Allow multiple local repositories
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Key: MNG-3655
URL: http://jira.codehaus.org/browse/MNG-3655
Project: Maven 2
Issue Type: New Feature
Reporter: Ittay Dror
In some environments, branches are rarely used. This means that if a developer
wishes to work in parallel on two features, he checks out HEAD into two
different locations. The problem is that using 'mvn install' in one checkout
will overwrite the result of 'mvn install' in another. Of course one can write
poms so that the version contains some classifier and then use 'mvn
-Dartifact-classifier=first-checkout install', or, read from a file. Both are
tedious.
Instead, it would be good to be able to tell maven to first consider some path
under the checkout before trying a global local repository (for external
artifacts).
To make this work when running mvn from a module subdir, maybe allow to write
settings.xml in the root directory of the checkout. Then, maven should climb
the directory structure until locating settings.xml (or reaching the global
root directory) and read there. Using settings.xml in such a way has other
benefits that it can be under version control. settings.xml will then be able
to specify a list of local repositories, some absolute paths, some relative to
it.
Another approach could be to allow this list of local repositories in the
global settings.xml file and have an entry in each module's pom indicating
where it is relative to the local repository (like the parent path attribute)
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