Roy Teeuwen created MNG-7772:
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Summary: Allow to register maven core extension in .m2 folder
instead of MAVEN_HOME
Key: MNG-7772
URL: https://issues.apache.org/jira/browse/MNG-7772
Project: Maven
Issue Type: Improvement
Reporter: Roy Teeuwen
Currently the way to register a maven core extension is described here:
[https://maven.apache.org/guides/mini/guide-using-extensions.html]
Namely the following ways are supported:
* Registered via extension jar in {{${maven.home}/lib/ext}}
* Registered via CLI argument {{mvn -Dmaven.ext.class.path=extension.jar}}
* Registered via [{{.mvn/extensions.xml}}
file|https://maven.apache.org/configure.html#mvn-extensions-xml-file]
The downside of this is that the ${maven.home} directory is not something that
you should touch, seeing as with every update of maven (through for example
homebrew), it will replace the directory with the new version, making it
required to manually re-register the core extension by dragging the jar in
/lib/ext.
My proposal is to also make it possible to register the extension through the
${user.home}/.m2 folder. This could for example be by also allowing the
extensions.xml in the .m2 folder or by creating an ext folder in the .m2 folder.
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