Chad Perrin wrote in post #1038774:
> Does RVM itself need Bash, or just the RVM installation process?

It's one of the [prerequisites]
(http://beginrescueend.com/rvm/prerequisites/) listed by RVM.

> Yeah, that's a good point, and I was thinking of mentioning something
> about not requiring sudo.  I think the best option would be to make it a
> switch so that, depending on what you choose, sudo may not be a
> requirement.

The reason it requires `sudo` is in order to install the requirements
for RVM.  The switch will just check for the requirements and tell you
what is missing.

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