From c6fa3fe8b416a41c698188269c3f587c3ad107d1 Mon Sep 17 00:00:00 2001
From: Markus Reiter <me@reitermark.us>
Date: Thu, 19 Jul 2018 12:45:35 +0200
Subject: [PATCH] Add test for basename in `#extract_nestedly`.

---
 Library/Homebrew/test/unpack_strategy_spec.rb | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/Library/Homebrew/test/unpack_strategy_spec.rb b/Library/Homebrew/test/unpack_strategy_spec.rb
index 1eb9dc3b52..a55c0cdb0b 100644
--- a/Library/Homebrew/test/unpack_strategy_spec.rb
+++ b/Library/Homebrew/test/unpack_strategy_spec.rb
@@ -56,6 +56,23 @@ describe UnpackStrategy do
         expect(Pathname.glob(unpack_dir/"**/*")).to include unpack_dir/directories
       end
     end
+
+    context "when extracting a nested archive" do
+      let(:basename) { "file.xyz" }
+      let(:path) {
+        (mktmpdir/basename).tap do |path|
+          mktmpdir do |dir|
+            FileUtils.touch dir/"file.txt"
+            system "tar", "-c", "-f", path, "-C", dir, "file.txt"
+          end
+        end
+      }
+
+      it "does not pass down the basename of the archive" do
+        strategy.extract_nestedly(to: unpack_dir)
+        expect(unpack_dir/"file.txt").to be_a_file
+      end
+    end
   end
 end