class Puma::Binder

def synthesize_binds_from_activated_fs(binds, only_matching)

It's a noop if no activated sockets were received.

socket is removed in place.
When only_matching is true in, all binds that do not match an activated

activated sockets. Any existing matching binds will be respected.
binds in sync. This method can synthesize any binds based on the received
When systemd socket activation is enabled, it can be tedious to keep the

Synthesize binds from systemd socket activation 
def synthesize_binds_from_activated_fs(binds, only_matching)
  return binds unless activated_sockets.any?
  activated_binds = []
  activated_sockets.keys.each do |proto, addr, port|
    if port
      tcp_url = "#{proto}://#{addr}:#{port}"
      ssl_url = "ssl://#{addr}:#{port}"
      ssl_url_prefix = "#{ssl_url}?"
      existing = binds.find { |bind| bind == tcp_url || bind == ssl_url || bind.start_with?(ssl_url_prefix) }
      activated_binds << (existing || tcp_url)
    else
      # TODO: can there be a SSL bind without a port?
      activated_binds << "#{proto}://#{addr}"
    end
  end
  if only_matching
    activated_binds
  else
    binds | activated_binds
  end
end