brew/Library/Homebrew/requirements/x11_requirement.rb
2016-09-17 16:14:13 +01:00

48 lines
1.0 KiB
Ruby

require "requirement"
class X11Requirement < Requirement
include Comparable
attr_reader :min_version
fatal true
cask "xquartz"
download "https://xquartz.macosforge.org"
env { ENV.x11 }
def initialize(name = "x11", tags = [])
@name = name
if /(\d\.)+\d/ =~ tags.first
@min_version = Version.create(tags.shift)
@min_version_string = " #{@min_version}"
else
@min_version = Version.create("0.0.0")
@min_version_string = ""
end
super(tags)
end
satisfy build_env: false do
MacOS::XQuartz.installed? && min_version <= Version.create(MacOS::XQuartz.version)
end
def message
s = "XQuartz#{@min_version_string} is required to install this formula."
s += super
s
end
def <=>(other)
return unless other.is_a? X11Requirement
min_version <=> other.min_version
end
def eql?(other)
super && min_version == other.min_version
end
def inspect
"#<#{self.class.name}: #{name.inspect} #{tags.inspect} min_version=#{min_version}>"
end
end