103 lines
3.1 KiB
Ruby
103 lines
3.1 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module Ci
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class Config
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module External
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class Mapper
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include Gitlab::Utils::StrongMemoize
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MAX_INCLUDES = 100
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FILE_CLASSES = [
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External::File::Remote,
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External::File::Template,
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External::File::Local,
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External::File::Project,
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External::File::Artifact
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].freeze
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Error = Class.new(StandardError)
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AmbigiousSpecificationError = Class.new(Error)
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DuplicateIncludesError = Class.new(Error)
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TooManyIncludesError = Class.new(Error)
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def initialize(values, context)
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@locations = Array.wrap(values.fetch(:include, []))
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@context = context
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end
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def process
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return [] if locations.empty?
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locations
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.compact
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.map(&method(:normalize_location))
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.flat_map(&method(:expand_project_files))
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.each(&method(:verify_duplicates!))
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.map(&method(:select_first_matching))
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end
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private
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attr_reader :locations, :context
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delegate :expandset, to: :context
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# convert location if String to canonical form
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def normalize_location(location)
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if location.is_a?(String)
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normalize_location_string(location)
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else
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location.deep_symbolize_keys
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end
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end
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def expand_project_files(location)
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return location unless ::Feature.enabled?(:ci_include_multiple_files_from_project, context.project, default_enabled: true)
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return location unless location[:project]
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Array.wrap(location[:file]).map do |file|
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location.merge(file: file)
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end
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end
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def normalize_location_string(location)
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if ::Gitlab::UrlSanitizer.valid?(location)
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{ remote: location }
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else
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{ local: location }
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end
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end
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def verify_duplicates!(location)
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if expandset.count >= MAX_INCLUDES
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raise TooManyIncludesError, "Maximum of #{MAX_INCLUDES} nested includes are allowed!"
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end
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# We scope location to context, as this allows us to properly support
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# relative includes, and similarly looking relative in another project
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# does not trigger duplicate error
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scoped_location = location.merge(
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context_project: context.project,
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context_sha: context.sha)
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unless expandset.add?(scoped_location)
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raise DuplicateIncludesError, "Include `#{location.to_json}` was already included!"
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end
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end
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def select_first_matching(location)
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matching = FILE_CLASSES.map do |file_class|
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file_class.new(location, context)
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end.select(&:matching?)
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raise AmbigiousSpecificationError, "Include `#{location.to_json}` needs to match exactly one accessor!" unless matching.one?
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matching.first
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end
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end
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end
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end
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end
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end
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