From d155b41eb051f05bb172fa8fddcd0a04a6bcff3f Mon Sep 17 00:00:00 2001
From: Benoit Daloze <eregontp@gmail.com>
Date: Fri, 15 Jun 2018 19:29:38 +0200
Subject: [PATCH] Ensure extracted tarball matches the package name

---
 bin/ruby-build | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/bin/ruby-build b/bin/ruby-build
index f8c2e425fe..53a96531de 100755
--- a/bin/ruby-build
+++ b/bin/ruby-build
@@ -381,7 +381,10 @@ fetch_tarball() {
     download_tarball "$package_url" "$package_filename" "$checksum"
   fi
 
-  { if tar $tar_args "$package_filename"; then
+  mkdir "$package_name"
+
+  { if tar $tar_args "$package_filename" -C "$package_name" --strip-components=1; then
+  ls >&2
       if [ -z "$KEEP_BUILD_PATH" ]; then
         rm -f "$package_filename"
       else