From 669f5f489e051df1d1f8a2092d9130c5a87c2fa8 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Fri, 29 Dec 2023 21:17:06 +0900
Subject: [PATCH] Add RUBYLIB to load fake etc.rb

---
 .github/workflows/test.yml | 3 +++
 Rakefile                   | 1 +
 lib/etc.rb                 | 2 ++
 3 files changed, 6 insertions(+)
 create mode 100644 lib/etc.rb

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 0ad99ac..c716ab8 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -23,5 +23,8 @@ jobs:
         ruby-version: ${{ matrix.ruby }}
         rubygems: ${{ matrix.ruby < '2.7' && '3.4.22' || '' }}
         bundler-cache: true
+    - name: Add RUBYLIB to load fake etc.rb
+      run:
+        echo RUBYLIB=%CD:\=/%/lib >> $GITHUB_ENV
     - name: Run test
       run: bundle exec rake compile test
diff --git a/Rakefile b/Rakefile
index 18a7e4e..bead40b 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,6 +1,7 @@
 require "bundler/gem_tasks"
 require "rake/testtask"
 require "rdoc/task"
+require "etc"
 
 name = "etc"
 
diff --git a/lib/etc.rb b/lib/etc.rb
new file mode 100644
index 0000000..0310738
--- /dev/null
+++ b/lib/etc.rb
@@ -0,0 +1,2 @@
+$:.delete(__dir__)
+raise LoadError, "etc"