Debugging a gem in ruby -


i have gem, nanoc, i'd debug.

its command line, nanoc executes following script (in /.rvm/gems/ruby-1.9.2-p290/bin)

#!/usr/bin/env ruby # # file generated rubygems. # # application 'nanoc' installed part of gem, , # file here facilitate running it. #  require 'rubygems'  version = ">= 0"  if argv.first   str = argv.first   str = str.dup.force_encoding("binary") if str.respond_to? :force_encoding   if str =~ /\a_(.*)_\z/     version = $1     argv.shift   end end  gem 'nanoc', version load gem.bin_path('nanoc', 'nanoc', version)

which loads @ last line resolved (/.rvm/gems/ruby-1.9.2-p290/gems/nanoc-3.6.2/bin)

#!/usr/bin/env ruby # encoding: utf-8  # try loading bundler if it's possible begin   require 'bundler/setup' rescue loaderror   # no problem end  # add lib load path $load_path.unshift(file.expand_path(file.dirname(__file__) + '/../lib'))  # load nanoc require 'nanoc' require 'nanoc/cli'  # run base nanoc::cli.run(argv)

what least intrusive options debug kind of scripts ? if pry first file, argv filename itself..

do have modify files run debugger ?

honestly, i'm not sure undestand question. put pry inside lib nanoc.

alternatively, fork git repo, , clone , run gem it's bundle , debug way well:

https://github.com/nanoc/nanoc

clone repo, add debug code, , run bundle exec bin/nanoc way keeping locally installed copy clean. once figure out wrong, can build new gem, install it, commit code, , make pull request fix everybody.


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