https://git.ruby-lang.org/ruby.git/commit/?id=3e12b65861

From 3e12b658613a534f11a50b4a415c7c3e165bcfd1 Mon Sep 17 00:00:00 2001
From: Hiroshi SHIBATA <hsbt@r...>
Date: Thu, 20 Feb 2020 21:32:27 +0900
Subject: Fallback to load version file in ruby core repository


diff --git a/lib/net/imap/net-imap.gemspec b/lib/net/imap/net-imap.gemspec
index bd4e450..201a794 100644
--- a/lib/net/imap/net-imap.gemspec
+++ b/lib/net/imap/net-imap.gemspec
@@ -1,4 +1,8 @@ https://github.com/ruby/ruby/blob/trunk/lib/net/imap/net-imap.gemspec#L1
-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"
-- 
cgit v0.10.2


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