No it will not, but it will allow you to package, install and deploy a Maven 1.x plugin using Maven 2.
deploy:deploy-filewith repositoryLayout set to legacy?
If you'd use
deploy:deploy-file then you'd need to
configure the file, groupId, artifactId, version for it, whereas with
this plugin you don't need to configure anything but the repository,
as it gets the rest from the pom. It's more like
deploy:deploy than it is