require "formula"

class Xplanetfx < Formula
  homepage "http://mein-neues-blog.de/xplanetFX/"
  url "http://repository.mein-neues-blog.de:9000/archive/xplanetfx-2.6.6_all.tar.gz"
  sha256 "59c49af68b6cafcbe4ebfd65979181a7f1e4416e024505b5b0d46f1cc04b082a"
  version "2.6.6"

  bottle do
    cellar :any
    sha256 "ec54be513691a25a873f0f59da03a20843670885bac4c2626a526a5e57c2e501" => :yosemite
    sha256 "61be399a9f715a4541592e819963d24d41d739b9f57a6fc5f012fc4802627dda" => :mavericks
    sha256 "37b09a20a17d6e713a662a83c5e17c782a25af167b0b2ac161c48b0bd3b1b9e0" => :mountain_lion
  end

  option "without-gui", "Build to run xplanetFX from the command-line only"
  option "with-gnu-sed", "Build to use GNU sed instead of OS X sed"

  depends_on "xplanet"
  depends_on "imagemagick"
  depends_on "wget"
  depends_on "coreutils"
  depends_on "gnu-sed" => :optional

  if build.with? "gui"
    depends_on "librsvg"
    depends_on "pygtk" => "with-libglade"
  end

  skip_clean "share/xplanetFX"

  def install
    inreplace "bin/xplanetFX", "WORKDIR=/usr/share/xplanetFX", "WORKDIR=#{HOMEBREW_PREFIX}/share/xplanetFX"

    prefix.install "bin", "share"

    path = "#{Formula["coreutils"].opt_libexec}/gnubin"
    path += ":#{Formula["gnu-sed"].opt_libexec}/gnubin" if build.with?("gnu-sed")
    if build.with?("gui")
      ENV.prepend_create_path "PYTHONPATH", "#{HOMEBREW_PREFIX}/lib/python2.7/site-packages/gtk-2.0"
      ENV.prepend_create_path "GDK_PIXBUF_MODULEDIR", "#{HOMEBREW_PREFIX}/lib/gdk-pixbuf-2.0/2.10.0/loaders"
    end
    bin.env_script_all_files(libexec+'bin', :PATH => "#{path}:$PATH", :PYTHONPATH => ENV["PYTHONPATH"], :GDK_PIXBUF_MODULEDIR => ENV["GDK_PIXBUF_MODULEDIR"])
  end

  def post_install
    if build.with?("gui")
      # Change the version directory below with any future update
      ENV["GDK_PIXBUF_MODULEDIR"]="#{HOMEBREW_PREFIX}/lib/gdk-pixbuf-2.0/2.10.0/loaders"
      system "#{HOMEBREW_PREFIX}/bin/gdk-pixbuf-query-loaders", "--update-cache"
    end
  end
end