50 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			50 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| require 'formula'
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| 
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| module Homebrew extend self
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|   def deps
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|     if ARGV.include? '--installed'
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|       puts_deps Formula.installed
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|     elsif ARGV.include? '--all'
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|       puts_deps Formula
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|     elsif ARGV.include? '--tree'
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|       raise FormulaUnspecifiedError if ARGV.named.empty?
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|       puts_deps_tree ARGV.formulae
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|     else
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|       raise FormulaUnspecifiedError if ARGV.named.empty?
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|       all_deps = ARGV.formulae.map do |f|
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|         ARGV.one? ? f.deps.default : f.recursive_dependencies
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|       end.intersection.map(&:name)
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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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| 
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|   def puts_deps(formulae)
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|     formulae.each { |f| puts "#{f.name}: #{f.deps*' '}" }
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|   end
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| 
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|   def puts_deps_tree(formulae)
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|     formulae.each do |f|
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|       puts f.name
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|       recursive_deps_tree(f, 1)
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|       puts
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|     end
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|   end
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| 
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|   def recursive_deps_tree f, level
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|     f.deps.default.each do |dep|
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|       puts "|  "*(level-1)+"|- "+dep.to_s
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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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| end
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| 
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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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