47 lines
1.0 KiB
Ruby
47 lines
1.0 KiB
Ruby
require "version"
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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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: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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:mountain_lion => "10.8",
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:lion => "10.7",
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:snow_leopard => "10.6",
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:leopard => "10.5",
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:tiger => "10.4"
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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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def initialize(*args)
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super
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@comparison_cache = {}
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end
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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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def to_sym
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SYMBOLS.invert.fetch(@version) { :dunno }
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end
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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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end
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end
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end
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