catalog.xml

<catalog>
  <catalogItems>    
    <catalogItem>
      <categoryId>org.eclipse.m2e.discovery.category.scm</categoryId>
      <description>Maven SCM Handler for CVS</description>
      <groupId>extras</groupId>
      <id>org.eclipse.m2e.discovery.lifecyclemapping.m2e-cvs</id>
      <kind>extras</kind>
      <license>EPL</license>
      <name>m2e-cvs</name>
      <provider>Sonatype, Inc.</provider>
      <p2>
        <repositoryUrl>https://repository.sonatype.org/content/sites/forge-sites/m2eclipse-cvs/0.13.0/N/0.13.0.201106260822/</repositoryUrl>
        <iuId>org.sonatype.m2e.cvs.feature.feature.group</iuId>
      </p2>
      <overview>
        <summary>Maven SCM Handler for CVS</summary>
        <url>https://github.com/sonatype/m2eclipse-cvs</url>
      </overview>
    </catalogItem>
  </catalogItems>
</catalog>