xdotool: import from homebrew/x11.

Formula/xdotool.rb

@@ -0,0 +1,28 @@
+class Xdotool < Formula
+  desc "Fake keyboard/mouse input and window management for X"
+  homepage "http://www.semicomplete.com/projects/xdotool/"
+  url "https://github.com/jordansissel/xdotool/archive/v3.20160805.1.tar.gz"
+  sha256 "ddafca1239075c203769c17a5a184587731e56fbe0438c09d08f8af1704e117a"
+
+  depends_on "pkg-config" => :build
+  depends_on "libxkbcommon"
+
+  depends_on :x11
+
+  def install
+    system "make", "PREFIX=#{prefix}", "INSTALLMAN=#{man}", "install"
+  end
+
+  def caveats; <<-EOS.undent
+    You will probably want to enable XTEST in your X11 server now by running:
+      defaults write org.x.X11 enable_test_extensions -boolean true
+
+    For the source of this useful hint:
+      http://stackoverflow.com/questions/1264210/does-mac-x11-have-the-xtest-extension
+    EOS
+  end
+
+  test do
+    system "#{bin}/xdotool", "--version"
+  end
+end