engineyard/engineyard-serverside — pull request #82 by conormcd (2013-12-11 20:33:19+00:00)
Title: Avoid failing on composer self-update.

Only run `composer self-update` if the composer binary is owned by the running user. If composer is owned by, say, root and a non-root user runs causes `composer self-update` to be run then the command will fail.