From f995e1fcded007c2dca60a8322173754e89cf064 Mon Sep 17 00:00:00 2001
From: eksperimental <eksperimental@users.noreply.github.com>
Date: Mon, 22 May 2017 04:40:21 +0700
Subject: [PATCH] Set default config :version

---
 lib/ex_doc.ex         | 3 ++-
 lib/mix/tasks/docs.ex | 2 +-
 test/ex_doc_test.exs  | 3 +++
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/lib/ex_doc.ex b/lib/ex_doc.ex
index 1311186f1..0dd7da0af 100644
--- a/lib/ex_doc.ex
+++ b/lib/ex_doc.ex
@@ -16,6 +16,7 @@ defmodule ExDoc do
       :output => "./doc",
       :retriever => ExDoc.Retriever,
       :source_ref => "master",
+      :version => "dev",
     }
 
     @spec default(atom) :: term
@@ -45,7 +46,7 @@ defmodule ExDoc do
       source_url: nil,
       source_url_pattern: nil,
       title: nil,
-      version: nil
+      version: @default.version
     ]
 
      @type t :: %__MODULE__{
diff --git a/lib/mix/tasks/docs.ex b/lib/mix/tasks/docs.ex
index f36dcab7c..d34e6d42c 100644
--- a/lib/mix/tasks/docs.ex
+++ b/lib/mix/tasks/docs.ex
@@ -122,7 +122,7 @@ defmodule Mix.Tasks.Docs do
     end
 
     project = to_string(config[:name] || config[:app])
-    version = config[:version] || "dev"
+    version = config[:version] || ExDoc.Config.default(:version)
     options =
       config
       |> get_docs_opts()
diff --git a/test/ex_doc_test.exs b/test/ex_doc_test.exs
index 7839d65d2..c97bd5aa6 100644
--- a/test/ex_doc_test.exs
+++ b/test/ex_doc_test.exs
@@ -64,6 +64,9 @@ defmodule ExDocTest do
 
     assert Map.get(%ExDoc.Config{}, :source_ref) == "master"
     assert ExDoc.Config.default(:source_ref) == "master"
+
+    assert Map.get(%ExDoc.Config{}, :version) == "dev"
+    assert ExDoc.Config.default(:version) == "dev"
   end
 
   test "version" do