Dynamic Bash Prompt

export FC31="\[\033[31m\]"
export FC32="\[\033[32m\]"
export FC33="\[\033[33m\]"
export FC34="\[\033[34m\]"
export FC35="\[\033[35m\]"
export FC36="\[\033[36m\]"
export FC37="\[\033[37m\]"
export FC38="\[\033[38m\]"
export FC39="\[\033[39m\]"
export FC5="\[\033[5m\]"
export FC0="\[\033[0m\]"
if [ "$TERM" = "linux" ]; then
        export MP_CHECK_GLYPH="v"
        export MP_STAR_GLYPH="*"
        export MP_GIT_ADDED_GLYPH="+"
        export MP_GIT_MODIFIED_GLYPH="M"
        export MP_GIT_DELETED_GLYPH="D"
        export MP_ARROW_RIGHT_BOLD=">>"
        export MP_ARROW_RIGHT_THIN="->"
else
        export MP_CHECK_GLYPH="✔"
        export MP_STAR_GLYPH="✻"
        export MP_GIT_ADDED_GLYPH="+"
        export MP_GIT_MODIFIED_GLYPH="✎"
        export MP_GIT_DELETED_GLYPH="✂"
        export MP_ARROW_RIGHT_BOLD="➤"
        export MP_ARROW_RIGHT_THIN="➙"
fi

pwd() {
    echo -e "\033[1A \033[32m\033[5m${MP_ARROW_RIGHT_BOLD} \033[0m\033[33mWorking directory is \033[36m$(/bin/pwd)\033[39m"
}

my-prompt() {
    PS1=''
    if [ -d ".git" ]; then
        PS1="${PS1}${FC33}$(/bin/pwd | xargs basename)"
        PS1="${PS1}${FC36} ${MP_STAR_GLYPH} ${FC33}$(git branch | sed -n -e 's/^\* \(.*\)/\1/p')"
        if git status | grep -q 'nothing to commit'; then
            PS1="${PS1}${FC32} ${MP_CHECK_GLYPH} "
        else
            PS1="${PS1}${FC36} ${MP_GIT_ADDED_GLYPH} ${FC37}$(git status --porcelain | grep '? ' | wc -l)"
            PS1="${PS1}${FC36} ${MP_GIT_MODIFIED_GLYPH} ${FC33}$(git status --porcelain | grep 'M ' | wc -l)"
            PS1="${PS1}${FC36} ${MP_GIT_DELETED_GLYPH} ${FC31}$(git status --porcelain | grep 'D ' | wc -l)"
        fi
    else
        PS1="${FC33}\u ${FC36}${MP_STAR_GLYPH} ${FC33}\h ${FC36}${MP_ARROW_RIGHT_THIN} ${FC33}\w"
    fi
    PS1="${PS1}\n${FC32} ${MP_ARROW_RIGHT_BOLD} ${FC39}"
}
PROMPT_COMMAND='my-prompt'