ruby 2.0.0-p0

Closes Homebrew/legacy-homebrew#18054.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>

Formula/ruby.rb

@@ -2,15 +2,15 @@
 
 class Ruby < Formula
   homepage 'http://www.ruby-lang.org/en/'
-  url 'http://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.3-p392.tar.bz2'
-  sha256 '5a7334dfdf62966879bf539b8a9f0b889df6f3b3824fb52a9303c3c3d3a58391'
+  url 'http://ftp.ruby-lang.org/pub/ruby/2.0/ruby-2.0.0-p0.tar.bz2'
+  sha256 'c680d392ccc4901c32067576f5b474ee186def2fcd3fcbfa485739168093295f'
 
   head 'http://svn.ruby-lang.org/repos/ruby/trunk/'
 
   env :std
 
   option :universal
-  option 'with-suffix', 'Suffix commands with "19"'
+  option 'with-suffix', 'Suffix commands with "20"'
   option 'with-doc', 'Install documentation'
   option 'with-tcltk', 'Install with Tcl/Tk support'
 
@@ -24,6 +24,7 @@ class Ruby < Formula
   depends_on 'readline'
   depends_on 'gdbm'
   depends_on 'libyaml'
+  depends_on 'openssl' if MacOS.version >= :mountain_lion
   depends_on :x11 if build.include? 'with-tcltk'
 
   fails_with :llvm do
@@ -36,11 +37,20 @@ def install
     args = ["--prefix=#{prefix}",
             "--enable-shared"]
 
-    args << "--program-suffix=19" if build.include? "with-suffix"
+    args << "--program-suffix=20" if build.include? "with-suffix"
     args << "--with-arch=x86_64,i386" if build.universal?
     args << "--disable-tcltk-framework" <<  "--with-out-ext=tcl" <<  "--with-out-ext=tk" unless build.include? "with-tcltk"
     args << "--disable-install-doc" unless build.include? "with-doc"
 
+    # OpenSSL is deprecated on OS X 10.8 and Ruby can't find the outdated
+    # version (0.9.8r 8 Feb 2011) that ships with the system.
+    # See discussion https://github.com/sstephenson/ruby-build/issues/304
+    # and https://github.com/mxcl/homebrew/pull/18054
+    if MacOS.version >= :mountain_lion
+      openssl = Formula.factory('openssl')
+      args << "--with-openssl-dir=#{openssl.opt_prefix}"
+    end
+
     # Put gem, site and vendor folders in the HOMEBREW_PREFIX
     ruby_lib = HOMEBREW_PREFIX/"lib/ruby"
     (ruby_lib/'site_ruby').mkpath
@@ -55,7 +65,6 @@ def install
     system "make"
     system "make install"
     system "make install-doc" if build.include? "with-doc"
-
   end
 
   def caveats; <<-EOS.undent