rollback.ex
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	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-onl

	defmodule Mix.Tasks.Pleroma.Ecto.Rollback do
	use Mix.Task
	import Mix.Pleroma
	require Logger
	@shortdoc "Wrapper on `ecto.rollback` task"

	@aliases [
	n: :step,
	v: :to
	]

	@switches [
	all: :boolean,
	step: :integer,
	to: :integer,
	start: :boolean,
	quiet: :boolean,
	log_sql: :boolean,
	migrations_path: :string
	]

	@moduledoc """
	Changes `Logger` level to `:info` before start rollback.
	Changes level back when rollback ends.

	## Start rollback

	mix pleroma.ecto.rollback

	Options:
	- see https://hexdocs.pm/ecto/2.0.0/Mix.Tasks.Ecto.Rollback.html
	"""

	@impl true
	def run(args \\ []) do
	load_pleroma()
	{opts, _} = OptionParser.parse!(args, strict: @switches, aliases: @aliases)

	if Application.get_env(:pleroma, Pleroma.Repo)[:ssl] do
	Application.ensure_all_started(:ssl)
	end

	opts =
	if opts[:to] \|\| opts[:step] \|\| opts[:all],
	do: opts,
	else: Keyword.put(opts, :step, 1)

	opts =
	if opts[:quiet],
	do: Keyword.merge(opts, log: false, log_sql: false),
	else: opts

	path = Mix.Tasks.Pleroma.Ecto.ensure_migrations_path(Pleroma.Repo, opts)

	level = Logger.level()
	Logger.configure(level: :info)

	if Pleroma.Config.get(:env) == :test do
	Logger.info("Rollback succesfully")
	else
	{:ok, _, _} =
	Ecto.Migrator.with_repo(Pleroma.Repo, &Ecto.Migrator.run(&1, path, :down, opts))
	end

	Logger.configure(level: level)
	end
	end