.pryrc

def app_path
  unless @app_path
    git_root = `git rev-parse --show-toplevel`.chomp
    @app_path =  $?.success? ? git_root : Dir.pwd
  end
  @app_path
end


class Exception

  def quick_trace(lines = 5)
    beautify(backtrace.take lines)
  end

  # filter the backtrace to show lines from files in the 'current app'
  def app_trace
    beautify(backtrace.grep /#{app_path}/)
  end

  def filter_path(paths)
    paths.map { |path| path.gsub app_path, ''}
  end
  # remove uninteresting path segments and prepend the result to make our printed result aligned
  def beautify(entries)
    filter_path(entries).unshift ''
  end
end