20 lines
386 B
Ruby
20 lines
386 B
Ruby
|
require 'requirement'
|
||
|
|
|
||
|
|
class MaximumMacOSRequirement < Requirement
|
||
|
|
fatal true
|
||
|
|
|
||
|
|
def initialize(tags)
|
||
|
|
@version = MacOS::Version.from_symbol(tags.first)
|
||
|
|
super
|
||
|
|
end
|
||
|
|
|
||
|
|
satisfy { MacOS.version <= @version }
|
||
|
|
|
||
|
|
def message
|
||
|
|
<<-EOS.undent
|
||
|
|
OS X #{@version.pretty_name} or older is required for stable.
|
||
|
|
Use `brew install devel or --HEAD` for newer.
|
||
|
|
EOS
|
||
|
|
end
|
||
|
|
end
|