You will need Ruby ( > version 2.2.3 ). To check
whether it's already installed on a UNIX-like system, open up a terminal
window (e.g. Terminal on OS X) and type ruby -v at the command prompt. For
example, you should see something similar to the following:
$ ruby -v
ruby 2.2.3p173 (2015-08-18 revision 51636) [x86_64-darwin14]If the version number is less than 2.1.5, or instead you see something like:
$ ruby -v
-bash: ruby: command not foundThen Ruby is not installed, and you should choose one of the installation methods below. The "Installing Ruby" page of the official Ruby language web site explains how to do this in a number of ways across many different systems.
On OS X, you can use Homebrew to install Ruby in
/usr/local/bin, which may require you to update your $PATH environment
variable:
$ brew update
$ brew install rubyWhether or not Ruby is already installed, we strongly recommend using a Ruby version manager such as rbenv or rvm to help ensure that Ruby version upgrades don't mean all your gems will need to be rebuilt.
To clone the guide repository and serve it locally:
$ git clone https://github.com/18F/authentication.git
$ cd authentication
$ ./go serveThe ./go script will check that your Ruby version is supported, install the
Bundler gem if it is not yet installed, install all the
gems needed by the guide, and launch a running instance on
http://localhost:4000/.
This project is in the worldwide public domain. As stated in CONTRIBUTING:
This project is in the public domain within the United States, and copyright and related rights in the work worldwide are waived through the CC0 1.0 Universal public domain dedication.
All contributions to this project will be released under the CC0 dedication. By submitting a pull request, you are agreeing to comply with this waiver of copyright interest.