my PS1 variable

gistfile1.txt

function git_portion {
    git status > /dev/null 2> /dev/null
    if [[ $? -eq 0 ]]
    then
        current_branch=$(git rev-parse --abbrev-ref HEAD)
        modified='\e[92m'
        git diff --exit-code 2>/dev/null >/dev/null
        if [[ $? -ne 0 ]]
        then
            modified='\e[97m*\e[93m'
        fi
        printf ' \e[0m\e[96m(%b%s\e[96m)' $modified $current_branch
    fi
}

export PS1='\[\e[96m\][\[\e[97m\]\w$(git_portion)\[\e[96m\]]\n\[\e[97m\]\u@\h \[\e[91m\]\!\[\e[96m\]\$> \[\e[0m\]'