Requires SnowLeopard or newer version. got snippet from jstalk's form…

…ula: https://github.com/mxcl/homebrew/blob/master/Library/Formula/jstalk.rb
fabiomcosta · Mar 27, 2012 · 6beb01b · nandub · Mar 27, 2012 · fabiomcosta
1 parent ab96fab
commit 6beb01b
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/Library/Formula/phantomjs.rb b/Library/Formula/phantomjs.rb
@@ -1,9 +1,21 @@
 require 'formula'
 
+class NeedsSnowLeopardOrNewer < Requirement
+  def satisfied?
+    MacOS.snow_leopard?
+  end
+
+  def message
+    "phantomjs requires Mac OS X 10.6 (Snow Leopard) or newer."
+  end
+end
+
 class Phantomjs < Formula
   url "http://phantomjs.googlecode.com/files/phantomjs-1.5.0-macosx-static.zip"
   homepage 'http://www.phantomjs.org/'
   sha1 'b87152ce691e7ed1937d30f86bc706a408d47f64'
+
+  depends_on NeedsSnowLeopardOrNewer.new
 
   def install
     bin.install "bin/phantomjs"