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require 'formula'
module Homebrew extend self
def deps
if ARGV.include? '--all'
Formula.each do |f|
# TODO add a space after the colon??
puts "#{f.name}:#{f.deps*' '}"
end
else
func = if ARGV.one? then :deps else :recursive_deps end
puts ARGV.formulae.map(&func).intersection.sort
end
end
end
class Array
def intersection
a = []
each{ |b| a |= b }
each{ |c| a &= c }
a
end
end
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