gentoo-overlay/app-containers/apptainer/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
	<maintainer type="person">
		<email>marecki@gentoo.org</email>
		<name>Marek Szuba</name>
	</maintainer>
	<use>
		<flag name="network">Install network plug-ins</flag>
		<flag name="suid">Install SUID helper binary</flag>
	</use>
	<upstream>
		<remote-id type="github">apptainer/apptainer</remote-id>
	</upstream>
</pkgmetadata>