Powerline-bash is a cool python script that changes your bash prompt depending on the context. For example: if you are on a git directory, the prompt will display the branch name. If there are any uncommitted changes, a small plus sign will appear. Pretty cool!.
Get it from https://github.com/milkbikis/powerline-bash and follow the instructions in the README to install. I had to additionally download the patched font (linked from the README) to get the prompt to display properly.