Shows actual git branch on command prompt

gistfile1.sh

#GIT bash by HABR
export PSORIG="$PS1"

function GITCHECK() {
        STATUS=$(git status 2> /dev/null)
        if [ -n "$STATUS" ] ; then
                BRANCH="$(echo "$STATUS" | head -n1 | awk '{print $4}')"
                export PS1=$PSORIG$(echo -en "\[\033[01;33m\]$BRANCH > \[\033[00m\]")
        else
                export PS1="$PSORIG"
        fi
}

PROMPT_COMMAND="GITCHECK"