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