I fear this is not an option today, but ideally, that would be a perfectly 
visible grouping

we need to find another way of grouping, for people who do care about Maven 
general structure: people who just work on an artifact just don't care
and they don't care that git repos are flat even at Apache level: Apache level 
just enforce grouping via repo name prefix
http://git.apache.org/

currently, I hope that our "full Maven source code clone" implementation would 
make the Maven code structure grouping visible
if we implement it as a shell script, that's only a few mkdirs: but I'm not 
convinced by shell script implementation, since cloning is one command, but we 
need also to be able to fetch and pull

Regards,

Hervé

Le dimanche 8 octobre 2017, 12:21:54 CEST Tibor Digana a écrit :
> Would we need to have the URLs like these?
> github/apache/***/repo
> https://github.com/apache/*maven-plugins*/maven-clean-plugin/
> https://github.com/apache/*maven-shared*/maven-shared-utils/
> 
> On Sun, Oct 8, 2017 at 4:55 AM, Hervé BOUTEMY <herve.bout...@free.fr> wrote:
> > TLDR; =
> > Perhaps we can start with 2 proofs of concept:
> > 1. full git clone + Jenkins jobs for the 7 existing git repos (with 6
> > additional ones in 2 days)
> > 2. git split of one of the aggregator svn trunk: skins or doxia-tools can
> > be
> > easy choices since they are light, where plugins or shared are perhaps too
> > heavy. The one working on this PoC will make his choice
> > 
> > then more detailed answer inline that lead to this PoCs proposal
> > 
> > Regards,
> > 
> > Hervé
> > 
> > Le dimanche 8 octobre 2017, 00:02:10 CEST Tibor Digana a écrit :
> > > I don't think the devs would work on all artifacts(projects) a time.
> > 
> > sure, I think I'm one of the few people working on near everything (with
> > rare
> > exceptions like Surefire, as you noticed :) )
> > but for usual contributor, there is no issue
> > 
> > I'm not a git expert, then I don't know if easy "full Maven clone" is
> > better
> > done with a shell script or some git modules
> > 
> > > If the naming convention of repo for a plugin would be artifactId, like
> > > /maven-clean-plugin, then even easy to figure out which one to clone.
> > > The most likely the dev would just clone one repo she/he is interested
> > > in
> > > at the moment, i.e. repository /maven-clean-plugin, let's say.
> > > It's good to avoid any shared files across them, even I don't think devs
> > > share some in svn today. The release process would be quite usual, i.e.
> > 
> > one
> > 
> > > repo = one project, and new devs already have these experiences which
> > 
> > will
> > 
> > > be simple for them to adapt faster.
> > 
> > +1
> > the only drawback I see currently is that there is no natural grouping,
> > then
> > we have a flat lit of near 100 git repos without the current structure
> > (plugins, shared components, skins, ...): I think components structure is
> > useful for maintenability
> > but not really a complete showstopper
> > and perhaps the "Maven full clone" tooling can re-create some grouping to
> > keep
> > visible structure
> > 
> > Now, someone has to know how to create per-component git repo with tags
> > (either by reworking exiting git mirrors, either by restarting from svn),
> > and
> > that's not me :)
> > 
> > given the volume (adding 70 git repos for Maven), we'll have to tell infra
> > about it.
> > 
> > Then there is the Jenkins jobs configuration:
> > - we need easy Jenkinsfile in each repo
> > - we need easy 80 jobs creation (no, I won't manually create 80 jobs
> > personally)
> > And once again, infra will have to be in the loop (at Jenkins side this
> > time),
> > since I fear the load on Jenkins master node won't be light: perhaps
> > that's
> > where Jenkins folders will be useful, but I'm not a Jenkins expert either.
> > 
> > 
> > If everything seems feasible to split our svn code into 1 git repo per-
> > component, which will bring us to "full Maven code" being near 100 repos,
> > I'm
> > ok with it.
> > We'll need the help of misc experts on Jenkins and git to prepare things
> > at
> > this scale.
> > 
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