mxcl/homebrew — pull request #25000 by eradman (2013-12-06 18:12:09+00:00)
Title: Import mitchty/homebrew-entr, a tap for entr(1).

A command-line utility for running arbitrary commands when files change. Uses
kqueue(2) or to avoid polling. entr responds to file system events by executing
command line arguments or by writing to a FIFO.