29 lines
757 B
Ruby
29 lines
757 B
Ruby
require 'formula'
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# `brew uses foo bar` now returns formula that use both foo and bar
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# Rationale: If you want the union just run the command twice and
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# concatenate the results.
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# The intersection is harder to achieve with shell tools.
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module Homebrew extend self
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def uses
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raise FormulaUnspecifiedError if ARGV.named.empty?
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uses = Formula.select do |f|
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ARGV.formulae.all? do |ff|
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if ARGV.flag? '--recursive'
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f.recursive_dependencies.any? { |dep| dep.name == ff.name }
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else
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f.deps.any? { |dep| dep.name == ff.name }
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end
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end
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end
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if ARGV.include? "--installed"
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uses = uses.select { |f| Formula.installed.include? f }
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end
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puts_columns uses.map(&:to_s).sort
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end
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end
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