class Bundler::CLI::Init

def run
  if File.exist?("Gemfile")
    Bundler.ui.error "Gemfile already exists at #{SharedHelpers.pwd}/Gemfile"
    exit 1
  end
  if options[:gemspec]
    gemspec = File.expand_path(options[:gemspec])
    unless File.exist?(gemspec)
      Bundler.ui.error "Gem specification #{gemspec} doesn't exist"
      exit 1
    end
    spec = Gem::Specification.load(gemspec)
    puts "Writing new Gemfile to #{SharedHelpers.pwd}/Gemfile"
    File.open("Gemfile", "wb") do |file|
      file << "# Generated from #{gemspec}\n"
      file << spec.to_gemfile
    end
  else
    puts "Writing new Gemfile to #{SharedHelpers.pwd}/Gemfile"
    FileUtils.cp(File.expand_path("../../templates/Gemfile", __FILE__), "Gemfile")
  end
end