現在の環境をプロンプトに表示させる

bash-show_env.sh

# show exec environment
__show_env() {
        if [ `pwd | grep "^/var/www/prod" | wc -l` -eq 1 ];then
                echo "(prod)"
        elif [ `pwd | grep "^/var/www/test" | wc -l` -eq 1 ];then
                echo "(test)"
        elif [ `pwd | grep "^/var/www/dev" | wc -l` -eq 1 ];then
                echo "(dev)"
        fi
}

PS1="[\u@\h \W]\[\033[1;33m\]\$(__show_env)\[\033[00m\]\$ "