gentoo-overlay/sci-calculators/galculator/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
	<maintainer type="project">
		<email>gnome@gentoo.org</email>
		<name>Gentoo GNOME Desktop</name>
	</maintainer>
	<upstream>
		<remote-id type="github">galculator/galculator</remote-id>
		<remote-id type="sourceforge">galculator</remote-id>
	</upstream>
</pkgmetadata>