cookbooks/fb_apt/templates/default/apt.conf.erb

// This file is maintained by Chef. Do not edit, all changes will be
// overwritten. See fb_apt/README.md
<% node['fb_apt']['config'].to_hash.each do |key, val| -%>
<%=  FB::Apt._gen_apt_conf_entry(key, val) %>
<% end -%>