https://git.ruby-lang.org/ruby.git/commit/?id=d8221a54f2

From d8221a54f2c5729573ddb03cb51d638ae74cc876 Mon Sep 17 00:00:00 2001
From: Kazuhiro NISHIYAMA <zn@m...>
Date: Mon, 23 Sep 2019 00:55:48 +0900
Subject: Add `-mtc=off` to `7z` not to store NTFS timestamps

https://sevenzip.osdn.jp/chm/cmdline/switches/method.htm

diff --git a/tool/make-snapshot b/tool/make-snapshot
index 6e9b837..2abe8f9 100755
--- a/tool/make-snapshot
+++ b/tool/make-snapshot
@@ -54,7 +54,7 @@ PACKAGES = { https://github.com/ruby/ruby/blob/trunk/tool/make-snapshot#L54
 DEFAULT_PACKAGES = PACKAGES.keys - ["tar"]
 if !$no7z and system("7z", out: IO::NULL)
   PACKAGES["gzip"] = %w".tar.gz 7z a dummy -tgzip -mx -so"
-  PACKAGES["zip"]  = %w".zip    7z a -tzip  -mx" << {out: IO::NULL}
+  PACKAGES["zip"]  = %w".zip    7z a -tzip  -mx -mtc=off" << {out: IO::NULL}
 elsif gzip = ENV.delete("GZIP")
   PACKAGES["gzip"].concat(gzip.shellsplit)
 end
-- 
cgit v0.10.2


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