require "formula"

class Lrzip < Formula
  desc "Compression program with a very high compression ratio"
  homepage "http://lrzip.kolivas.org"
  url "http://ck.kolivas.org/apps/lrzip/lrzip-0.621.tar.bz2"
  sha1 "9c33f6458d39443dbf71b5c66820d4d653daf3c0"

  bottle do
    cellar :any
    sha256 "be8250575e5bb6b3e322d9ca26f333c2918668672349e8f3a489c7d1ddbc4c30" => :yosemite
    sha256 "188a28b951eda33fc61bb166a2dd0ab44990d471535e746eadaf9ba8ad095cb5" => :mavericks
    sha256 "1a36857c2c25388efe5fd26b52bb7501084ef2b0d94dec353debf14222f9a849" => :mountain_lion
  end

  depends_on "pkg-config" => :build
  depends_on "lzo"

  def install
    system "./configure", "--disable-dependency-tracking",
                          "--prefix=#{prefix}"
    system "make"
    system "make", "install"
  end

  test do
    path = testpath/"data.txt"
    original_contents = "." * 1000
    path.write original_contents

    # compress: data.txt -> data.txt.lrz
    system bin/"lrzip", "-o", "#{path}.lrz", path
    path.unlink

    # decompress: data.txt.lrz -> data.txt
    system bin/"lrzip", "-d", "#{path}.lrz"
    assert_equal original_contents, path.read
  end
end