remove_nested_blocks

# File lib/bundler/injector.rb, line 199
    def remove_nested_blocks(gemfile, block_name)
      nested_blocks = 0

      # count number of nested blocks
      gemfile.each_with_index {|line, index| nested_blocks += 1 if !gemfile[index + 1].nil? && gemfile[index + 1].include?(block_name) && line.include?(block_name) }

      while nested_blocks >= 0
        nested_blocks -= 1

        gemfile.each_with_index do |line, index|
          next unless !line.nil? && line.include?(block_name)
          if gemfile[index + 1] =~ /^\s*end\s*$/
            gemfile[index] = nil
            gemfile[index + 1] = nil
          end
        end

        gemfile.compact!
      end
    end