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01/05: maint: Use reproducible timestamps and name for tarball.


From: guix-commits
Subject: 01/05: maint: Use reproducible timestamps and name for tarball.
Date: Tue, 2 Apr 2024 17:37:37 -0400 (EDT)

janneke pushed a commit to branch wip-tarball
in repository guix.

commit 17f7fb2bed973486e145ab71b172c4be2442580b
Author: Jan Nieuwenhuizen <janneke@gnu.org>
AuthorDate: Thu Feb 27 18:38:29 2020 +0100

    maint: Use reproducible timestamps and name for tarball.
    
    * Makefile.am (gen-tarball-version): Add reproducible timestamp to tarball.
    (am__tar): New variable, use it instead of EPOCH.  Add mode.
    (GZIP_ENV): New variable.
    
    Change-Id: Iea5c2f80eaf24b2f2d80e651c73c348231de8d63
---
 Makefile.am | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/Makefile.am b/Makefile.am
index 1c5688ac13..b58c793ffe 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -7,7 +7,7 @@
 # Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
 # Copyright © 2017 Leo Famulari <leo@famulari.name>
 # Copyright © 2017 Ricardo Wurmus <rekado@elephly.net>
-# Copyright © 2017, 2020, 2023 Janneke Nieuwenhuizen <janneke@gnu.org>
+# Copyright © 2017, 2020, 2023, 2024 Janneke Nieuwenhuizen <janneke@gnu.org>
 # Copyright © 2017 Arun Isaac <arunisaac@systemreboot.net>
 # Copyright © 2018 Nikita <nikita@n0.is>
 # Copyright © 2018 Julien Lepiller <julien@lepiller.eu>
@@ -970,6 +970,7 @@ $(top_srcdir)/.version: config.status
 
 gen-tarball-version:
        echo $(VERSION) > "$(distdir)/.tarball-version"
+       git show HEAD --format=%ct --no-patch > $(distdir)/.tarball-timestamp
 
 gen-ChangeLog:
        $(AM_V_GEN)if test -d .git; then                \
@@ -1002,6 +1003,17 @@ dist-with-updated-version:
 # Release management.
 #
 
+# Reproducible tarball
+GZIP_ENV = --no-name
+# Be friendly to Debian; avoid using EPOCH
+am__tar = $${TAR-tar}                          \
+ --sort=name                                   \
+ --mode=go=rX,u+rw,a-s                         \
+ --mtime=@$$(cat "$$tardir"/.tarball-timestamp)        \
+ --owner=0 --group=0 --numeric-owner           \
+ -cf - \
+ "$$tardir"
+
 releasedir = release-$(PACKAGE_VERSION)
 
 PACKAGE_FULL_TARNAME = $(PACKAGE_TARNAME)-$(PACKAGE_VERSION)



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