Plugins for Sal (The Munki Puppet).
Change into your plugins directory of your Sal install (if you followed the instructions provided with Sal, this will be /usr/local/sal_env/sal/plugins), and then clone this repository as grahamgilbert.
$ cd /usr/local/sal_env/sal/plugins
$ git clone https://github.com/thomasbergmann/grahamgilbert-sal-plugins.git grahamgilbert