chocolatey/chocolatey — pull request #138 by LucidSage (2012-08-14 19:47:14+00:00)
Title: Adding Sources command. 

Usage:

chocolatey sources list|add|remove|enable|disable -name -source

Follows the implementation discussed here:
https://groups.google.com/forum/?fromgroups#!topic/chocolatey/79SRA5V3hs8%5B1-25%5D