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#!/usr/bin/env ruby
#
# Generously contributed by Markus Doits
# https://github.com/doits
# (c) 2014 MIT license
#
require "rubygems"
class Hbc
def installed_version?
!installed_version.nil?
end
def installed_version
# returns latest installed version if possible
Pathname.glob(caskroom_path.join("*")).map(&:basename).sort do |x, y|
Gem::Version.new(x) <=> Gem::Version.new(y) # throws exception if invalid version is provided ...
end.last
rescue
nil
# ... return nil in this case
end
def update_available?
Gem::Version.correct?(version) && # we have something to compare against in Cask file ...
installed_version? && # ... we can determine current installed version ...
Gem::Version.new(installed_version) < Gem::Version.new(version) # ... compare
end
end
module Hbc::Scopes
module ClassMethods
def upgradable
Hbc.installed.select(&:update_available?)
end
end
end
upgradable_casks = Hbc.upgradable
puts upgradable_casks.empty? && "No outdated packages" || upgradable_casks
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