Update all gems, packages, fetch all code, etc.

update.rb

#! /usr/bin/env ruby

STDOUT.sync = true
STDERR.sync = true

def run(cmd, *ok_statuses)
  puts "\n=========> #{cmd}"
  system(cmd)
  unless ([0] + ok_statuses).include?($?)
    puts "Exit status: #{$?}"
    exit $?
  end
end

run('rvm get latest')
run('rvm all do gem update --system', 256)
run('rvm all do gem update')

# packages = `pip freeze`.lines.map { |line| line.split('==')[0] }
# run("pip install --upgrade #{packages.join(' ')}")

run('brew update')

home = File.expand_path('~')
%w(Code Documents Sites).each do |root|
  dir = "#{home}/#{root}/"
  Dir["#{dir}*"].each do |path|
    if File.directory?(path) && File.directory?("#{path}/.git")
      run("cd #{path} && git fetch --all --prune && git submodule update --init && git gc --auto")
      if File.directory?("#{path}/.git/hgcheckout")
        run("cd #{path} && git hg fetch", 255)
      end
    end
  end
end