40 lines
852 B
Ruby
40 lines
852 B
Ruby
require 'formula'
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def recursive_deps_tree f, level
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f.deps.each do |dep|
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puts "> "*level+dep
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recursive_deps_tree(Formula.factory(dep), level+1)
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end
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end
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module Homebrew extend self
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def deps
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if ARGV.include? '--all'
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Formula.each do |f|
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puts "#{f.name}: #{f.deps*' '}"
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end
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elsif ARGV.include? '--tree'
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raise FormulaUnspecifiedError if ARGV.named.empty?
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ARGV.formulae.each do |f|
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puts f
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recursive_deps_tree(f, 1)
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puts
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end
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else
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raise FormulaUnspecifiedError if ARGV.named.empty?
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all_deps = ARGV.formulae.map{ |f| ARGV.one? ? f.deps : f.recursive_deps }.intersection
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all_deps.sort! unless ARGV.include? "-n"
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puts all_deps
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end
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end
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end
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class Array
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def intersection
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a = []
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each{ |b| a |= b }
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each{ |c| a &= c }
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a
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end
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end
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