$ brew install mckabi/tap/<FORMULA>
# OR
$ brew tap mckabi/tap
$ brew install FORMULA
# OR
$ brew install https://raw.githubusercontent.com/mckabi/homebrew-tap/master/Formula/<FORMULA>.rb
brew help
, man brew
or check Homebrew's documentation
$ brew install mckabi/tap/<FORMULA>
# OR
$ brew tap mckabi/tap
$ brew install FORMULA
# OR
$ brew install https://raw.githubusercontent.com/mckabi/homebrew-tap/master/Formula/<FORMULA>.rb
brew help
, man brew
or check Homebrew's documentation