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http://jira.codehaus.org/browse/MWAR-97?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on MWAR-97 started by Stephane Nicoll.
> War plugin and Overlays handling
> --------------------------------
>
> Key: MWAR-97
> URL: http://jira.codehaus.org/browse/MWAR-97
> Project: Maven 2.x War Plugin
> Issue Type: New Feature
> Affects Versions: 2.0, 2.0.1, 2.0.2, 2.0.3
> Reporter: Piotr Tabor
> Assignee: Stephane Nicoll
> Attachments: MWAR-97.diff
>
>
> Piotr and I are currently working on the war plugin and especially
> this overlay mechanism that needs to be upgraded. Currently a couple
> of issues [1] in the war plugin are linked to this functionality and
> we should really address them.
> The idea here is to provide a better way to handle overlays through an
> explicit configuration. An overlay has the following parameters:
> * groupId
> * artifactId
> * classifier (optionnal)
> * includes (default includes everything)
> * excludes (default META-INF)
> The order in which overlays are specified defined the order in which
> they are applied. An overlay without a groupId/artifactId is
> considered as the current build. If no such overlay is defined, it is
> applied first.
> The behavior should be deterministic so the copy will happen not
> matter how if a file is newer than the one being applied. Overlays
> use a first win strategy.
> If no overlays section is defined, the wars are processed as before;
> dependentWarIncludes and dependentWarExcludes are honored. If an
> overlays section is defined and those configuration items are defined,
> they are ignored and a warning is logged.
> If a dependent war is missing in the overlays section, it's applied
> after custom overlays with the default includes/excludes.
> Does that sounds ok to you? If so I'll add the proposition to the war
> site and start the implementation with Piotr. We're also thinking
> about integrating the merge functionality of the cargo plugin but we
> still need to discuss with the cargo guys if it will be feasible.
> Please comment.
> Stéphane
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