class Libarchive < Formula
  desc "Multi-format archive and compression library"
  homepage "http://www.libarchive.org"
  url "http://www.libarchive.org/downloads/libarchive-3.2.0.tar.gz"
  mirror "https://github.com/libarchive/libarchive/archive/v3.2.0.tar.gz"
  sha256 "7bce45fd71ff01dc20d19edd78322d4965583d81b8bed8e26cacb65d6f5baa87"

  bottle do
    cellar :any
    sha256 "b879b0d6edb301c52a8783f20dc726b4fe3dfca6a8daebe21a83ab09bb0620ff" => :el_capitan
    sha256 "2555e682f3536b83d21ec2dbafd75b9a0d3f8ffa5f2f0d507c1e8a06c8be52f9" => :yosemite
    sha256 "89e3a8d15b848f7ecbf563983d1735317ab448ef5cadad6a1c030df6b230acee" => :mavericks
  end

  keg_only :provided_by_osx

  depends_on "xz" => :recommended
  depends_on "lz4" => :optional
  depends_on "lzop" => :optional

  def install
    system "./configure",
           "--prefix=#{prefix}",
           "--without-lzo2",    # Use lzop binary instead of lzo2 due to GPL
           "--without-nettle",  # xar hashing option but GPLv3
           "--without-xml2",    # xar hashing option but tricky dependencies
           "--without-openssl", # mtree hashing now possible without OpenSSL
           "--with-expat"       # best xar hashing option

    system "make", "install"

    # Just as apple does it.
    ln_s bin/"bsdtar", bin/"tar"
    ln_s bin/"bsdcpio", bin/"cpio"
    ln_s man1/"bsdtar.1", man1/"tar.1"
    ln_s man1/"bsdcpio.1", man1/"cpio.1"
  end

  test do
    (testpath/"test").write("test")
    system bin/"bsdtar", "-czvf", "test.tar.gz", "test"
    assert_match /test/, shell_output("#{bin}/bsdtar -xOzf test.tar.gz")
  end
end