rubyforgood/casa

#!/bin/sh
# Colorized output with logging levels

# Set colors if available
if test -t 1; then # if terminal
    ncolors=$(which tput > /dev/null && tput colors) # supports color
    if test -n "$ncolors" && test $ncolors -ge 8; then
        normal="$(tput sgr0)"
        red="$(tput setaf 1)"
        green="$(tput setaf 2)"
        yellow="$(tput setaf 3)"
        cyan="$(tput setaf 6)"
    fi
fi

# Colorized output
#   Param $1 string | The logging level: info, warning, or error
#   Param $2 string | The message to be logged
log () {
  if [ $# -lt 2 ]; then
    echo "${red}ERROR: function log was run with insufficient parameters ${normal}"
    return
  fi
  
  case $1 in
    success)
      printf "${green}SUCCESS: $2 ${normal}\n"
    ;;
    info)
      printf "${cyan}INFO: $2 ${normal}\n"
    ;;
    warn)
      printf "${yellow}WARNING: $2 ${normal}\n"
    ;;
    error)
      printf "${red}ERROR: $2 ${normal}\n"
    ;;
    *)
      echo "${red}ERROR: Unrecognized log level: $1 ${normal}"
    ;;
  esac
}