From d0ad90df6863490a5f780c45e060ab859db228ba Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?V=C3=ADt=20Ondruch?= <vondruch@redhat.com>
Date: Mon, 23 Oct 2023 17:13:33 +0200
Subject: [rubygems/rubygems] Check for `:install_dir` precedence over
 `:user_install`

https://github.com/rubygems/rubygems/commit/6539da07aa
---
 test/rubygems/test_gem_installer.rb | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/test/rubygems/test_gem_installer.rb b/test/rubygems/test_gem_installer.rb
index 155e9f6ff4..a00814370f 100644
--- a/test/rubygems/test_gem_installer.rb
+++ b/test/rubygems/test_gem_installer.rb
@@ -995,6 +995,19 @@ end
     assert_equal @tempdir, installer.bin_dir
   end
 
+  def test_install_dir_takes_precedence_to_user_install
+    gemhome2 = "#{@gemhome}2"
+
+    @gem = setup_base_gem
+
+    installer =
+      Gem::Installer.at @gem, :install_dir => gemhome2, :user_install => true
+    installer.install
+
+    assert_path_exist File.join(gemhome2, "gems", @spec.full_name)
+    assert_path_not_exist File.join(Gem.user_dir, "gems", @spec.full_name)
+  end
+
   def test_install
     installer = util_setup_installer
 
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