Offer brew install

offer_brew_install.sh

#!/bin/bash

# Available as a gist: https://gist.github.com/zakkhoyt/426cc6a5c2855d1b2feb4169df83bc9b

BINARY_TOOL="jq"
ANSI_BINARY_TOOL="\033[1m${BINARY_TOOL}\033[0m"

offer_brew_install() {
  input=""
  repeat=false
  INSTALL_COMMAND="brew install ${BINARY_TOOL}"
  ANSI_INSTALL_COMMAND="\033[93m${INSTALL_COMMAND}\033[0m"
  while [ "$repeat" ]
  do
    echo -e ""
    echo -e "Would you like to install ${BINARY_TOOL}?"
    echo -e ""
    echo -e "  [y] Yes"
    echo -e "  [n] No"
    echo -e "  [p] Print the install command"
    echo -e "  [a] Ask again"
    echo -e ""
    
    read -r input
    case $input in
      "y")       
        echo -e "${ANSI_INSTALL_COMMAND}" 1>&2
        eval "${INSTALL_COMMAND}"
        # TODO: zakkhoyt - check for success and update stderr
        break;;
      "n") 
        break;;
      "p") 
        echo -e "${ANSI_INSTALL_COMMAND}" 1>&2
        break;;
      *)
        repeat=true;;
    esac
  done
}

if which "${BINARY_TOOL}" > /dev/null; then 
  echo -e "${ANSI_BINARY_TOOL} is already installed" 1>&2 
else 
  offer_brew_install
fi


# ------- Or, if you want to source as a function

#!/bin/bash

# Available as a gist: https://gist.github.com/zakkhoyt/426cc6a5c2855d1b2feb4169df83bc9b

verify_brew_install() {
  if [[ -z "$1" ]]; then 
    # TODO: zakkhoyt - communicate
    exit 1
  fi 

  BINARY_TOOL="$1"
  ANSI_BINARY_TOOL="\033[1m${BINARY_TOOL}\033[0m"

  if which "${BINARY_TOOL}" > /dev/null; then 
    echo -e "${ANSI_BINARY_TOOL} is already installed" 1>&2 
  else 
    input=""
    repeat=false
    INSTALL_COMMAND="brew install ${BINARY_TOOL}"
    ANSI_INSTALL_COMMAND="\033[93m${INSTALL_COMMAND}\033[0m"
    while [ "$repeat" ]
    do
      echo -e ""
      echo -e "Would you like to install ${BINARY_TOOL}?"
      echo -e ""
      echo -e "  [y] Yes"
      echo -e "  [n] No"
      echo -e "  [p] Print the install command"
      echo -e "  [a] Ask again"
      echo -e ""
      
      read -r input
      case $input in
        "y")       
          echo -e "${ANSI_INSTALL_COMMAND}" 1>&2
          eval "${INSTALL_COMMAND}"
          # TODO: zakkhoyt - check for success and update stderr
          break;;
        "n") 
          break;;
        "p") 
          echo -e "${ANSI_INSTALL_COMMAND}" 1>&2
          break;;
        *)
          repeat=true;;
      esac
    done
  fi
}