install

# File lib/bundler/source/git.rb, line 170
      def install(spec, options = {})
        force = options[:force]

        print_using_message "Using #{version_message(spec)} from #{self}"

        if (requires_checkout? && !@copied) || force
          Bundler.ui.debug "  * Checking out revision: #{ref}"
          git_proxy.copy_to(install_path, submodules)
          serialize_gemspecs_in(install_path)
          @copied = true
        end

        generate_bin_options = { :disable_extensions => !Bundler.rubygems.spec_missing_extensions?(spec), :build_args => options[:build_args] }
        generate_bin(spec, generate_bin_options)

        requires_checkout? ? spec.post_install_message : nil
      end