Subiendo api v2

deps/ecto_sql/lib/mix/tasks/ecto.migrations.ex

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+defmodule Mix.Tasks.Ecto.Migrations do
+  use Mix.Task
+  import Mix.Ecto
+  import Mix.EctoSQL
+
+  @shortdoc "Displays the repository migration status"
+
+  @aliases [
+    r: :repo
+  ]
+
+  @switches [
+    repo: [:keep, :string],
+    no_compile: :boolean,
+    no_deps_check: :boolean,
+    migrations_path: :keep,
+    prefix: :string
+  ]
+
+  @moduledoc """
+  Displays the up / down migration status for the given repository.
+
+  The repository must be set under `:ecto_repos` in the
+  current app configuration or given via the `-r` option.
+
+  By default, migrations are expected at "priv/YOUR_REPO/migrations"
+  directory of the current application but it can be configured
+  by specifying the `:priv` key under the repository configuration.
+
+  If the repository has not been started yet, one will be
+  started outside our application supervision tree and shutdown
+  afterwards.
+
+  ## Examples
+
+      $ mix ecto.migrations
+      $ mix ecto.migrations -r Custom.Repo
+
+  ## Command line options
+
+    * `--migrations-path` - the path to load the migrations from, defaults to
+      `"priv/repo/migrations"`. This option may be given multiple times in which
+      case the migrations are loaded from all the given directories and sorted as
+      if they were in the same one.
+
+      Note, if you have previously run migrations from paths `a/` and `b/`, and now
+      run `mix ecto.migrations --migrations-path a/` (omitting path `b/`), the
+      migrations from the path `b/` will be shown in the output as `** FILE NOT FOUND **`.
+
+    * `--no-compile` - does not compile applications before running
+
+    * `--no-deps-check` - does not check dependencies before running
+
+    * `--prefix` - the prefix to check migrations on
+
+    * `-r`, `--repo` - the repo to obtain the status for
+
+  """
+
+  @impl true
+  def run(args, migrations \\ &Ecto.Migrator.migrations/3, puts \\ &IO.puts/1) do
+    repos = parse_repo(args)
+    {opts, _} = OptionParser.parse!(args, strict: @switches, aliases: @aliases)
+
+    for repo <- repos do
+      ensure_repo(repo, args)
+      paths = ensure_migrations_paths(repo, opts)
+
+      case Ecto.Migrator.with_repo(repo, &migrations.(&1, paths, opts), mode: :temporary) do
+        {:ok, repo_status, _} ->
+          puts.(
+            """
+
+            Repo: #{inspect(repo)}
+
+              Status    Migration ID    Migration Name
+            --------------------------------------------------
+            """ <>
+              Enum.map_join(repo_status, "\n", fn {status, number, description} ->
+                "  #{format(status, 10)}#{format(number, 16)}#{description}"
+              end) <> "\n"
+          )
+
+        {:error, error} ->
+          Mix.raise("Could not start repo #{inspect(repo)}, error: #{inspect(error)}")
+      end
+    end
+
+    :ok
+  end
+
+  defp format(content, pad) do
+    content
+    |> to_string
+    |> String.pad_trailing(pad)
+  end
+end