wait_on 1.1

Closes Homebrew/homebrew#10753.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>

Formula/wait_on.rb

@@ -0,0 +1,19 @@
+require 'formula'
+
+class WaitOn < Formula
+  homepage 'http://www.freshports.org/sysutils/wait_on/'
+  url 'ftp://ftp.ugh.net.au/pub/unix/wait_on/wait_on-1.1.tar.gz'
+  md5 '6b5917ad6136fdd8295d2d1299db10d5'
+
+  depends_on 'bsdmake' => :build if MacOS.xcode_version.to_f >= 4.3
+
+  def install
+    system "bsdmake"
+    bin.install 'wait_on'
+    man1.install 'wait_on.1.gz'
+  end
+
+  def test
+    system "#{bin}/wait_on -v"
+  end
+end