update

phoenix/deps/ecto/lib/mix/tasks/ecto.ex

@@ -0,0 +1,30 @@
+defmodule Mix.Tasks.Ecto do
+  use Mix.Task
+
+  @shortdoc "Prints Ecto help information"
+
+  @moduledoc """
+  Prints Ecto tasks and their information.
+
+      $ mix ecto
+
+  """
+
+  @impl true
+  def run(args) do
+    {_opts, args} = OptionParser.parse!(args, strict: [])
+
+    case args do
+      [] -> general()
+      _ -> Mix.raise "Invalid arguments, expected: mix ecto"
+    end
+  end
+
+  defp general() do
+    Application.ensure_all_started(:ecto)
+    Mix.shell().info "Ecto v#{Application.spec(:ecto, :vsn)}"
+    Mix.shell().info "A toolkit for data mapping and language integrated query for Elixir."
+    Mix.shell().info "\nAvailable tasks:\n"
+    Mix.Tasks.Help.run(["--search", "ecto."])
+  end
+end