thoughtbot/appraisal — pull request #41 by gabebw (2012-11-02 21:16:58+00:00)
Title: Keep dots when generating a Gemfile

This also changes how punctuation that isn't "." is treated. Previously, it
would be removed, now it is converted to "_". Thus, `appraise "rails3.0!"` now
generates "rails3.0_.gemfile" where before it generated "rails30.gemfile".