How I can install a Homebrew recipe maintained in a separate git repository outside of /usr/local/Library/Formula? I'm writing a quick Homebrew formula for my own private purposes (it's unlikely to be shared). I'd like to install it , but would prefer not to maintain my own local fork of Homebrew, but instead outside /usr/local/Library/Formula (it happens to be within an existing private git repository I have, but I think that's incidental to the question).

I've tried:


brew install ./my-formula.rb
brew install file:///Users/myusername/mygitrepository/my-formula.rb.


Neither seems to work. Instead I see:

Error: No available formula for my-formula
==&gt; Searching formulae...
==&gt; Searching taps...


How can I install this formula?

Note: Installing the formula using git repository syntax is unlikely to be what I need - I'm looking to install the formula during its development, in other words before I commit to my git repo.

I am using Homebrew 0.9.5.
ln -s /Users/myusername/mygitrepository/my-formula.rb /usr/local/Library/Formula/
brew install my-formula


Both brew doctor and brew update shouldn't mind, at least not until a my-formula formula is added into the official brew repository!