mxcl/homebrew — pull request #21152 by stouset (2013-07-11 18:16:50+00:00)
Title: rbenv-use: fuzzy matching plugin for rbenv

These formulae allow an rbenv user to use fuzzy version matching when
switching Ruby versions.

$ rbenv whatis 1.8.7
1.8.7-p374
$ rbenv whatis 2
2.0.0-p247
$ rbenv use 1.8.7
$ rbenv version
1.8.7-p374 (set by RBENV_VERSION environment variable)