mxcl/homebrew — pull request #13491 by surma (2012-07-19 11:14:36+00:00)
Title: qemu-img: Only compile qemu-img from qemu formula

This might seem unorthodox, but under OS X I usually only need `qemu-img` to convert between image formats.

This package is supposed to shorten compile times and minimize disk usage as it only compiles that one binary. As I didn't find some kind of common pattern for reusing another formula's url and hash, I just `require "qemu"`'d so that an update of the qemu formula automatically updates this one as well.