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Abstractions for managing infrastructural components.

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formation lib formation aws bucket difference.ex
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lib/formation/aws/bucket/difference.ex 

defmodule Formation.Aws.Bucket.Difference do

  def check(operations, operation_name, existing, new)

      when is_binary(new) and is_list(operations) do

    with {:ok, new} <- Jason.decode(new),

         true <- :erlang.phash2(existing) != :erlang.phash2(new) do

      Enum.concat(operations, [%{operation_name => new}])

    else

      _ -> operations

    end

  end

end