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-rw-r--r--guix/packages.scm8
1 files changed, 5 insertions, 3 deletions
diff --git a/guix/packages.scm b/guix/packages.scm
index 5ecb97f946..d925e754a3 100644
--- a/guix/packages.scm
+++ b/guix/packages.scm
@@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2014, 2015, 2017, 2018 Mark H Weaver <mhw@netris.org>
;;; Copyright © 2015 Eric Bavier <bavier@member.fsf.org>
;;; Copyright © 2016 Alex Kost <alezost@gmail.com>
@@ -637,8 +637,10 @@ specifies modules in scope when evaluating SNIPPET."
(apply invoke
(string-append #+tar "/bin/tar")
"cvfa" #$output
- ;; avoid non-determinism in the archive
- "--mtime=@0"
+ ;; Avoid non-determinism in the archive. Set the mtime
+ ;; to 1 as is the case in the store (software like gzip
+ ;; behaves differently when it stumbles upon mtime = 0).
+ "--mtime=@1"
"--owner=root:0"
"--group=root:0"
(if tar-supports-sort?