File _service of Package mercurial
<services>
<service name="download_url">
<param name="protocol">http</param>
<param name="host">mercurial.selenic.com</param>
<param name="path">/release/mercurial-1.8.1.tar.gz</param>
</service>
<service name="recompress">
<param name="file">_service:download_url:mercurial-1.8.1.tar.gz</param>
<param name="compression">bz2</param>
</service>
</services>