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path: root/lib/gitlab/ci/config/external/file/local.rb
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# frozen_string_literal: true

module Gitlab
  module Ci
    class Config
      module External
        module File
          class Local < Base
            include Gitlab::Utils::StrongMemoize

            attr_reader :project, :sha

            def initialize(location, opts = {})
              @project = opts.fetch(:project)
              @sha = opts.fetch(:sha)

              super
            end

            def content
              strong_memoize(:content) { fetch_local_content }
            end

            private

            def validate_content!
              if content.nil?
                errors.push("Local file `#{location}` does not exist!")
              elsif content.blank?
                errors.push("Local file `#{location}` is empty!")
              end
            end

            def fetch_local_content
              project.repository.blob_data_at(sha, location)
            end
          end
        end
      end
    end
  end
end