Add colors and show git branches in your bash terminal (OSX)

gistfile1.txt

# colors
PS1='\w\[\033[0;32m\]$( git branch 2> /dev/null | cut -f2 -d\* -s | sed "s/^ / [/" | sed "s/$/]/" )\[\033[0m\] \$ '

# Tell grep to highlight matches
export GREP_OPTIONS='--color=auto'

# Tell ls to be colourful
export CLICOLOR=1
export LSCOLORS=Exfxcxdxbxegedabagacad

# You can add those line with vi ~/.bash_profile