Execute Maven plugin goal on parent module, but not on children

Question

We have a multi-module maven project that uses a profile that defines a buildnumber-maven-plugin to increment a build number and then check it into source control.

I

Answer 1

If the plugin is custom one and you have access to plugin MOJO code, you can mark the plugin as aggregator; if the expected behavior is applicable for all projects where plugin is to be used.

As mentioned in Mojo API Specification ,

Flags this Mojo to run it in a multi module way, i.e. aggregate the build with the set of projects listed as modules.

Example,

@Mojo(name = "createHF", inheritByDefault = false, aggregator = true)
public class CreateHFMojo extends AbstractMojo {

..

public void execute() throws MojoExecutionException, MojoFailureException {
 ....
}

..

}

Detailed example on github.