I want it to be clear that the _only_ thing I asked for was that the
Aether API/SPI _specification_ be hosted in a neutral location where
Maven committers can contribute to the design.
Let me emphasize that: API/SPI only, and in a neutral location. The
Maven project is not what I'd call "neutral" here.
If, as you claim, the API is set, then we're only talking about the
future here. We're talking about having open discussions where people
can have a real vote on new features in the API/SPI.
I believe I'm sufficiently grateful to Benjamin, Kristian, and the
others for implementing this. From what I can see, it looks like a
really good way to go, and I have no doubt the code is excellent. And,
the implementation can live in Timbuktu as far as I'm concerned. I have
no doubt that you'll publish it so others can use it...as you say,
that's the whole point.
The _only_ thing I want for my vote to integrate is that we can make
this API/SPI a standard set of interfaces by making it its own project
somewhere that Maven committers can get automatic access...and then
leaving it there. If that's not ASF, I have no problem with that. But I
think Maven committers should have the automatic ability to participate
in shaping the Maven's contract with the repository into the future.
This is a critical piece to Maven, and TBH _not_ having this access may
be part of why projects like Ivy won't use the Maven repository
code...they aren't represented in the decision-making process.
On 8/4/10 12:57 PM, Jason van Zyl wrote:
On Aug 4, 2010, at 11:54 AM, John Casey wrote:
Having a stable set of specifications define their interaction with Maven would
make plugin development and embedding MUCH better. In fact, I think
establishing this practice might be the single best contribution we can make to
Maven in the near term.
All due respect, but that dodges the question of separating and standardizing
the API from the implementation. It also dodges the discussion about who sets
the design of the repository format and the API spec used to access it.
To me that's sounds like a bunch of busy work without much value. It works, and
it's going to evolve by having people use it. The ultimate API will never be
arrived at without lots of integrators. That's how everything evolves.
You're asking the Maven community to give up one of its greatest creations -
the repository format that has become a de facto standard - and become
completely dependent on a project whose future may be uncertain. It's easy to
talk about companies as these fixtures in the market, but the fact is we're
talking about giving complete control over the Maven repository API / format to
a start-up.
I can't make you, or anyone else, do anything you don't want to do. Vote
against it, implement your own library, I'm not putting a gun to your head.
I've done what I feel is best, I've laid out what I think is best. You can
disagree and take action accordingly.
Start-ups are not known for their stability. Then, the company in control _may_
decide (unilaterally) to move the whole shebang to Eclipse. There's absolutely
no role for Maven developers in this model, unless they go out and re-establish
their merit on a new project.
First, the code is ASL so if we rolled over tomorrow then take it. That's
really not a problem. Second, yes we created it so if we want to take it to
Eclipse we can do that. People who do the work get to make choices like that.
Eclipse is solid place to do OSS work.
I'm tired of the endless debates about infrastructure, release process, using
git, and I honestly think Aether not being here is the best thing for getting
others involved.
I'm not talking about the merit to contribute implementation details - though
the ASF concept of non-expiring merit argues strongly against losing access to
that. What I'm talking about is the right to contribute to the design of the
repository format, API, and SPI (now that I notice that's separate from the
API). The language we use to share artifacts and metadata should not be under
the sole control of a private entity.
That honestly has nothing to do with where the code is. If we shut everyone
out, we'd just be shooting ourselves in the face and ruin any reputation we
have of being meaningful contributors to the Maven ecosystem. That doesn't do
Sonatype any good. The argument that the only place that can be done is simply
not true.
Sure, there haven't been too many contributors to Maven 3. But how much of that
has to do with the velocity of work done and paid for by Sonatype,
It has a great deal to do with that. No one can keep up with full-time people
but that doesn't mean contributions should fall off to zero which is what's
pretty much happened. Kristian and Olivier being the exceptions.
the dramatic and repeated shift in direction by those paid contributions
(mercury for example),
That was not a dramatic shift at all. We attempted to make an artifact
resolution API and the first attempt failed. No shift, a second more successful
attempt.
the need to chase code from SVN to GitHub, to still other GitHub repositories,
and the lack of discussion of the design of any of it?
It was not developed here, you do not have to accept it. I posit we would have been in endless debate, no one would have contributed and we'd be in the same boat. My conjecture possibly, but no different then your view which is also conjecture. The fact is right now we have a working library and a way forward. Anyone here who feels I'm limited their choice can blame themselves for not participating previously. Yes, I felt it would be more expedient to just do it because this project needs to get on the rails again and I believe this is one of the critical steps. Aether was implemented in a very short period of time. There's code there, it works and now people can provide feedback. I honestly feel that works better. Yes I told some people about it and not others and that was purely a judgement I made based on what people have been contributing lately. That's why I didn't develop here because that mode of operation is looked dimly upon here so I didn't do it here. And I want
the velocity to continue, and that just is not going to happen here based on my
cumulative experience of over 10 years here. I wanted to try something
different and this is the result. You may not like it, you don't have to agree,
but you can't make me do what you feel is right.
It makes me uneasy to see how much this has become a skunkworks type of
project, where much of the development takes place behind closed doors and then
gets dumped on the Maven community.
You're entitled to your point of view. I'm interested at this point in the
efficacy of execution and the survival of the project. Not whether everyone has
the warm fuzzies. Apart from the Maven 1.x to Maven 2.x I've tried not to fuck
users and doing so now wouldn't serve my commercial or non-commercial efforts.
Maven contributors established the foundational concepts (and code, from what I
can tell) for Aether; Aether is a refactoring of that essential design and
format. If you expect Maven to use Aether, then the Maven community deserves
some say in the future of the format and API. That's my opinion.
Just because the code base is not here does not stop you from participating. I
think that's just something you're going to have to reconcile yourself to. I
believe the code needs a chance to live outside these walls. And Aether is a
very different design, sure it borrows things from all over the place including
here but it's definitely not a refactoring.
There isn't just the Apache Way and nothing else. As I've stated before Maven 3.0 is an
effort at backward compatibility with a way forward. We have not gone and secretly and
radically changed Maven and dropped Maven 4 in your laps. We made a library, yes an
important one, but it's a library nonetheless. I've said that all new features developed
in the core and that's not going to change. And guess what? There are no new features and
we've basically be doing the shit work of writing tests for 2 years that no one has
helped with. We made Aether and made it compatible, turfed Plexus to be more sensitive to
users being confronted with my one-off IoC and made it work with all existing code. I
don't think anyone understands how much work that was. The project would never move
forward and it would be in a "good enough" state which would leave it to be
trampled by the competition. I'm just not going to let that happen. Some work like what
we've done is just never going to happen h
ere, and it's definitely not going to happen without millions of dollars of
concerted effort. Which is where Sonatype is at this point. I love that I've
been fortunate enough to provide the work that's been done. It was the exact
same thing with Maven 2.x. If I hadn't start Mergere do you think Maven 2.x
would exist? I honestly doubt it. I try to balance what I think is necessary,
and what I can reasonably do at Apache and when what I think needs to be done
falls outside of those parameters I opt out instead of trying to force my
opinions on everyone here.
There are things I believe work best here, like when we start discussion
outward facing features for Maven 3.1. I don't think that can happen any place
but here with a lot of discussion as painful as I think that's going to be this
is the right place to do that. For the bits that are really, really hard
require dedicated people, talking on the phone 5 times a day and pretty much
every other violation of what would be considered the Apache Way. Every
commercial company involved here probably does lots of things like we do but
they don't attempt to contribute it back. I don't want a disparity in my
working life where the OSS stuff I work on is good enough and then I have to
build around it to make something great on the commercial side. I want Maven to
be great and this is how I approach it.
I'm doing what I think is best for Maven users. If you disagree I'm not going
to fault you, and I encourage you to do what you think is right. I wouldn't ask
anything less of anyone involved here.
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Thanks,
Jason
----------------------------------------------------------
Jason van Zyl
Founder, Apache Maven
http://twitter.com/jvanzyl
---------------------------------------------------------
happiness is like a butterfly: the more you chase it, the more it will
elude you, but if you turn your attention to other things, it will come
and sit softly on your shoulder ...
-- Thoreau
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