gentoo-overlay/app-text/glark/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
  <maintainer type="project">
    <email>shell-tools@gentoo.org</email>
    <name>Gentoo Shell Tools Project</name>
  </maintainer>
  <use>
    <flag name="zip">Support for ZIP files using <pkg>dev-ruby/rubyzip</pkg></flag>
  </use>
  <upstream>
    <remote-id type="github">jpace/glark</remote-id>
  </upstream>
</pkgmetadata>