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lib/tzdata/release_parser.ex

defmodule Tzdata.ReleaseParser do
@moduledoc false
# The purpose of this module is to get release version information. E.g. "2014i".
@file_with_release_version "source_data/RELEASE_LINE_FROM_NEWS"
release_string = @file_with_release_version
|> File.stream!
|> Enum.to_list |> hd
|> String.rstrip
captured = Regex.named_captures( ~r/Release[\s]+(?<version>[^\s]+)[\s]+-[\s]+(?<timestamp>.+)/, release_string)
# provide release version e.g. "2014i"
def tzdata_version, do: unquote(Macro.escape(captured["version"]))
end