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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-onl
   4
   5 defmodule Mix.Tasks.Pleroma.Ecto.Rollback do
   6   use Mix.Task
   7   import Mix.Pleroma
   8   require Logger
   9   @shortdoc "Wrapper on `ecto.rollback` task"
  10
  11   @aliases [
  12     n: :step,
  13     v: :to
  14   ]
  15
  16   @switches [
  17     all: :boolean,
  18     step: :integer,
  19     to: :integer,
  20     start: :boolean,
  21     quiet: :boolean,
  22     log_sql: :boolean,
  23     migrations_path: :string
  24   ]
  25
  26   @moduledoc """
  27   Changes `Logger` level to `:info` before start rollback.
  28   Changes level back when rollback ends.
  29
  30   ## Start rollback
  31
  32       mix pleroma.ecto.rollback
  33
  34   Options:
  35     - see https://hexdocs.pm/ecto/2.0.0/Mix.Tasks.Ecto.Rollback.html
  36   """
  37
  38   @impl true
  39   def run(args \\ []) do
  40     load_pleroma()
  41     {opts, _} = OptionParser.parse!(args, strict: @switches, aliases: @aliases)
  42
  43     opts =
  44       if opts[:to] || opts[:step] || opts[:all],
  45         do: opts,
  46         else: Keyword.put(opts, :step, 1)
  47
  48     opts =
  49       if opts[:quiet],
  50         do: Keyword.merge(opts, log: false, log_sql: false),
  51         else: opts
  52
  53     path = Mix.Tasks.Pleroma.Ecto.ensure_migrations_path(Pleroma.Repo, opts)
  54
  55     level = Logger.level()
  56     Logger.configure(level: :info)
  57
  58     if Pleroma.Config.get(:env) == :test do
  59       Logger.info("Rollback succesfully")
  60     else
  61       {:ok, _, _} =
  62         Ecto.Migrator.with_repo(Pleroma.Repo, &Ecto.Migrator.run(&1, path, :down, opts))
  63     end
  64
  65     Logger.configure(level: level)
  66   end
  67 end