46 lines
1011 B
Ruby
46 lines
1011 B
Ruby
require 'version'
|
|
|
|
module OS
|
|
module Mac
|
|
class Version < ::Version
|
|
SYMBOLS = {
|
|
:el_capitan => '10.11',
|
|
:yosemite => '10.10',
|
|
:mavericks => '10.9',
|
|
:mountain_lion => '10.8',
|
|
:lion => '10.7',
|
|
:snow_leopard => '10.6',
|
|
:leopard => '10.5',
|
|
:tiger => '10.4',
|
|
}
|
|
|
|
def self.from_symbol(sym)
|
|
str = SYMBOLS.fetch(sym) do
|
|
raise ArgumentError, "unknown version #{sym.inspect}"
|
|
end
|
|
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
|
|
end
|
|
end
|
|
end
|