https://git.ruby-lang.org/ruby.git/commit/?id=b0a7221dcf

From b0a7221dcf998d72efe57cd7ab75260d80941109 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Tue, 3 Sep 2019 11:43:38 +0900
Subject: Touch the toplevel directory too


diff --git a/tool/make-snapshot b/tool/make-snapshot
index b6cd606..2476df5 100755
--- a/tool/make-snapshot
+++ b/tool/make-snapshot
@@ -486,8 +486,11 @@ after-update:: https://github.com/ruby/ruby/blob/trunk/tool/make-snapshot#L486
     else
       FileUtils.rm_rf("gems")
     end
-    touch_all(modified, "**/*/", 0) do |name, stat|
-      stat.mtime > modified
+    if modified
+      touch_all(modified, "**/*/", 0) do |name, stat|
+        stat.mtime > modified
+      end
+      File.utime(modified, modified, ".")
     end
     unless $?.success?
       puts $colorize.fail(" failed")
-- 
cgit v0.10.2


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