Update lib/outdoor/release.ex

lib/outdoor/release.ex

@@ -1,8 +1,8 @@
 defmodule Outdoor.Release do
-  @moduledoc """
+  @moduledoc '''
   Used for executing DB release tasks when run in production without Mix
   installed.
-  """
+  '''
   @app :outdoor
 
   def migrate do
@@ -18,11 +18,20 @@ defmodule Outdoor.Release do
     {:ok, _, _} = Ecto.Migrator.with_repo(repo, &Ecto.Migrator.run(&1, :down, to: version))
   end
 
+  def generate_tag do
+    {message, 0} = System.cmd("git", ["log", "-1", "--pretty=%B"])
+    System.cmd("git", ["tag", String.trim(message)])
+  end
+
+  def push_tags do
+    System.cmd("git", ["push", "--tags"])
+  end
+
   defp repos do
     Application.fetch_env!(@app, :ecto_repos)
   end
 
   defp load_app do
     Application.load(@app)
   end
-end
+end