discourse/lib/version.rb

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# frozen_string_literal: true
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module Discourse
VERSION_REGEXP ||= /\A\d+\.\d+\.\d+(\.beta\d+)?\z/
VERSION_COMPATIBILITY_FILENAME ||= ".discourse-compatibility"
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# work around reloader
unless defined?(::Discourse::VERSION)
module VERSION #:nodoc:
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MAJOR = 3
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MINOR = 1
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TINY = 0
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PRE = "beta6"
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STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".")
end
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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.present?
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
return if checkout_version.nil?
begin
Discourse::Utils.execute_command "git",
"check-ref-format",
"--allow-onelevel",
checkout_version
rescue RuntimeError
raise InvalidVersionListError, "Invalid ref name: #{checkout_version}"
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