hashicorp-casks
Unofficial (as in not maintained by Hashicorp) casks for Hashicorp tools
Why casks instead of Homebrew formulas?
See relevant Github issue thread: Homebrew/homebrew-cask#23585 (comment)
How to tap it?
brew tap unofficial-cask/hashicorp-tap git@github.com:unofficial-cask/hashicorp-tap.git
How to install casks?
brew cask install CASK-NAME
What's Homebrew?
See http://brew.sh