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version.rb
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version.rb
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# frozen_string_literal: true
require "hardware"
require "version"
module OS
module Mac
class Version < ::Version
SYMBOLS = {
big_sur: Hardware::CPU.arm? ? "11.00" : "10.16",
catalina: "10.15",
mojave: "10.14",
high_sierra: "10.13",
sierra: "10.12",
el_capitan: "10.11",
yosemite: "10.10",
}.freeze
def self.from_symbol(sym)
str = SYMBOLS.fetch(sym) { raise MacOSVersionError, sym }
new(str)
end
def initialize(*args)
super
@comparison_cache = {}
end
def <=>(other)
@comparison_cache.fetch(other) do
v = SYMBOLS.fetch(other) { other.to_s }
@comparison_cache[other] = super(Version.new(v))
end
end
def to_sym
SYMBOLS.invert.fetch(@version, :dunno)
end
def pretty_name
to_sym.to_s.split("_").map(&:capitalize).join(" ")
end
# For OS::Mac::Version compatibility
def requires_nehalem_cpu?
Hardware.oldest_cpu(self) == :nehalem
end
# https://en.wikipedia.org/wiki/Nehalem_(microarchitecture)
# Ensure any extra methods are also added to version/null.rb
alias requires_sse4? requires_nehalem_cpu?
alias requires_sse41? requires_nehalem_cpu?
alias requires_sse42? requires_nehalem_cpu?
alias requires_popcnt? requires_nehalem_cpu?
end
end
end