45 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			45 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| module Utils
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|   def self.popen_read(*args, **options, &block)
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|     popen(args, "rb", options, &block)
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|   end
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| 
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|   def self.safe_popen_read(*args, **options, &block)
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|     output = popen_read(*args, **options, &block)
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|     return output if $CHILD_STATUS.success?
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| 
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|     raise ErrorDuringExecution.new(args, status: $CHILD_STATUS, output: [[:stdout, output]])
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|   end
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| 
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|   def self.popen_write(*args, **options, &block)
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|     popen(args, "wb", options, &block)
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|   end
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| 
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|   def self.safe_popen_write(*args, **options, &block)
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|     output = popen_write(*args, **options, &block)
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|     return output if $CHILD_STATUS.success?
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| 
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|     raise ErrorDuringExecution.new(args, status: $CHILD_STATUS, output: [[:stdout, output]])
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|   end
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| 
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|   def self.popen(args, mode, options = {})
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|     IO.popen("-", mode) do |pipe|
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|       if pipe
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|         return pipe.read unless block_given?
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| 
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|         yield pipe
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|       else
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|         options[:err] ||= :close unless ENV["HOMEBREW_STDERR"]
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|         begin
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|           exec(*args, options)
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|         rescue Errno::ENOENT
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|           $stderr.puts "brew: command not found: #{args[0]}" unless options[:err] == :close
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|           exit! 127
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|         rescue SystemCallError
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|           $stderr.puts "brew: exec failed: #{args[0]}" unless options[:err] == :close
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|           exit! 1
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|         end
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|       end
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|     end
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|   end
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| end
 | 
