macupd

#!/bin/bash
# macos: update os, applications, homebrew etc

command_exists() {
  command -v "$1" >/dev/null 2>&1
}

update_homebrew() {
  if command_exists brew; then
    echo "homebrew housekeeping..."
    brew update
    brew upgrade
    brew cleanup
    brew doctor
    outdated_casks=$(brew outdated --cask --greedy --quiet)
    if [ -n "$outdated_casks" ]; then
      echo "upgrading outdated casks..."
      brew upgrade $outdated_casks
    fi
  else
    echo "homebrew not found. skipping."
  fi
}

update_npm() {
  if command_exists npm; then
    echo "updating npm packages globally..."
    npm update -g
  else
    echo "npm not found. skipping."
  fi
}

if [[ $(uname -s) != "Darwin" ]]; then
  echo "script is for macOS only."
  exit 1
fi

echo "updating OS..."
softwareupdate -i -a

if command_exists nmap; then
  echo "updating nmap scriptdb..."
  nmap --script-updatedb
fi

if command_exists tldr; then
  echo "updating tldr pages..."
  tldr --update
fi

update_homebrew
update_npm

echo "completed."