gentoo-overlay/app-arch/snappy/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
	<!-- maintainer-needed -->
	<longdescription lang="en">Snappy is a compression/decompression library. It does not aim for
		maximum compression, or compatibility with any other compression
		library; instead, it aims for very high speeds and reasonable
		compression.</longdescription>
	<upstream>
		<remote-id type="github">google/snappy</remote-id>
	</upstream>
</pkgmetadata>