Add SOURCE_TAG to show source repository's tag (#10698)

diff --git a/lib/mastodon/version.rb b/lib/mastodon/version.rb
index fecfe8e709326c051b1549d83ce2595a7c132de0..127c5104856e5c10126f5b8cc48272974113d7d8 100644 (file)
--- 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