From 56880fa76afa167aaca028faa3c3267b6521e0bc Mon Sep 17 00:00:00 2001
From: Ushitora Anqou <ushitora@anqou.net>
Date: Sun, 5 May 2019 00:39:17 +0900
Subject: [PATCH] Add SOURCE_TAG to show source repository's tag (#10698)

---
 lib/mastodon/version.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/mastodon/version.rb b/lib/mastodon/version.rb
index fecfe8e70..127c51048 100644
--- a/lib/mastodon/version.rb
+++ b/lib/mastodon/version.rb
@@ -42,7 +42,7 @@ module Mastodon
 
     # specify git tag or commit hash here
     def source_tag
-      nil
+      ENV.fetch('SOURCE_TAG') { nil }
     end
 
     def source_url