Warn users that gems can be troublesome with our formula

1 files changed, 7 insertions, 0 deletions

diff --git a/Library/Formula/ruby.rb b/Library/Formula/ruby.rb
index 56cbc32d9..aff808e9d 100644
--- a/Library/Formula/ruby.rb
+++ b/Library/Formula/ruby.rb
@@ -19,6 +19,13 @@ class Ruby <Formula
     system "make install"
   end
   
+  def caveats; <<-EOS
+If you install gems with the RubyGems installed with this formula they will
+to this formula's prefix. This needs to be fixed, as for example, upgrading
+Ruby will lose all your gems.
+    EOS
+  end
+  
   def skip_clean? path
     # TODO only skip the clean for the files that need it, we didn't get a
     # comment about why we're skipping the clean, so you'll need to figure