[MPH-168] effective pom should support multi-module project

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@mthmulders is already working on this.

Since Jun 14, 2025.

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Description

enhancement priority:major

Or Shachar opened MPH-168 and commented

I need to get effective pom of all modules in my multi-module project. Today this requires me to discover all modules manually and run effective pom on each of them.

For multi-module projects it would be great if I can run effective pom from top level and get an effective pom written to ${project.build.directory}/effective-pom.xml of each module. 

Since effective-pom does not write to file by default maybe a reasonable usage would be to run:

mvn help:effective-pom -Doutput=target/effective.pom.xml

 

Maybe helpful: mvn dependency plugin lets you do it (with goals "list" or "collect").

 

Affects: 3.2.0

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