On Tue, 27 Oct 2009 06:44:50 +0900, Roger Pack wrote: > Please to announce release code-named "spooky" of fast rubygems. > I think I found a bug in install.rb, line 12 This returns an Array # handle ENV['GEM_PATH'] if it exists gem_paths << ENV['GEM_PATH'].split(':').select{|path| path + '/.gems'} if ENV['GEM_PATH'] # TODO should this override or supplement? so you end up with a gem_paths with Strings and an Array at the end. Blows up at line 21. Fix: 19 for gem_path in gem_paths.flatten do :) This should afflict all RVM users that uses a non-standard location for their gems/libs.