dotfiles

updatemaster (4463B)

---

 #!/usr/bin/env ruby
 # frozen_string_literal: true
 
 def check_deps(deps)
   deps.each do |dep|
     unless system("command -v #{dep} >/dev/null 2>&1")
       warn "error: command #{dep} not found"
       exit 1
     end
   end
 end
 
 # The Homebrew package manager for macOS
 class Homebrew
   def initialize
     check_deps ['brew']
     puts '-- HOMEBREW --'
     2.times { system 'brew update' }
     @outdated_casks = `brew outdated --cask --greedy --verbose`.lines.map(&:chomp)
     @cask_names = @outdated_casks.map { |c| c.split.first }
     @outdated_formulae = `brew outdated --formula`
   end
 
   def start_sudo_cache
     puts 'Please enter the administrator password to install cask upgrades.'
     system 'sudo -v'
     @sudo_cache_pid = spawn 'while :; do sudo -n true; sleep 60; done 2>/dev/null'
   end
 
   def prompt_user
     return if @outdated_casks.empty?
 
     puts "\nOutdated casks:"
     @outdated_casks.each_with_index { |c, i| puts "#{i} #{c}" }
     print 'Numbers of casks to upgrade (space-separated): '
     begin
       @to_upgrade = $stdin.gets.chomp.split.map { |casknum| @cask_names[Integer(casknum)] }
     rescue ArgumentError
       warn 'Only numbers allowed'
       exit 1
     end
     start_sudo_cache unless @to_upgrade.empty?
   end
 
   def do_upgrade
     if @outdated_formulae.empty?
       puts "\nNo formulae to upgrade."
     else
       puts "\nUpgrading all formulae.\nTo upgrade:"
       puts @outdated_formulae
       system 'brew upgrade --formula'
     end
 
     return if @outdated_casks.empty?
 
     if @to_upgrade.empty?
       puts 'Not upgrading any casks.'
     else
       puts "\nUpgrading casks:"
       puts @to_upgrade
 
       @to_upgrade.each { |cask| system "brew upgrade --cask --greedy --verbose #{cask}" }
       puts 'Upgrade complete.'
     end
   end
 
   def cleanup
     Process.kill('TERM', @sudo_cache_pid) if @sudo_cache_pid
     system 'brew cleanup -s --prune-prefix'
     system 'brew cleanup'
     system 'brew doctor'
     system 'brew missing'
 
     puts "Homebrew cache disk usage: #{`du -skh "$(brew --cache)" | cut -f1`}"
     puts "Remove with:\trm -rf $(brew --cache)"
     system 'brew bundle dump --force --file=~/.dotfiles/Brewfile;'
   end
 end
 
 # Pipx for Python
 class Pipx
   def initialize
     check_deps ['pipx']
     puts '-- PIPX --'
   end
 
   def do_upgrade
     system 'pipx upgrade-all'
   end
 end
 
 # Gems for Ruby
 class RubyGems
   def initialize
     check_deps ['gem']
     puts '-- GEM --'
     puts 'To upgrade:'
     system 'gem outdated'
   end
 
   def do_upgrade
     system 'gem update'
   end
 
   def cleanup
     system 'gem cleanup'
   end
 end
 
 # NPM for JS
 class NPM
   def initialize
     check_deps ['npm']
     puts '-- NPM --'
     puts 'To upgrade:'
     system 'npm -g outdated'
   end
 
   def do_upgrade
     outdated = `npm outdated -g --parseable | sed 's!:.*!!g; s!.*/!!'`.split
     outdated.each { |pkg| system "npm -g install #{pkg}@latest" }
     system 'npm -g upgrade'
   end
 end
 
 def do_prompts(systems)
   system_instances = systems.map(&:new)
   system_instances.each(&:prompt_user) if (['-n', '--dry-run'] & ARGV).empty?
   system_instances
 end
 
 def split_systems_by_prompting(all_systems)
   systems_with_prompt = all_systems.select { |s| s.method_defined? 'prompt_user' }
   { prompting: systems_with_prompt,
     no_prompting: all_systems - systems_with_prompt }
 end
 
 def upgrade_cleanup(system_instance)
   system_instance.do_upgrade if (['-n', '--dry-run'] & ARGV).empty?
   system_instance.cleanup if system_instance.class.method_defined? 'cleanup'
 end
 
 def main
   package_systems = [Homebrew, Pipx, RubyGems, NPM]
 
   split_systems = split_systems_by_prompting package_systems
 
   # Do any prompts to get interactivity out of the way, then upgrade those first
   do_prompts(split_systems[:prompting]).each { |s| upgrade_cleanup s } unless split_systems[:prompting].empty?
 
   # Finish up by upgrading systems that don't need user input
   split_systems[:no_prompting].each do |nonprompting_sys|
     pksys = nonprompting_sys.new
     upgrade_cleanup pksys
   end
 end
 
 def handle_help
   return if (['-h', '--help'] & ARGV).empty?
 
   puts <<~END_HELPTEXT
     Usage:  updatemaster [options]
 
     Options:
     -h, --help    display this helptext
     -n, --dry-run   don't upgrade anything, only update & cleanup
   END_HELPTEXT
   exit 0
 end
 
 handle_help
 begin
   caffeinate = spawn 'caffeinate -d'
   main
 rescue SystemExit, Interrupt
   puts "\nInterrupted, exiting..."
 end
 Process.kill('SIGTERM', caffeinate)
 Process.detach(caffeinate)