wayneeseguin/rvm — pull request #1080 by ramontayag (2012-08-23 05:37:08+00:00)
Title: Do not download rubygems tgz if it exists in the archives directory 

I was the guy commenting and asking questions in [this Stackoverflow thread](http://stackoverflow.com/questions/9459149/install-rvm-offline-completely), but when I tried things out, the rubygems tgz was being downloaded even if it existed in the archives directory. This pull request fixes that - it downloads the tgz only if it does not exist in the archives dir.