Document installation via Homebrew

README.md

@@ -4,6 +4,44 @@ A command line tool in Haskell to identify unused code.
 
 ![Image of Unused Output](http://i.giphy.com/3oEjHGgyV2EDdy1Ogw.gif)
 
+## Installing
+
+### Homebrew
+
+You can install [my formulae] via [Homebrew] with `brew tap`:
+
+```sh
+brew tap joshuaclayton/formulae
+```
+
+Next, run:
+
+```sh
+brew install unused
+```
+
+[my formulae]: https://github.com/joshuaclayton/homebrew-formulae
+[Homebrew]: http://brew.sh/
+
+Alternatively, you can install by hand.
+
+### Stack
+
+This project uses [Haskell] and [Stack].
+
+Once you have these tools installed:
+
+```sh
+stack setup
+stack install
+```
+
+This will generate a binary in `$HOME/.local/bin`; ensure this directory is in
+your `$PATH`.
+
+[Haskell]: https://www.haskell.org
+[Stack]: http://www.haskellstack.org
+
 ## Using Unused
 
 `unused` reads from a pipe expecting a series of tokens to search the codebase
@@ -28,20 +66,7 @@ navigate to a directory, run `unused`, and everything works as expected.
 
 Unused leverages [Ag](https://github.com/ggreer/the_silver_searcher) to
 analyze the codebase; as such, you'll need to have `ag` available in your
-`$PATH`.
-
-## Building and Compiling
-
-This project uses Haskell and Stack.
-
-Once you have these tools installed:
-
-```sh
-stack install
-```
-
-This will generate a binary in `$HOME/.local/bin`; ensure this directory is in
-your `$PATH`.
+`$PATH`. This is set as an explicit dependency in Homebrew.
 
 ## Testing