40 lines
		
	
	
		
			945 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			40 lines
		
	
	
		
			945 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| require 'keg'
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| 
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| module Homebrew extend self
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|   # $n and $d are used by the ObserverPathnameExtension to keep track of
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|   # certain filesystem actions.
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| 
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|   def prune
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|     $n = 0
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|     $d = 0
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|     dirs = []
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| 
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|     Keg::PRUNEABLE_DIRECTORIES.each do |dir|
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|       next unless dir.directory?
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|       dir.find do |path|
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|         path.extend ObserverPathnameExtension
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|         if path.symlink?
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|           unless path.resolved_path_exists?
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|             if ENV['HOMEBREW_KEEP_INFO'] and path.to_s =~ Keg::INFOFILE_RX
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|               path.uninstall_info
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|             end
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|             path.unlink
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|           end
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|         elsif path.directory?
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|           dirs << path
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|         end
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|       end
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|     end
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| 
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|     dirs.sort.reverse_each{ |d| d.rmdir_if_possible }
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| 
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|     if $n == 0 and $d == 0
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|       puts "Nothing pruned" if ARGV.verbose?
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|     else
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|       print "Pruned #{$n} symbolic links "
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|       print "and #{$d} directories " if $d > 0
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|       puts  "from #{HOMEBREW_PREFIX}"
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|     end
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|   end
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| end
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