# frozen_string_literal: true module Discourse VERSION_REGEXP ||= /\A\d+\.\d+\.\d+(\.beta\d+)?\z/ VERSION_COMPATIBILITY_FILENAME ||= ".discourse-compatibility" # work around reloader unless defined? ::Discourse::VERSION module VERSION #:nodoc: MAJOR = 2 MINOR = 6 TINY = 0 PRE = 'beta5' STRING = [MAJOR, MINOR, TINY, PRE].compact.join('.') end end class InvalidVersionListError < StandardError; end def self.has_needed_version?(current, needed) Gem::Version.new(current) >= Gem::Version.new(needed) end # lookup an external resource (theme/plugin)'s best compatible version # compatible resource files are YAML, in the format: # `discourse_version: plugin/theme git reference.` For example: # 2.5.0.beta6: c4a6c17 # 2.5.0.beta4: d1d2d3f # 2.5.0.beta2: bbffee # 2.4.4.beta6: some-other-branch-ref # 2.4.2.beta1: v1-tag def self.find_compatible_resource(version_list, version = ::Discourse::VERSION::STRING) return unless version_list begin version_list = YAML.safe_load(version_list) rescue Psych::SyntaxError, Psych::DisallowedClass => e end raise InvalidVersionListError unless version_list.is_a?(Hash) version_list = version_list.sort_by { |v, pin| Gem::Version.new(v) }.reverse # If plugin compat version is listed as less than current Discourse version, take the version/hash listed before. checkout_version = nil version_list.each do |core_compat, target| if Gem::Version.new(core_compat) == Gem::Version.new(version) # Exact version match - return it checkout_version = target break elsif Gem::Version.new(core_compat) < Gem::Version.new(version) # Core is on a higher version than listed, use a later version break end checkout_version = target end checkout_version end # Find a compatible resource from a git repo def self.find_compatible_git_resource(path) return unless File.directory?("#{path}/.git") compat_resource, std_error, s = Open3.capture3("git -C '#{path}' show HEAD@{upstream}:#{Discourse::VERSION_COMPATIBILITY_FILENAME}") Discourse.find_compatible_resource(compat_resource) if s.success? rescue InvalidVersionListError => e $stderr.puts "Invalid version list in #{path}" end end