#_reload method for standard gem `bin/console`

console

#!/usr/bin/env ruby

require "bundler/setup"
require "awesome_gem"

def _app_path
  @app_path ||= File.expand_path "../../lib/", __FILE__
end

def _load
  all_files = $".select { |path| path.start_with?(_app_path) }.
    select { |f| File.exists?(f) } # remove file deleted during development
  main = all_files.pop { |f| f.contains? "awesome_gem.rb" }
  load main
  all_files.each { |f| load f }
  include AwesomeGem
end

def _reload
  Object.send(:remove_const, :"AwesomeGem");
  _load
  puts "reloaded :)"
end

require "pry"
include AwesomeGem
Pry.start

Updated to remove deleted files from the equation.