From a5abcc8f27757e2075c31e546b2de32717cbc215 Mon Sep 17 00:00:00 2001
From: Ravern Koh <ravernkoh@gmail.com>
Date: Mon, 29 Jul 2019 20:35:20 +0800
Subject: [PATCH] Fix warning on build in Elixir 1.9

---
 lib/gollum/cache.ex | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/gollum/cache.ex b/lib/gollum/cache.ex
index b2a09e2..7057858 100644
--- a/lib/gollum/cache.ex
+++ b/lib/gollum/cache.ex
@@ -22,6 +22,10 @@ defmodule Gollum.Cache do
   @force        false
   @fetcher      Gollum.Fetcher
 
+  def init(init_arg) do
+    {:ok, init_arg}
+  end
+
   @doc """
   Starts up the cache.