Best way to debug third-party gems in ruby

Question

Since there may be a lot of Ghost Methods inside a ruby gem, I don\'t think it is a good idea to study the inner mechanism of a ruby gem just by reading

Answer 1

I would avoid editing the Gem files as suggested in the currently accepted answer. Instead, put the debugger command in one of your app files and use the break command to set a breakpoint in the gem. I'm using rvm with a gemset so here is how I do it:

break /Users/chris/.rvm/gems/ruby-1.9.3-p125@/gems/-/: