Display which branch you're currently in within Terminal.app

.bash_profile

# Git branch in prompt.
function parse_git_branch () {
       git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/ (\1)/'
}

RED="\[\033[0;31m\]"
YELLOW="\[\033[0;33m\]"
GREEN="\[\033[0;32m\]"
NO_COLOUR="\[\033[0m\]"

PS1="$NO_COLOUR\W$GREEN\$(parse_git_branch)$NO_COLOUR\$ "

• Open ~/.bash_profile and paste that bad boy in there
• Three colors to choose from
• Once saved, give terminal: source ~/.bash_profile It will update without having to restart Terminal.app
• Source
• Other neat bash variables