https://git.ruby-lang.org/ruby.git/commit/?id=b8a8fdba63

From b8a8fdba637589ff17f98cee4ea955667e3f0b1b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?V=C3=ADt=20Ondruch?= <vondruch@r...>
Date: Mon, 14 Oct 2019 18:28:37 +0200
Subject: Properly detect mode for binaries.

.gemspec files specifies not just `bin`, but also other directories.

diff --git a/tool/rbinstall.rb b/tool/rbinstall.rb
index b6e75f9..5423920 100755
--- a/tool/rbinstall.rb
+++ b/tool/rbinstall.rb
@@ -721,7 +721,7 @@ module RbInstall https://github.com/ruby/ruby/blob/trunk/tool/rbinstall.rb#L721
     def extract_files(destination_dir, pattern = "*")
       return if @src_dir == destination_dir
       File.chmod(0700, destination_dir)
-      mode = pattern == "bin/*" ? prog_mode : data_mode
+      mode = pattern == File.join(spec.bindir, '*') ? prog_mode : data_mode
       spec.files.each do |f|
         src = File.join(@src_dir, f)
         dest = File.join(without_destdir(destination_dir), f)
-- 
cgit v0.10.2


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