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From Jason van Zyl <>
Subject [policy] incubating projects and maven repositories v1.0
Date Sun, 27 Aug 2006 16:44:58 GMT

It looks like people objected to creating another mailing list for  
policy so I just used [policy] as Robert did in a previous message.

Henri has setup Maven repositories for the incubator and there is a  
document which is an attempt to describe the current setup here:

I think that everyone agrees that a separate repository for  
incubating projects is a good idea as

1) you can clearly see what incubator artifacts have been created
2) we can perform analysis and create reports for incubator artifacts  
easily (using Archiva, the maven repository manager)
3) separating the administration duties of the incubator repository  
is a good idea I think. This might involve a different instance of  
Archiva and/or different people looking after the respective  

I haven't looked at all the projects using Maven in the incubator but  
cxf, the one I'm most involved with, looks like its settling on  
versions like:


So the repository is clearly separated, and from a dependency element  
in a Maven POM you can clearly see it's an incubator version.

There was discussion that incubator repository would not be sync'd to  
the central repository but I don't really see much point in this. A  
few folks with incubating projects have voiced concerns that they  
don't want to see their projects be taken out of circulation in the  
central repository because they are incubating. If each and every  
incubating project has a version for each artifact like that above  
then it will be fairly clear that it's from the incubator. Moreso  
then if you just had a repository definition pointing at the  
incubator repository.

Also someone may make an repository request to place an incubator  
artifact in the central repository and at this point a policy  
mandated here would conflict with someone's right to redistribute  
artifacts created in the incubator. I don't really want to get into  
the business of policing repository requests. I think it is in the  
best interests of the  incubating projects to have the incubator  
repository sync'd to Maven's central repository. The source of  
artifacts for incubating projects is clear from the version so I  
don't think there will be any confusion by consumers of these  
artifacts and as such I don't really see any downside to allowing the  
sync to Maven's central repository.


Jason van Zyl

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