igrigorik/em-proxy — pull request #31 by dblock (2012-12-11 16:38:21+00:00)
Title: Add support for proxying to a unix domain socket.

This is based on the implementation by @jgwmaxwell in https://github.com/jgwmaxwell/em-proxy/commit/a8ec49220a0d79e8d925a0e8d7452e4d50be9193, but with specs and `em-proxy` command-line support for `-s` / `--socket`.