require "formula"

class Zbackup < Formula
  desc "Globally-deduplicating backup tool (based on ideas in rsync)"
  homepage "http://zbackup.org"
  url "https://github.com/zbackup/zbackup/archive/1.4.1.tar.gz"
  sha1 "6fc5c7f4bb23ce52bd4e14cb9b07c77662e1703c"

  depends_on "cmake" => :build
  depends_on "openssl"
  depends_on "protobuf"
  depends_on "xz" # get liblzma compression algorithm library from XZutils
  depends_on "lzo"

  # These fixes are upstream and can be removed in the next released version.
  patch do
    url "https://github.com/zbackup/zbackup/commit/7e6adda6b1df9c7b955fc06be28fe6ed7d8125a2.diff"
    sha1 "eb03aad6e9c543914a7332b02f277bb76103e1f2"
  end

  patch do
    url "https://github.com/zbackup/zbackup/commit/f4ff7bd8ec63b924a49acbf3a4f9cf194148ce18.diff"
    sha1 "4d8c584e7f35ca2994dc751b8398b0b091119316"
  end

  def install
    system "cmake", ".", *std_cmake_args
    system "make", "install"
  end

  test do
    system "#{bin}/zbackup", "--non-encrypted", "init", "."
    system "echo test | #{bin}/zbackup --non-encrypted backup backups/test.bak"
  end
end