!

                    It looks like we have quite a few dependencies to resolve 
here :-) CDT doesn't directly depend on
                    CVS, perhaps there is a transient dependency that does 
though.

                    Does anyone know which of these directly depend on CVS? I 
am trying to figure it out now and hope
                    to make a new contribution soon if possible with a smaller 
set of disabled projects by removing
                    individual features.

                    PS Thank you for making such a large change in M1 - it 
gives all the downstream consumers more
                    time to actually understand the implication of the earlier 
announced changes.

                    Jonah

                    ~~~
                    Jonah Graham
                    Kichwa Coders_
                    __www.kichwacoders.com_ <http://www.kichwacoders.com>


                    On Fri, 7 Jan 2022 at 16:54, Kit Lo <_ki...@us.ibm.com_ 
<mailto:ki...@us.ibm.com>> wrote:
                        As announced in 
_https://www.eclipse.org/lists/cross-project-issues-dev/msg18643.html_
                        
<https://www.eclipse.org/lists/cross-project-issues-dev/msg18643.html> Eclipse 
Platform
                        project has stopped building CVS. While contributing to 
SimRel 2022-03 M1 we found some
                        projects are dependent on CVS causing SimRel build to 
fail. To make SimRel work we ended up
                        disabling multiple projects. Please re-enable them once 
the support for CVS has been
                        disabled. Here is the list of projects that were 
disabled:

                        - cdt
                        - dltk
                        - egit
                        - embedcdt
                        - emf-cdo
                        - emf-compare
                        - emf-parsley
                        - linuxtools
                        - m2m-atl
                        - modisco
                        - mylyn
                        - oomph
                        - pdt
                        - ptp
                        - tcf
                        - tracecompass

                        Thank you!

                        Regards,
                        Kit Lo
                        Eclipse Babel Project Lead
                        IBM Eclipse SDK (IES) Technical Lead and Release Manager

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