Fallback to load version file in ruby core repository

hsbt · hsbt · commit 6e9081ba9a8c · 2018-08-07T18:09:10.000+09:00
diff --git a/webrick.gemspec b/webrick.gemspec
@@ -1,5 +1,9 @@
 # frozen_string_literal: true
-require_relative 'lib/webrick/version'
+begin
+  require_relative 'lib/webrick/version'
+rescue LoadError
+  require_relative 'version'
+end
 
 Gem::Specification.new do |s|
   s.name = "webrick"
