https://git.ruby-lang.org/ruby.git/commit/?id=615f79be3c

From 615f79be3cef210c26b967f06979ed464bf9e178 Mon Sep 17 00:00:00 2001
From: Loic Nageleisen <loic.nageleisen@g...>
Date: Tue, 24 Nov 2020 13:52:13 +0100
Subject: [rubygems/rubygems] Test platform's version-ness consistently

The symmetry with the "for command line" case is made more apparent.

https://github.com/rubygems/rubygems/commit/ab85d3558f
---
 lib/rubygems/platform.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/rubygems/platform.rb b/lib/rubygems/platform.rb
index ed3571dbff..0c0520e1db 100644
--- a/lib/rubygems/platform.rb
+++ b/lib/rubygems/platform.rb
@@ -70,7 +70,7 @@ class Gem::Platform https://github.com/ruby/ruby/blob/trunk/lib/rubygems/platform.rb#L70
     when String then
       arch = arch.split "-"
 
-      if arch.length > 2 && arch.last !~ (/\d/) # reassemble x86-linux-gnu
+      if arch.length > 2 && arch.last !~ /\d+(\.\d+)?$/ # reassemble x86-linux-{libc}
         extra = arch.pop
         arch.last << "-#{extra}"
       end
-- 
cgit v1.2.1


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