Useful stuff I use on my Mac.

Bash

  # ~/.bash_profile
  source ~/.bashrc

  # ~/.bashrc
  # EDIT PATH AS APPROPRIATE
  source ~/git/macsetup/bash/git-prompt
  source ~/git/macsetup/bash/git-completion
  source ~/git/macsetup/bash/aliases
  export PATH=/opt/local/bin:/opt/local/sbin:./script:$PATH

HomeBrew

Doc: brew.sh

RBenv

Repo: sstephenson/rbenv