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require 'formula'
require 'keg'
module Homebrew extend self
def outdated
outdated_brews do |f, versions|
if ($stdout.tty? || ARGV.verbose?) and not ARGV.flag? '--quiet'
puts "#{f.name} (#{versions*', '} < #{f.pkg_version})"
else
puts f.name
end
end
end
def outdated_brews
Formula.installed.map do |f|
versions = f.rack.subdirs.map { |d| Keg.new(d).version }.sort!
if versions.all? { |version| f.pkg_version > version }
yield f, versions if block_given?
f
end
end.compact
end
end
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