linux-kernel - [PATCH 1/7] builddeb: Pass -n to gzip for reproducible packages

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Date:   Mon, 21 Sep 2020 00:25:50 +0200
From:   Guillem Jover <guillem@...rons.org>
To:     linux-kbuild@...r.kernel.org,
        Masahiro Yamada <masahiroy@...nel.org>,
        Michal Marek <michal.lkml@...kovi.net>
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH 1/7] builddeb: Pass -n to gzip for reproducible packages

We should not be encoding the timestamp, otherwise we end up generating
unreproducible files that cascade into unreproducible packages.

Signed-off-by: Guillem Jover <guillem@...rons.org>
---
 scripts/package/builddeb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/package/builddeb b/scripts/package/builddeb
index 6df3c9f8b2da..b14abbe5afbb 100755
--- a/scripts/package/builddeb
+++ b/scripts/package/builddeb
@@ -31,7 +31,7 @@ create_package() {
 	mkdir -p "$pdir/usr/share/doc/$pname"
 	cp debian/copyright "$pdir/usr/share/doc/$pname/"
 	cp debian/changelog "$pdir/usr/share/doc/$pname/changelog.Debian"
-	gzip -9 "$pdir/usr/share/doc/$pname/changelog.Debian"
+	gzip -n -9 "$pdir/usr/share/doc/$pname/changelog.Debian"
 	sh -c "cd '$pdir'; find . -type f ! -path './DEBIAN/*' -printf '%P\0' \
 		| xargs -r0 md5sum > DEBIAN/md5sums"
 
-- 
2.28.0.297.g1956fa8f8d