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akkoma/lib/pleroma/otp_version.ex

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Elixir

# Pleroma: A lightweight social networking server
# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.OTPVersion do
@spec version() :: String.t() | nil
def version do
# OTP Version https://erlang.org/doc/system_principles/versions.html#otp-version
[
Path.join(:code.root_dir(), "OTP_VERSION"),
Path.join([:code.root_dir(), "releases", :erlang.system_info(:otp_release), "OTP_VERSION"])
]
|> get_version_from_files()
end
@spec get_version_from_files([Path.t()]) :: String.t() | nil
def get_version_from_files([]), do: nil
def get_version_from_files([path | paths]) do
if File.exists?(path) do
path
|> File.read!()
|> String.replace(~r/\r|\n|\s/, "")
else
get_version_from_files(paths)
end
end
end