This formula has DoSnapshot CLI, which is helpful tool to automate snapshotting of your Digital Ocean droplets.
How do I install this formula?
brew tap merqlove/do-snapshot and then
brew install do_snapshot.
If the formula conflicts with one from mxcl/master or another tap, you can
brew install merqlove/do-snapshot/do_snapshot.
You can also install via URL:
brew install https://raw.github.com/merqlove/homebrew-do-snapshot/master/do_snapshot.rb
man brew, or the Homebrew wiki.