Editing .bashrc, insert in the end of the .bashrc

.bashrc

## The prompt below gets ideas from the following:
    # http://briancarper.net/blog/570/git-info-in-your-zsh-prompt
    # http://github.com/adamv/dotfiles/blob/master/bashrc
    # http://wiki.archlinux.org/index.php/Color_Bash_Prompt
    txtred='\[\e[0;36m\]' # Red
    txtwht='\[\e[0;37m\]' # White
    bldred='\[\e[0;31m\]' # Red
    bldgrn='\[\e[1;32m\]' # Green
    bldylw='\[\e[1;33m\]' # Yellow
    bldwht='\[\e[1;37m\]' # White
    end='\[\e[0m\]'    # Text Reset

    function parse_git {
        branch=$(__git_ps1 "%s")
        if [[ -z $branch ]]; then
            return
        fi

        local forward="⟰"
        local behind="⟱"
        local dot="•"

        remote_pattern_ahead="# Your branch is ahead of"
        remote_pattern_behind="# Your branch is behind"
        remote_pattern_diverge="# Your branch and (.*) have diverged"

        status="$(git status 2>/dev/null)"

        state=""
        if [[ $status =~ "working directory clean" ]]; then
            state=${bldgrn}${dot}${end}
        else
            if [[ $status =~ "Untracked files" ]]; then
                state=${bldred}${dot}${end}
            fi
            if [[ $status =~ "Changed but not updated" ]]; then
                state=${state}${bldylw}${dot}${end}
            fi
            if [[ $status =~ "Changes to be committed" ]]; then
                state=${state}${bldylw}${dot}${end}
            fi
        fi

        direction=""
        if [[ $status =~ $remote_pattern_ahead ]]; then
            direction=${bldgrn}${forward}${end}
        elif [[ $status =~ $remote_pattern_behind ]]; then
            direction=${bldred}${behind}${end}
        elif [[ $status =~ $remote_pattern_diverge ]]; then
            direction=${bldred}${forward}${end}${bldgrn}${behind}${end}
        fi

        branch=${txtwht}${branch}${end}
        git_bit="${bldred}[${end}${branch}${state}\
    ${git_bit}${direction}${bldred}]${end}"

        printf "%s" "$git_bit"
    }

    function set_titlebar {
        case $TERM in
            *xterm*|ansi|rxvt)
                printf "\033]0;%s\007" "$*"
                ;;
        esac
    }

    function set_prompt {
        git="$(parse_git)"

        PS1="${txtred}\u${end} ${txtred}\W${end}"
        if [[ -n "$git" ]]; then
            PS1="$PS1 $git ${bldcyn}❯❯${end} "
        else
            PS1="$PS1 ${bldcyn}❯❯${end} "
        fi
        export PS1

        set_titlebar "$USER@${HOSTNAME%%.*} $PWD"
    }

    export PROMPT_COMMAND=set_prompt