https://git.ruby-lang.org/ruby.git/commit/?id=91f831ac17

From 91f831ac17c8ff58d536ce1fa320294bb477d2ae Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Mon, 7 Dec 2020 23:47:37 +0900
Subject: Extract gemspec to versioned file

Not to be overwritten by test-bundler-prepare.  gem files often
contain useless gemspec files which have not been processed.

diff --git a/tool/gem-unpack.rb b/tool/gem-unpack.rb
index 0ddcea0..6fb80d3 100644
--- a/tool/gem-unpack.rb
+++ b/tool/gem-unpack.rb
@@ -10,7 +10,7 @@ def Gem.unpack(file, dir = nil) https://github.com/ruby/ruby/blob/trunk/tool/gem-unpack.rb#L10
   target = spec.full_name
   target = File.join(dir, target) if dir
   pkg.extract_files target
-  spec_file = File.join(target, "#{spec.name}.gemspec")
+  spec_file = File.join(target, "#{spec.name}-#{spec.version}.gemspec")
   open(spec_file, 'wb') do |f|
     f.print spec.to_ruby
   end
diff --git a/tool/rbinstall.rb b/tool/rbinstall.rb
index b1f657a..ed883f6 100755
--- a/tool/rbinstall.rb
+++ b/tool/rbinstall.rb
@@ -965,9 +965,14 @@ install?(:ext, :comm, :gem, :'bundled-gems') do https://github.com/ruby/ruby/blob/trunk/tool/rbinstall.rb#L965
     next if /^\s*(?:#|$)/ =~ name
     next unless /^(\S+)\s+(\S+).*/ =~ name
     gem_name = "#$1-#$2"
-    path = "#{srcdir}/.bundle/gems/#{gem_name}/#$1.gemspec"
-    next unless File.exist?(path)
-    spec = load_gemspec(path, true)
+    path = "#{srcdir}/.bundle/gems/#{gem_name}/#{gem_name}.gemspec"
+    if File.exist?(path)
+      spec = load_gemspec(path)
+    else
+      path = "#{srcdir}/.bundle/gems/#{gem_name}/#$1.gemspec"
+      next unless File.exist?(path)
+      spec = load_gemspec(path, true)
+    end
     next unless spec.platform == Gem::Platform::RUBY
     next unless spec.full_name == gem_name
     spec.extension_dir = "#{extensions_dir}/#{spec.full_name}"
-- 
cgit v0.10.2


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