brew/Library/Homebrew/pkg_version.rb
2017-09-24 21:23:59 +01:00

44 lines
734 B
Ruby

require "version"
class PkgVersion
include Comparable
RX = /\A(.+?)(?:_(\d+))?\z/
attr_reader :version, :revision
def self.parse(path)
_, version, revision = *path.match(RX)
version = Version.create(version)
new(version, revision.to_i)
end
def initialize(version, revision)
@version = version
@revision = revision
end
def head?
version.head?
end
def to_s
if revision.positive?
"#{version}_#{revision}"
else
version.to_s
end
end
alias to_str to_s
def <=>(other)
return unless other.is_a?(PkgVersion)
(version <=> other.version).nonzero? || revision <=> other.revision
end
alias eql? ==
def hash
version.hash ^ revision.hash
end
end