Gump and Maven

["Adam R. B. Jack" <aj...@trysybase.com>]

Hello,

I've long heard "that Gump can't *yet* run Maven", and the emphasis is
always on the yet. I'm assisting with a re-work of Gump (into Python) and
I'm curious whether making Gump run Maven is practical. If it is, and folks
here
are game to try, maybe I can look into coding the Gump side.

I've seen other folks try having the build tool [and all it's components] be
built by Gump, and then the build tool used to build other Gump tasks.
Clearly it works for ant, however ant is pretty stable these days and (at
core) has few dependencies. That said, even ant has a bootstrap issue.
Could Maven be built from ant builds of it's sub-components? Would it be a
stable stack?

The problem comes when the build tool is sufficiently dependent on a stack
of
sub-components, that any instabilities in that stack cause the build tool
not to
build, and hence cause the dependee projects not to get Gumped. This means
that dependee projects loose valuable chances at spotting a glitch in their
runtime
dependencies. This could be a big negative, and maybe even enough reason to
keep things as they are. [Gump builds/test don't have to be full
distribution builds, just enough to compile/test interfaces, so maybe don't
need fancier features Maven has, not sure...]

Also, I assume that Maven uses the POM in order to manage the classpath for
builds. Ant allows the environment to take control, overriding the ant
script.
[See: http://ant.apache.org/manual/sysclasspath.html] Does Maven have any
such concept?

Anybody here able to shed further light on this matter? What would you guys
like to see done, and how?

regards,

Adam
--
Experience Sybase Technology...
http://www.try.sybase.com

Re: Gump and Maven

[Jason van Zyl <jv...@maven.org>]

On Tue, 2003-11-25 at 18:28, Adam R. B. Jack wrote:
> Hello,
> 
> Also, I assume that Maven uses the POM in order to manage the classpath for
> builds. Ant allows the environment to take control, overriding the ant
> script.
> [See: http://ant.apache.org/manual/sysclasspath.html] Does Maven have any
> such concept?

http://maven.apache.org/reference/user-guide.html#Overriding%20Stated%20Dependencies

So you could generate a project-level build.properties file consisting
of dependencies that Gump generated.

> Anybody here able to shed further light on this matter? What would you guys
> like to see done, and how?
> 
> regards,
> 
> Adam
> --
> Experience Sybase Technology...
> http://www.try.sybase.com
> 
> 
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jvz.

Jason van Zyl
jason@zenplex.com
http://tambora.zenplex.org

In short, man creates for himself a new religion of a rational
and technical order to justify his work and to be justified in it.
  
  -- Jacques Ellul, The Technological Society


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