File _service of Package npm

<services>
  <service name="tar_scm">
    <param name="url">https://github.com/isaacs/npm.git</param>
    <param name="scm">git</param>
    <param name="versionprefix">1.0</param>
  </service>
  <service name="set_version"/>
  <service name="recompress">
   <param name="file">*.tar</param>
   <param name="compression">gz</param>
  </service>
</services>