gentoo-overlay/app-backup/dirvish/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
	<!-- maintainer-needed -->
	<longdescription lang="en">Dirvish is a fast, disk based, rotating network
		backup system. With dirvish you can maintain a set of complete images 
		of your filesystems with unattended creation and expiration. A dirvish 
		backup vault is like a time machine for your data.
	</longdescription>
</pkgmetadata>