lib/serverspec/type/package.rb
module Serverspec::Type
class Package < Base
def installed?(provider=nil, version=nil)
if provider.nil?
@inspection = Specinfra.command.get(:check_package_is_installed, @name, version)
@runner.check_package_is_installed(@name, version)
else
check_method = "check_package_is_installed_by_#{provider}".to_sym
@runner.send(check_method, @name, version)
end
end
def version
ret = @runner.get_package_version(@name).stdout.strip
if ret.empty?
nil
else
Version.new(ret)
end
end
class Version
include Comparable
attr_reader :epoch, :version
def initialize(val)
matches = val.match(/^(?:(\d+):)?(\d[0-9a-zA-Z.+:~_-]*)$/)
if matches.nil?
raise ArgumentError, "Malformed version number string #{val}"
end
@epoch = matches[1].to_i
@version = matches[2].to_s
end
def <=>(other)
other = Version.new(other) if other.is_a?(String)
rv = @epoch <=> other.epoch
return rv if rv != 0
self.ver_array <=> other.ver_array
end
def ver_array
val = @version
re = /^(?:(\d+)|(\D+))(.*)$/
res = []
until val.empty?
matches = val.match(re)
if matches[1].nil?
# String
matches[2].to_s.each_byte do |b|
code_point = defined?("~".ord) ? "~".ord : ?~
res << ((b == code_point) ? -2 : b)
end
else
# Digits
res << matches[1].to_i
end
val = matches[3].to_s
end
res << -1
end
end
end
end