# File lib/bundler/gem_helper.rb, line 66 def install_gem(built_gem_path=nil) built_gem_path ||= build_gem out, _ = sh_with_code("gem install '#{built_gem_path}' --local") raise "Couldn't install gem, run `gem install #{built_gem_path}' for more detailed output" unless out[/Successfully installed/] Bundler.ui.confirm "#{name} (#{version}) installed." end