mxcl/homebrew — Issue #9053: brew upgrade -v gettext fails with 'Please report this bug:'
Author: tomwhipple
Created: 2011-12-09 01:19:44+00:00
State: open

Error: undefined method `include?' for nil:NilClass

https://gist.github.com/1449626

As a result (or because) the symlinks in /usr/local/lib are not created for libgettext.