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diff --git a/lib/mix/pleroma.ex b/lib/mix/pleroma.ex
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+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Mix.Pleroma do
+  @doc "Common functions to be reused in mix tasks"
+  def start_pleroma do
+    Application.put_env(:phoenix, :serve_endpoints, false, persistent: true)
+    {:ok, _} = Application.ensure_all_started(:pleroma)
+  end
+
+  def get_option(options, opt, prompt, defval \\ nil, defname \\ nil) do
+    Keyword.get(options, opt) || shell_prompt(prompt, defval, defname)
+  end
+
+  def shell_prompt(prompt, defval \\ nil, defname \\ nil) do
+    prompt_message = "#{prompt} [#{defname || defval}] "
+
+    input =
+      if mix_shell?(),
+        do: Mix.shell().prompt(prompt_message),
+        else: :io.get_line(prompt_message)
+
+    case input do
+      "\n" ->
+        case defval do
+          nil ->
+            shell_prompt(prompt, defval, defname)
+
+          defval ->
+            defval
+        end
+
+      input ->
+        String.trim(input)
+    end
+  end
+
+  def shell_yes?(message) do
+    if mix_shell?(),
+      do: Mix.shell().yes?("Continue?"),
+      else: shell_prompt(message, "Continue?") in ~w(Yn Y y)
+  end
+
+  def shell_info(message) do
+    if mix_shell?(),
+      do: Mix.shell().info(message),
+      else: IO.puts(message)
+  end
+
+  def shell_error(message) do
+    if mix_shell?(),
+      do: Mix.shell().error(message),
+      else: IO.puts(:stderr, message)
+  end
+
+  @doc "Performs a safe check whether `Mix.shell/0` is available (does not raise if Mix is not loaded)"
+  def mix_shell?, do: :erlang.function_exported(Mix, :shell, 0)
+
+  def escape_sh_path(path) do
+    ~S(') <> String.replace(path, ~S('), ~S(\')) <> ~S(')
+  end
+end