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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Mix.Pleroma do
   6   @doc "Common functions to be reused in mix tasks"
   7   def start_pleroma do
   8     Application.put_env(:phoenix, :serve_endpoints, false, persistent: true)
   9     {:ok, _} = Application.ensure_all_started(:pleroma)
  10   end
  11
  12   def load_pleroma do
  13     Application.load(:pleroma)
  14   end
  15
  16   def get_option(options, opt, prompt, defval \\ nil, defname \\ nil) do
  17     Keyword.get(options, opt) || shell_prompt(prompt, defval, defname)
  18   end
  19
  20   def shell_prompt(prompt, defval \\ nil, defname \\ nil) do
  21     prompt_message = "#{prompt} [#{defname || defval}] "
  22
  23     input =
  24       if mix_shell?(),
  25         do: Mix.shell().prompt(prompt_message),
  26         else: :io.get_line(prompt_message)
  27
  28     case input do
  29       "\n" ->
  30         case defval do
  31           nil ->
  32             shell_prompt(prompt, defval, defname)
  33
  34           defval ->
  35             defval
  36         end
  37
  38       input ->
  39         String.trim(input)
  40     end
  41   end
  42
  43   def shell_yes?(message) do
  44     if mix_shell?(),
  45       do: Mix.shell().yes?("Continue?"),
  46       else: shell_prompt(message, "Continue?") in ~w(Yn Y y)
  47   end
  48
  49   def shell_info(message) do
  50     if mix_shell?(),
  51       do: Mix.shell().info(message),
  52       else: IO.puts(message)
  53   end
  54
  55   def shell_error(message) do
  56     if mix_shell?(),
  57       do: Mix.shell().error(message),
  58       else: IO.puts(:stderr, message)
  59   end
  60
  61   @doc "Performs a safe check whether `Mix.shell/0` is available (does not raise if Mix is not loaded)"
  62   def mix_shell?, do: :erlang.function_exported(Mix, :shell, 0)
  63
  64   def escape_sh_path(path) do
  65     ~S(') <> String.replace(path, ~S('), ~S(\')) <> ~S(')
  66   end
  67 end