From 3c48ef60ad8fa76075e0fc72bd0dba7f09366915 Mon Sep 17 00:00:00 2001
From: Maxime Devos <maximedevos@telenet.be>
Date: Sat, 3 Sep 2022 14:08:24 +0200
Subject: gnu: hashcat: Don't embed timestamp, fixing reproducibility.
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* gnu/packages/password-utils.scm (hashcat)[arguments]{#:phases}:
Remove timestamp, fixing reproducibility.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
---
 gnu/packages/password-utils.scm | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'gnu/packages/password-utils.scm')

diff --git a/gnu/packages/password-utils.scm b/gnu/packages/password-utils.scm
index e8c3feaeba..1228c42297 100644
--- a/gnu/packages/password-utils.scm
+++ b/gnu/packages/password-utils.scm
@@ -35,6 +35,7 @@
 ;;; Copyright © 2020 Hartmut Goebel <h.goebel@crazy-compilers.com>
 ;;; Copyright © 2021 David Dashyan <mail@davie.li>
 ;;; Copyright © 2022 Maxim Cournoyer <maxim.cournoyer@gmail.com>
+;;; Copyright © 2022 Maxime Devos <maximedevos@telenet.be>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -1126,6 +1127,11 @@ (define-public hashcat
      '(#:tests? #f ;no tests
        #:make-flags (list (string-append "PREFIX=" %output))
        #:phases (modify-phases %standard-phases
+                  ;; Don't embed timestamps, for bit-for-bit reproducibility.
+                  (add-after 'unpack 'fix-reproducibility
+                    (lambda _
+                      (substitute* "src/Makefile"
+                        (("\\$\\(shell date \\+%s\\)") "0"))))
                   (delete 'configure))))
     (home-page "https://hashcat.net/hashcat/")
     (synopsis "Advanced password recovery utility")
-- 
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