Fallback to load version file in ruby core repository

hsbt · hsbt · commit df75adf81a0f · 2020-02-20T21:37:56.000+09:00
diff --git a/net-imap.gemspec b/net-imap.gemspec
@@ -1,4 +1,8 @@
-require_relative 'lib/net/imap/version'
+begin
+  require_relative 'lib/net/imap/version'
+rescue LoadError # Fallback to load version file in ruby core repository
+  require_relative "version"
+end
 
 Gem::Specification.new do |spec|
   spec.name          = "net-imap"
