improved control over the repositories in the POM
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         Key: MNG-2381
         URL: http://jira.codehaus.org/browse/MNG-2381
     Project: Maven 2
        Type: Improvement

  Components: Design, Patterns & Best Practices, Artifacts and Repositories  
    Reporter: Brett Porter


some discussion: 
http://mail-archives.apache.org/mod_mbox/maven-users/200510.mbox/[EMAIL 
PROTECTED]

some questions raised by Chris Berry in relation to this:
Let's take, for example, repos defined in settings.xml, in a parent POM, a 
grandparent POM, and in the local POM . So for this case, what is
The precedence level (if any) ??
The search order of hierarchies??
Are they additive??
Can they be masked??
How can one disable SNAPSHOTs completely ??
There are times, mostly when cutting a Release, when you want to be very sure 
that you are not using any SNAPSHOTs. How does one accomplish this??
So can one then mask all repos except those seen in settings.xml??

These need to be defined and documented as at present, however I believe this 
yields the need for more control, particularly with relation to the latter 
requests. Snapshot repositories should not be used in a release build, which it 
would be good to define as building something that is not a snapshot rather 
than tying it to the performRelease flag and the release plugin (or imply the 
perform release plugin under these conditions regardless of the plugin being 
used).

It would be good to better mirror the repositories, and perhaps use the same 
pattern to control this from the user end (so settings.xml might always use a 
mirror for a given repository, block another one, and do these things under a 
profile in some circumstances).

I also have the overall goal of reducing traffic, so perhaps we need to group 
dependencies under a particular repository too. I think this is filed 
separately.


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