58 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			58 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| # frozen_string_literal: true
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| 
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| require "version"
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| 
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| module OS
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|   module Mac
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|     class Version < ::Version
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|       SYMBOLS = {
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|         catalina:    "10.15",
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|         mojave:      "10.14",
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|         high_sierra: "10.13",
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|         sierra:      "10.12",
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|         el_capitan:  "10.11",
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|         yosemite:    "10.10",
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|         mavericks:   "10.9",
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|       }.freeze
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| 
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|       def self.from_symbol(sym)
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|         str = SYMBOLS.fetch(sym) do
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|           raise ArgumentError, "unknown version #{sym.inspect}"
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|         end
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|         new(str)
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|       end
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| 
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|       def initialize(*args)
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|         super
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|         @comparison_cache = {}
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|       end
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| 
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|       def <=>(other)
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|         @comparison_cache.fetch(other) do
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|           v = SYMBOLS.fetch(other) { other.to_s }
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|           @comparison_cache[other] = super(Version.new(v))
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|         end
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|       end
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| 
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|       def to_sym
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|         SYMBOLS.invert.fetch(@version) { :dunno }
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|       end
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| 
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|       def pretty_name
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|         to_sym.to_s.split("_").map(&:capitalize).join(" ")
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|       end
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| 
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|       # For OS::Mac::Version compatibility
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|       def requires_nehalem_cpu?
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|         Hardware.oldest_cpu(self) == :nehalem
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|       end
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|       # https://en.wikipedia.org/wiki/Nehalem_(microarchitecture)
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|       # Ensure any extra methods are also added to version/null.rb
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|       alias requires_sse4? requires_nehalem_cpu?
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|       alias requires_sse41? requires_nehalem_cpu?
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|       alias requires_sse42? requires_nehalem_cpu?
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|       alias requires_popcnt? requires_nehalem_cpu?
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|     end
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|   end
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| end
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