Update when the exercise has been updated
If you have an existing exercise, but the exercise has been updated with Exercism, you can do:
exercism download --force --track=<track> --exercise=<exercise>
For example:
exercism download --force --track=go --exercise=booking-up-for-beauty
Where you would normally do a:
exercism download --track=<track> --exercise=<exercise>
When downloading an exercise the first time.
I always to a git init in my exercise folders, so I can use basic version control, branches and what not - all the nice stuff.