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Diffstat (limited to 'lib/pleroma/otp_version.ex')
-rw-r--r-- | lib/pleroma/otp_version.ex | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/lib/pleroma/otp_version.ex b/lib/pleroma/otp_version.ex new file mode 100644 index 000000000..114d0054f --- /dev/null +++ b/lib/pleroma/otp_version.ex @@ -0,0 +1,28 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2020 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 |