if [[ -n "$rvm_environments_path" && -s "$rvm_environments_path/ree-1.8.7-2010.02@gruff" ]] ; then
  . "$rvm_environments_path/ree-1.8.7-2010.02@gruff"
else
  rvm --create use  "ree-1.8.7-2010.02@gruff"
fi