Homebrew · Nov 17, 2013
diff --git a/‎Library/Formula/rubinius.rb
-80 b/‎Library/Formula/rubinius.rb
-80
diff --git a/‎Library/Homebrew/blacklist.rb
+6 b/‎Library/Homebrew/blacklist.rb
+6
@@ -82,5 +82,11 @@ def blacklisted? name
     and then follow the tutorial:
       https://github.com/technomancy/leiningen/blob/stable/doc/TUTORIAL.md
     EOS
+  when 'rubinius' then <<-EOS.undent
+    Rubinius requires an existing Ruby 2.0 to bootstrap.
+    Doing this through Homebrew is error-prone. Instead, consider using
+    ruby-build` to build and install specific versions of Ruby:
+        brew install ruby-build
+    EOS
   end
 end