How to invoke mvn to not do the reactor build?

[Christian Goetze <ch...@sensage.com>]

Is there an option to disable the reactor build when invoking maven from 
the project parent? All I want is the installed pom, nothing else.

Background:

I need to embed maven into a larger build system, and I would like to be 
more specific about which parts of a project need rebuilding. My plan is 
therefore to generate dependencies from the pom.xml files and to have my 
build system invoke maven directly in the module subdirs. The subdir 
builds require that the parent pom.xml be installed. I can live with 
that as long as that is the only thing that happens.

The reason I wish to be specific is to support incremental product 
builds and tests. I don't want every change to the java source to 
trigger all java related rebuilds, packings, installs and test runs, but 
only the ones specifically including the derived objects generated by 
the change.

As it turns out, it is probably not a big deal if there is no way to 
disable the reactor build, since the parent pom.xml will only be out of 
date when it changes, in which case everything needs to be rebuilt 
anyway. The only issue is that in my scenario, maven will end up 
scanning every module tree at least twice...
--
cg

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Re: How to invoke mvn to not do the reactor build?

[Wendy Smoak <ws...@gmail.com>]

On 12/12/06, Christian Goetze <ch...@sensage.com> wrote:

> Is there an option to disable the reactor build when invoking maven from
> the project parent? All I want is the installed pom, nothing else.

$ mvn -help
...
-N, --non-recursive    Do not recurse into sub-projects

So 'mvn install -N' will install just the top-level project, which in
your case is the parent pom.

-- 
Wendy

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