mitchellh/vagrant — pull request #3174 by freshteapot (2014-03-12 22:30:55+00:00)
Title: config.vm.box_url can use local files

Updated the documentation to show that box_url can use "file://". This ability was added via in issue #1087 that was added 2 years ago.

https://github.com/mitchellh/vagrant/pull/1087