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Re: [GNUnet-developers] Proposal: Make GNUnet Great Again?

From: ng0
Subject: Re: [GNUnet-developers] Proposal: Make GNUnet Great Again?
Date: Sun, 10 Feb 2019 13:11:07 +0000

Christian Grothoff transcribed 9.0K bytes:
> On 2/10/19 11:59 AM, Schanzenbach, Martin wrote:
> >> --disable-FEATURE flats for configure where then src/ simply
> >> doesn't enter certain subdirectories would certainly have my approval here.
> > 
> > See above, yay more flags. But this is actually a problem I have not 
> > thought through tbh. I do not know how GNUnet is supposed to "work" in this 
> > regard.
> > Example:
> > I release reclaim. It is supposed to do X.
> > How am I supposed to release this? As a plugin for GNUnet? As _part_ of 
> > GNUnet (i.e. I need to tell my users to install this completely unrelated 
> > beast which includes a social network and peer-to-peer file sharing)?
> I like this way of looking at it, chiefly what is the release plan. It
> depends a bit on whether the reclaim components are from a separarate
> repository or not. I would follow the general plan we have for GNU Taler:
> * The major version (i.e. 0.11 for GNUnet) should indicate API and
>   protocol compatibility. So reclaim (or components) would say they
>   need GNUnet 0.11.  This would be what you would consider the 'stable'
>   basis.  CI tests should run against it, as well as 'master'.
> * Other repositories (gnunet-gtk, reclaim components, secushare UIs,
>   gnunet-fuse) can then make *independent* point releases, but they
>   should be numbered based on the GNUnet major version they require,
>   i.e. gnunet-gtk 0.11.1, gnunet-gtk 0.11.2, etc.
> * For updates to parts that are part of the GNUnet "core" (say
>   API&protocol compatible improvements to transport/cadet/fs), we would
>   similarly make gnunet 0.11.{1,2,3}, but this should "guarantee" that
>   say gnunet-gtk 0.11.1 works with gnunet (core) 0.11.3.
> Which brings up a good point: if for some application (say reclaimID)
> the release schedule is completely different (usually: way more
> frequent), it might make sense to split it off --- or increase the
> 'core' release frequency.
> Note that I am talking about *source* releases here, as developers
> should IMO release *source*, not binaries or VM images.
> > I mean, currently I provide an out-of-the-box client with a docker image 
> > that runs GNUnet in a configuration that is most sensible for reclaim.
> No, that's horrible. The main release should be a source release,
> packaging into particular containers, VMs or operating systems should
> never be the _primary_ release mechanism. That's almost worse than the
> idea of us primarily offering DEBs for download --- and thus effectively
> not supporting RPM or Guix. Sure, providing binary packages or images
> *in addition* is OK, but IMO not as the primary release mechanism.
> > But the architecture of gnunet actually calls more for a GNUnet "app" store 
> > for a platform (GNUnet core,transport,gns,cadet et al) with a bunch of apps 
> > (fs, social, reclaim).
> > Now, ideally I would work with packages in a reclaim installer, i.e.
> > 
> > - check if gnunet-core is installed, if not install
> > - check if gnunet-reclaim is installed, if not install
> > - profit.
> Well, Guix, RPM and DEB all offer this very easily, you just specify the
> dependency. Now, how to build a single gnunet-reclaim package from your
> 5-6 separate Git repositories and (presumably) source TGZ releases is
> beyond me, but I'm not the one who atomized the reclaim sources ;-).
> > I mean, what exactly do you expect a package maintainer to do? Have 
> > separate packages for fs/social/reclaim? One huge package that depends on 
> > everything?
> I expect *good* package maintainers to split up our monolith into
> separate packages with proper dependencies (which we might document
> better for them, but that's another story).  More importantly, there
> wouldn't be simply gnunet-core, but more like:
> gnunet-core requires gnunet-db
>   gnunet-db is provided by
>     gnunet-mysql
>     gnunet-sqlite
>     gnunet-postgres
> gnunet-fs requires gnunet-core
> gnunet-fs-gtk requires gnunet-fs and gnunet-gtk-core
> gnunet-reclaim requires gnunet-core
> gnunet-secushare might require gnunet-experimental (multicast, psyc) OR
>         that might be part of gnunet-core
> gnunet-namestore-gtk requires gnunet-gtk-core
> ...
> Furthermore, I expect that there will be distributions that do not break
> it up so much, maybe even to the point of shipping one big monolith
> which drags in 1 GB of dependencies. But that's the *distributions*
> choice, how many packages they want, what audience they target (our
> users have huge disks and do not want 100000+ packages vs. our
> distribution targets embedded systems and we try to atomize vs. our
> distribution separates resource files that are architecture-independent
> into a -noarch dependency) --- there are so many trade-offs here, I
> would not even want to be involved in that discussion.
> And yes, IMO in extreme cases some distribution might ship every app as
> a Docker image (openoffice-docker, gnome-docker, firefox-docker,
> emacs-docker, reclaim-docker).  IIRC QubesOS is going in that direction ;-)

*We* have define what it should look like. *We* have to set the
expected results. *We* have to say, this is how gnunet should
look like. Every deriviation from what we say in the official
installation methods is without warranty. Every good packaging
system in an OS closely follows downstream (= us).
We have to provide choice or document a way to build a recommended
gnunet release. Never expect distributors to handle this properly
on their own. It took way to long to split up TexLive, and that's
still being done inofficial with everyone following a different

> > If yes, then how would the build look like? Do they have to "fully" build 
> > gnunet 3 times and cherry pick binaries? Do they have separate the build by 
> > hand because we build everything or nothing?
> It *should* suffice to build "everything" once, and then cherry pick
> binaries and/or resource files, simply because we have linked things
> _properly_ and use plugins where appropriate, so you can separate
> binaries related to sqlite from those related to postgres easily, while
> building both at the same time. The same holds for virtually everything
> else, including internal dependencies. So yes, distributors should just
> turn on everything, build everything once, but then have to cherry pick
> binaries by hand. But while we can provide guidance on the cherry
> picking, I don't think we can do away with it at the exact grouping
> depends on the distro's philosophy.

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