.bashprompt


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__set-title ()
{
    local title
    local path=$(git root 2> /dev/null)

    if [ -n "${path}" ]
    then
        title=$(basename ${path})
    else
        title="${USER}:${PWD/~/\~}"
    fi

    echo -ne "\033]2;${title}\007"
}

__fontify ()
{
    local -A codes
    codes[red]='31'
    codes[green]='32'
    codes[blue]='34'
    codes[white]='37'
    codes[bold]='1'
    codes[dim]='2'
    codes[clear]='0'

    local string=$1
    shift

    # We need to add \[ \] around CSI sequences so that Bash can tell which
    # characters are non-printing.

    echo -en '\[\033['

    local attributes=($@)
    local nb=$#

    for ((i=0; i<nb; i++))
    do
        a=${attributes[${i}]}
        echo -en ${codes[${a}]}

        if ((i<nb-1))
        then
            echo -en ';'
        else
            echo -en 'm\]'
        fi
    done

    echo -n "${string}"
    echo -en "\[\033[0m\]"
}

__set-prompt ()
{
    local last_status=$1

    PS1=''

    if [ ${last_status} -ne 0 ]
    then
        PS1+=$(__fontify "${last_status} " bold red) 
    fi

    PS1+=$(__fontify '\u' green)
    PS1+=$(__fontify : bold white)
    PS1+=$(__fontify '\w' bold blue)
    PS1+=$(__fontify "$(__git_ps1 '(%s)')" red)
    PS1+=$(__fontify '\$' bold white)
    PS1+=' '
}

__draw-rule ()
{
    rule=''
    for ((i=0; i<COLUMNS; i++))
    do
        rule+=—
    done
    __fontify ${rule} dim
}

__refresh-terminal ()
{
    local last_status=$?

    __set-title
    __set-prompt ${last_status}
    # __draw-rule
}


. /usr/lib/git-core/git-sh-prompt
GIT_PS1_SHOWDIRTYSTATE=t
GIT_PS1_SHOWUPSTREAM=auto

export PROMPT_COMMAND=__refresh-terminal