ERB
Bundler::Thor::Actions#capture depends on what kind of buffer is used in ERB. Thus CapturableERB fixes ERB to use String buffer.
# File bundler/vendor/thor/lib/thor/actions/file_manipulation.rb, line 365 def set_eoutvar(compiler, eoutvar = "_erbout") compiler.put_cmd = "#{eoutvar}.concat" compiler.insert_cmd = "#{eoutvar}.concat" compiler.pre_cmd = ["#{eoutvar} = ''.dup"] compiler.post_cmd = [eoutvar] end