module ShaAttribute extend ActiveSupport::Concern module ClassMethods def sha_attribute(name) return if ENV['STATIC_VERIFICATION'] validate_binary_column_exists!(name) unless Rails.env.production? attribute(name, Gitlab::Database::ShaAttribute.new) end # This only gets executed in non-production environments as an additional check to ensure # the column is the correct type. In production it should behave like any other attribute. # See https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/5502 for more discussion def validate_binary_column_exists!(name) unless table_exists? warn "WARNING: sha_attribute #{name.inspect} is invalid since the table doesn't exist - you may need to run database migrations" return end column = columns.find { |c| c.name == name.to_s } unless column warn "WARNING: sha_attribute #{name.inspect} is invalid since the column doesn't exist - you may need to run database migrations" return end unless column.type == :binary raise ArgumentError.new("sha_attribute #{name.inspect} is invalid since the column type is not :binary") end rescue => error Gitlab::AppLogger.error "ShaAttribute initialization: #{error.message}" raise end end end