if test -t 1; then
  if [ $(command -v tput) ]; then
    ncolors=$(tput colors)
    if test -n "$ncolors" && test $ncolors -ge 8; then
      bold="$(tput bold)"
      underline="$(tput smul)"
      standout="$(tput smso)"
      normal="$(tput sgr0)"
      black="$(tput setaf 0)"
      red="$(tput setaf 1)"
      green="$(tput setaf 2)"
      yellow="$(tput setaf 3)"
      blue="$(tput setaf 4)"
      magenta="$(tput setaf 5)"
      cyan="$(tput setaf 6)"
      white="$(tput setaf 7)"
    fi
  fi
fi

info() {
  printf "${green}[INFO   ]${normal}  $1\n"
}

warning() {
  printf "${red}[WARNING]${normal}  $1\n"
}

error() {
  printf "${standout}${red}[ERROR  ]${normal}  $1\n"
}

indent() {
  printf "           $1\n"
}