+ case :os.find_executable(String.to_charlist(command)) do
+ false -> false
+ _ -> true
+ end
+ end
+
+ @doc "creates the uniq temporary directory"
+ @spec tmp_dir(String.t()) :: {:ok, String.t()} | {:error, :file.posix()}
+ def tmp_dir(prefix \\ "") do
+ sub_dir =
+ [
+ prefix,
+ Timex.to_unix(Timex.now()),
+ :os.getpid(),
+ String.downcase(Integer.to_string(:rand.uniform(0x100000000), 36))
+ ]
+ |> Enum.join("-")
+
+ tmp_dir = Path.join(System.tmp_dir!(), sub_dir)
+
+ case File.mkdir(tmp_dir) do
+ :ok -> {:ok, tmp_dir}
+ error -> error
+ end
+ end
+
+ @spec posix_error_message(atom()) :: binary()
+ def posix_error_message(code) when code in @posix_error_codes do
+ error_message = Gettext.dgettext(Pleroma.Web.Gettext, "posix_errors", "#{code}")
+ "(POSIX error: #{error_message})"
+ end
+
+ def posix_error_message(_), do: ""
+
+ @doc """
+ Returns [timeout: integer] suitable for passing as an option to Repo functions.
+
+ This function detects if the execution was triggered from IEx shell, Mix task, or
+ ./bin/pleroma_ctl and sets the timeout to :infinity, else returns the default timeout value.
+ """
+ @spec query_timeout() :: [timeout: integer]
+ def query_timeout do
+ {parent, _, _, _} = Process.info(self(), :current_stacktrace) |> elem(1) |> Enum.fetch!(2)
+
+ cond do
+ parent |> to_string |> String.starts_with?("Elixir.Mix.Task") -> [timeout: :infinity]
+ parent == :erl_eval -> [timeout: :infinity]
+ true -> [timeout: @repo_timeout]
+ end