Display Git branch in PS1

gistfile1.sh

function parse_git_branch {
    local BRANCH=`\git branch --no-color 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/\1/'`
    if [ ! -z "${BRANCH}" ]
    then
                local STATUS=`\git status --porcelain 2> /dev/null`
                if [ ! -z "${STATUS}" ]
                then
                    STATUS="*"
                fi
                
                echo "[$BRANCH$STATUS]"
    fi
}


PS1='\w$(parse_git_branch) \$ '