class RdiffBackup < Formula
  desc "Backs up one directory to another--also works over networks"
  homepage "http://rdiff-backup.nongnu.org/"
  url "http://savannah.nongnu.org/download/rdiff-backup/rdiff-backup-1.2.8.tar.gz"
  sha256 "0d91a85b40949116fa8aaf15da165c34a2d15449b3cbe01c8026391310ac95db"

  depends_on "librsync"

  def install
    # Find the arch for the Python we are building against.
    # We remove 'ppc' support, so we can pass Intel-optimized CFLAGS.
    archs = archs_for_command("python")
    archs.remove_ppc!
    archs.delete :x86_64 if Hardware.is_32_bit?
    ENV["ARCHFLAGS"] = archs.as_arch_flags
    system "python", "setup.py", "--librsync-dir=#{prefix}", "build"
    libexec.install Dir["build/lib.macosx*/rdiff_backup"]
    libexec.install Dir["build/scripts-*/*"]
    man1.install Dir["*.1"]
    bin.install_symlink Dir["#{libexec}/rdiff-backup*"]
  end
end