brew install rsync 3.1.0

rsync.rb

require 'formula'

class Rsync <Formula
  url 'http://rsync.samba.org/ftp/rsync/src/rsync-3.1.0.tar.gz'

  homepage 'http://rsync.samba.org/'
  md5 '3be148772a33224771a8d4d2a028b132'

  def install
    system "./configure", "--prefix=#{prefix}",
                          "--disable-debug",
                          "--with-rsyncd-conf=#{prefix}/etc/rsyncd.conf",
                          "--enable-ipv6"
    system "make install"
  end
end