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

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
	<maintainer type="person" proxied="yes">
		<email>pastalian46@gmail.com</email>
		<name>Takuya Wakazono</name>
	</maintainer>
	<maintainer type="project" proxied="proxy">
		<email>proxy-maint@gentoo.org</email>
		<name>Proxy Maintainers</name>
	</maintainer>
	<upstream>
		<remote-id type="github">rpm-software-management/rpm</remote-id>
	</upstream>
	<use>
		<flag name="sequoia">Use <pkg>app-crypt/rpm-sequoia</pkg> instead of the deprecated internal parser</flag>
	</use>
</pkgmetadata>