class Librsvg < Formula
  homepage 'https://live.gnome.org/LibRsvg'
  url 'http://ftp.gnome.org/pub/GNOME/sources/librsvg/2.36/librsvg-2.36.3.tar.xz'
  sha256 '3d7d583271030e21acacc60cb6b81ee305713c9da5e98429cbd609312aea3632'
  revision 1

  bottle do
    cellar :any
    sha1 "16b3c1e1e2f2662e837a223b5534d8d2c2f77a17" => :yosemite
    sha1 "6d3306b10ca89f4c7ba0a68f240a8bbba197e90d" => :mavericks
    sha1 "ab5c9bcad344e53fc5f6c53af902971ec1a9505e" => :mountain_lion
  end

  depends_on "pkg-config" => :build
  depends_on "cairo"
  depends_on "gdk-pixbuf"
  depends_on "glib"
  depends_on "gtk+" => :recommended
  depends_on "gtk+3" => :optional
  depends_on "libcroco"
  depends_on "libgsf" => :optional
  depends_on "pango"
  depends_on :x11 => :recommended

  def install
    args = ["--disable-dependency-tracking",
            "--prefix=#{prefix}",
            "--disable-Bsymbolic",
            "--enable-tools=yes",
            "--enable-pixbuf-loader=yes",
            "--enable-introspection=no"]

    args << "--enable-svgz" if build.with? 'libgsf'

    system "./configure", *args
    system "make", "install",
      "gdk_pixbuf_binarydir=#{lib}/gdk-pixbuf-2.0/2.10.0/loaders",
      "gdk_pixbuf_moduledir=#{lib}/gdk-pixbuf-2.0/2.10.0/loaders"
  end

  def post_install
    # librsvg is not aware GDK_PIXBUF_MODULEDIR must be set
    # set GDK_PIXBUF_MODULEDIR and update loader cache
    ENV["GDK_PIXBUF_MODULEDIR"] = "#{HOMEBREW_PREFIX}/lib/gdk-pixbuf-2.0/2.10.0/loaders"
    system "#{Formula["gdk-pixbuf"].opt_bin}/gdk-pixbuf-query-loaders", "--update-cache"
  end
end