My .bash_profile file

.bash_profile

# Git Auto Complete 
# install these in home (~) directory.
# https://github.com/git/git/blob/8976500cbbb13270398d3b3e07a17b8cc7bff43f/contrib/completion/git-completion.bash
# https://github.com/git/git/blob/8976500cbbb13270398d3b3e07a17b8cc7bff43f/contrib/completion/git-prompt.sh

if [ -f ~/.git-completion.bash ]; then
        source ~/.git-completion.bash
fi
if [ -f ~/.git-prompt.sh ]; then
        source ~/.git-prompt.sh
fi

export CLICOLOR=1
export LSCOLORS=GxFxCxDxBxegedabagaced

export PS1="\[$(tput sgr0)\]\[$(tput setaf 7)\]\t \[$(tput sgr0)\][\[$(tput setaf 6)\]\u\[$(tput setaf 5)\]@\[$(tput setaf 5)\]:\[$(tput setaf 1)\]\w\\[$(tput bold)\]\[$(tput setaf 3)\]\$(__git_ps1)\[$(tput sgr0)\]]\n#\[$(tput setaf 6)\]\[$(tput sgr0)\] "

alias editprofile='sudo nano ~/.bash_profile'
alias reloadprofile='source ~/.bash_profile'

alias sb='open -a "Sublime Text"'
alias sb2='open -a "Sublime Text 2"'
alias atom='open -a "Atom"'
alias lsl='ls -la'
alias cls='clear'

alias show='open .'

alias hosts='sudo nano /etc/hosts'
alias snano='sudo nano'
alias sudo='sudo '

updateNode() {
        node -v
        sudo npm cache clean -f
        sudo npm install -g n
        sudo n stable
        node -v
}

Note that in \$(__git_ps1) the $ is escaped. This forces __git_ps1 in the prompt to update on every command input