forked from mirrors/akkoma
64 lines
1.5 KiB
Elixir
64 lines
1.5 KiB
Elixir
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defmodule Pleroma.OTPVersion do
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@type check_status() :: :undefined | {:error, String.t()} | :ok
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require Logger
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@spec check_version() :: check_status()
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def check_version do
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# OTP Version https://erlang.org/doc/system_principles/versions.html#otp-version
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paths = [
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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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:tesla
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|> Application.get_env(:adapter)
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|> get_and_check_version(paths)
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end
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@spec get_and_check_version(module(), [Path.t()]) :: check_status()
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def get_and_check_version(Tesla.Adapter.Gun, paths) do
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paths
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|> check_files()
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|> check_version()
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end
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def get_and_check_version(_, _), do: :ok
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defp check_files([]), do: nil
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defp check_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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check_files(paths)
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end
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end
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defp check_version(nil), do: :undefined
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defp check_version(version) do
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try do
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version = String.replace(version, ~r/\r|\n|\s/, "")
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formatted =
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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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with [major, minor] when length(formatted) == 2 <- formatted,
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true <- (major == 22 and minor >= 2) or major > 22 do
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:ok
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else
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false -> {:error, version}
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_ -> :undefined
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end
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rescue
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_ -> :undefined
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catch
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_ -> :undefined
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end
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end
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end
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