mirror of
https://git.pleroma.social/pleroma/pleroma.git
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54 lines
1.3 KiB
Elixir
54 lines
1.3 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.OTPVersion do
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@type check_status() :: :ok | :undefined | {:error, String.t()}
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@spec check() :: check_status()
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def check do
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# OTP Version https://erlang.org/doc/system_principles/versions.html#otp-version
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[
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Path.join(:code.root_dir(), "OTP_VERSION"),
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Path.join([:code.root_dir(), "releases", :erlang.system_info(:otp_release), "OTP_VERSION"])
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]
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|> get_version_from_files()
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|> do_check()
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end
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@spec check([Path.t()]) :: check_status()
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def check(paths) do
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paths
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|> get_version_from_files()
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|> do_check()
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end
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defp get_version_from_files([]), do: nil
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defp get_version_from_files([path | paths]) do
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if File.exists?(path) do
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File.read!(path)
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else
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get_version_from_files(paths)
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end
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end
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defp do_check(nil), do: :undefined
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defp do_check(version) do
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version = String.replace(version, ~r/\r|\n|\s/, "")
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[major, minor] =
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version
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|> String.split(".")
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|> Enum.map(&String.to_integer/1)
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|> Enum.take(2)
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if (major == 22 and minor >= 2) or major > 22 do
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:ok
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else
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{:error, version}
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end
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end
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end
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