Description of problem: Package eclipse-m2e-core currently Requires or BuildRequires sisu. Currently Fedora ships Sonatype Sisu, but there are plans to migrate to Eclipse Sisu. Because Eclipse Sisu is incompatible with Sonatype Sisu eclipse-m2e-core will likely have to be updated or patched. Version-Release number of selected component (if applicable): 1.4.0-1