composer/composer — pull request #1253 by 1stvamp (2012-10-23 12:55:02+00:00)
Title: Allow authenticated downloads from api.github.com

A common use case for downloading from GitHub is to use their API to download automatically generated zipballs and tarballs of tags and branches, e.g. per: https://help.github.com/articles/downloading-files-from-the-command-line