betty: use RubyRequirement.

1 files changed, 1 insertions, 17 deletions

diff --git a/Library/Formula/betty.rb b/Library/Formula/betty.rb
index 1144e8e09..9758b4a28 100644
--- a/Library/Formula/betty.rb
+++ b/Library/Formula/betty.rb
@@ -1,25 +1,9 @@
-require "formula"
-
-class Ruby19Dependency < Requirement
-  fatal true
-  default_formula "ruby"
-
-  satisfy do
-    `ruby --version` =~ /ruby (\d\.\d).\d/
-    $1.to_f >= 1.9
-  end
-
-  def message
-    "Betty requires Ruby 1.9 or better."
-  end
-end
-
 class Betty < Formula
   homepage "https://github.com/pickhardt/betty"
   url "https://github.com/pickhardt/betty/archive/v0.1.7.tar.gz"
   sha1 "ec21ec5541289a9902874c7897f8d521044daf27"
 
-  depends_on Ruby19Dependency
+  depends_on :ruby => "1.9"
 
   def install
     libexec.install "lib", "main.rb" => "betty"