Upgrade or Uninstall

Upgrade

brew upgrade warrensbox/tap/tfswitch

Rerun:

curl -L https://raw.githubusercontent.com/warrensbox/terraform-switcher/master/install.sh | bash

brew uninstall warrensbox/tap/tfswitch

Run (replace /usr/local/bin if you installed tfswitch to a custom location):

rm /usr/local/bin/tfswitch