Remove a .pkg (package) and its contents from MacOS X.

remove.rb

require 'fileutils'

package = ARGV.shift

info = `pkgutil --pkg-info #{package}`.split("\n")

exit if info.empty?

files = `pkgutil --files #{package}`.split("\n")

volume = nil
location = nil
directory = nil


info.each do |line|
  /^volume: (.*)/.match(line) do |m|
    volume = m[1]
  end
  /^location: (.*)/.match(line) do |m|
    location = m[1]
  end
end

directory = File.join(volume, location)

Dir.chdir(directory) do
  FileUtils.rm_rf(files)
  files.each do |file|
    puts "File still exists: #{file}" if File.exists?(file)
  end
end

`pkgutil --forget #{package}`