From 964cdd57fa037fec4917ac76725b0a65d47483bc Mon Sep 17 00:00:00 2001
From: Vagrant Cascadian <vagrant@debian.org>
Date: Sun, 5 Jun 2022 20:28:33 -0700
Subject: gnu: discrover: Use reproducible timestamps.

* gnu/packages/bioinformatics.scm (discrover)[arguments]: Add
  'set-force-source-date phase.
---
 gnu/packages/bioinformatics.scm | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/gnu/packages/bioinformatics.scm b/gnu/packages/bioinformatics.scm
index 931eea7022..c53a2920ac 100644
--- a/gnu/packages/bioinformatics.scm
+++ b/gnu/packages/bioinformatics.scm
@@ -3145,6 +3145,11 @@ data and settings.")
      `(#:tests? #f                      ; there are no tests
        #:phases
        (modify-phases %standard-phases
+         (add-before 'build 'set-force-source-date
+           ;; for reproducible dates, texlive needs this to respect respect
+           ;; SOURCE_DATE_EPOCH
+           (lambda _
+             (setenv "FORCE_SOURCE_DATE" "1")))
          (add-after 'unpack 'fix-latex-errors
            (lambda _
              (with-fluids ((%default-port-encoding #f))
-- 
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