Show current git branch in working directory

gistfile1.sh

function parse_git_dirty {
    [[ $(git status 2> /dev/null | tail -n1) != "nothing to commit (working directory clean)" ]] && echo " ⚠"
}

function parse_git_branch {
    git branch --no-color 2> /dev/null | sed -e '/^[^*]/d' -e "s/* \(.*\)/[\1$(parse_git_dirty)]/"
}

PS1="$PS1 \[$(parse_git_branch\]"