Implement pluginXml parameter for maven-plugin-plugin
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Key: MPLUGIN-146
URL: http://jira.codehaus.org/browse/MPLUGIN-146
Project: Maven 2.x Plugin Tools
Issue Type: New Feature
Components: Plugin Plugin
Affects Versions: 2.5
Reporter: John Casey
Priority: Critical
Fix For: 2.5.1
This is admittedly an edge case, but we have had it come up before...
QDox doesn't store annotation information in binaries, which means that mojos
inheriting from another mojo in a different plugin have no way to express the
mojo parameters inherited from the parent class. The plugin.xml files are not
merged in any way. This leaves hand-authoring plugin.xml files as the only
option for such cases.
Since we've just changed the behavior of the plugin-plugin in MPLUGIN-106 to
throw an exception if no mojos are detected (as opposed to simply printing a
warning), this last-ditch option is no longer available for users.
We should provide a new parameter in the plugin-plugin called something like
'pluginXml' which simply circumvents all mojo detection logic and instead uses
the supplied file as the plugin descriptor. This is sort of a nuclear option,
but it allows advanced plugin developers the flexibility to extend other
plugins, or basically do whatever they need to do. Testing is up to the
developer when they take this option, of course, to ensure that the defined
mojos can actually be loaded and used.
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